Camera having a pop up flash unit driven by one direction of a m

Details Camera having a pop up flash unit driven by one direction of a m Camera having a pop up flash unit driven by one direction of a m

1991-11-26

1995-01-24

Gellner, Michael L.

35414911, G03B 1505

Patent

active

053846125

ABSTRACT:
A camera has a flash unit which is movable between a retracted position and a projected position and which is provided with an illumination-angle varying mechanism. The camera includes an engagement mechanism for holding the flash unit in the retracted position by engagement. A drive mechanism drives the flash unit in a direction of the projected position when the engagement of the engagement mechanism is released. A transmission system transmits an output rotation of a motor, which serves as a drive source, to each of (i) the illumination-angle varying mechanism, and (ii) the engagement mechanism. The transmission system is driven by a rotation of the motor in a first direction (a) to release the engagement of the engagement mechanism, and (b) to drive the illumination-angle varying mechanism to vary a flash illumination angle. The transmission system is driven by a rotation of the motor in a second direction to perform a camera operation other than a flash unit operation. The camera may also include one or more of a brake member for braking a movement of the flash unit, a clutch for switching a direction of drive transmission, and multiple transmission systems.

REFERENCES:
patent: 4970539 (1990-11-01), Sasagaki et al.
patent: 4982210 (1991-01-01), Shimada et al.
patent: 5012269 (1991-04-01), Tosaka et al.
patent: 5055866 (1991-10-01), Takebayashi
patent: 5070349 (1991-12-01), Haraguchi et al.
patent: 5079574 (1992-01-01), Ueno

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