Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4580237 | Digital tone control arrangement | Petrus J. Berkhout | 1986-04-01 |
| 4231100 | Arrangement for filtering compressed pulse-code-modulated signals | — | 1980-10-28 |
| 4231101 | Digital filter arrangement for non-uniformly quantized PCM | — | 1980-10-28 |
| 4229802 | Digital adding device | — | 1980-10-21 |
| 4204177 | Non-recursive digital filter with reduced output sampling frequency | — | 1980-05-20 |