Title:
レンズ交換式デジタルカメラの絞り駆動装置
Document Type and Number:
Japanese Patent JP5129489
Kind Code:
B2
Abstract:
A diaphragm driving device is provided in a camera body of a digital camera to which an interchangeable lens is detachably attached, the interchangeable lens including a diaphragm mechanism having a diaphragm control bar for changing an aperture size by a rotation of the diaphragm control bar about an optical axis. The camera body includes a diaphragm-driving slide plate which engages with the diaphragm control bar when the interchangeable lens is attached to the camera body; a diaphragm drive motor which rotates in both forward and reverse directions for moving the diaphragm-driving slide plate step wise in accordance with object brightness information of an object image formed through the interchangeable lens; and a converting mechanism for converting the rotation of the diaphragm drive motor in the both directions into a force for moving the diaphragm-driving slide plate.
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| JPS57177130 | CONTROLLER FOR IRIS OF PHOTOGRAPH CAMERA |
Inventors:
Yuichi Kurosawa
Application Number:
JP2007035067A
Publication Date:
January 30, 2013
Filing Date:
February 15, 2007
Export Citation:
Assignee:
Pentax Ricoh Imaging Co., Ltd.
International Classes:
G03B9/02; G03B9/06; G03B17/14; H04N5/225; H04N5/235
Domestic Patent References:
| JP4177206A | ||||
| JP7104344A | ||||
| JP2002295348A | ||||
| JP59229531A |
Attorney, Agent or Firm:
Akio Suzuki