Inventor
CITTA RICHARD W
US136 patents
⚠️ This page may combine multiple inventors who share the name “CITTA RICHARD W”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ZENITH ELECTRONICS CORP
44 patentsUS6996133B2Feb 7, 2006
Digital communication system for transmitting and receiving robustly encoded data
ZENITH ELECTRONICS CORP191 citations99
US5636251AJun 3, 1997
Receiver for a trellis coded digital television signal
ZENITH ELECTRONICS CORP266 citations99
US5602595AFeb 11, 1997
ATV/MPEG sync system
ZENITH ELECTRONICS CORP150 citations99
US5600677AFeb 4, 1997
Trellis coded modulation system for digital television signal
ZENITH ELECTRONICS CORP298 citations99
US5583889ADec 10, 1996
Trellis coded modulation system for HDTV
ZENITH ELECTRONICS CORP246 citations99
US5301019AApr 5, 1994
Data compression system having perceptually weighted motion vectors
ZENITH ELECTRONICS CORP167 citations99
US5087975AFeb 11, 1992
VSB HDTV transmission system with reduced NTSC co-channel interference
ZENITH ELECTRONICS CORP278 citations99
US4995080AFeb 19, 1991
Television signal scrambling system and method
ZENITH ELECTRONICS CORP188 citations99
US6687310B1Feb 3, 2004
Trellis coded modulation system for digital television signal with trellis coded data and synchronization symbols
ZENITH ELECTRONICS CORP114 citations98
US6034967AMar 7, 2000
Adaptive random access protocol and dynamic search tree expansion resolution for multiple station networks
ZENITH ELECTRONICS CORP97 citations98
US5128757AJul 7, 1992
Video transmission system using adaptive sub-band coding
ZENITH ELECTRONICS CORP136 citations98
US5438369AAug 1, 1995
Digital data interleaving system with improved error correctability for vertically correlated interference
ZENITH ELECTRONICS CORP120 citations97
US7215714B2May 8, 2007
Robust digital communication system
ZENITH ELECTRONICS CORP58 citations96
US5978382ANov 2, 1999
Adaptive random access protocol and fixed search tree expansion resolution for multiple station networks
ZENITH ELECTRONICS CORP56 citations96
US5949768ASep 7, 1999
Two tier adaptive random access protocol
ZENITH ELECTRONICS CORP65 citations96
US5598220AJan 28, 1997
Digital signal with multilevel symbols and sync recognition
ZENITH ELECTRONICS CORP57 citations96
US5565932AOct 15, 1996
AGC system with pilot using digital data reference
ZENITH ELECTRONICS CORP84 citations96
US5283653AFeb 1, 1994
Dual HDTV/NTSC receiver using sequentially synthesized HDTV and NTSC co-channel carrier frequencies
ZENITH ELECTRONICS CORP58 citations96
US4554579ANov 19, 1985
Two-way CATV system with AML commands
ZENITH ELECTRONICS CORP69 citations96
US4553161ANov 12, 1985
Upstream data packet time slot synchronization with downstream VBI for two-way CATV system
ZENITH ELECTRONICS CORP108 citations96
US4528663AJul 9, 1985
Peak load access in a two-way CATV contention system
ZENITH ELECTRONICS CORP92 citations96
US6044083AMar 28, 2000
Synchronous code division multiple access communication system
ZENITH ELECTRONICS CORP81 citations95
US5181112AJan 19, 1993
Television signal transmission system with carrier offset compensation
ZENITH ELECTRONICS CORP63 citations95
US5086340AFeb 4, 1992
Co-channel interference reduction system for digital high definition television
ZENITH ELECTRONICS CORP94 citations95
US4771458ASep 13, 1988
Secure data packet transmission system and method
ZENITH ELECTRONICS CORP90 citations95
US4947429AAug 7, 1990
Pay per view television signaling method
ZENITH ELECTRONICS CORP120 citations94
US6947481B1Sep 20, 2005
Code enhanced equalization based upon a reliability factor
ZENITH ELECTRONICS CORP28 citations93
US5602583AFeb 11, 1997
NTSC rejection filter with switched tomlinson precoder for reducing NTSC co-channel interference in ATV receivers
ZENITH ELECTRONICS CORP36 citations93
US5574509ANov 12, 1996
Antenna orientation system for digital TV receiver
ZENITH ELECTRONICS CORP35 citations93
US5461619AOct 24, 1995
System for multiplexed transmission of compressed video and auxiliary data
ZENITH ELECTRONICS CORP74 citations93
US5461674AOct 24, 1995
Method and apparatus for controlling playback of recorded HDTV signals
ZENITH ELECTRONICS CORP26 citations93
US5452009ASep 19, 1995
Digital transmission system with data rate optimized for noise in transmission medium
ZENITH ELECTRONICS CORP35 citations93
US5285276AFeb 8, 1994
Bi-rate high definition television signal transmission system
ZENITH ELECTRONICS CORP37 citations93
US5162900ANov 10, 1992
Co-channel interference filter for television receiver
ZENITH ELECTRONICS CORP28 citations93
US5151785ASep 29, 1992
HDTV transmission system with reduced susceptibility to NTSC cochannel interference
ZENITH ELECTRONICS CORP24 citations93
US5144431ASep 1, 1992
Television signal transmission system with temporal processing
ZENITH ELECTRONICS CORP23 citations93
US5132797AJul 21, 1992
Co-channel interference filter for digital high definition television receiver
ZENITH ELECTRONICS CORP32 citations93
US5121203AJun 9, 1992
HDTV transmission system with reduced NTSC CO-channel interference
ZENITH ELECTRONICS CORP36 citations93
US5040063AAug 13, 1991
TV signal transmission systems and methods
ZENITH ELECTRONICS CORP43 citations93
US4944006AJul 24, 1990
Secure data packet transmission system and method
ZENITH ELECTRONICS CORP113 citations93
US6563436B2May 13, 2003
Kerdock coding and decoding system for map data
ZENITH ELECTRONICS CORP25 citations92
US6304619B1Oct 16, 2001
Receiver synchronizer
ZENITH ELECTRONICS CORP41 citations92
US6002691ADec 14, 1999
Dynamic search tree for resolution of contention between transmitting stations
ZENITH ELECTRONICS CORP28 citations92
US5821988AOct 13, 1998
NTSC co-channel interference reduction system
ZENITH ELECTRONICS CORP48 citations92
ZENITH RADIO CORP
2 patentsZENITH ELECTRONICS LLC
2 patentsMICRONAS SEMICONDUCTORS INC
1 patent(unassigned)
1 patentShowing the top 50 of 136 patents by PatentIndex Score.