Issued Patents All Time
Showing 25 most recent of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8195972 | Jitter precorrection filter in time-average-frequency clocked systems | Walter Demmer, Liming Xiu | 2012-06-05 |
| 7532257 | System and implementation for IF compensation for video decoders | Weider Peter Chang, Shereef Shehata | 2009-05-12 |
| 7511769 | Interframe noise reduction for video | Shereef Shehata, Jason Meiners, Weider Peter Chang | 2009-03-31 |
| 7468763 | Method and apparatus for digital MTS receiver | Feng Ying, Weider Peter Chang, Shereef Shehata, Viet Thanh Dinh, Xiaodong Wu +1 more | 2008-12-23 |
| 7453525 | Motion detector for a video display system | Weider Peter Chang, Ramesh Chandrasekaran | 2008-11-18 |
| 7443454 | Method for treating inter-frame motion in a composite video signal | Ramesh Chandrasekaran, Weider Peter Chang | 2008-10-28 |
| 7362380 | Equilibrium based vertical sync phase lock loop for video decoder | Walter Demmer | 2008-04-22 |
| 7355655 | Systems and methods for separating luma and chroma information in a composite video signal | Weider Peter Chang, Ramesh Chandrasekaran, Steven Clynes, Jason Meiners | 2008-04-08 |
| 7274406 | Equilibrium based vertical sync phase lock loop for video decoder | Walter Demmer | 2007-09-25 |
| 7173668 | Equilibrium based horizontal sync detector for video decoder | Walter Demmer, Jason Meiners, Weider Peter Chang, Airong Amy Zhang | 2007-02-06 |
| 7046306 | Processing a video signal using motion estimation to separate luminance information from chrominance information in the video signal | Fan Zhai | 2006-05-16 |
| 6943847 | FM demodulator for SECAM decoder | Walter Demmer | 2005-09-13 |
| 6912012 | Video decoder having lock algorithm that distinguishes between a noisy television signal input and a video recorder signal | Walter Demmer | 2005-06-28 |
| 6839092 | Feed forward error correction in video decoder | — | 2005-01-04 |
| 6690784 | Caller select with memory for telephone number programming and review | Darwin Renner | 2004-02-10 |
| 6459457 | Adaptive color comb filter | Weider Peter Chang, Walter Demmer | 2002-10-01 |
| 6366327 | Vertical sync detection and output for video decoder | Weider Peter Chang | 2002-04-02 |
| 6330034 | Color phase-locked loop for video decoder | Peter Chang | 2001-12-11 |
| 6317161 | Horizontal phase-locked loop for video decoder | Weider Peter Chang | 2001-11-13 |
| 6219107 | Automatic AGC bias voltage calibration in a video decoder | Apparajan Ganesan | 2001-04-17 |
| 6188788 | Automatic color saturation control in video decoder using recursive algorithm | Weider Peter Chang | 2001-02-13 |
| 5036453 | Master/slave sequencing processor | John Shanklin | 1991-07-30 |
| 4796216 | Linear predictive coding technique with one multiplication step per stage | Alec J. Morton | 1989-01-03 |
| 4745544 | Master/slave sequencing processor with forced I/O | John Shanklin | 1988-05-17 |
| 4740906 | Digital lattice filter with multiplexed fast adder/full adder for performing sequential multiplication and addition operations | Alec J. Morton | 1988-04-26 |