Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5373236 | Highly accurate zero crossings for frequency determination | James B. Y. Tsui, James N. Hedge | 1994-12-13 |
| 5337051 | Approximate zero crossings for frequency determination | — | 1994-08-09 |