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Patent #:
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Issue Dt:
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02/06/1990
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Application #:
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07190644
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Filing Dt:
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05/05/1988
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Title:
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FINE ACCESS METHOD AND CIRCUIT FOR AN OPTICAL DISK DRIVE USING A MULTI-TRACK JUMP
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Patent #:
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Issue Dt:
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12/31/1991
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Application #:
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07235496
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Filing Dt:
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08/24/1988
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Title:
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OPTICAL DISK ACCESS SYSTEM
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Patent #:
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Issue Dt:
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12/04/1990
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Application #:
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07236915
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Filing Dt:
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08/26/1988
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Title:
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TRACK SERVO CONTROL SYSTEM FOR OPTICAL DISK APPARATUS
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Patent #:
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Issue Dt:
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01/15/1991
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Application #:
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07299018
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Filing Dt:
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01/19/1989
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Title:
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TRACK ACCESS CONTROL SYSTEM FOR DISK SYSTEM, HAVING ECCENTRICITY CORRECTION MEANS WITH SIMPLE CIRCUIT CONFIGURATION
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Patent #:
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Issue Dt:
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01/08/1991
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Application #:
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07333288
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Filing Dt:
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04/05/1989
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Title:
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COMPATIBLE OPTICAL DISK
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Patent #:
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Issue Dt:
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08/25/1992
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Application #:
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07372523
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Filing Dt:
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06/28/1989
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Title:
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SYSTEM FOR OBTAINING OPTIMUM FOCUSING POSITION IN OPTICAL DISC SYSTEM
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Patent #:
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Issue Dt:
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09/01/1992
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Application #:
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07381321
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Filing Dt:
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07/18/1989
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Title:
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OPTICAL DISC MEDIUM
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Patent #:
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Issue Dt:
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05/25/1993
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Application #:
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07476512
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Filing Dt:
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02/07/1990
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Title:
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OPTICAL DISK HAVING READ-EXCLUSIVE AND WRITE-ENABLE REGIONS
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Patent #:
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Issue Dt:
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09/22/1992
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Application #:
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07488147
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Filing Dt:
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03/05/1990
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Title:
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BEAM TRACK POSITION CONTROL APPARATUS FOR OPTICAL DISK APPARATUS
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Patent #:
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Issue Dt:
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04/13/1993
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Application #:
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07488250
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Filing Dt:
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03/05/1990
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Title:
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TRACK ACCESS CONTROL APPARATUS FOR OPTICAL DISK APPARATUS
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Patent #:
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Issue Dt:
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07/13/1993
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Application #:
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07506908
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Filing Dt:
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04/10/1990
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Title:
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METHOD AND APPARATUS FOR MEASURING SPEED OF MOVEMENT DURING BEAM TRACK MOVEMENT IN OPTICAL MEMORY APPARATUS
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Patent #:
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Issue Dt:
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11/10/1992
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Application #:
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07507672
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Filing Dt:
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04/10/1990
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Title:
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TRACK ACCESS CONTROL SYSTEM IN ROTATING DISC DEVICES WITH ECCENTRICITY CORRECTION
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Patent #:
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Issue Dt:
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12/29/1992
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Application #:
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07563763
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Filing Dt:
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08/07/1990
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Title:
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POWER SUPPLY CIRCUIT FOR STABILIZING POWER INPUT TO A LASER DIODE
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Patent #:
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Issue Dt:
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02/23/1993
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Application #:
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07568874
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Filing Dt:
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08/17/1990
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Title:
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OPTICAL DISK DEVICE ELIMINATING OFFSET OF ACTUATOR AND OFFSET ELIMINATING METHOD USED THEREBY
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Patent #:
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Issue Dt:
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02/04/1992
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Application #:
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07575847
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Filing Dt:
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08/31/1990
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Title:
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AN OPTICAL DISK APPARATUS FOR CONTROLLING SECOND OPTICAL BEAM BASED ON BIAS INFORMATION
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Patent #:
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Issue Dt:
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07/16/1991
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Application #:
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07589557
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Filing Dt:
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09/28/1990
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Title:
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TRACK ACCESS CONTROL CIRCUIT OF OPTICAL DISK UNIT
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Patent #:
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Issue Dt:
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01/26/1993
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Application #:
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07593904
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Filing Dt:
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10/03/1990
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Title:
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DECELERATION CONTROL SYSTEM FOR POSITIONING AN OPTICAL HEAD IN AN OPTICAL DISK UNIT
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Patent #:
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Issue Dt:
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03/16/1993
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Application #:
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07604780
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Filing Dt:
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10/26/1990
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Title:
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TRACK ACCESS CONTROL SYSTEM FOR A DISK STORAGE SYSTEM
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Patent #:
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Issue Dt:
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11/02/1993
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Application #:
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07702021
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Filing Dt:
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05/17/1991
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Title:
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POSITIONER SEEK CONTROL SYSTEM OF A DISK APPARATUS AND METHOD FOR SCANNING A BEAM ACROSS A MEDIUM
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Patent #:
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Issue Dt:
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08/31/1993
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Application #:
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07720693
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Filing Dt:
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06/25/1991
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Title:
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OPTICAL DISK APPARATUS USING TRANSITION CONTROL BETWEEN POSITIONER SEEK CONTROL AND LENS SEEK CONTROL
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Patent #:
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Issue Dt:
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02/22/1994
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Application #:
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07846122
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Filing Dt:
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03/04/1992
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Title:
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TRACK CROSS SIGNAL GENERATION CIRCUIT OF OPTICAL DISK DEVICE FOR CORRECTLY OUTPUTTING TRACK CROSS SIGNAL AND CORRECTLY AND STABLY CARRYING OUT SEEK OPERATION EVEN WITHIN HIGH-SPEED REGION OF BEAM
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Patent #:
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Issue Dt:
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07/05/1994
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Application #:
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07953188
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Filing Dt:
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09/29/1992
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Title:
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WRITE CONTROL METHOD AND APPARATUS FOR WRITING OPTICAL DISK DATA
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Patent #:
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Issue Dt:
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09/27/1994
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Application #:
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07957521
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Filing Dt:
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10/06/1992
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Title:
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A DISK STORRAGE APPARATUS INCLUDING A SINGLE POWER SUPPLY HYSTERESIS COMPARATOR HAVING A SYMMETRICAL CHARACTERISTIC
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Patent #:
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Issue Dt:
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09/13/1994
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Application #:
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08004865
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Filing Dt:
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01/19/1993
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Title:
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OPTICAL MEDIUM RECORDING METHOD AND APPARATUS EMPLOYING PULSE WIDTH DELAY AND/OR ADVANCEMENT
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Patent #:
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Issue Dt:
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04/25/1995
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Application #:
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08017391
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Filing Dt:
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02/12/1993
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Title:
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SERVO TRACKING CIRCUIT OF AN OPTICALLY WRITABLE/READABLE/ERASABLE DISK
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Patent #:
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Issue Dt:
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02/21/1995
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Application #:
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08023366
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Filing Dt:
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02/26/1993
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Title:
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OPTICAL STORAGE DRIVE CONTROLLER WITH PREDETERMINED LIGHT SOURCE DRIVE VALUES STORED IN NON-VOLATILE MEMORY
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Patent #:
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Issue Dt:
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03/28/1995
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Application #:
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08025637
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Filing Dt:
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03/02/1993
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Title:
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CONTSTANT AMPLITUDE OF TRACKING ERROR SIGNALS GENERATED FROM A HEAD GUIDE TRACK AND A PERFORMED TRACK
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Patent #:
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Issue Dt:
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07/11/1995
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Application #:
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08084982
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Filing Dt:
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07/02/1993
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Title:
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HEAD POSITIONER HAVING PIVOTABLE MEMBERS
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Patent #:
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Issue Dt:
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01/10/1995
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Application #:
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08093641
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Filing Dt:
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07/20/1993
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Title:
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MAGNETO-OPTICAL RECORDING METHOD AND APPARATUS FOR RECORDING INFORMATION ON A MAGNETO-OPTICAL RECORDING MEDIA
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Patent #:
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Issue Dt:
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06/06/1995
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Application #:
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08111551
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Filing Dt:
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08/25/1993
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Title:
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ACCESS CONTROL CIRCUIT FOR USE IN OPTICAL DISK UNIT
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Patent #:
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Issue Dt:
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06/06/1995
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Application #:
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08121640
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Filing Dt:
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09/16/1993
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Title:
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METHOD AND APPARATUS FOR PRODUCING AN OPTICAL DISK HAVING A READ-ONLY AREA AND A REWRITABLE AREA
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Patent #:
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Issue Dt:
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08/20/1996
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Application #:
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08252332
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Filing Dt:
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06/01/1994
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Title:
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OPTICAL RECORDING MEDIUM AND DATA REPRODUCING APPARATUS FOR REPRODUCING DATA FROM SUCH OPTICAL RECORDING MEDIUM
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Patent #:
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Issue Dt:
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02/27/1996
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Application #:
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08276863
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Filing Dt:
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07/06/1994
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Title:
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OPTICAL DISK APPARATUS FOR DETECTING ERROR READING OF A TRACK ADDRESS IN MCAV FORMAT
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Patent #:
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Issue Dt:
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01/28/1997
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Application #:
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08289231
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Filing Dt:
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08/11/1994
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Title:
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DATA REPRODUCTION SYSTEM SYNCHRONIZED BY RECORDING DATA
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Patent #:
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Issue Dt:
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12/05/1995
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Application #:
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08311445
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Filing Dt:
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09/23/1994
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Title:
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TRACK RETRIEVAL SYSTEM FOR OPTICAL DISK
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Patent #:
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Issue Dt:
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03/12/1996
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Application #:
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08324626
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Filing Dt:
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10/17/1994
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Title:
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OPTICAL DISK APPARATUS
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Patent #:
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Issue Dt:
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05/20/1997
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Application #:
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08332568
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Filing Dt:
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10/31/1994
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Title:
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DISK REPRODUCING CIRCUIT WITH AUTOMATIC GAIN CONTROL
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Patent #:
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Issue Dt:
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10/10/1995
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Application #:
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08338892
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Filing Dt:
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11/14/1994
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Title:
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METHOD AND CIRCUIT FOR CORRECTING TRACK ZERO CROSSING SIGNAL IN OPTICAL TRACK
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Patent #:
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Issue Dt:
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04/01/1997
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Application #:
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08365169
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Filing Dt:
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12/28/1994
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Title:
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OPTICAL DISK HAVING AN ERASED-STATE INDICATOR AND OPTICAL DISK APPARATUS FOR REDUCING FREQUENCY OF DISK ERASING OPERATION
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Patent #:
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Issue Dt:
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04/01/1997
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Application #:
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08368605
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Filing Dt:
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01/04/1995
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Title:
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APPARATUS AND METHOD FOR DRIVE MANAGEMENT FOR MULTI-PASS STORAGE DEVICES
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Patent #:
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Issue Dt:
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11/13/2001
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Application #:
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08407058
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Filing Dt:
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03/17/1995
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Title:
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OPTICAL DISK APPARTUS WITH OPTICAL HEAD CLEANING
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Patent #:
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Issue Dt:
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07/15/1997
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Application #:
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08410340
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Filing Dt:
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03/24/1995
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Title:
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OPTICAL DISK DEVICE HAVING TRACK JUMPING CONTROL
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Patent #:
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Issue Dt:
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02/04/1997
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Application #:
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08416044
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Filing Dt:
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04/04/1995
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Title:
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OPTICAL DATA RECORDING/REPRODUCING DEVICE AND INTEGRATED HEAD
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Patent #:
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|
Issue Dt:
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02/18/2003
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Application #:
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08419512
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Filing Dt:
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04/07/1995
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Title:
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OPTICAL PICKUP SERVO CONTROL APPARATUS
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Patent #:
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Issue Dt:
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01/02/1996
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Application #:
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08421043
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Filing Dt:
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04/12/1995
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Title:
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SEEK CONTROL SYSTEM FOR OPTICAL STORAGE APPARATUS
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Patent #:
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Issue Dt:
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05/20/1997
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Application #:
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08424130
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Filing Dt:
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04/19/1995
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Title:
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LOAD CURRENT CONTROL OF PULSE WIDTH MODULATED DRIVE SIGNAL INCLUDING CALIBRATION AND CORRECTION COEFFICIENT
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Patent #:
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Issue Dt:
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03/03/1998
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Application #:
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08467692
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Filing Dt:
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06/06/1995
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Title:
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DISK DRIVE APPARATUS HAVING IMPROVED INITIALIZATION PROCESS
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Patent #:
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Issue Dt:
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04/08/1997
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Application #:
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08529270
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Filing Dt:
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09/15/1995
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Title:
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OPTICAL HEAD UNIT FOR AN OPTICAL DISK USING A DIFFRACTION GRATING
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Patent #:
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Issue Dt:
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05/20/1997
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Application #:
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08532092
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Filing Dt:
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09/22/1995
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Title:
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LIGHT MODULATION METHOD FOR OPTICAL DISK DRIVE DEVICE
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Patent #:
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Issue Dt:
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04/22/1997
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Application #:
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08535994
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Filing Dt:
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09/29/1995
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Title:
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OPTICAL DISK APPARATUS AND SEEK CONTROL METHOD
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Patent #:
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Issue Dt:
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11/04/1997
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Application #:
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08551577
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Filing Dt:
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11/01/1995
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Title:
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OPTICAL DISK AND METHOD OF PREVENTING FRAUDULENT USE OF OPTICAL DISK ROTATION SYNCHRONOUS CONTROL SYSTEM
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Patent #:
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Issue Dt:
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10/27/1998
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Application #:
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08565118
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Filing Dt:
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11/30/1995
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Title:
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REMOVABLE MEDIUM DATA STORAGE WITH PRE-READING BEFORE ISSURANCE OF A FIRST READ COMMAND
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Patent #:
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Issue Dt:
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12/02/1997
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Application #:
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08573751
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Filing Dt:
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12/18/1995
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Title:
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OPTICAL DISK DRIVE UNIT
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Patent #:
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Issue Dt:
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03/11/1997
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Application #:
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08604362
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Filing Dt:
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02/21/1996
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Title:
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OPTICAL HEAD HAVING LIGHT BLOCKING MEANS POSITIONED IN FRONT OF A DETECTOR FOR SUPER-RESOLUTION DETECTION
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Patent #:
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Issue Dt:
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10/07/1997
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Application #:
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08608445
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Filing Dt:
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02/28/1996
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Title:
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SEEK CONTROL METHOD IN OPTICAL STORAGE DEVICE
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Patent #:
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Issue Dt:
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11/10/1998
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Application #:
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08618721
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Filing Dt:
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03/20/1996
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Title:
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OPTICAL RECORDING MEDIUM TO STORE AND ACCESS LARGE VOLUMES OF DATA
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Patent #:
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Issue Dt:
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08/26/1997
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Application #:
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08620083
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Filing Dt:
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03/21/1996
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Title:
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OPTICAL RECORDING MEDIUM HAVING A NON-VOLATILE IDENTIFICATION CODE AND METHOD FOR ENCODING DATA USING SAME
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Patent #:
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Issue Dt:
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10/19/1999
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Application #:
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08625289
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Filing Dt:
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04/01/1996
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Title:
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FOCUS CONTROL METHOD AND OPTICAL DISK UNIT WITH FOCUS OFFSET CORRECTION
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Patent #:
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Issue Dt:
|
10/06/1998
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Application #:
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08632014
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Filing Dt:
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04/15/1996
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Title:
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OPTICAL RECORDING MEDIUM AND REPRODUCING METHOD FOR THE SAME
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Patent #:
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Issue Dt:
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01/12/1999
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Application #:
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08637936
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Filing Dt:
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04/23/1996
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Title:
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TRACKING AND FOCUS CONTROL SYSTEM FOR OPTICAL DISK APPARATUS
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Patent #:
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Issue Dt:
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09/29/1998
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Application #:
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08638221
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Filing Dt:
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04/26/1996
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Title:
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LENS ACTUATOR AND OPTICAL DISK APPARATUS
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Patent #:
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Issue Dt:
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02/03/1998
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Application #:
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08640185
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Filing Dt:
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04/30/1996
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Title:
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PICKUP CONTROL METHOD AND APPARATUS, AND DISK UNIT WITH GAIN CONTROL DURING POWER SAVE MODE
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Patent #:
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Issue Dt:
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04/06/1999
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Application #:
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08648224
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Filing Dt:
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05/13/1996
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Title:
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OPTICAL RECORDING MEDIUM AND REPRODUCING METHOD AND APPARATUS HAVING OFFSET PREFORMAT DATA
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Patent #:
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Issue Dt:
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01/13/1998
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Application #:
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08659070
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Filing Dt:
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06/04/1996
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Title:
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MULTIPLE FORMAT INTERCHANGEABLE OPTICAL RECORDING MEDIUM AND METHOD OF CONTROLLING SAME
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Patent #:
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Issue Dt:
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02/13/2001
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Application #:
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08674611
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Filing Dt:
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06/28/1996
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Title:
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FILE MANAGEMENT METHOD FOR INTERCHANGEABLE STORAGE MEDIA
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Patent #:
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Issue Dt:
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10/31/2000
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Application #:
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08678551
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Filing Dt:
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07/09/1996
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Title:
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Optical Memory Apparatus Having A Supporting Base With An Integral, Fixed Optical Part Mounting Portion
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Patent #:
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Issue Dt:
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12/09/1997
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Application #:
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08681810
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Filing Dt:
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07/29/1996
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Title:
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HOLOGRAM OPTICAL SYSTEM FOR OPTICAL PICKUP FOR OPTICAL DISK DRIVE
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Patent #:
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Issue Dt:
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08/18/1998
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Application #:
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08683121
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Filing Dt:
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07/16/1996
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Title:
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DISK APPARATUS
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Patent #:
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Issue Dt:
|
07/07/1998
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Application #:
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08683174
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Filing Dt:
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07/18/1996
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Title:
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A OPTICAL DISK HAVING AN ERASED-STATE INDICATOR AND OPTICAL DISK APPARATUS FOR REDUCING FREQUENCY OF DISK-ERASING OPERTATIONS
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Patent #:
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Issue Dt:
|
11/02/1999
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Application #:
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08693700
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Filing Dt:
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08/07/1996
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Title:
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OPTICAL STORAGE DEVICE MADE THINNER BY SUBSTITUTING ELECTRICAL MEANS FOR CAPABILITIES OF SENSORS
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Patent #:
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Issue Dt:
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02/15/2000
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Application #:
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08717256
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Filing Dt:
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09/20/1996
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Title:
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OPTICAL DISK APPARATUS
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Patent #:
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Issue Dt:
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11/18/1997
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Application #:
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08718172
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Filing Dt:
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09/19/1996
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Title:
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CONTROLLING SYSTEM FOR OPTICAL STORAGE APPARATUS USING PULSE WIDTH MODULATOR
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Patent #:
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Issue Dt:
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03/24/1998
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Application #:
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08724853
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Filing Dt:
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10/03/1996
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Title:
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OPTICAL DISK CARTRIDGE AND AN OPTICAL DISK DRIVE USING THE SAME
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Patent #:
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Issue Dt:
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08/03/1999
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Application #:
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08749144
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Filing Dt:
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11/14/1996
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Title:
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OPTICAL STORAGE APPARATUS HAVING TRACK SEEK CONTROL UNIT PROVIDING IMPROVED SEEK PERFORMANCE
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Patent #:
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Issue Dt:
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05/19/1998
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Application #:
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08749231
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Filing Dt:
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11/14/1996
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Title:
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OPTICAL DEVICE WITH IMPROVED FOCUSED ERROR DETECTION AND TRACING ERROR DETECTION FOR OPTICAL DISK DRIVE
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Patent #:
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Issue Dt:
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05/12/1998
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Application #:
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08757642
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Filing Dt:
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12/02/1996
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Title:
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RECORDING MEDIUM FOR ELECTRONIC PUBLICATIONS INCLUDING MULTIPLE FORMAT EMULATION
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Patent #:
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Issue Dt:
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03/24/1998
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Application #:
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08763621
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Filing Dt:
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12/04/1996
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Title:
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OPTICAL STORAGE APPARATUS
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Patent #:
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Issue Dt:
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06/30/1998
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Application #:
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08771315
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Filing Dt:
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12/20/1996
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Title:
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OPTICAL HEAD DEVICE CAPABLE OF REDUCING THE LIGHT POWER LOSS
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Patent #:
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Issue Dt:
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08/18/1998
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Application #:
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08780717
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Filing Dt:
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01/08/1997
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Title:
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OPTICAL DISK HAVING IDENTIFICATION SIGNAL RECORDED BETWEEN AND USED IN COMMON FOR TWO MUTUALLY ADJACENT TRACKS AND OPTICAL DISK UNIT THEREFOR
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Patent #:
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Issue Dt:
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08/18/1998
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Application #:
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08781280
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Filing Dt:
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01/10/1997
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Title:
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DATA REPRODUCTION APPARATUS AND DATA REPRODUCTION METHOD
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Patent #:
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Issue Dt:
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06/16/1998
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Application #:
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08781958
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Filing Dt:
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12/20/1996
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Title:
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OPTICAL STORAGE APPARATUS WITH TRACK SEEKING CONTROL SYSTEM
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Patent #:
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Issue Dt:
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09/15/1998
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Application #:
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08789951
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Filing Dt:
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01/27/1997
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Title:
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OPTICAL STORAGE APPARATUS
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Patent #:
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Issue Dt:
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10/20/1998
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Application #:
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08798643
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Filing Dt:
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02/11/1997
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Title:
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INFORMATION RECORDING METHOD OF OPTICAL RECORDING MEDIUM
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Patent #:
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Issue Dt:
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09/22/1998
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Application #:
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08815947
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Filing Dt:
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03/13/1997
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Title:
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OPTICAL RECORDING MEDIUM HAVING A NON-VOLATILE IDENTIFICATION CODE AND METHOD FOR ENCODING DATA USING SAME
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Patent #:
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Issue Dt:
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04/28/1998
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Application #:
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08826286
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Filing Dt:
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03/27/1997
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Title:
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DATA REPRODUCTION APPARATUS
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Patent #:
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Issue Dt:
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04/25/2000
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Application #:
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08864465
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Filing Dt:
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05/28/1997
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Title:
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SEEK CONTROL METHOD IN OPTICAL STORAGE DEVICE
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Patent #:
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Issue Dt:
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02/09/1999
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Application #:
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08884513
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Filing Dt:
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06/27/1997
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Title:
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OPTICAL STORAGE APPARATUS WHICH DETECTS A LENS POSITION SIGNAL WITHOUT A LENS POSITION SENSOR
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Patent #:
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Issue Dt:
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09/25/2001
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Application #:
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08891382
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Filing Dt:
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07/11/1997
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Title:
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STORAGE APPARATUS
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Patent #:
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Issue Dt:
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03/09/1999
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Application #:
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08897489
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Filing Dt:
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07/21/1997
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Title:
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DOWNSIZED MAGNETO-OPTICAL DISK DRIVE DEVICE
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Patent #:
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Issue Dt:
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06/29/1999
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Application #:
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08907941
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Filing Dt:
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08/12/1997
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Title:
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METHOD AND DEVICE FOR DETECTING AN AMOUNT OF ACTUATOR OFFSET FOR AN OPTICAL DISK DEVICE
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Patent #:
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Issue Dt:
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02/15/2000
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Application #:
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08928301
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Filing Dt:
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09/12/1997
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Title:
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HEAD DRIVING APPARATUS AND OPTICAL DISK APPARATUS
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Patent #:
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Issue Dt:
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05/14/2002
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Application #:
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08938712
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Filing Dt:
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09/26/1997
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Title:
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OPTICAL MEMORY APPARATUS
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Patent #:
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Issue Dt:
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06/25/2002
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Application #:
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08939116
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Filing Dt:
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09/26/1997
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Title:
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OPTICAL MEMORY APPARATUS HAVING PLANAR PRINTED CIRCUIT BOARD MOUNTED ON, AND WITH A MAIN SURFACE FACING, A BASE; FIRST AND SECOND CIRCUIT PARTS OF FIRST AND SECOND DIFFERENT HEIGHTS ARE MOUNTED ON FIRST AND SECOND AREAS OF THE MAIN SURFACE THEREOF
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Patent #:
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Issue Dt:
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07/27/1999
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Application #:
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08959370
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Filing Dt:
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10/28/1997
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Title:
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OPTICAL STORAGE DEVICE MADE THINNER BY SUBSTITUTING ELECTRICAL MEANS FOR CAPABILITIES OF SENSORS
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Patent #:
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Issue Dt:
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10/12/1999
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Application #:
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08959454
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Filing Dt:
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10/28/1997
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Title:
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OPTICAL STORAGE DEVICE MADE THINNER BY SUBSTITUTING ELECTRICAL MEANS OR CAPABILITIES OF SENSORS
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Patent #:
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Issue Dt:
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05/23/2000
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Application #:
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08961444
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Filing Dt:
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10/30/1997
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Title:
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RECORDING POWER ADJUSTMENT FOR OPTICAL STORAGE APPARATUS
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Patent #:
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Issue Dt:
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04/18/2000
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Application #:
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08966841
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Filing Dt:
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11/07/1997
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Title:
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COMPACT OPTICAL DISK APPARATUS HAVING A SWING-MOTION OPTICAL HEAD
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Patent #:
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Issue Dt:
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04/03/2001
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Application #:
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08967118
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Filing Dt:
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11/12/1997
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Title:
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APPARATUS FOR SUPPRESSING WARPING OF OPTICAL DISK AND OPTICAL DISK APPARATUS
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Patent #:
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Issue Dt:
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06/22/1999
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Application #:
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08995200
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Filing Dt:
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12/19/1997
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Title:
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DISK DRIVE APPRATUS INITIALIZING OPTICAL HEAD DURING ACCELERATION OF DISK, DETECTING CONTROL INFORMATION AND ADJUSTING LIGHT EMISSION PRIOR TO DISK REACHING A CONSTANT SPEED OF ROTATION
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Patent #:
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Issue Dt:
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04/06/1999
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Application #:
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09005196
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Filing Dt:
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01/09/1998
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Title:
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OPTICAL STORAGE APPARATUS
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