Mechanism for controlling position of optical element

Details Mechanism for controlling position of optical element Mechanism for controlling position of optical element

2011-06-21

2011-06-21

Laballe, Clayton E (Department: 2862)

Photography

Having variable focal length of camera objective

Lens moves in or out of light path

C359S813000

Reexamination Certificate

active

07965933

ABSTRACT:
An optical element position control mechanism includes an optical element holding member which holds an optical element of a photographing system and is guided in an optical axis direction; a drive mechanism for moving the optical element holding member in the optical axis direction; and a biasing device including an arm which is swingable about a swing axis, the swing axis being substantially orthogonal to the optical axis, and the arm extending substantially orthogonal to the swing axis and having a free end portion which engages with the optical element holding member to bias the optical element holding member in the optical axis direction.

REFERENCES:
patent: 4857794 (1989-08-01), Watanabe
patent: 2004/0051969 (2004-03-01), Nomura
patent: 2004/0141737 (2004-07-01), Nomura
patent: 2004/0151490 (2004-08-01), Nomura
patent: 2005/0286352 (2005-12-01), Inui
patent: 2006/0274435 (2006-12-01), Nomura et al.
patent: 2007/0019304 (2007-01-01), Nomura
patent: 7-140368 (1995-06-01), None
patent: 2000-206391 (2000-07-01), None
patent: 2004-240360 (2004-08-01), None
patent: 2007-133262 (2007-05-01), None
English machine translation of Tanaka, JP 07-140368.
English language Abstract of JP 7-140368 A, Jun. 2, 1995.
English language Abstract of JP 2004-240360 A, Aug. 26, 2004.
English language Abstract of JP 2007-133262 A, May 31, 2007.
English language Abstract of JP 2000-206391, Jul. 28, 2000.
U.S. Appl. No. 12/263,910 to Nomura, which was filed Nov. 3, 2008.

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