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PROBLEM TO BE SOLVED: To tightly seal an imaging element when providing a rotation bearing mechanism of a lens-barrel to avoid degradation in the photograph quality due to dust. SOLUTION: The unit lens-barrel 18 consists of a main lens-barrel 16 having both photographing lens 3 and CCD image sensor...

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Bibliographische Detailangaben
1. Verfasser:	NAKA YOICHI
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:	PROBLEM TO BE SOLVED: To tightly seal an imaging element when providing a rotation bearing mechanism of a lens-barrel to avoid degradation in the photograph quality due to dust. SOLUTION: The unit lens-barrel 18 consists of a main lens-barrel 16 having both photographing lens 3 and CCD image sensor 20 integrally built in the main lens-barrel 16 and a flange 17 provided on the outer side of the main lens-barrel 16. The flange 17 is rotatably attached to the lens-barrel frame 22 via the rolling balls 24. The flange 17 has a lens drive motor 21. And the lens drive motor 21 works as a weight to maintain the horizontal attitude of the imaging element by turning the unit lens-barrel 18 when the frame 22 inclines. COPYRIGHT: (C)2005,JPO&NCIPI