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Title:
PROJECTOR, IMAGE CORRECTION METHOD AND IMAGE CORRECTION PROGRAM
Document Type and Number:
Japanese Patent JP2012163970
Kind Code:
A
Abstract:

To provide a projector capable of appropriately correcting a change in hue of a projection image due to a change of a zoom state and of reducing the manufacturing cost.

A projector 1 comprises: a projection lens 46 that magnifies an optical image formed according to image information and projects the optical image on a screen Sc; and a controller 5. The projection lens 46 comprises a zoom lens 461 for adjusting a zoom state of a projection image that is displayed on the screen Sc by moving along an optical axis direction of the projection lens 46. A controller 5 comprises: position acquiring means 52; correction value acquiring means 53; and an image quality adjusting section 542. The position acquiring means 52 acquires a position of the zoom lens 461. The correction value acquiring means 53 acquires a correction value for correcting hue of image information according to the position of the zoom lens 461 having been acquired by the position acquiring means 52. The image quality adjusting section 542 corrects the hue of the image information based on the correction value having been acquired by the correction value acquiring means 53.


Inventors:
ITO OSANORI
Application Number:
JP2012066656A
Publication Date:
August 30, 2012
Filing Date:
March 23, 2012
Export Citation:
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Assignee:
SEIKO EPSON CORP
International Classes:
G03B21/14; G02B19/00; H04N9/31
Domestic Patent References:
JPH1169264A1999-03-09
JPH09318909A1997-12-12
JPH08289191A1996-11-01
JP2005039593A2005-02-10
JP2002090880A2002-03-27
JP2003143620A2003-05-16
JPH07230069A1995-08-29
JP2000020037A2000-01-21
JP2002152552A2002-05-24
JP2003333457A2003-11-21
Attorney, Agent or Firm:
Intellectual Property Office