Title:
PROJECTOR AND CONTROL METHOD FOR THE PROJECTOR
Document Type and Number:
WIPO Patent Application WO/2013/132853
Kind Code:
A1
Abstract:
A projector includes a projecting unit including a projection optical system and configured to project an image on a screen SC, a lens driving unit configured to perform focus adjustment for the projection optical system, a trapezoidal-distortion correcting unit configured to perform distortion correction processing for correcting distortion of the image projected by the projecting unit, and a projection control unit configured to cause the trapezoidal-distortion correcting unit to execute the distortion correction processing until a completion condition for the distortion correction processing holds after a start condition for the distortion correction processing holds and restrict the execution of the focus adjustment by the lens driving unit while the projection control unit causes the trapezoidal-distortion correcting unit to execute the distortion correction processing.
Inventors:
FURUI SHIKI (JP)
Application Number:
PCT/JP2013/001424
Publication Date:
September 12, 2013
Filing Date:
March 06, 2013
Export Citation:
Assignee:
SEIKO EPSON CORP (JP)
International Classes:
H04N9/31
Foreign References:
| US20100128231A1 | 2010-05-27 | |||
| US20100315602A1 | 2010-12-16 | |||
| EP1560429A2 | 2005-08-03 | |||
| JP2010130225A | 2010-06-10 |
Attorney, Agent or Firm:
KAMIYANAGI, Masataka et al. (80 Harashinden, Hirooka, Shiojiri-sh, Nagano 85, JP)
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Claims: