| Patent | Date |
|---|
DTV signal with GCR components in plural-data-segment frame headers and receiver apparatus for such signal
Grant 7,038,732 - Limberg , et al. May 2, 2 | 2006-05-02 |
Digital television receiver with match filter responsive to field synchronization code
Grant 6,803,970 - Limberg , et al. October 12, 2 | 2004-10-12 |
Decimation of baseband DTV signals prior to channel equalization in digital television signal receivers
Grant RE38,456 - Patel , et al. March 9, 2 | 2004-03-09 |
Product authentication
App 20030236165 - Peebles, Jan L. ; et al. | 2003-12-25 |
Digital television receivers that digitize final I-F signals resulting from triple-conversion
Grant 6,545,728 - Patel , et al. April 8, 2 | 2003-04-08 |
Passband equalizers with filter coefficients calculated from modulated carrier signals
Grant 6,535,553 - Limberg , et al. March 18, 2 | 2003-03-18 |
Receiver for QAM digital television signals
Grant 6,526,101 - Patel February 25, 2 | 2003-02-25 |
DTV receiver with low-band final I-F signal filtered for suppressing co-channel interfering NTSC audio carrier
Grant 6,426,780 - Limberg , et al. July 30, 2 | 2002-07-30 |
TV receiver having kinescope with 16:9 aspect ratio screen and dot pitch for 480 lines per frame resolution
Grant 6,396,542 - Patel May 28, 2 | 2002-05-28 |
Radio receivers for receiving both VSB and QAM digital television signals with carriers offset by 2.69 MHz
Grant 6,333,767 - Patel , et al. December 25, 2 | 2001-12-25 |
TV reception apparatus using same ghost-cancellation circuitry for receiving different types of TV signals
Grant 6,313,882 - Limberg , et al. November 6, 2 | 2001-11-06 |
DTV receiver with baseband equalization filters for QAM signal and for VSB signal which employ common elements
Grant 6,313,885 - Patel , et al. November 6, 2 | 2001-11-06 |
TV receiver equalizer storing channel characterizations for each TV channel between times of reception therefrom
Grant 6,222,592 - Patel April 24, 2 | 2001-04-24 |
Reception mode control in radio receivers for receiving both VSB and QAM digital television signals
Grant 6,137,545 - Patel , et al. October 24, 2 | 2000-10-24 |
System for recording and reproducing a wide bandwidth video signal via a narrow bandwidth medium
Grant 6,134,373 - Strolle , et al. October 17, 2 | 2000-10-17 |
Digital television receiver with equalization performed on digital intermediate-frequency signals
Grant 6,124,898 - Patel , et al. September 26, 2 | 2000-09-26 |
Cooling system for stand-alone battery cabinets
Grant 6,123,266 - Bainbridge , et al. September 26, 2 | 2000-09-26 |
Training signal in plural PN sequences near beginnings of data segments of DTV signal or scan lines of NTSC signal
Grant 6,118,495 - Limberg , et al. September 12, 2 | 2000-09-12 |
System for controlling the operating mode of an adaptive equalizer within a digital TV signal receiver
Grant 5,999,223 - Patel , et al. December 7, 1 | 1999-12-07 |
Decimation of baseband DTV signals prior to channel equalization in digital television signal receivers
Grant 5,966,188 - Patel , et al. October 12, 1 | 1999-10-12 |
Reception mode control in radio receivers for receiving both VSB and QAM digital television signals
Grant 5,959,699 - Patel , et al. September 28, 1 | 1999-09-28 |
Automatic gain control of radio receiver for receiving digital high-definition television signals
Grant 5,636,252 - Patel , et al. June 3, 1 | 1997-06-03 |
Ghost-cancelation reference signal acquisition circuitry, as for TV receiver or video recorder
Grant 5,600,380 - Patel , et al. February 4, 1 | 1997-02-04 |
Digital VSB detector with bandpass phase tracker using rader filters, as for use in an HDTV receiver
Grant 5,548,617 - Patel , et al. August 20, 1 | 1996-08-20 |
HDTV signal receiver with imaginary-sample-presence detector for QAM/VSB mode selection
Grant 5,506,636 - Patel , et al. April 9, 1 | 1996-04-09 |
System, apparatus and method for canceling televison ghost signals
Grant 5,481,316 - Patel January 2, 1 | 1996-01-02 |
Digital VSB detector with bandpass phase tracker, as for inclusion in an HDTV receiver.
Grant 5,479,449 - Patel , et al. December 26, 1 | 1995-12-26 |
Apparatus for processing modified NTSC television signals, with digital signals buried therewithin
Grant 5,461,426 - Limberg , et al. October 24, 1 | 1995-10-24 |
Estimation of noise using burst gate response to video signal
Grant 5,294,979 - Patel , et al. March 15, 1 | 1994-03-15 |
Video signal recording system enabling limited bandwidth recording and playback
Grant 5,113,262 - Strolle , et al. May 12, 1 | 1992-05-12 |
Video signal interpolator with peaking
Grant 4,862,271 - Smith , et al. August 29, 1 | 1989-08-29 |
Widescreen video signal processor with auxiliary modulated by widescreen information
Grant 4,853,766 - Isnardi , et al. August 1, 1 | 1989-08-01 |
Interstitial signal generating system
Grant 4,731,648 - Bernard , et al. March 15, 1 | 1988-03-15 |
Digital phase locked loop stabilization circuitry using a secondary digital phase locked loop
Grant 4,694,327 - Demmer , et al. September 15, 1 | 1987-09-15 |
Vertical detail information restoration circuit
Grant 4,686,561 - Harwood , et al. August 11, 1 | 1987-08-11 |
Vertical detail enhancer
Grant 4,663,653 - Patel May 5, 1 | 1987-05-05 |
Camera zoom compensator for television stereo audio
Grant 4,594,610 - Patel June 10, 1 | 1986-06-10 |
Buzz reduction for intercarrier type television sound detection
Grant 4,513,323 - Patel April 23, 1 | 1985-04-23 |
| 