Patent US 4677340A
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| Patent number | US 4677340A (click link for details and documents via Google Patents) |
|---|---|
| Title | Method and apparatus for calibrating deflection in an oscilloscope |
| Inventors | Lawrence J. Miller, Donald P. Chitwood |
| Company | Tektronix Inc |
| Filing date | 1984-12-24 |
| Grant date | 1987-06-30 |