Patent US 3355620A
Patent number | US 3355620A (click link for details and documents via Google Patents) |
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Title | Pulse counter tube employing voltage feedback from target to beam deflection electrodes isolated from any d. c. reference voltage |
Inventors | Dick Ropiequet |
Company | Tektronix Inc |
Filing date | 1963-12-02 |
Grant date | 1967-11-28 |