Issued Patents All Time
Showing 25 most recent of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6784943 | Auxiliary digital data extractor in a television | — | 2004-08-31 |
| 6693678 | Data bus driver having first and second operating modes for coupling data to the bus at first and second rates | William John Testin | 2004-02-17 |
| 6339451 | Graphical on-screen display system | — | 2002-01-15 |
| 5900913 | System providing standby operation of an auxiliary data decoder in a television receiver | — | 1999-05-04 |
| 5673378 | Color coding method for expanding palette by including colors derived by averaging numeric codes of actual palette colors | John Chaney, Billy Wesley Beyers, Jr., Kevin Elliott Bridgewater, James Edwin Hailey, Harold Blatter | 1997-09-30 |
| 5666167 | Bias control apparatus for a data slicer in an auxiliary video information decoder | — | 1997-09-09 |
| 5619275 | TV line and field detection apparatus with good noise immunity | — | 1997-04-08 |
| 5517249 | Auxiliary video data slicer with adaptive slicing level capability | Enrique Rodriguez-Cavazos | 1996-05-14 |
| 5463423 | Auxiliary video data detector and data slicer | — | 1995-10-31 |
| 5453795 | Horizontal line counter insensitive to large phase shifts of video | — | 1995-09-26 |
| 5436668 | Horizontal line counter stabilization in a video receiver | — | 1995-07-25 |
| 5374960 | Auxiliary video information code correction in sync-suppression type scrambled video signals | — | 1994-12-20 |
| 5371545 | Auxiliary video data slicer with adjustable window for detecting the run in clock | — | 1994-12-06 |
| 5303398 | Stability detection method and apparatus for a tuning system | — | 1994-04-12 |
| 5212554 | Digital method and apparatus for evaluating a frequency parameter of an IF signal | — | 1993-05-18 |
| 5163164 | Microprocessor controlled digital AFT unit | — | 1992-11-10 |
| 5157492 | Sync validity detecting utilizing a microcomputer | — | 1992-10-20 |
| 4868892 | Tuning system with provisions for calculating the local oscillator frequency from an aft characteristic | William John Testin, Mark Francis Rumreich | 1989-09-19 |
| 4823387 | Television tuning system with provisions for tuning RF signals with scrambled video information | — | 1989-04-18 |
| 4763195 | Television tuning system with provisions for quickly locating active cable channels | — | 1988-08-09 |
| 4689685 | Television tuning system with AFT provisions | William John Testin | 1987-08-25 |
| 4677484 | Stabilizing arrangement for on-screen display | Robert Alan Pitsch, Billy Wesley Beyers, Jr., Larry G. Moore | 1987-06-30 |
| 4641190 | Muting system | William John Testin | 1987-02-03 |
| 4623925 | Television receiver having character generator with non-line locked clock oscillator | — | 1986-11-18 |
| 4575761 | AFT arrangement for a double conversion tuner | David J. Carlson | 1986-03-11 |