Inventor · disambiguated record
Gary J. Sgrignoli
Also filed as: SGRIGNOLI GARY · SGRIGNOLI GARY J
38 granted patents·1,147 citations·filing 1983–2003
98Inventor score
Files withZENITH ELECTRONICS CORP37
Top patents by PatentIndex Score
38 records- 0197US5087975AVSB HDTV transmission system with reduced NTSC co-channel interferenceZENITH ELECTRONICS CORP·Filed 1990·Granted Feb 11, 1992·278 cites·38 claims
- 0292US4771458ASecure data packet transmission system and methodZENITH ELECTRONICS CORP·Filed 1987·Granted Sep 13, 1988·90 cites·17 claims
- 0384US5181112ATelevision signal transmission system with carrier offset compensationZENITH ELECTRONICS CORP·Filed 1991·Granted Jan 19, 1993·63 cites·53 claims
- 0482US5598220ADigital signal with multilevel symbols and sync recognitionZENITH ELECTRONICS CORP·Filed 1994·Granted Jan 28, 1997·57 cites·74 claims
- 0581US5410368ACarrier acquisition by applying substitute pilot to a synchronous demodulator during a start up intervalZENITH ELECTRONICS CORP·Filed 1993·Granted Apr 25, 1995·45 cites·32 claims
- 0679US5565932AAGC system with pilot using digital data referenceZENITH ELECTRONICS CORP·Filed 1994·Granted Oct 15, 1996·84 cites·22 claims
- 0775US5821988ANTSC co-channel interference reduction systemZENITH ELECTRONICS CORP·Filed 1995·Granted Oct 13, 1998·48 cites·31 claims
- 0874US6069524AFPLL with third multiplier in an analog input signalZENITH ELECTRONICS CORP·Filed 1998·Granted May 30, 2000·36 cites·7 claims
- 0974US5534938ADigital TV system using segment and field sync signalsFiled 1994·Granted Jul 9, 1996·34 cites·26 claims
- 1073US5329319AStabilized frequency and phase locked loop with saw devices on common substrateZENITH ELECTRONICS CORP·Filed 1992·Granted Jul 12, 1994·34 cites·3 claims
- 1173US4586078ACATV upstream signal transmission at nonharmonic video frequenciesZENITH ELECTRONICS CORP·Filed 1983·Granted Apr 29, 1986·21 cites·1 claims
- 1270US7313208B2Pre-equalization for low-cost DTV translatorsZENITH ELECTRONICS CORP·Filed 2003·Granted Dec 25, 2007·13 cites·23 claims
- 1370US5594496ADetection of co-channel interference in digital television signalsZENITH ELECTRONICS CORP·Filed 1995·Granted Jan 14, 1997·38 cites·23 claims
- 1470US5260793AReceiver post coder selection circuitZENITH ELECTRONICS CORP·Filed 1992·Granted Nov 9, 1993·29 cites·18 claims
- 1569US5574509AAntenna orientation system for digital TV receiverZENITH ELECTRONICS CORP·Filed 1994·Granted Nov 12, 1996·35 cites·9 claims
- 1668US5416524ADigital television synchronization system and methodZENITH ELECTRONICS CORP·Filed 1992·Granted May 16, 1995·27 cites·72 claims
- 1767US4790010AEnhanced scrambling method and system for TV signalsZENITH ELECTRONICS CORP·Filed 1987·Granted Dec 6, 1988·20 cites·8 claims
- 1862US5638140AFPLL having AFC filter with limited phase shiftZENITH ELECTRONICS CORP·Filed 1995·Granted Jun 10, 1997·22 cites·6 claims
- 1960US4817144ASecure TV scrambling system using framing code switchingZENITH ELECTRONICS CORP·Filed 1987·Granted Mar 28, 1989·16 cites·13 claims
- 2054US5546138AAGC system with overriding, maximum gain during an initial interval to enhance signal acquisitionZENITH ELECTRONICS CORP·Filed 1994·Granted Aug 13, 1996·12 cites·15 claims
- 2153US4876718ASecure data packet transmission system and methodZENITH ELECTRONICS CORP·Filed 1988·Granted Oct 24, 1989·16 cites·12 claims
- 2252US6166594ASelf calibrating demodulator systemZENITH ELECTRONICS CORP·Filed 1999·Granted Dec 26, 2000·19 cites·25 claims
- 2352US5121208AMethod and apparatus for reducing co-channel interference in an HDTV receiverZENITH ELECTRONICS CORP·Filed 1990·Granted Jun 9, 1992·12 cites·12 claims
- 2450US5627604AStabilizing the lock up of a bi-phase stable FPLL by augmenting a recovered DC pilotZENITH ELECTRONICS CORP·Filed 1994·Granted May 6, 1997·11 cites·10 claims
- 2546US5642154ACable maintenance systemZENITH ELECTRONICS CORP·Filed 1994·Granted Jun 24, 1997·9 cites·11 claims
- 2646US4885794AMethod and apparatus for protection of channel access in broadband cable communications systemsZENITH ELECTRONICS CORP·Filed 1987·Granted Dec 5, 1989·8 cites·17 claims
- 2746US4755762ACombined FPLL and PSK data detectorZENITH ELECTRONICS CORP·Filed 1987·Granted Jul 5, 1988·7 cites·5 claims
- 2843US4706284ATelevision signal data transmission systemZENITH ELECTRONICS CORP·Filed 1985·Granted Nov 10, 1987·7 cites·32 claims
- 2942US4653071ACarrier recovery circuit for PSK communication systemZENITH ELECTRONICS CORP·Filed 1984·Granted Mar 24, 1987·8 cites·6 claims
- 3041US4939790APLL frequency stabilization in data packet receiversZENITH ELECTRONICS CORP·Filed 1988·Granted Jul 3, 1990·8 cites·7 claims
- 3139US6295015B1Reference generator for demodulator calibrationZENITH ELECTRONICS CORP·Filed 1999·Granted Sep 25, 2001·9 cites·37 claims
- 3238USRE36992EVSB HDTV transmission system with reduced NTSC co-channel interferenceZENITH ELECTRONICS CORP·Filed 1994·Granted Dec 19, 2000·4 cites·2 claims
- 3338US5699011ADC offset compensation method and apparatusZENITH ELECTRONICS CORP·Filed 1996·Granted Dec 16, 1997·10 cites·17 claims
- 3436US5675284AFrequency lock indicator for FPLL demodulated signal having a pilotZENITH ELECTRONICS CORP·Filed 1996·Granted Oct 7, 1997·5 cites·10 claims
- 3536US4706283ATelevision signal scrambling systemZENITH ELECTRONICS CORP·Filed 1985·Granted Nov 10, 1987·4 cites·33 claims
- 3635US5745004AFPLL with third multiplier in an AC path in the FPLLZENITH ELECTRONICS CORP·Filed 1996·Granted Apr 28, 1998·5 cites·7 claims
- 3731US5675283APilot recovery and polarity detection systemZENITH ELECTRONICS CORP·Filed 1996·Granted Oct 7, 1997·1 cites·20 claims
- 3831US5668498AControlling FPLL polarity using pilot signal and polarity inverterZENITH ELECTRONICS CORP·Filed 1996·Granted Sep 16, 1997·2 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →