(54) LIGHT MODULATOR, AND OPTICAL APPARATUS USING THE SAME
(75) Inventor: Kenji Yamazoe, Utsunomiya (JP)
(73) Assignee: Canon Kabushiki Kaisha, Tokyo (JP)
( * ) Notice: Subject to any disclaimer, the term of this patent is extended or adjusted under 35 U.S.C. 154(b) by 61 days.
(21) Appl. No.: 11/233,657
(22) Filed: Sep. 23, 2005
(65) Prior Publication Data
US 2006/0066830 Al Mar. 30, 2006
(30) Foreign Application Priority Data
Sep. 24, 2004 (JP) 2004-278224
Aug. 11, 2005 (JP) 2005-232946
(51) Int. CI.
G03B 27/54 (2006.01)
(52) U.S. CI 355/67; 355/71
(58) Field of Classification Search 355/57,
355/67,75,53,71; 430/5,2,20 See application file for complete search history.
(56) References Cited
U.S. PATENT DOCUMENTS
5,148,157 A * 9/1992 Florence 345/84
