Camera and electronic flash combination

Details Camera and electronic flash combination Camera and electronic flash combination

1979-06-11

1982-12-14

Gellner, Michael L.

354 33, 354139, 354145, G03B 7081, G03B 1505

Patent

active

043635423

ABSTRACT:
A camera and electronic flash combination is provided which permits the electrical circuits of a camera and an electronic flash to be coupled to each other through four terminals, thus achieving an efficient transfer of signal between both units. The electronic flash includes an illumination control circuit which can be controlled by an illumination control signal from the camera, preferentially from an output from a photometric circuit contained in the electronic flash, by an operation of a changeover switch which is disposed within the camera.

REFERENCES:
patent: 3779142 (1973-12-01), Yata et al.
patent: 4016575 (1977-04-01), Uchiyama et al.
patent: 4047194 (1977-09-01), Nakamura et al.
patent: 4159168 (1979-06-01), Sumi et al.

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