Total properties:
68
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Patent #:
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Issue Dt:
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Application #:
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05608917
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Filing Dt:
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Title:
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Patent #:
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Issue Dt:
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Application #:
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05758818
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Filing Dt:
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Title:
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Patent #:
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Issue Dt:
|
04/24/1979
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Application #:
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05836366
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Filing Dt:
|
09/26/1977
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Title:
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CALCULATOR INTERFACE
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Patent #:
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Issue Dt:
|
01/22/1980
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Application #:
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05921514
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Filing Dt:
|
07/03/1978
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Title:
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LOW NOISE SYSTEM AND METHOD FOR SEQUENTIALLY SENSING INDUCED SIGNALS IN DIGITIZER GRID CONDUCTORS
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Patent #:
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Issue Dt:
|
07/01/1980
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Application #:
|
05921572
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Filing Dt:
|
07/03/1978
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Title:
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METHOD AND APPARATUS FOR DIGITIZING THE LOCATION OF AN INSTRUMENT RELATIVE TO A GRID
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Patent #:
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Issue Dt:
|
06/03/1980
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Application #:
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05933569
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Filing Dt:
|
08/14/1978
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Title:
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GRAPHIC DIGITIZER
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Patent #:
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Issue Dt:
|
04/07/1981
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Application #:
|
06042093
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Filing Dt:
|
05/24/1979
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Title:
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UP/DOWN SCANNING DIGITIZING APPARATUS AND METHOD
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Patent #:
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Issue Dt:
|
11/02/1982
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Application #:
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06173723
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Filing Dt:
|
07/30/1980
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Title:
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DISTANCE RANGING APPARATUS AND METHOD
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Patent #:
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Issue Dt:
|
12/27/1983
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Application #:
|
06400511
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Filing Dt:
|
07/21/1982
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Title:
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APPARATUS AND METHOD FOR DETERMINING THE POSITION OF A DRIVEN COIL WITHIN A GRID OF SPACED CONDUCTORS
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Patent #:
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|
Issue Dt:
|
03/17/1987
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Application #:
|
06619243
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Filing Dt:
|
06/11/1984
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Title:
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HAND-HOLDABLE DIGITIZER CURSOR
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Patent #:
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Issue Dt:
|
04/21/1987
|
Application #:
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06779350
|
Filing Dt:
|
09/23/1985
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Title:
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X-Y POSITION SENSOR
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Patent #:
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|
Issue Dt:
|
04/05/1988
|
Application #:
|
06828060
|
Filing Dt:
|
02/10/1986
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Title:
|
NOISE-CANCELING SYSTEM FOR A DIGITIZING TABLET
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Patent #:
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|
Issue Dt:
|
03/29/1988
|
Application #:
|
07026217
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Filing Dt:
|
03/16/1987
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Title:
|
DIGITIZER SYSTEM WITH LOOPBACK CONDUCTOR GRID
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|
|
Patent #:
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|
Issue Dt:
|
08/08/1989
|
Application #:
|
07104579
|
Filing Dt:
|
10/02/1987
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Title:
|
MEASURING TABLE FOR CO-ORDINATE MEASURING SYSTEM
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Patent #:
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|
Issue Dt:
|
05/02/1989
|
Application #:
|
07116034
|
Filing Dt:
|
11/03/1987
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Title:
|
DIGITIZER CURSOR COIL FOR REDUCING EDGE EFFECT
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|
|
Patent #:
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|
Issue Dt:
|
05/30/1989
|
Application #:
|
07131286
|
Filing Dt:
|
12/10/1987
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Title:
|
METHOD OF MAKING A CURSOR FOR AN INDUCTIVE SENSOR
|
|
|
Patent #:
|
|
Issue Dt:
|
04/11/1989
|
Application #:
|
07140648
|
Filing Dt:
|
01/04/1988
|
Title:
|
LOW-COST, HIGH-ACCURACY DIGITIZER SIGNAL ACQUISITION APARATUS AND METHOD
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|
|
Patent #:
|
|
Issue Dt:
|
12/27/1988
|
Application #:
|
07152993
|
Filing Dt:
|
02/08/1988
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Title:
|
FREQUENCY SHIFTING DIGITIZER FOR REDUCING AC FIELDS INTERFERENCE
|
|
|
Patent #:
|
|
Issue Dt:
|
05/30/1989
|
Application #:
|
07155267
|
Filing Dt:
|
02/12/1988
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Title:
|
SHIFTING WIRE SEQUENCE DIGITIZER SYSTEM
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|
|
Patent #:
|
|
Issue Dt:
|
02/21/1989
|
Application #:
|
07155500
|
Filing Dt:
|
02/12/1988
|
Title:
|
3-DIMENSIONAL DIGITIZER PEN
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|
|
Patent #:
|
|
Issue Dt:
|
05/16/1989
|
Application #:
|
07156358
|
Filing Dt:
|
02/12/1988
|
Title:
|
DIGITIZER SYSTEM WITH INTERTWINED LOOPBACK CONDUCTOR GRID
|
|
|
Patent #:
|
|
Issue Dt:
|
06/12/1990
|
Application #:
|
07179945
|
Filing Dt:
|
04/11/1988
|
Title:
|
CURSOR
|
|
|
Patent #:
|
|
Issue Dt:
|
08/01/1989
|
Application #:
|
07208467
|
Filing Dt:
|
06/20/1988
|
Title:
|
SHIELDING TECHNIQUE FOR DIGITIZERS
|
|
|
Patent #:
|
|
Issue Dt:
|
08/01/1989
|
Application #:
|
07283509
|
Filing Dt:
|
12/12/1988
|
Title:
|
GROUND SWITCHING TECHNIQUE FOR SILKSCREENED DIGITIZER GRIDS
|
|
|
Patent #:
|
|
Issue Dt:
|
11/27/1990
|
Application #:
|
07284544
|
Filing Dt:
|
12/15/1988
|
Title:
|
APPARATUS FOR DIGITIZING POSITIONS ON A TRANSPARENCY
|
|
|
Patent #:
|
|
Issue Dt:
|
10/10/1989
|
Application #:
|
07286700
|
Filing Dt:
|
12/20/1988
|
Title:
|
INK-ON-GLASS DIGITIZER TABLET AND METHOD OF CONSTRUCTION
|
|
|
Patent #:
|
|
Issue Dt:
|
01/02/1990
|
Application #:
|
07314562
|
Filing Dt:
|
02/23/1989
|
Title:
|
SPARKING STYLUS FOR ACOUSTIC DIGITIZER
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|
|
Patent #:
|
|
Issue Dt:
|
08/07/1990
|
Application #:
|
07321434
|
Filing Dt:
|
03/09/1989
|
Title:
|
CURSOR FOR AN INDUCTIVE SENSOR FOR USE WITH A DIGITIZER BOARD
|
|
|
Patent #:
|
|
Issue Dt:
|
04/17/1990
|
Application #:
|
07383254
|
Filing Dt:
|
07/21/1989
|
Title:
|
CO-ORDINATE MEASURING SYSTEM
|
|
|
Patent #:
|
|
Issue Dt:
|
09/11/1990
|
Application #:
|
07405944
|
Filing Dt:
|
09/12/1989
|
Title:
|
POSITION DETERMINATION APPARATUS
|
|
|
Patent #:
|
|
Issue Dt:
|
07/03/1990
|
Application #:
|
07431886
|
Filing Dt:
|
11/06/1989
|
Title:
|
DIGITIZER PEN TILT CORRECTION EMPLOYING WIRES NEAR THE DATA POINT
|
|
|
Patent #:
|
|
Issue Dt:
|
09/17/1991
|
Application #:
|
07467632
|
Filing Dt:
|
01/19/1990
|
Title:
|
POSITION DETERMINING APPARATUS
|
|
|
Patent #:
|
|
Issue Dt:
|
08/27/1991
|
Application #:
|
07467662
|
Filing Dt:
|
01/19/1990
|
Title:
|
APPARATUS AND METHOD FOR DISTANCE DETERMINATION
|
|
|
Patent #:
|
|
Issue Dt:
|
04/23/1991
|
Application #:
|
07495330
|
Filing Dt:
|
03/19/1990
|
Title:
|
METHOD AND APPARATUS FOR POSITION DETERMINATION
|
|
|
Patent #:
|
|
Issue Dt:
|
04/14/1992
|
Application #:
|
07495337
|
Filing Dt:
|
03/19/1990
|
Title:
|
SCR CONTROL FOR HIGH CURRENT DISCHARGE CIRCUIT
|
|
|
Patent #:
|
|
Issue Dt:
|
10/01/1991
|
Application #:
|
07495361
|
Filing Dt:
|
03/16/1990
|
Title:
|
APPARATUS AND METHOD FOR DETERMINING TRAVEL TIME OF ACOUSTIC ENERGY
|
|
|
Patent #:
|
|
Issue Dt:
|
09/03/1991
|
Application #:
|
07527027
|
Filing Dt:
|
05/22/1990
|
Title:
|
DIGITIZER SYSTEM WITH PASSIVE POINTER
|
|
|
Patent #:
|
|
Issue Dt:
|
06/23/1992
|
Application #:
|
07643576
|
Filing Dt:
|
01/15/1991
|
Title:
|
DIGITIZER WITH CAPACITIVE AND INDUCTIVE COUPLING
|
|
|
Patent #:
|
|
Issue Dt:
|
04/21/1992
|
Application #:
|
07670998
|
Filing Dt:
|
03/18/1991
|
Title:
|
POSITION DIGITIZER CIRCUIT FOR A MOVEABLE INSTRUMENT
|
|
|
Patent #:
|
|
Issue Dt:
|
07/28/1992
|
Application #:
|
07714675
|
Filing Dt:
|
06/13/1991
|
Title:
|
DIGITIZER EMPLOYING LOOPBACK CONDUCTOR PATTERN USING ROTATION SEQUENCING
|
|
|
Patent #:
|
|
Issue Dt:
|
02/15/1994
|
Application #:
|
07743801
|
Filing Dt:
|
08/12/1991
|
Title:
|
AUTOMATIC TRACKING AND SCANNING CURSOR FOR DIGITIZERS
|
|
|
Patent #:
|
|
Issue Dt:
|
08/10/1993
|
Application #:
|
07760563
|
Filing Dt:
|
09/16/1991
|
Title:
|
PHASE REFERENCE SYSTEM FOR CORDLESS LOOPING DIGITIZER
|
|
|
Patent #:
|
|
Issue Dt:
|
11/03/1992
|
Application #:
|
07767112
|
Filing Dt:
|
09/27/1991
|
Title:
|
CORDLESS DIGITIZER LOCAL CONDUCTOR PHASE REFERENCE SYSTEM
|
|
|
Patent #:
|
|
Issue Dt:
|
07/13/1993
|
Application #:
|
07767462
|
Filing Dt:
|
09/30/1991
|
Title:
|
SINGLE COIL DIGITIZER-COUPLED IMAGE SCANNER
|
|
|
Patent #:
|
|
Issue Dt:
|
06/14/1994
|
Application #:
|
07781612
|
Filing Dt:
|
10/23/1991
|
Title:
|
ROLL-UP DIGITIZER
|
|
|
Patent #:
|
|
Issue Dt:
|
01/10/1995
|
Application #:
|
07784929
|
Filing Dt:
|
10/30/1991
|
Title:
|
SEE-THROUGH DIGITIZER WITH CLEAR CONDUCTIVE GRID
|
|
|
Patent #:
|
|
Issue Dt:
|
09/21/1993
|
Application #:
|
07789665
|
Filing Dt:
|
11/08/1991
|
Title:
|
CORDLESS DIGITIZER STYLUS STATUS ENCODING AND TRANSMISSION SCHEME
|
|
|
Patent #:
|
|
Issue Dt:
|
03/30/1993
|
Application #:
|
07799570
|
Filing Dt:
|
11/27/1991
|
Title:
|
METHOD FOR USE IN A DIGITIZER FOR DETERMINING PEN TILT
|
|
|
Patent #:
|
|
Issue Dt:
|
12/28/1993
|
Application #:
|
07816308
|
Filing Dt:
|
12/26/1991
|
Title:
|
PRINTED CONDUCTIVE INK ELECTROSTATIC SHIELD FOR ELECTROMAGNETIC DIGITIZERS
|
|
|
Patent #:
|
|
Issue Dt:
|
12/14/1993
|
Application #:
|
07869839
|
Filing Dt:
|
04/16/1992
|
Title:
|
DIGITIZER CURSOR/MOUSE WITH UNITARY SWITCH ACTUATORS
|
|
|
Patent #:
|
|
Issue Dt:
|
09/06/1994
|
Application #:
|
07875841
|
Filing Dt:
|
04/29/1991
|
Title:
|
CORDLESS DIGITIZER USING ELECTROMAGNETIC LOCATING SIGNALS
|
|
|
Patent #:
|
|
Issue Dt:
|
10/18/1994
|
Application #:
|
07877831
|
Filing Dt:
|
04/30/1992
|
Title:
|
DIGITIZER TABLET HAVING HIGH PERMEABILITY GRID SHIELD
|
|
|
Patent #:
|
|
Issue Dt:
|
07/05/1994
|
Application #:
|
07903605
|
Filing Dt:
|
06/23/1992
|
Title:
|
DYNAMICALLY-ADJUSTABLE SCANNING RATE IN DIGITIZERS
|
|
|
Patent #:
|
|
Issue Dt:
|
10/13/1998
|
Application #:
|
07929971
|
Filing Dt:
|
08/13/1992
|
Title:
|
DIGITIZER CURSOR VELOCITY OFFSET ERROR CORRECTION SYSTEM
|
|
|
Patent #:
|
|
Issue Dt:
|
01/03/1995
|
Application #:
|
08003786
|
Filing Dt:
|
01/13/1993
|
Title:
|
POSITION DETERMINING APPARATUS
|
|
|
Patent #:
|
|
Issue Dt:
|
10/18/1994
|
Application #:
|
08010536
|
Filing Dt:
|
01/28/1993
|
Title:
|
PRESSURE SENSING APPARATUS FOR DIGITIZER PEN TIP
|
|
|
Patent #:
|
|
Issue Dt:
|
01/24/1995
|
Application #:
|
08027642
|
Filing Dt:
|
03/08/1993
|
Title:
|
THREE-DIMENSIONAL CIRCUITS FOR DIGITIZER AND PEN-BASED COMPUTER SYSTEM PEN CURSORS
|
|
|
Patent #:
|
|
Issue Dt:
|
04/18/1995
|
Application #:
|
08140841
|
Filing Dt:
|
10/25/1993
|
Title:
|
CORDLESS TRANSDUCER PHASE REFERENCE AND DATA COMMUNICATION APPARATUS AND METHOD FOR DIGITIZERS
|
|
|
Patent #:
|
|
Issue Dt:
|
12/13/1994
|
Application #:
|
08140855
|
Filing Dt:
|
10/25/1993
|
Title:
|
HALF NORMAL FREQUENCY REGIME PHASE ENCODING IN CORDLESS DIGITIZERS
|
|
|
Patent #:
|
|
Issue Dt:
|
01/24/1995
|
Application #:
|
08163964
|
Filing Dt:
|
12/08/1993
|
Title:
|
VOLTAGE CONTROLLED OSCILLATOR CIRCUIT EMPLOYING INTEGRATED CIRCUIT COMPONENT RATIOS
|
|
|
Patent #:
|
|
Issue Dt:
|
07/25/1995
|
Application #:
|
08184687
|
Filing Dt:
|
01/21/1994
|
Title:
|
PHASE LOCK LOOP CIRCUIT FOR SIGNALS PERIODICALLY INVERTING IN PHASE
|
|
|
Patent #:
|
|
Issue Dt:
|
06/11/1996
|
Application #:
|
08282822
|
Filing Dt:
|
07/29/1994
|
Title:
|
CORDLESS DIGITIZER TRANSDUCER/CURSOR STATUS TRANSMISSION APPARATUS AND METHOD
|
|
|
Patent #:
|
|
Issue Dt:
|
06/03/1997
|
Application #:
|
08368778
|
Filing Dt:
|
01/04/1995
|
Title:
|
DYNAMIC PRESSURE ADJUSTMENT OF A PRESSURE-SENSITIVE POINTING DEVICE FOR A DIGITIZER
|
|
|
Patent #:
|
|
Issue Dt:
|
04/07/1998
|
Application #:
|
08396617
|
Filing Dt:
|
03/01/1995
|
Title:
|
ILLUMINATION APPARATUS FOR A DIGITIZER TABLET WITH IMPROVED LIGHT PANEL
|
|
|
Patent #:
|
|
Issue Dt:
|
02/03/1998
|
Application #:
|
08503409
|
Filing Dt:
|
07/15/1995
|
Title:
|
HIGH EFFICIENCY PASSIVE POINTER DIGITIZER SYSTEM
|
|
|
Patent #:
|
|
Issue Dt:
|
12/29/1998
|
Application #:
|
08526185
|
Filing Dt:
|
09/11/1995
|
Title:
|
HIGH ACCURACY DIGITIZER SYSTEM
|
|
|
Patent #:
|
|
Issue Dt:
|
12/23/1997
|
Application #:
|
08708905
|
Filing Dt:
|
09/05/1996
|
Title:
|
DIGITIZER TABLET SYSTEM WITH DUAL-MODE CURSOR/MOUSE
|
|
|
Patent #:
|
|
Issue Dt:
|
|
Application #:
|
UNAVAILABLE
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Filing Dt:
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Title:
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|
|