Camera module having geared lens barrel

A camera having a housing, an imaging array positioned in said housing, and a lens assembly is disclosed. The lens assembly includes a fixed portion attached to the housing and a moveable portion connected to the fixed portion by a threaded coupling. The lens is positioned in the moveable portion to...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	WHY TAN CHENG, SAN YONG WEN
Format:	Patent
Sprache:	eng
Schlagworte:	ACCESSORIES THEREFOR APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM CINEMATOGRAPHY ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY ELECTROGRAPHY HOLOGRAPHY OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHOTOGRAPHY PHYSICS PICTORIAL COMMUNICATION, e.g. TELEVISION
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Beschreibung
Zusammenfassung:	A camera having a housing, an imaging array positioned in said housing, and a lens assembly is disclosed. The lens assembly includes a fixed portion attached to the housing and a moveable portion connected to the fixed portion by a threaded coupling. The lens is positioned in the moveable portion to image a scene on the imaging array. The lens is separated from the imaging array by a distance that changes as the moveable portion is rotated relative to the fixed portion. The moveable portion includes a gear for applying a torque to the moveable portion such that the moveable portion moves relative to the fixed portion. The gear is preferably a spur gear. During the assembly of the camera, the gear is turned via a second gear such that the position of the lens is moved to a predetermined desired position.