Indication system of a camera

Details Indication system of a camera Indication system of a camera

1975-03-03

1977-06-28

Adams, Russell E.

354 51, 354 53, 354 60A, 354 60L, G03B 1720

Patent

active

040329330

ABSTRACT:
A camera having an indication system to determine suitable diaphragm aperture value by measuring the light penetrating through a photographing lens and to indicate the same digitally, wherein when said diaphragm aperture value exceeds the limit value of exposure control of a camera, a warning indication is given by the indication means to indicate the fact that the diaphragm aperture value is outside of control limit, and the number of input/output lead wires to the indication means is reduced. Thus simplifying the set-up.

REFERENCES:
patent: 3738099 (1973-06-01), Tanaka
patent: 3818495 (1974-06-01), Sagara et al.
patent: 3876876 (1975-04-01), Kitai et al.
patent: 3879723 (1975-04-01), Hornung
patent: 3895875 (1975-07-01), Kitaura et al.
patent: 3909137 (1975-09-01), Kisanuki
IBM Technical Disclosure Bulletin, vol. 6, No. 12, May 1964, pp. 17 & 18.

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