Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885737 | Echo canceler having simplified calculation circuits | — | 1989-12-05 |
| 4862450 | Arrangement for cancelling a composite echo signal | — | 1989-08-29 |
| 4785445 | Method of manufacturing BaPb.sub.1-x Bi.sub.x O.sub.3 single crystal | — | 1988-11-15 |
| 4645884 | Method and apparatus for initializing filter coefficients in an echo canceller | Bahman Barazeche, Roger P. J. Alexis | 1987-02-24 |
| 4621173 | Method of reducing the convergence time of an echo canceller and apparatus for carrying out said method | — | 1986-11-04 |
| 4577309 | Method and apparatus for measuring distant echo delay in an echo cancelling arrangement | Bahman Barazeche, Roger P. J. Alexis | 1986-03-18 |
| 4577329 | Self-adaptive equalizer for baseband data signals | Richard Brie | 1986-03-18 |
| 4571465 | Echo canceller for a baseband data signal | Richard Brie | 1986-02-18 |
| 4571720 | Method and apparatus for reducing the convergence time of an echo canceller | Jean-Philippe J. Chevreau | 1986-02-18 |
| 4549049 | Arrangement for testing a device provided with an echo canceller | — | 1985-10-22 |
| 4531220 | Receiver for a data transmission modem, comprising an echo canceller and an equalizer | Richard Brie | 1985-07-23 |
| 4355406 | Carrier detector in a modem provided with an echo canceler | — | 1982-10-19 |
| 4229825 | Synchronizing circuit for a digital arrangement | — | 1980-10-21 |