Inventor · disambiguated record
Richard W. Citta
Also filed as: CITTA RICHARD W
136 granted patents·5 pending applications·5,187 citations·filing 1975–2009
99Inventor score
Files withZENITH ELECTRONICS CORP93MICRONAS SEMICONDUCTORS INC10CITTA RICHARD W8BRETL WAYNE E7ZENITH RADIO CORP6
Top patents by PatentIndex Score
141 records- 0198US6996133B2Digital communication system for transmitting and receiving robustly encoded dataZENITH ELECTRONICS CORP·Filed 2001·Granted Feb 7, 2006·191 cites·46 claims
- 0297US5600677ATrellis coded modulation system for digital television signalZENITH ELECTRONICS CORP·Filed 1996·Granted Feb 4, 1997·298 cites·26 claims
- 0397US5087975AVSB HDTV transmission system with reduced NTSC co-channel interferenceZENITH ELECTRONICS CORP·Filed 1990·Granted Feb 11, 1992·278 cites·38 claims
- 0496US5602595AATV/MPEG sync systemZENITH ELECTRONICS CORP·Filed 1995·Granted Feb 11, 1997·150 cites·26 claims
- 0596US5583889ATrellis coded modulation system for HDTVZENITH ELECTRONICS CORP·Filed 1994·Granted Dec 10, 1996·246 cites·41 claims
- 0696US4553161AUpstream data packet time slot synchronization with downstream VBI for two-way CATV systemZENITH ELECTRONICS CORP·Filed 1984·Granted Nov 12, 1985·108 cites·16 claims
- 0796US4374437AVariable ramp speed TV tuning system for rapid channel tuningZENITH RADIO CORP·Filed 1980·Granted Feb 15, 1983·118 cites·5 claims
- 0895US4995080ATelevision signal scrambling system and methodZENITH ELECTRONICS CORP·Filed 1990·Granted Feb 19, 1991·188 cites·6 claims
- 0994US7558297B2Robust digital communication systemZENITH ELECTRONICS LLC·Filed 2007·Granted Jul 7, 2009·20 cites·8 claims
- 1094US5636251AReceiver for a trellis coded digital television signalZENITH ELECTRONICS CORP·Filed 1996·Granted Jun 3, 1997·266 cites·12 claims
- 1194US5301019AData compression system having perceptually weighted motion vectorsZENITH ELECTRONICS CORP·Filed 1992·Granted Apr 5, 1994·167 cites·26 claims
- 1293US7215714B2Robust digital communication systemZENITH ELECTRONICS CORP·Filed 2004·Granted May 8, 2007·58 cites·26 claims
- 1393US4947429APay per view television signaling methodZENITH ELECTRONICS CORP·Filed 1989·Granted Aug 7, 1990·120 cites·12 claims
- 1493US4528663APeak load access in a two-way CATV contention systemZENITH ELECTRONICS CORP·Filed 1983·Granted Jul 9, 1985·92 cites·16 claims
- 1592US7975204B2Robust digital communication systemZENITH ELECTRONICS LLC·Filed 2007·Granted Jul 5, 2011·15 cites·8 claims
- 1692US6829297B2Adaptive equalizer having a variable step size influenced by output from a trellis decoderMICRONAS SEMICONDUCTORS INC·Filed 2001·Granted Dec 7, 2004·93 cites·1 claims
- 1792US4771458ASecure data packet transmission system and methodZENITH ELECTRONICS CORP·Filed 1987·Granted Sep 13, 1988·90 cites·17 claims
- 1892US4554579ATwo-way CATV system with AML commandsZENITH ELECTRONICS CORP·Filed 1984·Granted Nov 19, 1985·69 cites·9 claims
- 1991US5438369ADigital data interleaving system with improved error correctability for vertically correlated interferenceZENITH ELECTRONICS CORP·Filed 1992·Granted Aug 1, 1995·120 cites·20 claims
- 2089US7545888B2Apparatus for and method of controlling a digital demodulator coupled to an equalizerMICRONAS SEMICONDUCTORS INC·Filed 2005·Granted Jun 9, 2009·15 cites·29 claims
- 2188US5128757AVideo transmission system using adaptive sub-band codingZENITH ELECTRONICS CORP·Filed 1990·Granted Jul 7, 1992·136 cites·45 claims
- 2288US5086340ACo-channel interference reduction system for digital high definition televisionZENITH ELECTRONICS CORP·Filed 1990·Granted Feb 4, 1992·94 cites·32 claims
- 2388US4944006ASecure data packet transmission system and methodZENITH ELECTRONICS CORP·Filed 1989·Granted Jul 24, 1990·113 cites·9 claims
- 2487US4091410AFrequency and phase lock loop synchronous detecting system having a pair of phase lock conditionsZENITH RADIO CORP·Filed 1976·Granted May 23, 1978·35 cites·9 claims
- 2586US6034967AAdaptive random access protocol and dynamic search tree expansion resolution for multiple station networksZENITH ELECTRONICS CORP·Filed 1996·Granted Mar 7, 2000·97 cites·61 claims
- 2684US7187698B2Robust digital communication systemZENITH ELECTRONICS CORP·Filed 2005·Granted Mar 6, 2007·10 cites·20 claims
- 2784US6563436B2Kerdock coding and decoding system for map dataZENITH ELECTRONICS CORP·Filed 2001·Granted May 13, 2003·25 cites·78 claims
- 2884US5181112ATelevision signal transmission system with carrier offset compensationZENITH ELECTRONICS CORP·Filed 1991·Granted Jan 19, 1993·63 cites·53 claims
- 2984US5040063ATV signal transmission systems and methodsZENITH ELECTRONICS CORP·Filed 1989·Granted Aug 13, 1991·43 cites·23 claims
- 3083US6044083ASynchronous code division multiple access communication systemZENITH ELECTRONICS CORP·Filed 1996·Granted Mar 28, 2000·81 cites·58 claims
- 3183US5949768ATwo tier adaptive random access protocolZENITH ELECTRONICS CORP·Filed 1997·Granted Sep 7, 1999·65 cites·52 claims
- 3283US5283653ADual HDTV/NTSC receiver using sequentially synthesized HDTV and NTSC co-channel carrier frequenciesZENITH ELECTRONICS CORP·Filed 1992·Granted Feb 1, 1994·58 cites·8 claims
- 3383US5049992AHDTV system with receivers operable at different levels of resolutionZENITH ELECTRONICS CORP·Filed 1990·Granted Sep 17, 1991·90 cites·49 claims
- 3482US5598220ADigital signal with multilevel symbols and sync recognitionZENITH ELECTRONICS CORP·Filed 1994·Granted Jan 28, 1997·57 cites·74 claims
- 3582US5461619ASystem for multiplexed transmission of compressed video and auxiliary dataZENITH ELECTRONICS CORP·Filed 1993·Granted Oct 24, 1995·74 cites·16 claims
- 3681US8126083B2Apparatus for and method of controlling a sampling frequency of a sampling deviceYANG XIAOJUN·Filed 2005·Granted Feb 28, 2012·7 cites·48 claims
- 3781US7995648B2Advanced digital receiverTRIDENT MICROSYSTEMS FAR EAST·Filed 2005·Granted Aug 9, 2011·11 cites·19 claims
- 3881US6947481B1Code enhanced equalization based upon a reliability factorZENITH ELECTRONICS CORP·Filed 2000·Granted Sep 20, 2005·28 cites·60 claims
- 3981US6687310B1Trellis coded modulation system for digital television signal with trellis coded data and synchronization symbolsZENITH ELECTRONICS CORP·Filed 1999·Granted Feb 3, 2004·114 cites·40 claims
- 4079US5565932AAGC system with pilot using digital data referenceZENITH ELECTRONICS CORP·Filed 1994·Granted Oct 15, 1996·84 cites·22 claims
- 4178US8081666B2Robust digital communication systemBRETL WAYNE E·Filed 2009·Granted Dec 20, 2011·2 cites·27 claims
- 4277US8611408B2Apparatus for and method of developing equalized values from samples of a signal received from a channelXIA JINGSONG·Filed 2005·Granted Dec 17, 2013·6 cites·27 claims
- 4377US7885325B2Apparatus for and method of controlling a feedforward filter of an equalizerTRIDENT MICROSYSTEMS FAR EAST·Filed 2005·Granted Feb 8, 2011·4 cites·24 claims
- 4477US7822112B2Apparatus for and method of controlling a feedforward filter of an equalizerTRIDENT MICROSYSTEMS FAR EAST·Filed 2005·Granted Oct 26, 2010·4 cites·28 claims
- 4577US5978382AAdaptive random access protocol and fixed search tree expansion resolution for multiple station networksZENITH ELECTRONICS CORP·Filed 1996·Granted Nov 2, 1999·56 cites·42 claims
- 4676US8848781B2Apparatus and method for encoding and decoding signalsCITTA RICHARD W·Filed 2008·Granted Sep 30, 2014·3 cites·11 claims
- 4775US8483317B2Apparatus for and method of controlling sampling frequency and sampling phase of a sampling deviceZHU JILIAN·Filed 2005·Granted Jul 9, 2013·5 cites·28 claims
- 4875US5821988ANTSC co-channel interference reduction systemZENITH ELECTRONICS CORP·Filed 1995·Granted Oct 13, 1998·48 cites·31 claims
- 4975US5452009ADigital transmission system with data rate optimized for noise in transmission mediumZENITH ELECTRONICS CORP·Filed 1993·Granted Sep 19, 1995·35 cites·20 claims
- 5075US5285276ABi-rate high definition television signal transmission systemZENITH ELECTRONICS CORP·Filed 1993·Granted Feb 8, 1994·37 cites·45 claims
Showing the top 50 of 141 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Richard W. Citta files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →