Structure for mounting components for single lens reflex cameras

Details Structure for mounting components for single lens reflex cameras Structure for mounting components for single lens reflex cameras

1975-03-10

1976-12-21

O'Connor, Edna M.

354 50, 354152, G03B 700, G03B 1912

Patent

active

039991946

ABSTRACT:
A pentagonal prism holder retains a pentagonal prism in a given position above a focusing glass plate in a single lens reflex camera. A printed base plate holder having a light-receptive element-holding portion, in which at least a single light-receptive element is mounted, supports a printed base plate, on which are disposed electric elements constituting at least part of an electronic shutter controlling circuit. The printed base plate holder is removably mounted on the pentagonal prism holder, such that the light-receptive elements abut respective small prisms which are fixedly mounted on the roof of the pentagonal prism, whereby the light-receptive elements may receive part of the light images from the pentagonal prism.

REFERENCES:
patent: 3603200 (1971-09-01), Heriema
patent: 3732775 (1973-05-01), Warstal
patent: 3812499 (1974-05-01), Hayashi et al.
patent: 3846805 (1974-11-01), Kiyohara et al.
patent: 3866240 (1975-02-01), Tsujimoto

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