Issued Patents 1989
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888641 | Extended definition widescreen television system using plural signal transmission channels | Terrence R. Smith, Jack S. Fuhrer, Barbara J. Roeder | 1989-12-19 |
| 4884127 | Apparatus for pre-conditioning auxiliary television signal information | Robert Norman Hurst, Jr. | 1989-11-28 |
| 4862271 | Video signal interpolator with peaking | Terrence R. Smith, Jack S. Fuhrer, Chandrakant B. Patel | 1989-08-29 |
| 4855811 | Apparatus for processing auxiliary information in an extended definition widescreen television system | — | 1989-08-08 |
| 4853766 | Widescreen video signal processor with auxiliary modulated by widescreen information | Chandrakant B. Patel | 1989-08-01 |
| 4845562 | Widescreen television reception and recording system utilizing conventional equipment | Joshua Lawrence Koslov, Robert E. Flory, Edward R. Campbell, III | 1989-07-04 |
| 4839720 | Compatible widescreen television system with auxiliary subcarrier modulated by side panel high frequency information | — | 1989-06-13 |
| 4816899 | Compatible widescreen television system | Christopher H. Strolle, Terrence R. Smith, Barbara J. Roeder | 1989-03-28 |