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:
Feb. 07, 2017
Filed:
Nov. 08, 2013
Applicant:
Sharp Kabushiki Kaisha, Osaka-shi, Osaka, JP;
Inventors:
Tadamasa Kimura, Osaka, JP;
Takayuki Shimizu, Osaka, JP;
Assignee:
SHARP KABUSHIKI KAISHA, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01P 3/36 (2006.01); G01S 17/50 (2006.01); G01V 8/20 (2006.01); G01P 13/00 (2006.01); G01S 17/58 (2006.01); G06F 3/01 (2006.01); G01V 8/12 (2006.01);
U.S. Cl.
CPC ...
G01P 3/36 (2013.01); G01P 13/00 (2013.01); G01S 17/50 (2013.01); G01S 17/58 (2013.01); G01V 8/20 (2013.01); G06F 3/017 (2013.01); G01V 8/12 (2013.01);
Abstract
A provision of a movement direction determination section for determining that a particular direction is a movement direction of the detection target object, in a case where a second comparator determines that larger than a predetermined threshold value is an absolute value of a ratio of (i) a difference between the photocurrent of the at least two light receiving elements to (ii) a sum of a photocurrent of at least two light receiving elements next to each other along the particular direction.