Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5373236 | Highly accurate zero crossings for frequency determination | David Tsui, James B. Y. Tsui | 1994-12-13 |
| 5291125 | Instantaneous frequency measurement (IFM) receiver with two signal capability | James B. Y. Tsui | 1994-03-01 |