Camera capable of winding and rewinding film by revolution of mo

Details Camera capable of winding and rewinding film by revolution of mo Camera capable of winding and rewinding film by revolution of mo

1994-04-11

1996-07-09

Gray, David M.

G03B 118

Patent

active

055349609

ABSTRACT:
The present invention provides a camera having a film feed mechanism comprising a microphone for sensing the surrounding noise around the camera, a noise level measuring portion for measuring the sensed noise (sound pressure), a noise level discriminator for comparing the measured noise level with a predetermined level to discriminate whether the measured noise level is higher or lower than the predetermined level, a feed mode change-over portion for changing the film feed speed to a silent mode or a normal film feed by selecting the normal film feed or the film feed whose generated noise level is low in response to the discriminated noise level, and a film feed mechanism for feeding a film in both winding and rewinding.

REFERENCES:
patent: 5014079 (1991-05-01), Hoshino et al.
patent: 5162832 (1992-11-01), Kakita et al.

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