Zoom compact camera

Details Zoom compact camera Zoom compact camera

1996-12-30

1998-09-15

Adams, Russell E.

Photography

Having variable focal length of camera objective

396529, 396542, G03B 1700

Patent

active

058093486

ABSTRACT:
A zoom compact camera is provided with a stationary barrel portion and includes a movable barrel that houses a zoom lens. A linear guide groove is formed parallel to the optical axis on the stationary barrel portion. A guide key is provided on the movable barrel. The guide key slidably fits into the linear guide groove to guide the movable barrel. A code plate is fixed to an inner surface in the linear guide groove and a contacting terminal is securely fixed to the guide key to be in sliding contact with the code plate.
The focal length of the zoom lens is determined based on a signal indicating the relative position of the contacting terminal with respect to the code plate.

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patent: 5488513 (1996-01-01), Tanaka

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