P

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 patents
US6996133B2Feb 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 patents

ZENITH ELECTRONICS LLC

2 patents

MICRONAS SEMICONDUCTORS INC

1 patent

(unassigned)

1 patent

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