The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
May. 08, 2007

Filed:

Aug. 31, 2005
Applicants:

Yukiko Takiba, Kawasaki, JP;

Hiroshi Suzunaga, Kawasaki, JP;

Hideyuki Mori, Yokohama, JP;

Inventors:

Yukiko Takiba, Kawasaki, JP;

Hiroshi Suzunaga, Kawasaki, JP;

Hideyuki Mori, Yokohama, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01J 1/44 (2006.01); G01J 1/42 (2006.01); H03K 17/78 (2006.01);
U.S. Cl.
CPC ...
Abstract

A semiconductor photosensor device includes a plurality of photodiode sections, a switch, and an output section is provided. The plurality of photodiode sections have different illuminance-output characteristics. The switch selects any one of the plurality of photodiodes sections on the basis of an illuminance of incident light irradiated on the photodiode sections. The output section outputs an signal from the selected photodiode section through the switch.


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