Patent US 4215294A
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| Patent number | US 4215294A (click link for details and documents via Google Patents) |
|---|---|
| Title | Automatic intensity control circuit for an oscilloscope |
| Inventors | John E. Taggart |
| Company | Tektronix Inc |
| Filing date | 1978-10-23 |
| Grant date | 1980-07-29 |