Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4500869 | Method for conversion of linearly encoded into non-linearly encoded digital signals | — | 1985-02-19 |
| 4467318 | Process for converting linear coded PCM words into non-linear coded PCM words and vice versa | — | 1984-08-21 |
| 4393496 | Method for feeding call progress tones into conference connections | — | 1983-07-12 |
| 4371962 | Circuit arrangement for compensating phase differences of non-synchronous clock pulse rates of a telecommunication system | — | 1983-02-01 |
| 4330854 | Apparatus for generating an exchange pulse train for use in a telecommunications system | — | 1982-05-18 |