Lens barrel

Details Lens barrel Lens barrel

2011-01-04

2011-01-04

Hasan, Mohammed (Department: 2873)

Optical: systems and elements

Lens

With support

C359S811000, C359S704000

Reexamination Certificate

active

07864460

ABSTRACT:
A lens barrel includes a barrel main body, a first lens movement frame, a magnetic scale, and a magnetic sensor. The first lens movement frame is arranged movably in the optical axis direction of the optical system with respect to the barrel main body. The magnetic scale is provided to the first lens movement frame. The magnetic sensor is arranged on the outside of the barrel main body, and detects the position of the first lens movement frame with respect to the barrel main body by detecting the position of the magnetic scale with respect to the barrel main body.

REFERENCES:
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patent: 7362522 (2008-04-01), Ohsato
patent: 7489455 (2009-02-01), Kato
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patent: 2006/0262431 (2006-11-01), Ohsato
patent: 2009/0128931 (2009-05-01), Matsumoto
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patent: 2006-330054 (2006-12-01), None
patent: 2007-10934 (2007-01-01), None
patent: 2007-187747 (2007-07-01), None
patent: 2006/109587 (2006-10-01), None
International Search Report issued Oct. 14, 2008 in International (PCT) Application No. PCT/JP2008/002156.

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