Camera capable of outputting brightness and measured distance in

Details Camera capable of outputting brightness and measured distance in Camera capable of outputting brightness and measured distance in

1992-06-02

1994-02-01

Perkey, W. B.

354468, 354471, G03B 1336, G03B 1718

Patent

active

052836088

ABSTRACT:
A camera capable of outputting brightness and distance information comprising a microcomputer, a battery checking circuit, an autofocusing circuit, an infrared-emitting circuit, a light receiving element PSD, a light intensity measuring circuit, a LCD driving circuit and a LCD. The camera provides a user with information about an exact distance from an object without using any extra device and with information about present light intensity by outputting to a display device attached to the camera.

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patent: 4591257 (1986-05-01), Sawano
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patent: 4754296 (1988-06-01), Neely
patent: 4843416 (1989-06-01), Brower
patent: 4855585 (1989-08-01), Nonaka
patent: 4998125 (1991-03-01), Watanabe et al.
patent: 5070357 (1991-12-01), Kazami et al.
patent: 5136327 (1992-08-01), Ogawa

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