Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5202766 | Sound channel circuit for digital television receivers | Sonke Mehrgardt, Thomas Hilpert | 1993-04-13 |
| 4947171 | Circuit arrangement for averaging signals during pulse-density D/A or A/D conversion | Werner Reich, Ulrich Theus | 1990-08-07 |
| 4872129 | Digital decimation filter | Werner Reich, Martin Winterer | 1989-10-03 |
| 4757390 | Video recorder with a magnetic recording medium in the form of a tape | Soenke Mehrgardt, Thomas Fischer, Peter M. Flamm | 1988-07-12 |
| 4707666 | Frequency demodulator circuit with zero-crossing counter | Rainer Schweer | 1987-11-17 |
| 4633517 | Circuit for decoding traffic information message tone signals | — | 1986-12-30 |
| 4561115 | Decoder for traffic information regional tone signals | — | 1985-12-24 |
| 4228519 | Monitoring method and system for a parking lot | — | 1980-10-14 |