Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5054021 | Circuit for nulling the talker's speech in a conference call and method thereof | — | 1991-10-01 |
| 5034947 | Whisper circuit for a conference call bridge including talker nulling and method therefor | — | 1991-07-23 |
| 5029162 | Automatic gain control using root-mean-square circuitry in a digital domain conference bridge for a telephone network | — | 1991-07-02 |