Hlllllllllllllllllllllllllllllllllllllllllllll|||Ll||||L|||L|||L|L|L|||L|L US005473339A United States Patent [191 [11] Patent Number: 5,473,339 Kanatani Et Al
Hlllllllllllllllllllllllllllllllllllllllllllll|||ll||||l|||l|||l|l|l|||l|l US005473339A United States Patent [191 [11] Patent Number: 5,473,339 Kanatani et al. [45] Date of Patent: Dec. 5, 1995 [54] LIQUID CRYSTAL PROJECTOR [58] Field of Search ................................ .. 353/34, 30, 31; 345/4, 87 [75] Inventors: Keiichi Kanatani, Hirakata; Shunichi Kishimoto, Kaizuka; Yasuo Funazo, [56] References Cited Hirakata; Takashi Miwa, Higashiosaka; U.S. PATENT DOCUMENTS Kazuhiro Kono, Kadoma; Goro Hamagishi, Toyonaka; Kiyoshi Hosoi, 4,208,676 6/1980 Berwick et a1. Minoo; Shinji Shiogai, Hirakata; 4,394,681 7/1983 Rowe. Koichi Fujiwara, Higashiosaka; Takao 4,729,031 3/1988 Saito et al. Matsumura, Ikoma; Shigeru 4,809,078 2/1989 Yabe et a1. Kobayashi, Hirakata; Shinichi Otsuki, 4,864,390 9/1989 McKechnie et a1. 4,875,064 10/1989 Umeda et a1. Nara; Kenji Kaneko, Kobe, all of 4,936,658 6/1990 Tanaka et a1. Japan 5,005,950 4/1991 Morin. [73] Assignee: Sanyo Electric Co., Ltd., Osaka, Japan FOREIGN PATENT DOCUMENTS 192023 8/1986 European Pat. Off. [21] Appl. No.: 885,693 287034 1211988 European Pat. 01f. [22] Filed: May 19, 1992 Primary Examiner—Ulysses Weldon Attorney, Agent, or Firm—Nikaid0, Marmelstein, Murray & Related U.S. Application Data Oram [63] Continuation of Ser. No. 554,761, Jul. 20, 1990, abandoned. [57] ABSTRACT [30] Foreign Application Priority Data In a liquid crystal projector having a light source and liquid crystal panel units disposed in the optical paths, re?ecting Jul. 20, 1989 [JP] Japan 1-187813 means is disposed on the emanating side of the projector for Jul.
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