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:
Oct. 06, 1992
Filed:
Aug. 01, 1991
Tadahiro Takahashi, Konan, JP;
Zexel Corporation, Tokyo, JP;
Abstract
A solar radiation sensor of the type including a case, a filter provided on an upper surface of the case, and a photodetector disposed in the case for detecting the quantity of solar radiation coming through the filter, wherein the filter has a knurled inside surface for irregularly reflecting incident light, and the photodetector has a light-receiving surface extending obliquely at a predetermined angle of inclination whereby a proper sensitivity to oblique incident light can be maintained even when the sensor is mounted on a flat surface.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile