Patent US 3229212A
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| Patent number | US 3229212A (click link for details and documents via Google Patents) |
|---|---|
| Title | Direct sampling apparatus |
| Inventors | John V Rogers |
| Company | Tektronix Inc |
| Filing date | 1963-02-18 |
| Grant date | 1966-01-11 |
Describes a sampling probe with a four-diode sampling gate.