Film sensitivity setting device

Details Film sensitivity setting device Film sensitivity setting device

1975-05-21

1976-05-11

Hix, L. T.

354 58, G03B 1700

Patent

active

039567630

ABSTRACT:
A film sensitivity setting device is provided for adjusting an automatic exposure control device of a camera in order to intentionally cause over- or under-exposure. The setting device includes a manually operable ring which is rotatable for varying the resistance value of the exposure control device as a function of its position, a locking member integrally rotatable with the manually operable ring, and a locking mechanism for locking the locking member at every position corresponding to a set film sensitivity value. A manually operable intermediate member couples the manually operable ring with the locking member so that they rotate together and disengage from the locking member, when operated, to permit the manually operable ring to move independently of the locking member for enabling an over- or under-exposure adjustment.

REFERENCES:
patent: 2976788 (1961-03-01), Rentschler
patent: 3183807 (1965-05-01), Steisslinger
patent: 3303765 (1967-02-01), Jakob et al.
patent: 3505942 (1970-04-01), Ort
patent: 3668993 (1972-06-01), Kurie
patent: 3742824 (1973-07-01), Veda et al.
patent: 3839723 (1974-10-01), Uno
patent: 3843249 (1974-10-01), Kitaura

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