Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4887157 | Method and apparatus for improving the resolution of digital signals | Wolfgang Hartnack | 1989-12-12 |
| 4864409 | Television camera acceleration compensation apparatus | Hans-Joachim Platte, Heinz-Werner Keesen, Martin Plantholt, Dieter Haupt | 1989-09-05 |
| 4860097 | Transformation circuit | Wolfgang Hartnack, Werner Keesen | 1989-08-22 |