| Patent | Date |
|---|
Method and apparatus for identifying video fields produced by film sources
Grant 5,689,301 - Christopher , et al. November 18, 1 | 1997-11-18 |
Method and apparatus for identifying video fields produced by film sources employing 2-2 and 3-2 pull down sequences
Grant 5,563,651 - Christopher , et al. October 8, 1 | 1996-10-08 |
Non-linear contrast control apparatus with pixel distribution measurement for video display system
Grant 5,422,680 - Lagoni , et al. June 6, 1 | 1995-06-06 |
Motion adaptive video processing system
Grant 5,412,436 - Christopher May 2, 1 | 1995-05-02 |
Two stage interpolation system
Grant 5,351,087 - Christopher , et al. September 27, 1 | 1994-09-27 |
Apparatus for identifying standard and non-standard video signals
Grant 5,166,781 - Walby , et al. November 24, 1 | 1992-11-24 |
Dual band progressive television system with noise reduction
Grant 5,130,798 - Christopher July 14, 1 | 1992-07-14 |
Video noise reduction system employing plural frequency bands
Grant 5,119,195 - Christopher June 2, 1 | 1992-06-02 |
Signal clamp circuitry for analog-to-digital converters
Grant 5,084,700 - Christopher January 28, 1 | 1992-01-28 |
Sigma-delta modulator for D-to-A converter
Grant 4,901,077 - Christopher February 13, 1 | 1990-02-13 |
Bit-serial integrator circuitry
Grant 4,841,466 - Christopher June 20, 1 | 1989-06-20 |
Block oriented random access memory able to perform a data read, a data write and a data refresh operation in one block-access time
Grant 4,823,302 - Christopher April 18, 1 | 1989-04-18 |
Dual port video memory system having a bit-serial address input port
Grant 4,821,226 - Christopher , et al. April 11, 1 | 1989-04-11 |
Sampled data subsampling apparatus
Grant 4,819,252 - Christopher April 4, 1 | 1989-04-04 |
Digital signal gain control circuitry for varying digital signals in substantially equal db steps
Grant 4,731,851 - Christopher March 15, 1 | 1988-03-15 |
Digital delay interpolation filter with amplitude and phase compensation
Grant 4,694,414 - Christopher September 15, 1 | 1987-09-15 |
Horizontal compression of pixels in a reduced-size video image utilizing cooperating subsampling and display rates
Grant 4,656,515 - Christopher April 7, 1 | 1987-04-07 |
Vertical subsampling and memory synchronization system for a picture within a picture television receiver
Grant 4,656,516 - Fling , et al. April 7, 1 | 1987-04-07 |
Filtering system for processing a reduced-resolution video image
Grant 4,652,908 - Fling , et al. March 24, 1 | 1987-03-24 |
Timing correction for a picture-in-picture television system
Grant 4,638,360 - Christopher , et al. January 20, 1 | 1987-01-20 |
Progressive scan television receiver for non-standard signals
Grant 4,593,315 - Willis , et al. June 3, 1 | 1986-06-03 |
DC Motor servo system
Grant 4,494,052 - Kelleher , et al. January 15, 1 | 1985-01-15 |
Bias supply for A.C. line powered apparatus
Grant 4,481,429 - Christopher November 6, 1 | 1984-11-06 |
Video apparatus having improved antenna transfer switching system
Grant 4,432,015 - Lambert , et al. February 14, 1 | 1984-02-14 |
Digital on video recording and playback system
Grant 4,419,699 - Christopher , et al. December 6, 1 | 1983-12-06 |
Apparatus for advancing a video disc pickup transducer beyond a disc record defect
Grant 4,375,094 - Kelleher , et al. February 22, 1 | 1983-02-22 |
Error coding for video disc system
Grant 4,309,721 - Christopher January 5, 1 | 1982-01-05 |
Stylus position sensing apparatus for video disc player
Grant 4,280,023 - Christopher July 21, 1 | 1981-07-21 |
Nested loop video disc servo system
Grant 4,247,866 - Wilber , et al. January 27, 1 | 1981-01-27 |
FM Signal demodulator with defect detection
Grant 4,203,134 - Christopher , et al. May 13, 1 | 1980-05-13 |
Astable Multivibrator Circuit With Means For Ensuring Proper Starting Of Oscillations
Grant 3,688,154 - Christopher August 29, 1 | 1972-08-29 |
Frequency Controlled Oscillator
Grant 3,611,176 - Christopher October 5, 1 | 1971-10-05 |
| 