Patent US 4629977A
| Patent number | US 4629977A (click link for details and documents via Google Patents) |
|---|---|
| Title | Method and apparatus for measuring the resonant frequency of a high Q resonator |
| Inventors | James D. English |
| Company | Tektronix Inc |
| Filing date | 1985-06-03 |
| Grant date | 1986-12-16 |