Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4897608 | Circuit arrangement for frequency-modulated picture signals | Karl-Heinz Rehfeldt | 1990-01-30 |
| 4874966 | Multivibrator circuit having compensated delay time | Gunter Hildebrandt, Karl-Heinz Rehfeldt | 1989-10-17 |
| 4851785 | Circuit arrangement for detecting whether a predetermined frequency swing is exceeded | Gunter Hildebrandt, Karl-Heinz Rehfeldt | 1989-07-25 |