Patent US 4858142A
| Patent number | US 4858142A (click link for details and documents via Google Patents) |
|---|---|
| Title | Digitizer effective resolution measurement system using sinewave parameter estimation |
| Inventors | Yih-Chyun Jenq, Phil Crosby |
| Company | Tektronix Inc |
| Filing date | 1987-08-05 |
| Grant date | 1989-08-15 |