Photographing apparatus

Details Photographing apparatus Photographing apparatus

1980-09-30

1982-12-14

Gellner, Michael L.

354 51, G03B 7093

Patent

active

043635415

ABSTRACT:
A photographing apparatus employs a real time photometry technique, and includes a central processing unit to which information concerning the characteristic of a film such as a film speed and other information relating to photographing conditions are supplied through input means. The central processing unit selectively controls the connection of integrating capacitors in an integrating circuit on the basis of such input information, and accurately derives an expected exposure period and the remainder of the exposure period. Also, a display of various information is permitted.

REFERENCES:
patent: 3842425 (1974-10-01), Kitai
patent: 3914776 (1975-10-01), Tsujimoto et al.
patent: 4064517 (1977-12-01), Maitani et al.
patent: 4158492 (1979-06-01), Kitaura et al.
patent: 4176929 (1979-12-01), Ito et al.

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