Camera with film cassette

Details Camera with film cassette Camera with film cassette

1974-07-23

1977-04-26

Adams, Jr., Russell E.

354 29, 354 34, 354 83, 354129, 354147, G03B 714

Patent

active

040204979

ABSTRACT:
A camera has a cavity for receiving a self-processing film cassette and includes an automatic exposure control circuit and a flash device which are provided with energizing contacts located in the cassette receiving cavity. The film cassette houses a battery connected to contacts mounted on the cassette and engaging the cavity contacts when the cassette is received in the cavity. The exposure circuit responds to a photosensitive element exposed to the objective traversing light reflected by the film at the objective focal plane. The camera includes a synchronous switch whose closing position responds to the focussing of the objective lens.

REFERENCES:
patent: 3529526 (1970-09-01), Wick et al.
patent: 3538827 (1970-11-01), Fuwa
patent: 3630128 (1971-12-01), Kitai
patent: 3638545 (1972-02-01), Kobayashi et al.
patent: 3659508 (1972-05-01), Urano
patent: 3683768 (1972-08-01), Kitai
patent: 3687026 (1972-08-01), Kobayashi et al.
patent: 3710700 (1973-01-01), Nakano
patent: 3750551 (1973-08-01), Land et al.
patent: 3757655 (1973-09-01), Kobayashi
patent: 3763752 (1973-10-01), Ackerman et al.
patent: 3785259 (1974-01-01), Kitai

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