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Patent #:
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Issue Dt:
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04/04/1989
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Application #:
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07050979
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Filing Dt:
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05/15/1987
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Title:
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PROTECTION SYSTEM FOR CMOS INTEGRATED CIRCUITS
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Patent #:
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Issue Dt:
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06/13/1989
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Application #:
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07077268
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Filing Dt:
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07/24/1987
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Title:
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DIGITAL TONE DETECTION AND GENERATION
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Patent #:
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Issue Dt:
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07/10/1990
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Application #:
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07077349
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Filing Dt:
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07/24/1987
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Title:
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WEAK/STRONG BUS DRIVER
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Patent #:
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Issue Dt:
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08/22/1989
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Application #:
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07111475
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Filing Dt:
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10/21/1987
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Title:
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MASTER/SLAVE SYNCHRONIZER
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Patent #:
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Issue Dt:
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06/27/1989
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Application #:
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07146459
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Filing Dt:
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01/21/1988
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Title:
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DIGITAL-TO-ANALOG CONVERTER WITH NO OFFSET-INDUCED ERRORS
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Patent #:
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Issue Dt:
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05/09/1989
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Application #:
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07146988
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Filing Dt:
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01/22/1988
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Title:
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PSEUDO-TERNARY CODE TRANSMITTER
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Patent #:
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Issue Dt:
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04/17/1990
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Application #:
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07206761
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Filing Dt:
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06/15/1988
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Title:
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TTL OUTPUT DRIVER GATE CONFIGURATION
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Patent #:
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Issue Dt:
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09/26/1989
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Application #:
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07212282
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Filing Dt:
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06/27/1988
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Title:
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ELECTROSTATIC DISCHARGE PROTECTION CIRCUITRY FOR ANY TWO EXTERNAL PINS OF AN I.C. PACKAGE
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Patent #:
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Issue Dt:
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07/18/1989
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Application #:
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07213546
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Filing Dt:
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06/30/1988
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Title:
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FULLY DIFFERENTIAL NON-LINEAR AMPLIFIER
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Patent #:
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Issue Dt:
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06/05/1990
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Application #:
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07245617
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Filing Dt:
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09/19/1988
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Title:
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A METHOD OF GENERATING UPDATED TRANSVERSAL FILTER COEFFICIENTS
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Patent #:
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Issue Dt:
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07/03/1990
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Application #:
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07283776
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Filing Dt:
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12/13/1988
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Title:
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TELEPHONE RINGING DETECTOR
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Patent #:
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Issue Dt:
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12/12/1989
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Application #:
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07286198
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Filing Dt:
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12/19/1988
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Title:
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TIME CONTINUOUS, DIFFERENTIAL ANALOG-TO-DIGITAL CONVERTER
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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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07299908
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Filing Dt:
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01/23/1989
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Title:
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A VOLTAGE SOURCE AMPLIFIER FOR USE IN A PSEUDOTERNARY CODE TRANSMITTER
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Patent #:
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Issue Dt:
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10/09/1990
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Application #:
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07356794
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Filing Dt:
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05/23/1989
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Title:
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SEGMENTED WAVEFORM GENERATOR
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Patent #:
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Issue Dt:
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02/19/1991
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Application #:
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07369572
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Filing Dt:
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06/20/1989
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Title:
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SHIELDED TRANSISTOR DEVICE
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Patent #:
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Issue Dt:
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11/20/1990
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Application #:
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07383914
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Filing Dt:
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07/21/1989
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Title:
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OPERATIONAL AMPLIFIER HAVING SELECTABLE INPUTS
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Patent #:
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Issue Dt:
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09/10/1991
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Application #:
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07383918
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Filing Dt:
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07/21/1989
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Title:
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TRIMMING CIRCUIT
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Patent #:
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Issue Dt:
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05/07/1991
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Application #:
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07401497
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Filing Dt:
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08/29/1989
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Title:
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ADAPTIVE ECHO-CANCELLER WITH DOUBLE-TALKER DETECTION
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Patent #:
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Issue Dt:
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06/11/1991
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Application #:
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07407447
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Filing Dt:
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09/13/1989
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Title:
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SWITCHABLE DAC WITH CURRENT SURGE PROTECTION
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Patent #:
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Issue Dt:
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03/26/1991
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Application #:
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07428629
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Filing Dt:
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10/30/1989
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Title:
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APPARATUS HAVING SHARED ARCHITECTURE FOR ANALOG-TO-DIGITAL AND FOR DIGITAL-TO-ANALOG SIGNAL CONVERSION
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Patent #:
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Issue Dt:
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08/27/1991
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Application #:
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07429207
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Filing Dt:
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10/30/1989
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Title:
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APPARATUS HAVING MODULAR INTERPOLATION ARCHITECTURE
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Patent #:
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Issue Dt:
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08/04/1992
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Application #:
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07544737
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Filing Dt:
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06/27/1990
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Title:
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INTEGRATED COMPARATOR CIRCUIT
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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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07572716
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Filing Dt:
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08/27/1990
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Title:
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IMPROVED SYNCHRONIZING CIRCUIT OF TWO CLOCK SIGNALS
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Patent #:
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Issue Dt:
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07/28/1992
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Application #:
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07589315
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Filing Dt:
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09/27/1990
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Title:
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APPARATUS FOR DISCRIMINATING INFORMATION SIGNALS FROM NOISE SIGNALS IN A COMMUNICATION SIGNAL
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Patent #:
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Issue Dt:
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03/30/1993
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Application #:
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07589327
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Filing Dt:
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12/03/1990
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Title:
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FULLY-INTEGRATED TELEPHONE UNIT
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Patent #:
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Issue Dt:
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12/24/1991
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Application #:
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07589330
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Filing Dt:
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09/27/1990
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Title:
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ECHO SUPRESSION WITH BOTH DIGITAL AND ANALOG VARIABLE ATTENUATORS
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Patent #:
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Issue Dt:
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02/11/1992
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Application #:
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07666101
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Filing Dt:
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03/07/1991
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Title:
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POSITIVE EDGE TRIGGERED SYNCHRONIZED PULSE GENERATOR
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Patent #:
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Issue Dt:
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08/11/1992
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Application #:
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07678573
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Filing Dt:
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03/26/1991
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Title:
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SOLID-STATE RELAY
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Patent #:
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Issue Dt:
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02/02/1993
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Application #:
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07712146
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Filing Dt:
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06/06/1991
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Title:
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SWITCHABLE DAC WITH CURRENT SURGE PROTECTION
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Patent #:
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Issue Dt:
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08/17/1993
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Application #:
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07754644
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Filing Dt:
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09/04/1991
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Title:
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SYSTEM AND METHOD FOR PRODUCING BASEBAND ANALOG MODULATION SIGNALS
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Patent #:
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Issue Dt:
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05/31/1994
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Application #:
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07779829
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Filing Dt:
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10/21/1991
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Title:
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TRANSCEIVER FOR FULL DUPLEX SIGNALLING ON A FIBER OPTIC CABLE
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Patent #:
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Issue Dt:
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03/30/1993
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Application #:
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07817150
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Filing Dt:
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01/06/1992
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Title:
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ENCRYPTION SYSTEM
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Patent #:
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Issue Dt:
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09/28/1993
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Application #:
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07844482
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Filing Dt:
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03/02/1992
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Title:
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APPARATUS FOR CONTROLLING A CURRENT SUPPLY DEVICE
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Patent #:
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Issue Dt:
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03/22/1994
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Application #:
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07882666
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Filing Dt:
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05/14/1992
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Title:
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IMPROVED TWO-STAGE-ANALOG-TO-DIGITAL CONVERTER
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Patent #:
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Issue Dt:
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06/22/1993
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Application #:
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07905060
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Filing Dt:
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06/26/1992
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Title:
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BREAK-BEFORE-MAKE CONTROL FOR FORM C SOLID-STATE RELAYS WITH CURRENT LIMITER BYPRASS
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Patent #:
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Issue Dt:
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09/05/1995
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Application #:
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07917497
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Filing Dt:
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07/21/1992
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Title:
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GENERAL I/O PORT INTERRUPT MECHANISM
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Patent #:
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Issue Dt:
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05/30/1995
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Application #:
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07918621
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Filing Dt:
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07/21/1992
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Title:
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SIGNAL AVERAGER
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Patent #:
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Issue Dt:
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04/04/1995
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Application #:
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07918624
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Filing Dt:
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07/21/1992
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Title:
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SERIAL INTERFACE MODULE AND METHOD IN WHICH THE CLOCK IS ONLY ACTIVATED TO SEND A PREDETERMINED NUMBER OF DATA BITS
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Patent #:
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Issue Dt:
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09/10/1996
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Application #:
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07918627
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Filing Dt:
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07/21/1992
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Title:
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INTEGRATED CIRCUIT AND CORDLESS TELEPHONE USING THE INTEGRATED CIRCUIT
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Patent #:
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Issue Dt:
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08/29/1995
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Application #:
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07964781
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Filing Dt:
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10/22/1992
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Title:
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VOLTAGE COMPARATOR WITH HYSTERESIS
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Patent #:
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Issue Dt:
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06/11/1996
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Application #:
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07970088
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Filing Dt:
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11/02/1992
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Title:
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DECORRELATION CONTROLLER FOR AN ADAPTIVE ECHO CANCELLOR
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Patent #:
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Issue Dt:
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06/27/1995
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Application #:
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08031785
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Filing Dt:
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03/12/1993
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Title:
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SUBSCRIBER LINE INTERFACE CIRCUIT WITH REDUCED ON-CHIP POWER DISSIPATION
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Patent #:
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Issue Dt:
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03/21/1995
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Application #:
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08074914
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Filing Dt:
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06/10/1993
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Title:
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LOW VOLTAGE DIGITAL-TO-ANALOG CONVERTER WITH IMPORVED ACCURACY
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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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08085898
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Filing Dt:
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06/30/1993
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Title:
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OPERATIONAL AMPLIFIER FOR LOW SUPPLY VOLTAGE APPLICATIONS
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Patent #:
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Issue Dt:
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05/09/1995
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Application #:
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08112610
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Filing Dt:
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08/26/1993
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Title:
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FOURTH-ORDER CASCADED SIGMA-DELTA MODULATOR
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Patent #:
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Issue Dt:
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05/16/1995
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Application #:
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08126545
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Filing Dt:
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09/24/1993
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Title:
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ANALOG-TO-DIGITAL CONVERTER WITH MULTI-LEVEL DITHER CURRENT INPUT
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Patent #:
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Issue Dt:
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01/24/1995
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Application #:
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08130636
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Filing Dt:
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10/01/1993
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Title:
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METHOD AND APPARATUS FOR PROTECTING CORDLESS TELEPHONE ACCOUNT AUTHENTICATION INFORMATION
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Patent #:
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Issue Dt:
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06/13/1995
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Application #:
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08132548
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Filing Dt:
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10/06/1993
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Title:
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GRADUAL ON OUTPUT BUFFER CIRCUIT INCLUDING A REVERSE TURN-OFF APPARATUS
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Patent #:
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Issue Dt:
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09/12/1995
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Application #:
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08139007
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Filing Dt:
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10/21/1993
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Title:
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METHOD AND APPARATUS FOR HIGH SPEED ANALOG TO DIGITAL CONVERSION USING MULTIPLEXED FLASH SECTIONS
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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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08146543
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Filing Dt:
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11/01/1993
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Title:
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LOW DISTORTION OPERATIONAL AMPLIFIER
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Patent #:
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Issue Dt:
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01/24/1995
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Application #:
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08149191
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Filing Dt:
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11/08/1993
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Title:
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FUSE TRIMMING IN PLASTIC PACKAGE DEVICES
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Patent #:
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Issue Dt:
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08/15/1995
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Application #:
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08168103
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Filing Dt:
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12/14/1993
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Title:
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LOW DISTORTION OUTPUT STAGE
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Patent #:
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Issue Dt:
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08/22/1995
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Application #:
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08168628
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Filing Dt:
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12/16/1993
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Title:
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LOW NOISE APPARATUS FOR RECEIVING AN INPUT CURRENT AND PRODUCING AN OUTPUT CURRENT WHICH MIRRORS THE INPUT CURRENT
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Patent #:
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Issue Dt:
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08/22/1995
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Application #:
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08174117
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Filing Dt:
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12/28/1993
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Title:
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BATTERY FEED FOR TELEPHONE LINE CARDS
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Patent #:
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Issue Dt:
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09/19/1995
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Application #:
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08184564
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Filing Dt:
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01/21/1994
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Title:
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METERING SIGNAL LEVEL CONTROL CIRCUIT
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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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08191818
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Filing Dt:
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02/04/1994
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Title:
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METHOD AND APPARATUS FOR IMPROVED LINK ESTABLISHMENT AND MONITORING IN A COMMUNICATIONS SYSTEM
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Patent #:
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Issue Dt:
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01/21/1997
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Application #:
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08191948
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Filing Dt:
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02/04/1994
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Title:
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INPUT/OUTPUT DATA PORT WITH A PARALLEL AND SERIAL INTERFACE
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Patent #:
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Issue Dt:
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06/10/1997
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Application #:
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08192046
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Filing Dt:
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02/04/1994
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Title:
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DUAL-MODE BASEBAND CONTROLLER FOR RADIO-FREQUENCY INTERFACES RELATING TO DIGITAL CORDLESS TELEPHONES
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Patent #:
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Issue Dt:
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07/09/1996
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Application #:
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08264883
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Filing Dt:
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06/24/1994
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Title:
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ANALOG INTEGRATED CIRCUIT
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Patent #:
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Issue Dt:
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05/07/1996
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Application #:
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08265930
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Filing Dt:
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06/27/1994
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Title:
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DIGITAL REGENERATIVE COMPARATOR
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Patent #:
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Issue Dt:
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05/02/1995
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Application #:
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08287214
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Filing Dt:
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08/08/1994
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Title:
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FUSE TRIMMING IN PLASTIC PACKAGE DEVICES
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Patent #:
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Issue Dt:
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06/18/1996
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Application #:
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08314101
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Filing Dt:
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09/28/1994
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Title:
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TELEPHONE BATTERY FEED CIRCUIT INCLUDING NOISE REDUCTION CIRCUIT
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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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08332430
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Filing Dt:
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10/31/1994
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Title:
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METHOD OF WEAK PULL-UP DISABLE AND MECHANISM THEREFOR FOR USE WITH MICROCONTROLLER IN INTEGRATED CIRCUIT AND CORDLESS TELEPHONE USING THE INTEGRATED CIRCUIT
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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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08332512
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Filing Dt:
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10/31/1994
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Title:
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VARIABLE DC FEED CHARACTERISTIC IN A SUBSCRIBER LINE INTERFACE CIRCUIT
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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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08333386
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Filing Dt:
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11/02/1994
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Title:
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DIGITAL NOISE SHAPER CIRCUIT
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Patent #:
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Issue Dt:
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11/26/1996
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Application #:
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08333399
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Filing Dt:
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11/02/1994
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Title:
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DIGITAL INTERPOLATION CIRCUIT FOR A DIGITAL-TO-ANALOG CONVERTER CIRCUIT
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Patent #:
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Issue Dt:
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04/15/1997
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Application #:
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08333403
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Filing Dt:
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11/02/1994
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Title:
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DIGITAL DECIMATION AND COMPENSATION FILTER SYSTEM
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Patent #:
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Issue Dt:
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12/17/1996
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Application #:
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08333460
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Filing Dt:
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11/02/1994
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Title:
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A MULTI-STAGE DIGITAL-TO-ANALOG CONVERSION CIRCUIT AND METHOD
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Patent #:
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Issue Dt:
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12/31/1996
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Application #:
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08333467
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Filing Dt:
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11/02/1994
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Title:
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STEREO AUDIO CODEC
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Patent #:
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Issue Dt:
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08/19/1997
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Application #:
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08333536
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Filing Dt:
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11/02/1994
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Title:
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NONOLITHIC PC AUDIO CIRCUIT WITH ENHANCED DIGITAL WAVETABLE AUDIO SYNTHESIZER
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Patent #:
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Issue Dt:
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04/21/1998
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Application #:
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08333562
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Filing Dt:
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11/02/1994
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Title:
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WAVETABLE AUDIO SYNTHESIZER WITH WAVEFORM VOLUME CONTROL FOR ELIMINATING ZIPPER NOISE
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Patent #:
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Issue Dt:
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09/16/1997
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Application #:
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08333564
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Filing Dt:
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11/02/1994
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Title:
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WAVETABLE AUDIO SYNTHESIZER WITH LOW FREQUENCY OSCILLATORS FOR TREMOLO AND VIBRATO EFFECTS
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Patent #:
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Issue Dt:
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04/04/2000
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Application #:
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08334462
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Filing Dt:
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11/02/1994
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Title:
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DIGITAL WAVETABLE AUDIO SYNTHESIZER WITH DELAY-BASED EFFECTS PROCESSING
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|
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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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08340386
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Filing Dt:
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11/15/1994
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Title:
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ON-BOARD RING SIGNAL GENERATOR
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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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08352665
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Filing Dt:
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12/09/1994
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Title:
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SIGMA-DELTA MODULATOR HAVING REDUCED DELAY FROM INPUT TO OUTPUT
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Patent #:
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Issue Dt:
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12/19/1995
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Application #:
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08357953
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Filing Dt:
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12/16/1994
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Title:
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LOW VOLTAGE LINEAR OUTPUT BUFFER OPERATIONAL AMPLIFIER
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Patent #:
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Issue Dt:
|
03/26/1996
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Application #:
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08364436
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Filing Dt:
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12/27/1994
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Title:
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CLOCK SWITCHER CIRCUIT
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Patent #:
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Issue Dt:
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04/07/1998
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Application #:
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08366545
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Filing Dt:
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12/29/1994
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Title:
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BATTERY SWITCHING IN A TELEPHONE SUBSCRIBER LINE INTERFACE CIRCUIT
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Patent #:
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Issue Dt:
|
11/30/1999
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Application #:
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08374191
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Filing Dt:
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01/18/1995
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Title:
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APPARATUS FOR DETECTING AND AVERAGING DATA IN A DIGITAL DATA STREAM
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Patent #:
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Issue Dt:
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04/29/1997
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Application #:
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08389362
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Filing Dt:
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02/16/1995
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Title:
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CURRENT STEERING SEMI-DIGITAL RECONSTRUCTION FILTER
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Patent #:
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Issue Dt:
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12/22/1998
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Application #:
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08390320
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Filing Dt:
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02/17/1995
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Title:
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ADAPTIVE ECHO CANCELLATION USED WITH ECHO SUPPRESSION TO REDUCE SHORT AND LONG DURATION ECHOES
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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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08397907
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Filing Dt:
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03/03/1995
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Title:
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CONVERSION OF COMPRESSED SPEECH CODES BETWEEN ATTENUATED AND UNATTENUATED FORMATS
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Patent #:
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Issue Dt:
|
12/10/1996
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Application #:
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08398295
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Filing Dt:
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03/03/1995
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Title:
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DC LEVEL CONTROL FOR AN ELECTRONIC TELEPHONE LINE CARD
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|
|
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Patent #:
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Issue Dt:
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11/23/1999
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Application #:
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08399497
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Filing Dt:
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03/07/1995
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Title:
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SYSTEM AND METHOD FOR ENHANCED SPEECH QUALITY IN VOICE STORAGE AND RETRIEVAL SYSTEMS
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Patent #:
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Issue Dt:
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07/23/1996
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Application #:
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08402721
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Filing Dt:
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03/13/1995
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Title:
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METAL PROGRAMMED TRANSISTOR ARRAY
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|
|
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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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08445236
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Filing Dt:
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05/19/1995
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Title:
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TELEPHONE RINGING SIGNAL DETECTOR
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|
|
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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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08457668
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Filing Dt:
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06/01/1995
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Title:
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INTEGRATED RING SENSOR WITH FAULT DETECTION
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Patent #:
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Issue Dt:
|
09/19/2000
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Application #:
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08463683
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Filing Dt:
|
06/05/1995
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Title:
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SELF-TESTING DATA MODULATOR
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|
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Patent #:
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Issue Dt:
|
08/11/1998
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Application #:
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08483619
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Filing Dt:
|
06/07/1995
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Title:
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VARIABLE FREQUENCY CLOCK GENERATION CIRCUIT USING APERIODIC PATTERNS
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|
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Patent #:
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Issue Dt:
|
06/03/1997
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Application #:
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08483868
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Filing Dt:
|
06/07/1995
|
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Title:
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INTEGRATED RING DETECTION CIRCUIT AND POWER CROSS DETECTION CIRCUIT WITH PERSISTENCE TIMERS
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|
|
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Patent #:
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|
Issue Dt:
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06/10/1997
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Application #:
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08487999
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Filing Dt:
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06/07/1995
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Title:
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PROTECTION CIRCUIT FOR TELEPHONE SYSTEMS
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|
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Patent #:
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Issue Dt:
|
02/18/1997
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Application #:
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08499315
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Filing Dt:
|
07/07/1995
|
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Title:
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CASCODE OPERATIONAL AMPLIFIER WITH MULTIPLE INPUT STAGE
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Patent #:
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Issue Dt:
|
10/07/1997
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Application #:
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08504502
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Filing Dt:
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07/20/1995
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Title:
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EXTENDED CHIP SELECT RESET APPARATUS AND METHOD
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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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08506287
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Filing Dt:
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07/24/1995
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Title:
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OVERVOLTAGE PROTECTOR
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|
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Patent #:
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Issue Dt:
|
12/03/1996
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Application #:
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08510139
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Filing Dt:
|
08/03/1995
|
|
Title:
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IMPLEMENTATION AND METHOD FOR A DIGITAL SIGMA-DELTA MODULATOR
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|
|
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Patent #:
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|
Issue Dt:
|
07/30/1996
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Application #:
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08511085
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Filing Dt:
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08/03/1995
|
|
Title:
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ANALOG VOLTAGE REFERENCE GENERATOR SYSTEM
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|
|
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Patent #:
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|
Issue Dt:
|
11/30/1999
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Application #:
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08526834
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Filing Dt:
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09/12/1995
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|
Title:
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APPARATUS AND METHOD FOR A COMBINATION D/A CONVERTER AND FIR FILTER EMPLOYING ACTIVE CURRENT DIVISION FROM A SINGLE CURRENT SOURCE
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|
|
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Patent #:
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|
Issue Dt:
|
11/17/1998
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Application #:
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08531049
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Filing Dt:
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09/20/1995
|
|
Title:
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RECEIVER QUALITY MEASUREMENT SYSTEM FOR USE IN DIGITAL CORDLESS TELEPHONES AND LIKE APPARATUS
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|
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|
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Patent #:
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|
Issue Dt:
|
05/27/1997
|
Application #:
|
08548676
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Filing Dt:
|
10/26/1995
|
|
Title:
|
NON-MODULO POWER OF 2 FREQUENCY DIVIDER
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|
|
|
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Patent #:
|
|
Issue Dt:
|
03/24/1998
|
Application #:
|
08555685
|
Filing Dt:
|
11/14/1995
|
|
Title:
|
DSP ARCHITECTURE FOR A FIR-TYPE FILTER AND METHOD
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