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. 17, 2015
Filed:
Aug. 03, 2011
Chen-yi Huang, Taichung, TW;
Te-sheng Tseng, Taichung, TW;
Wen-hung Hsu, Taichung, TW;
Largan Precision Co., Ltd., Taichung, TW;
Abstract
The present invention provides an apparatus for detecting the position and depth of a Device Under Test (DUT) having a surface and a method thereof. The apparatus comprises an electrically-controlled swing element whose swing angle is controlled by an electrically-driven actuator, a light source whose light beam is redirected to the surface by the electrically-controlled swing element to form a light point, an optical system configured to receive the projection information of the light point, a storage unit configured to store the default information of the light point projected onto a default plane (DP) and a computation unit for calculating the depth information of the DUT according to the projection information and the default information.