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Patent Searching and Data


Title:
STRUCTURE OF OPTICAL SYSTEM FOR INFRARED CAMERA
Document Type and Number:
Japanese Patent JP2014225829
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To obtain an infrared camera having a structure in which a large F value is obtained with an opening diameter as small as possible.SOLUTION: The infrared camera comprises: a condenser lens D for condensing infrared rays; an infrared detector A for detecting infrared rays having passed through the condenser lens D; and a shutter C disposed between the condenser lens D and the detector A and having a blade C3 for performing an opening and closing operation. An opening of a container member C1 for containing the blade C3 in an opened state is formed as an inclined plane S1 along the inclination of a beam bundle L incident to the detector A from the condenser lens D.

Inventors:
YAMAMOTO SUNAO
Application Number:
JP2013104908A
Publication Date:
December 04, 2014
Filing Date:
May 17, 2013
Export Citation:
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Assignee:
APISUTE KK
International Classes:
H04N5/33; G01J1/02; G03B9/08; H04N5/335
Domestic Patent References:
JP2012173547A2012-09-10
JPH01155220A1989-06-19
Attorney, Agent or Firm:
Patent business corporation mountain village patent firm
Yoshinobu Yamamura