Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4831624 | Error detection method for sub-band coding | Michael McLaughlin | 1989-05-16 |
| 4805193 | Protection of energy information in sub-band coding | Michael McLaughlin | 1989-02-14 |
| 4802171 | Method for error correction in digitally encoded speech | — | 1989-01-31 |