Camera and electric motor drive therefor

Details Camera and electric motor drive therefor Camera and electric motor drive therefor

1979-09-25

1981-03-31

Griffin, Donald A.

354212, G03B 112, G03B 100

Patent

active

042589975

ABSTRACT:
The disclosed device winds film in a continuous rapid-sequence mode or a non-continuous single-frame mode. A disengagement arrangement responds to a winding completion signal after each frame is wound in the continuous mode and disengages the transmission during the subsequent shutter release, but allows the transmission to remain engaged in the non-continuous mode and at the end of a winding sequence in the continuous mode. According to one embodiment, the disengagement arrangement contains an electromagnet that also actuates the camera's shutter release in the continuous mode.

REFERENCES:
patent: 3613542 (1971-10-01), Wiessner et al.
patent: 3640201 (1972-02-01), Kimura
patent: 3754455 (1973-08-01), Tsujimoto et al.
patent: 3903466 (1975-09-01), Kondo
patent: 3946410 (1976-03-01), Maida
patent: 3995292 (1976-11-01), Kondo
patent: 4175845 (1979-11-01), Iwashita et al.
patent: 4190341 (1980-02-01), Sugimori

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