Camera filter positioning apparatus

Details Camera filter positioning apparatus Camera filter positioning apparatus

1975-12-05

1977-01-11

O'Connor, Edna M.

354 59, 354126, G03B 700, G03B 1100

Patent

active

040030628

ABSTRACT:
A camera adapted to selectively receive and expose film having different effective film speeds, under both ambient and artificial illumination, the film speed being encoded on film carrying means, includes apparatus to move a filter into the exposure path of a lens axis of the camera when a flash unit is mounted on the camera and apparatus to sense the encoded film speed and to prevent the movement of the filter into the exposure path if film of relatively low speed is in the camera.

REFERENCES:
patent: 3425326 (1969-02-01), Wasielewski
patent: 3601021 (1971-08-01), Easterly
patent: 3602117 (1971-08-01), Eagle
patent: 3625125 (1971-12-01), Iida
patent: 3662666 (1972-05-01), Neudecker et al.
patent: 3667362 (1972-06-01), Neudecker et al.
patent: 3678827 (1972-07-01), Eagle et al.

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