Title:
照度センサ用光案内機構及び携帯電話機
Document Type and Number:
Japanese Patent JP5444629
Kind Code:
B2
Abstract:
A light guide mechanism for an illuminance sensor includes: a lighting window configured to pass through an external light; the illuminance sensor configured to detect an illuminance of the light passed through the lighting window; and a light-blocking part provided between the lighting window and the illuminance sensor and configured to block a light other than the light passed through the lighting window. The light-blocking part has an inner surface inclined with respect to a line perpendicular to a light-receiving surface of the illuminance sensor. A direction of inclination of the inner surface is such that the inner surface faces the light-receiving surface of the illuminance sensor.
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Inventors:
Wataru Hamada
Yuji Takemoto
Toshiharu Hagii
Ginger terrific
Masashi Tagawa
Yuji Takemoto
Toshiharu Hagii
Ginger terrific
Masashi Tagawa
Application Number:
JP2008096988A
Publication Date:
March 19, 2014
Filing Date:
April 03, 2008
Export Citation:
Assignee:
富士通株式会社
International Classes:
G01J1/02; H04M1/02
Domestic Patent References:
| JP58154625A | ||||
| JP60151200A | ||||
| JP11002853A | ||||
| JP2007215206A | ||||
| JP1302129A | ||||
| JP11064103A | ||||
| JP2002292775A | ||||
| JP3130627A | ||||
| JP1113709A |
Attorney, Agent or Firm:
Tadahiko Ito