IMAGING DEVICE - RICOH IMAGING CO LTD

Title:

IMAGING DEVICE

Document Type and Number:

WIPO Patent Application WO/2014/126074

Kind Code:

A1

Abstract:

Provided is an imaging device in which an optical low-pass filter effect appropriate to imaging conditions can be obtained without using an optical low-pass filter. Said imaging device is provided with the following: imaging optics that have, at least, a diaphragm and an imaging lens; an image sensor that is exposed to an object image formed from object light having passed through the imaging optics and converts said object image into an electrical pixel signal; a drive unit that drives an image-stabilizing member or members within a plane that is perpendicular to the optical axis of the imaging optics, said image-stabilizing member(s) being the image sensor and/or a lens that is part of the imaging optics, thereby making the object light incident upon a plurality of image-sensor pixels having different detection colors, resulting in an optical low-pass filter effect; an acquisition unit that acquires diaphragm-aperture diameter information and imaging-lens resolving-power information; and a drive control unit that varies the optical low-pass filter effect produced by the drive unit, in accordance with the diaphragm-aperture diameter information and/or the imaging-lens resolving-power information acquired by the acquisition unit, by changing the extent to which the object light rays are incident upon a plurality of image-sensor pixels having different detection colors.

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Inventors:

TERAUCHI MASAKAZU (JP)
MIYATA MASASHI (JP)

Application Number:

PCT/JP2014/053106

Publication Date:

August 21, 2014

Filing Date:

February 12, 2014

Export Citation:

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Assignee:

RICOH IMAGING CO LTD (JP)

International Classes:

H04N5/232; H04N5/225; H04N5/335; H04N5/357; H04N9/07; H04N101/00

Foreign References:

JP2008035241A	2008-02-14
JPH0983858A	1997-03-28
JP2007097049A	2007-04-12
JPH09116910A	1997-05-02
JPH08114769A	1996-05-07

Attorney, Agent or Firm:

MIURA, Kunio et al. (JP)
Kunio Miura (JP)

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