Radiant energy – Photocells; circuits and apparatus – Photocell controlled circuit
Patent
1980-07-03
1983-01-04
Nelms, David C.
Radiant energy
Photocells; circuits and apparatus
Photocell controlled circuit
313105R, H01J 4014
Patent
active
043674046
ABSTRACT:
Output current hysteresis exhibited by a multiple-dynode photomultiplier detector is reduced by inactivating one or more of the dynodes by shorting to the detector anode, and operating the detector with the reduced number of active dynodes while retaining the anode as the output current supply terminal.
REFERENCES:
patent: 3614646 (1971-10-01), Hansen
patent: 3943458 (1976-03-01), Cohn
patent: 3997779 (1976-12-01), Rabl
"Photomultiplier Tubes" Catalog of Hamamatsu TV Co., Ltd., Tokyo, Japan, Cat. No. SC-1-3, Rev. 2-1979.
Beckman Instruments Inc.
Meads Robert R.
Nelms David C.
Shewmaker John R.
Steinmeyer R. J.
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