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Title:
PRISM OPTICAL SYSTEM, IMAGE DISPLAY DEVICE USING PRISM OPTICAL SYSTEM, AND IMAGING DEVICE USING PRISM OPTICAL SYSTEM
Document Type and Number:
WIPO Patent Application WO/2012/014349
Kind Code:
A1
Abstract:
A prism optical system uses at least four optical surfaces that have optical effects. At least two of the four optical surfaces are rotationally asymmetric surfaces. One of the two surfaces, upon which light is incident or from which light is emitted, has a single transmission effect and a double internal reflection effect.

Inventors:
TAKAHASHI, Koichi (43-2 Hatagaya 2-chome, Shibuya-k, Tokyo 72, 〒1510072, JP)
Application Number:
JP2011/001879
Publication Date:
February 02, 2012
Filing Date:
March 29, 2011
Export Citation:
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Assignee:
OLYMPUS CORP. (43-2, Hatagaya 2-chome Shibuya-k, Tokyo 72, 〒1510072, JP)
オリンパス株式会社 (〒72 東京都渋谷区幡ヶ谷2丁目43番2号 Tokyo, 〒1510072, JP)
International Classes:
G02B17/08; G02B27/02; H04N5/64
Foreign References:
JP2005202060A
JPH10333042A
JP2003021805A
JP2005062803A
Attorney, Agent or Firm:
KOYAMA, Takashi et al. (AZUSA PATENT OFFICE, Ueno Suzuki Bldg. 7th Floor 16-3, Ueno 3-chome, Taito-k, Tokyo 05, 〒1100005, JP)
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Claims:



 
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