OPTICAL ADJUSTMENT SYSTEM

Title:

OPTICAL ADJUSTMENT SYSTEM

Document Type and Number:

WIPO Patent Application WO/2013/161432

Kind Code:

A1

Abstract:

Provided is an optical adjustment system with which it is possible to detect that an optical adjustment means has moved when the system is not being driven, and to position the optical adjustment means in a prescribed site. An optical adjustment system comprises: an instruction means (640) for outputting an instruction signal for directing a rotation direction of an optical adjustment means (300); a detection means (630) for detecting an electromotive force which is generated in a coil (501); a switch means (610) for, when driving the system by a current being applied to the coil, connecting the coil to drive means (500, 302, 620), and, when not driving the system when detecting the electromotive force which is generated in the coil, connecting the coil to the detection means; a determination means (660) for determining, on the basis of an output signal which is outputted from the detection means, a revolving state of the revolving axle member (302); and a control means (650) for, on the basis of the output signal which is outputted from the determination means, outputting to the drive means an instruction to output a drive signal.

Inventors:

MATSUKI KAORU (JP)

Application Number:

PCT/JP2013/057365

Publication Date:

October 31, 2013

Filing Date:

March 15, 2013

Export Citation:

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Assignee:

OLYMPUS CORP (JP)
MATSUKI KAORU (JP)

International Classes:

G03B9/02

Foreign References:

JP2012073383A	2012-04-12
JPS55152755U	1980-11-04
JPH1020360A	1998-01-23
JPH0819239A	1996-01-19
JPH1020360A	1998-01-23

Other References: