Single lens reflex camera

Patent

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Details

3541731, 3542341, G03B 912

Patent

active

051211483

ABSTRACT:
A camera 14 has a shutter 42 that is reciprocally movable by a motor 54 that is in positive engagement with the shutter 42. The motor 54 provides harmonic motion to the shutter 42 between its open and closed positions. A second motor 78 advances the film within the camera body. Both motors are connected to electronic brakes 104,118 to stop the motors when they are deactuated. The shutter has a mirror 50 mounted therein to provide a viewing of the image beam by the lens 36 through an eyepiece 122 when the shutter 42 is closed.

REFERENCES:
patent: 4139302 (1979-02-01), Hung et al.
patent: 4392745 (1983-07-01), Wright et al.
patent: 4720718 (1988-01-01), Yamamoto et al.
patent: 4750012 (1988-06-01), Lindenfelser

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