Light measuring device

Details Light measuring device Light measuring device

1986-02-24

1987-07-21

McGraw, Vincent P.

Optics: measuring and testing

Photometers

Photoelectric

250214P, 354432, 354434, G01J 144

Patent

active

046814418

ABSTRACT:
A light measuring device which is provided with a plurality of light sensitive elements and is arranged to selectively detect outputs of these light sensitive elements includes means for short-circuiting both terminals of the light sensitive element not required for detection in a light measuring mode selected out of different light measuring modes.

REFERENCES:
patent: 3700319 (1972-10-01), Gallina
patent: 3753388 (1973-08-01), Toyoda
patent: 3781119 (1973-12-01), Mori
patent: 3855604 (1974-12-01), Krause
patent: 3877039 (1975-04-01), Ichinohe et al.
patent: 3889276 (1975-06-01), Shirai
patent: 3973266 (1976-08-01), Kakunodate et al.
patent: 4289389 (1981-09-01), Kobori et al.
patent: 4306807 (1981-12-01), Sakane et al.

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