Title:
IMAGE PROJECTOR AND MULTI-PROJECTION SYSTEM USING SAME
Document Type and Number:
Japanese Patent JP2006178155
Kind Code:
A
Abstract:
To provide an image projector for performing geometric correction of an image projected on a screen so as to improve the quality of an observed image by a simple, small and inexpensive configuration.
The image projection apparatus 1 includes an image display element 2 and projection optical systems 3, 4, 5, 6 by which an image displayed on the image display element 2 is projected onto the screen 7, wherein the projection optical systems are provided with at least optical-characteristics-variable optical means 11 and 12 for optically performing geometric correction of the image projected on the screen 7.
Inventors:
NAKANE TAKESHI
NISHIOKA KIMIHIKO
NISHIOKA KIMIHIKO
Application Number:
JP2004370896A
Publication Date:
July 06, 2006
Filing Date:
December 22, 2004
Export Citation:
Assignee:
OLYMPUS CORP
International Classes:
G03B21/00; H04N5/74
Attorney, Agent or Firm:
Kosaku Sugimura
Kazuaki Takami
Hiroshi Tokunaga
Yoshiyuki Iwasa
Shiro Fujitani
Kiyoshi Kuruma
Kazuyuki Tomita
Kazuaki Takami
Hiroshi Tokunaga
Yoshiyuki Iwasa
Shiro Fujitani
Kiyoshi Kuruma
Kazuyuki Tomita