Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4645883 | Double talk and line noise detector for a echo canceller | Edwin A. Stennett, Ferial T. El-Mokadem | 1987-02-24 |
| 4609787 | Echo canceller with extended frequency range | — | 1986-09-02 |
| 4600815 | Automatic gain control for echo cancellers and similar adaptive systems | — | 1986-07-15 |
| 4411006 | Digital bit rate synchronizer for digital echo cancellers and similar signal processing devices | — | 1983-10-18 |
| 4377793 | Digital adaptive finite impulse response filter with large number of coefficients | — | 1983-03-22 |
| 4360712 | Double talk detector for echo cancellers | — | 1982-11-23 |
| 4321686 | Correction processor of self-adaptive filters | — | 1982-03-23 |
| 4251802 | Analog to digital converter | — | 1981-02-17 |