Patent US 4772948A
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| Patent number | US 4772948A |
|---|---|
| Title | Method of low cost self-test in a video display system system |
| Inventors | Darrell B. Irvin |
| Company | Tektronix Inc |
| Filing date | 1987-10-26 |
| Grant date | 1988-09-20 |
| Cites |