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:
Mar. 25, 2014
Filed:
Jul. 16, 2010
Applicants:
Masashi Iwasawa, Otsu, JP;
Seongho Cho, Otsu, JP;
Inventors:
Masashi Iwasawa, Otsu, JP;
Seongho Cho, Otsu, JP;
Assignee:
Optex Co., Ltd., Shiga, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01C 3/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
A laser scanning sensor includes a laser range finder, a scanning mechanism, a data acquisition portion, a dirt determination portion, an alert output control portion and a memory. The laser range finder is arranged inside a housing having an opening portion, and the opening portion is covered with a lens cover that can transmit laser light. In the dirt determination portion, a predetermined threshold to be compared with a received light level is changed based on maximum detection distance information in each measurement direction.