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Patent Searching and Data


Title:
CAMERA AND MOTOR CONTROLLER
Document Type and Number:
Japanese Patent JP2010252431
Kind Code:
A
Abstract:

To provide a motor controller which reduces noise and improves stop accuracy by slowly rotating a motor driving a movable part in a camera, and to provide a camera equipped with the controller.

The camera includes a motor controller (50) which repeatedly performs duty control, which is to be performed at a first cycle for a first period, at a second cycle longer than the first cycle for the motor (34) driving the movable part (20).


Inventors:
Ichikawa, Yoshiki
Application Number:
JP2009000096438
Publication Date:
November 04, 2010
Filing Date:
April 10, 2009
Export Citation:
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Assignee:
NIKON CORP
International Classes:
H02K7/116; H02P6/06; H02P6/08
Domestic Patent References:
JP2008043185A2008-02-21
JP2008072876A2008-03-27
JP2002130424A2002-05-09
JP2000032792A2000-01-28
Attorney, Agent or Firm:
鎌田 久男