Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4349703 | Programmable ring signal generator | — | 1982-09-14 |
| 4317963 | Subscriber line interface circuit utilizing impedance synthesizer and shared voltage source for loop current regulation control | — | 1982-03-02 |
| 4315106 | Apparatus for regulating current supplied to a telephone line signal of the type employed in digital telephone systems | — | 1982-02-09 |