Frame number counter for disk film camera

Details Frame number counter for disk film camera Frame number counter for disk film camera

1986-04-28

1987-03-24

Mathews, A. A.

354217, G03B 1736

Patent

active

046521054

ABSTRACT:
In a photographic camera adapted to receive a film cartridge containing a rotatable film disk, a film advance hub is rotated in engagement with the film disk to move successive frame areas of the disk into an exposure position for picture-taking. A plurality of frame number identifiers corresponding respectively to the frame areas of the film disk are arranged on a rear cover of the camera substantially about an opening in the rear cover. A free end portion of the film advance hub is disposed in the opening to enable a pointer element on the free end portion to indicate the frame number identifier corresponding to a frame area of the film disk in the exposure position.

REFERENCES:
patent: 1570453 (1926-01-01), Smith
patent: 2531653 (1950-11-01), Tait et al.
patent: 4202614 (1980-05-01), Harvey
patent: 4325619 (1982-04-01), Seckendorf et al.

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