Photometric device for a camera

Details Photometric device for a camera Photometric device for a camera

1976-04-01

1978-12-12

Gellner, Michael L.

354 51, 354 60L, G03B 708

Patent

active

041293665

ABSTRACT:
A photometric device for a camera, wherein there are provided a photometric circuit having a photo-electric conversion element of quick photo-responsive characteristic so as to convert light from an object to be photographed into a photo-electric output signal, and a capacitor and resistor for attenuating amplitude of an alternating current component having a frequency as high as an integral multiple of the frequency of a commercial power source in an output signal from the photometric circuit.

REFERENCES:
patent: 3850530 (1974-11-01), Uno et al.
patent: 3964076 (1976-06-01), Ichihashi
patent: 3975746 (1976-08-01), Beppu
patent: 3977011 (1976-08-01), Matsuda

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