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.
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Inventors:
TAKAHASHI KOICHI (JP)
Application Number:
PCT/JP2011/001879
Publication Date:
February 02, 2012
Filing Date:
March 29, 2011
Export Citation:
Assignee:
OLYMPUS CORP (JP)
TAKAHASHI KOICHI (JP)
TAKAHASHI KOICHI (JP)
International Classes:
G02B17/08; G02B27/02; H04N5/64
Foreign References:
JP2005202060A | 2005-07-28 | |||
JPH10333042A | 1998-12-18 | |||
JP2003021805A | 2003-01-24 | |||
JP2005062803A | 2005-03-10 |
Attorney, Agent or Firm:
KOYAMA, Takashi et al. (JP)
Takushi Koyama (JP)
Takushi Koyama (JP)
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Claims: