Issued Patents All Time
Showing 25 most recent of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5943508 | Switcher using shared decompression processors for processing both broadband and compressed video data | Philip S. Crosby | 1999-08-24 |
| 5786871 | Constant luminance corrector | — | 1998-07-28 |
| 5594508 | Decoder using adaptive non-separable digital filter | — | 1997-01-14 |
| 5515112 | Chrominance transition corrector | — | 1996-05-07 |
| 5473361 | Cable television test and measurement system | — | 1995-12-05 |
| 5325131 | Multiformat television switcher | — | 1994-06-28 |
| 5274445 | Three-dimensional testing of video codes | Michael S. Overton, Douglas C. Stevens | 1993-12-28 |
| 5231489 | Moire measurement system using spectral analysis | — | 1993-07-27 |
| 5159435 | Television signal generator | Dennis L. Holmbo, John C. Reynolds | 1992-10-27 |
| 5001549 | Television signal generator | Dennis L. Holmbo, John C. Reynolds | 1991-03-19 |
| 5001670 | Nonvolatile memory protection | Timothy W. Slate | 1991-03-19 |
| 4985702 | Analog to digital converter with second order error correction | — | 1991-01-15 |
| 4914506 | Component color bar alignment test signal | Warren G. Kafer | 1990-04-03 |
| 4908621 | Autocalibrated multistage A/D converter | John D. Polonio, John Lewis | 1990-03-13 |
| 4890158 | Recursive noise reduction filter for video test apparatus | Daniel G. Baker, William J. Cooper | 1989-12-26 |
| 4829366 | Method and apparatus for measuring delay and/or gain difference using two different frequency sources | — | 1989-05-09 |
| 4777522 | Nonstandard video signal detector having h-sync to subcarrier phase detection | Robert W. Parish | 1988-10-11 |
| 4751565 | Microprocessor controlled digital genlock | Patten Atwood Emmons, Timothy W. Slate | 1988-06-14 |
| 4707727 | Apparatus for providing an indication that a color represented by a Y, R-Y, B-Y color television signal is validly reproducible on an RGB color display device | — | 1987-11-17 |
| 4701694 | Digitally selectable, multiple current source proportional to a reference current | Stewart S. Taylor | 1987-10-20 |
| 4638255 | Rectangular wave pulse generators | — | 1987-01-20 |
| 4625238 | Method and apparatus for detecting a dead zone in the transfer function of a signal processing system | — | 1986-11-25 |
| 4613814 | Method of measuring a frequency domain characteristic | — | 1986-09-23 |
| 4605868 | Peak-to-peak detection apparatus | — | 1986-08-12 |
| 4598269 | Method and apparatus for processing an analog signal | — | 1986-07-01 |