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:
Jul. 09, 2013
Filed:
Mar. 15, 2010
Applicants:
Chao-wen HU, Hsinchu, TW;
Yi-chung Lee, Hsinchu, TW;
Inventors:
Chao-Wen Hu, Hsinchu, TW;
Yi-Chung Lee, Hsinchu, TW;
Assignee:
Lite-On It Corporation, Hsinchu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01S 15/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
A controlling method for ultra-sound sensor is provided. The method includes the steps of measuring a distance of an obstacle, determining whether the distance is smaller than a distance threshold, and adjusting a driving voltage if the distance is smaller than the distance threshold.