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.
Patent No.:
Date of Patent:
May. 28, 2002
Filed:
Nov. 17, 1999
Denso Corporation, Kariya, JP;
Abstract
A sensor for detecting a quantity of light has a housing, which has an axis along a direction in which light enters with an azimuth of 0°. A right side photodetector is disposed on a left side of the axis, and a left side photodetector is disposed on a right side of the axis. A central photodetector is disposed on the axis with a sensitivity, which is lowered as compared to those of the right side and left side photodetectors. A right side light signal is obtained by outputs from the right side photodetector and the central photodetector, and a left side light signal is obtained by outputs from the left side photodetector and the central photodetector. Accordingly, an adverse effect by a positional shift between a shading member disposed above the photodetectors and the photodetectors is lessened.