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. 10, 2026
Filed:
Apr. 01, 2022
Applicant:
Denso Corporation, Kariya-city, JP;
Inventors:
Assignee:
DENSO CORPORATION, Kariya-city, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01S 7/497 (2006.01); G01S 7/48 (2006.01);
U.S. Cl.
CPC ...
G01S 7/497 (2013.01); G01S 7/4808 (2013.01); G01S 2007/4977 (2013.01);
Abstract
A distance measuring apparatus includes a light emitter, a receiver, a calculator, a case having a window, and a determiner for determining that dirt is adhered to the window in response to determination that a dirt determination condition is satisfied. The dirt determination condition includes a first condition that a specified light intensity level at a specified value of a time of flight for at least one pixel of a view region in a histogram is larger than or equal to at least one value of an intensity threshold calculated for the at least one pixel of the view region.