Citta; Richard W.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Citta; Richard W..The latest application filed is for "joint preamble and code rate identifier in a mobile dtv system".

Company Profile

0.131.50

Citta; Richard W. - Oak Park IL US
Citta; Richard W - Oak Park IL
Citta; Richard W. - Portland OR

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Preamble for a digital television system Grant 9,414,110 - Citta , et al. August 9, 2	2016-08-09
Joint preamble and code rate identifier in a mobile DTV system Grant 9,391,741 - Markman , et al. July 12, 2	2016-07-12
Preamble identification in a mobile DTV system Grant 9,325,547 - Markman , et al. April 26, 2	2016-04-26
Apparatus and method for communicating burst mode activity Grant 9,078,034 - Citta , et al. July 7, 2	2015-07-07
Apparatus and method for encoding and decoding signals Grant 8,964,831 - Citta , et al. February 24, 2	2015-02-24
Apparatus and method for encoding and decoding signals Grant 8,908,773 - Citta , et al. December 9, 2	2014-12-09
Apparatus and method for encoding and decoding signals Grant 8,873,620 - Citta , et al. October 28, 2	2014-10-28
Apparatus and method for encoding and decoding signals Grant 8,848,781 - Citta , et al. September 30, 2	2014-09-30
Code enhanced equalization based upon a reliability factor Grant 8,718,197 - Citta , et al. May 6, 2	2014-05-06
Robust digital communication system Grant 8,640,001 - Bretl , et al. January 28, 2	2014-01-28
Apparatus for and method of developing equalized values from samples of a signal received from a channel Grant 8,611,408 - Xia , et al. December 17, 2	2013-12-17
Apparatus for and method of controlling sampling frequency and sampling phase of a sampling device Grant 8,483,317 - Zhu , et al. July 9, 2	2013-07-09
Joint Preamble And Code Rate Identifier In A Mobile Dtv System App 20120230437 - Markman; Ivonete ; et al.	2012-09-13
Preamble Identification In A Mobile Dtv System App 20120219071 - Markman; Ivonete ; et al.	2012-08-30
Robust digital communication system Grant 8,238,381 - Bretl , et al. August 7, 2	2012-08-07
Robust digital communication system Grant 8,213,464 - Bretl , et al. July 3, 2	2012-07-03
Robust digital communication system Grant 8,213,466 - Bretl , et al. July 3, 2	2012-07-03
Robust digital communication system Grant 8,213,465 - Bretl , et al. July 3, 2	2012-07-03
Robust digital communication system Grant 8,184,666 - Bretl , et al. May 22, 2	2012-05-22
Code enhanced equalization based upon a reliability factor Grant 8,144,750 - Citta , et al. March 27, 2	2012-03-27
Apparatus for and method of controlling a sampling frequency of a sampling device Grant 8,126,083 - Yang , et al. February 28, 2	2012-02-28
Robust Digital Communication System App 20120033740 - Bretl; Wayne E. ; et al.	2012-02-09
Robust digital communication system Grant 8,081,666 - Bretl , et al. December 20, 2	2011-12-20
Advanced digital receiver Grant 7,995,648 - Xia , et al. August 9, 2	2011-08-09
Robust digital communication system Grant 7,975,204 - Bretl , et al. July 5, 2	2011-07-05
Apparatus for and method of controlling a feedforward filter of an equalizer Grant 7,885,325 - Yang , et al. February 8, 2	2011-02-08
Apparatus And Method For Communicating Burst Mode Activity App 20100299699 - Citta; Richard W. ; et al.	2010-11-25
Preamble For A Digital Television System App 20100296576 - Citta; Richard W. ; et al.	2010-11-25
Apparatus for and method of controlling a feedforward filter of an equalizer Grant 7,822,112 - Yang , et al. October 26, 2	2010-10-26
Code Enhanced Staggercasting App 20100254489 - Citta; Richard W.	2010-10-07
Apparatus And Method For Encoding And Decoding Signals App 20100246663 - Citta; Richard W. ; et al.	2010-09-30
Apparatus And Method For Encoding And Decoding Signals App 20100246664 - Citta; Richard W. ; et al.	2010-09-30
Apparatus And Method For Encoding And Decoding Signals App 20100238995 - Citta; Richard W. ; et al.	2010-09-23
High Definition Television Transmission With Mobile Capability App 20100231803 - Citta; Richard W. ; et al.	2010-09-16
Apparatus And Method For Encoding And Decoding Signals App 20100232495 - Citta; Richard W. ; et al.	2010-09-16
Apparatus And Method For Encoding And Decoding Signals App 20100226443 - Citta; Richard W. ; et al.	2010-09-09
Robust Digital Communication System App 20090180535 - Bretl; Wayne E. ; et al.	2009-07-16
Robust digital communication system Grant 7,558,297 - Bretl , et al. July 7, 2	2009-07-07
Apparatus for and method of controlling a digital demodulator coupled to an equalizer Grant 7,545,888 - Zhu , et al. June 9, 2	2009-06-09
Robust digital communication system Grant 7,519,088 - Bretl , et al. April 14, 2	2009-04-14
Robust Digital Communication System App 20090080537 - Bretl; Wayne E. ; et al.	2009-03-26
Data-directed frequency-and-phase lock loop Grant 7,504,890 - Citta , et al. March 17, 2	2009-03-17
Robust Digital Communication System App 20090024897 - Bretl; Wayne E. ; et al.	2009-01-22
Apparatus for and Method of Controlling a Feedforward Filter of an Equalizer App 20080260014 - Yang; Xiaojun ; et al.	2008-10-23
Combined trellis decoder and decision feedback equalizer Grant 7,418,034 - Xia , et al. August 26, 2	2008-08-26
Advanced Digital Receiver App 20080107168 - Xia; Jingsong ; et al.	2008-05-08
Robust Digital Communication System App 20080107171 - Bretl; Wayne E. ; et al.	2008-05-08
Robust Digital Communication System App 20080089430 - Bretl; Wayne E. ; et al.	2008-04-17
Robust Digital Communication System App 20080089415 - Bretl; Wayne E. ; et al.	2008-04-17
Robust Digital Communication System App 20080092012 - Bretl; Wayne E. ; et al.	2008-04-17
Robust Digital Communication System App 20080089365 - Bretl; Wayne E. ; et al.	2008-04-17
Apparatus for and Method of Developing Equalized Values from Samples of a Signal Received from a Channel App 20080063043 - Xia; Jingsong ; et al.	2008-03-13
Apparatus for and Method of Controlling a Feedforward Filter of an Equalizer App 20080049824 - Yang; Xiaojun ; et al.	2008-02-28
Apparatus for and Method of Controlling a Sampling Frequency of a Sampling Device App 20080049871 - Yang; Xiaojun ; et al.	2008-02-28
Apparatus for and Method of Controlling a Digital Demodulator Coupled to an Equalizer App 20080043884 - Zhu; Jilian ; et al.	2008-02-21
Apparatus For And Method Of Controlling Sampling Frequency And Sampling Phase Of A Sampling Device App 20080008280 - Zhu; Jilian ; et al.	2008-01-10
Multipath ghost eliminating equalizer with optimum noise enhancement Grant 7,305,026 - Citta , et al. December 4, 2	2007-12-04
Data-directed frequency-and-phase lock loop for decoding an offset-QAM modulated signal having a pilot Grant 7,272,203 - Citta , et al. September 18, 2	2007-09-18
Robust digital communication system Grant 7,215,714 - Bretl , et al. May 8, 2	2007-05-08
Error generation for adaptive equalizer Grant 7,190,744 - Xia , et al. March 13, 2	2007-03-13
Robust digital communication system Grant 7,187,698 - Bretl , et al. March 6, 2	2007-03-06
Compound chirp and synchronizer for using same Grant 7,177,343 - Citta , et al. February 13, 2	2007-02-13
Adaptive equalizer having a variable step size influenced by output from a trellis decoder Grant 7,130,344 - Xia , et al. October 31, 2	2006-10-31
Equalizer for time domain signal processing App 20060215748 - Xia; Jingsong ; et al.	2006-09-28
Data-directed frequency-and-phase lock loop App 20060159214 - Citta; Richard W. ; et al.	2006-07-20
Equalizer for time domain signal processing Grant 7,072,392 - Xia , et al. July 4, 2	2006-07-04
Data-directed frequency-and-phase lock loop Grant 6,995,617 - Citta , et al. February 7, 2	2006-02-07
Digital communication system for transmitting and receiving robustly encoded data Grant 6,996,133 - Bretl , et al. February 7, 2	2006-02-07
Data directed frequency acquisition loop that synchronizes to a received signal by using the redundancy of the data in the frequency domain Grant 6,980,059 - Citta , et al. December 27, 2	2005-12-27
Enhanced slice prediction feedback Grant 6,963,618 - Citta , et al. November 8, 2	2005-11-08
Code enhanced equalization based upon a reliability factor Grant 6,947,481 - Citta , et al. September 20, 2	2005-09-20
Ghost eliminating equalizer Grant 6,937,649 - Citta , et al. August 30, 2	2005-08-30
Robust digital communication system App 20050152411 - Breti, Wayne E. ; et al.	2005-07-14
Robust digital communication system App 20050152410 - Bretl, Wayne E. ; et al.	2005-07-14
Multipath ghost eliminating equalizer with optimum noise enhancement Grant 6,904,085 - Citta , et al. June 7, 2	2005-06-07
Data-directed frequency-and-phase lock loop for decoding an offset-QAM modulated signal having a pilot App 20050074082 - Citta, Richard W. ; et al.	2005-04-07
Adaptive equalizer having a variable step size influenced by output from a trellis decoder Grant 6,829,297 - Xia , et al. December 7, 2	2004-12-07
Code enhanced equalization based upon a reliability factor App 20040190662 - Citta, Richard W. ; et al.	2004-09-30
Robust digital communication system App 20040160991 - Bretl, Wayne E. ; et al.	2004-08-19
Multipath ghost eliminating equalizer with optimum noise enhancement Grant 6,754,262 - Citta , et al. June 22, 2	2004-06-22
Adaptive equalizer having a variable step size influenced by output from a trellis decoder App 20040091039 - Xia, Jingsong ; et al.	2004-05-13
Multipath ghost eliminating equalizer with optimum noise enhancement Grant 6,731,682 - Citta , et al. May 4, 2	2004-05-04
Interative decoder Grant 6,725,410 - Citta , et al. April 20, 2	2004-04-20
Ghost eliminating equalizer App 20040047411 - Citta, Richard W. ; et al.	2004-03-11
Ghost eliminating equalizer Grant 6,700,930 - Citta , et al. March 2, 2	2004-03-02
Trellis coded modulation system for digital television signal with trellis coded data and synchronization symbols Grant 6,687,310 - Fimoff , et al. February 3, 2	2004-02-03
System and method for symbol clock recovery App 20030235259 - Xia, Jingsong ; et al.	2003-12-25
Data-directed frequency acquisition loop App 20030214350 - Citta, Richard W. ; et al.	2003-11-20
Data-directed frequency-and-phase lock loop App 20030215044 - Citta, Richard W. ; et al.	2003-11-20
Dual path ghost eliminating equalizer with optimum noise enhancement Grant 6,650,700 - Citta , et al. November 18, 2	2003-11-18
Removal of clock related artifacts from an offset QAM generated VSB signal Grant 6,647,074 - Citta , et al. November 11, 2	2003-11-11
Carrier recovery for DTV receivers App 20030206053 - Xia, Jingsong ; et al.	2003-11-06
Code enhanced equalization based upon a reliability factor App 20030099316 - Citta, Richard W. ; et al.	2003-05-29
Kerdock coding and decoding system for map data Grant 6,563,436 - Fimoff , et al. May 13, 2	2003-05-13
Low cost VBS encoder and RF modulator for supplying VSB baseband signal to RF input of digital television receiver Grant 6,559,898 - Citta , et al. May 6, 2	2003-05-06
Kerdock coding and decoding system for map data App 20030058140 - Fimoff, Mark ; et al.	2003-03-27
Combined trellis decoder and decision feedback equalizer App 20020191689 - Xia, Jingsong ; et al.	2002-12-19
Error generation for adaptive equalizer App 20020191716 - Xia, Jingsong ; et al.	2002-12-19
Adaptive equalizer having a variable step size influenced by output from a trellis decoder App 20020186762 - Xia, Jingsong ; et al.	2002-12-12
Interative decoder App 20020162067 - Citta, Richard W. ; et al.	2002-10-31
Transmission and reception system with guard intervals containing known components unrelated to transmitted data App 20020150170 - Citta, Richard W. ; et al.	2002-10-17
Ghost eliminating equalizer Grant 6,442,221 - Citta , et al. August 27, 2	2002-08-27
Equalizer for time domain signal processing App 20020097795 - Xia, Jingsong ; et al.	2002-07-25
Removal of clock related artifacts from an offset QAM generated VSB signal App 20020034262 - Citta, Richard W. ; et al.	2002-03-21
Robust digital communication system App 20020001349 - Bretl, Wayne E. ; et al.	2002-01-03
Receiver synchronizer Grant 6,304,619 - Citta , et al. October 16, 2	2001-10-16
Detection of code vectors in single frequency, multiple transmitter networks Grant 6,226,318 - Citta , et al. May 1, 2	2001-05-01
VSB HDTV transmission system with reduced NTSC co-channel interference Grant RE36,992 - Citta , et al. December 19, 2	2000-12-19
Synchronous code division multiple access communication system Grant 6,044,083 - Citta , et al. March 28, 2	2000-03-28
Adaptive random access protocol and dynamic search tree expansion resolution for multiple station networks Grant 6,034,967 - Citta , et al. March 7, 2	2000-03-07
Dynamic search tree for resolution of contention between transmitting stations Grant 6,002,691 - Citta , et al. December 14, 1	1999-12-14
Adaptive random access protocol and fixed search tree expansion resolution for multiple station networks Grant 5,978,382 - Citta , et al. November 2, 1	1999-11-02
Adaptive random access protocol for CATV networks Grant 5,956,325 - Citta , et al. September 21, 1	1999-09-21
Two tier adaptive random access protocol Grant 5,949,768 - Citta , et al. September 7, 1	1999-09-07
NTSC co-channel interference reduction system Grant 5,821,988 - Citta , et al. October 13, 1	1998-10-13
Receiver for a trellis coded digital television signal Grant 5,636,251 - Citta , et al. June 3, 1	1997-06-03
ATV/MPEG sync system Grant 5,602,595 - Citta , et al. February 11, 1	1997-02-11
Trellis coded modulation system for digital television signal Grant 5,600,677 - Citta , et al. February 4, 1	1997-02-04
Digital signal with multilevel symbols and sync recognition Grant 5,598,220 - Citta , et al. January 28, 1	1997-01-28
Trellis coded modulation system for HDTV Grant 5,583,889 - Citta , et al. December 10, 1	1996-12-10
Antenna orientation system for digital TV receiver Grant 5,574,509 - Citta , et al. November 12, 1	1996-11-12
AGC system with pilot using digital data reference Grant 5,565,932 - Citta , et al. October 15, 1	1996-10-15
Digital TV system using segment and field sync signals Grant 5,534,938 - Citta , et al. July 9, 1	1996-07-09
System for multiplexed transmission of compressed video and auxiliary data Grant 5,461,619 - Citta , et al. October 24, 1	1995-10-24
Digital transmission system with data rate optimized for noise in transmission medium Grant 5,452,009 - Citta September 19, 1	1995-09-19
Digital data interleaving system with improved error correctability for vertically correlated interference Grant 5,438,369 - Citta , et al. August 1, 1	1995-08-01
Digital television synchronization system and method Grant 5,416,524 - Citta , et al. May 16, 1	1995-05-16
Data compression system having perceptually weighted motion vectors Grant 5,301,019 - Citta April 5, 1	1994-04-05
Bi-rate high definition television signal transmission system Grant 5,285,276 - Citta February 8, 1	1994-02-08
Receiver post coder selection circuit Grant 5,260,793 - Citta , et al. November 9, 1	1993-11-09
Television signal transmission system with carrier offset compensation Grant 5,181,112 - Citta , et al. January 19, 1	1993-01-19
Co-channel interference filter for television receiver Grant 5,162,900 - Citta November 10, 1	1992-11-10
System for peaking a video signal with a control signal representative of the perceptual nature of blocks of video pixels Grant 5,161,015 - Citta , et al. November 3, 1	1992-11-03
HDTV audio subsystem with timing characteristics compatible with video subsystem Grant 5,153,723 - Citta October 6, 1	1992-10-06
HDTV transmission system with reduced susceptibility to NTSC cochannel interference Grant 5,151,785 - Citta September 29, 1	1992-09-29
Television signal transmission system with temporal processing Grant 5,144,431 - Citta , et al. September 1, 1	1992-09-01
Spectrum compatible-HDTV data transmission system Grant 5,136,375 - Citta , et al. August 4, 1	1992-08-04
TV signal transmission systems and methods Grant 5,136,381 - Citta , et al. August 4, 1	1992-08-04
Co-channel interference filter for digital high definition television receiver Grant 5,132,797 - Citta July 21, 1	1992-07-21
Video transmission system using adaptive sub-band coding Grant 5,128,757 - Citta , et al. July 7, 1	1992-07-07
Method and apparatus for reducing co-channel interference in an HDTV receiver Grant 5,121,208 - Citta , et al. June 9, 1	1992-06-09
HDTV transmission system with reduced NTSC CO-channel interference Grant 5,121,203 - Citta June 9, 1	1992-06-09
Method of perceptually modeling a video image signal Grant 5,113,256 - Citta , et al. May 12, 1	1992-05-12
Temporal decorrelation of block artifacts Grant 5,107,348 - Citta , et al. April 21, 1	1992-04-21
Time variable dispersive filter for minimizing ghost interference Grant 5,103,312 - Citta April 7, 1	1992-04-07
VSB HDTV transmission system with reduced NTSC co-channel interference Grant 5,087,975 - Citta , et al. February 11, 1	1992-02-11
Co-channel interference reduction system for digital high definition television Grant 5,086,340 - Citta , et al. February 4, 1	1992-02-04
HDTV system with receivers operable at different levels of resolution Grant 5,049,992 - Citta , et al. September 17, 1	1991-09-17
TV signal transmission systems and methods Grant 5,043,805 - Citta , et al. August 27, 1	1991-08-27
TV signal transmission systems and methods Grant 5,040,063 - Citta , et al. August 13, 1	1991-08-13
High definition television system Grant 5,029,002 - Citta , et al. July 2, 1	1991-07-02
Transmission of a video signal using adaptive delta modulation Grant 5,016,100 - Citta , et al. May 14, 1	1991-05-14
Television signal scrambling system and method Grant 4,995,080 - Bestler , et al. February 19, 1	1991-02-19
Pay per view television signaling method Grant 4,947,429 - Bestler , et al. August 7, 1	1990-08-07
Secure data packet transmission system and method Grant 4,944,006 - Citta , et al. * July 24, 1	1990-07-24
Secure data packet transmission system and method Grant 4,876,718 - Citta , et al. October 24, 1	1989-10-24
Secure TV scrambling system using framing code switching Grant 4,817,144 - Citta , et al. March 28, 1	1989-03-28
Secure data packet transmission system and method Grant 4,771,458 - Citta , et al. September 13, 1	1988-09-13
Television signal data transmission system Grant 4,706,284 - Citta , et al. * November 10, 1	1987-11-10
CATV upstream signal transmission at nonharmonic video frequencies Grant 4,586,078 - Citta , et al. April 29, 1	1986-04-29
Two-way CATV system with AML commands Grant 4,554,579 - Citta November 19, 1	1985-11-19
Upstream data packet time slot synchronization with downstream VBI for two-way CATV system Grant 4,553,161 - Citta November 12, 1	1985-11-12
Peak load access in a two-way CATV contention system Grant 4,528,663 - Citta July 9, 1	1985-07-09
Television signal scrambling system and method Grant 4,467,353 - Citta , et al. August 21, 1	1984-08-21
Variable ramp speed TV tuning system for rapid channel tuning Grant 4,374,437 - Citta , et al. February 15, 1	1983-02-15
Full-wave rectifier circuit Grant 4,158,882 - Citta June 19, 1	1979-06-19
Automatic phase and frequency control system Grant 4,072,909 - Citta February 7, 1	1978-02-07
Electric remote control transmitter Grant 4,021,756 - Podowski , et al. May 3, 1	1977-05-03
Wireless speaker system using infra-red link Grant 3,927,316 - Citta December 16, 1	1975-12-16