Title:
EXPOSURE CONTROL DEVICE
Document Type and Number:
WIPO Patent Application WO/2013/084489
Kind Code:
A1
Abstract:
The exposure control device disclosed by the present application is disposed on an optical path, the exposure control device being provided with first and second light intensity adjustment plates each having a first region which has the property of transmitting light polarized in a specific direction, and a second region not having the property of transmitting light polarized in the specific direction, and the exposure control device adjusting light intensity by rotating the first and second light intensity adjustment plates.
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Inventors:
YASUGI SHUNSUKE
EZAWA KOZO
EZAWA KOZO
Application Number:
PCT/JP2012/007806
Publication Date:
June 13, 2013
Filing Date:
December 05, 2012
Export Citation:
Assignee:
PANASONIC CORP (JP)
International Classes:
G03B9/02; G02B5/00; G03B7/097; G03B11/00; H04N5/238
Foreign References:
JPS62178A | 1987-01-06 | |||
JP2001061165A | 2001-03-06 | |||
JP2008096461A | 2008-04-24 | |||
JPH09166518A | 1997-06-24 |
Attorney, Agent or Firm:
OKUDA, SEIJI (JP)
Seiji Okuda (JP)
Seiji Okuda (JP)
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Claims:
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