Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4947240 | Method and circuit apparatus for combining two television signals | — | 1990-08-07 |
| 4656502 | Color mixing or interference reduction circuit in color TV decoding circuits | — | 1987-04-07 |
| 4635104 | Method and system for interference suppression in a color television system | — | 1987-01-06 |
| 4496966 | Method for mixing two color television signals | Heinz Hess | 1985-01-29 |
| 4459552 | Low-noise video preamplifier | Klaus Lehmann | 1984-07-10 |
| 4374396 | Chrominance sub-carrier modifier for PAL-color television signals | — | 1983-02-15 |
| 4295156 | Method for producing color television signals | Jurgen Heitmann | 1981-10-13 |
| 4185295 | Method of mixing SECAM color-T.V. signals | Heinz Hess | 1980-01-22 |