Camera having different supply modes selectable for a film

Details Camera having different supply modes selectable for a film Camera having different supply modes selectable for a film

1994-10-13

1995-11-14

Gray, David M.

3541731, G03B 700

Patent

active

054671566

ABSTRACT:
This invention relates to cameras operable to select one film supply system from either a normal wind-up system or a preparatory wind-up system. The camera has a selector switch for selecting one of the film supply systems, and an inhibiting means for inhibiting that the two systems are applied to one film by the switch, a write means for recording selected information onto a film or a storage device provided in the cartridge, and a read means for reading the selected information and the frame information written in the device. The switch selects a film supply system which is indicated by the selected information read out from the device of the loaded film by the read means. Additionally, a film supply means is provided for preparing and supplying the film in accordance with the frame information read out by the read means. The film supply means can wind up the film to supply even when either of the two film supply systems is set. The selection of the film supply system can be changed by the switch only before the first frame is photographed. A counter is provided for inhibit that the first frame of the film is supplied to the photographing position more than predetermined times in response to the change in the film supply system selected by the switch.

REFERENCES:
patent: 4460256 (1985-07-01), Araki et al.
patent: 4864332 (1989-09-01), Harvey
patent: 5006873 (1991-04-01), Wash

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