Bypass circuits for improving the response of electric shutters

Details Bypass circuits for improving the response of electric shutters Bypass circuits for improving the response of electric shutters

1975-07-25

1977-11-22

Miller, Jr., George H.

354 51, G03B 708

Patent

active

040598357

ABSTRACT:
An electric shutter circuit employs a photodiode which forms the collector load of a logarithmic amplifier. The photodiode is shunted with an active device which is caused to conduct during shutter operation to supply an additional current to the logarithmic amplifier to permit a rapid shutter response by assuring the rapid discharge of a memory storage capacitor.

REFERENCES:
patent: 3690230 (1972-09-01), Mori et al.

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