Camera with a shape memory alloy member

Details Camera with a shape memory alloy member Camera with a shape memory alloy member

1994-01-25

1995-10-17

Blankenship, Howard B.

354247, 3542711, G03B 936

Patent

active

054595444

ABSTRACT:
A camera for exposing photosensitive medium such as a film and a CCD. The camera includes: a lens system for forming a light image on the photosensitive medium; a portion of the camera which requires a control mechanism for a better result of exposing such as an aperture control, an exposure control, a zooming control, and a shutter control; and a driver means for driving such the control mechanism. The driver includes a shape memory alloy member having a first position where said shape memory alloy member is recovered, and a second position where said shape memory alloy member is deformed; and an alloy driving circuit for actuating the shape memory alloy member to the first position.

REFERENCES:
patent: 4664493 (1987-05-01), Takagi
patent: 5150702 (1992-09-01), Miyanaga et al.
patent: 5185621 (1993-02-01), Kagechika

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