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:
Apr. 01, 2008
Filed:
Jul. 06, 2004
Chih-yu Liao, Taipei, TW;
Jih-yung LU, Sanchong, TW;
Chih-Yu Liao, Taipei, TW;
Jih-Yung Lu, Sanchong, TW;
Benq Corporation, Taoyuan, TW;
Abstract
A method for adjusting relative position of a lens module by using a uniform light source is provided. The lens module includes a bottom board, an image sensor, an adjusting module and a lens apparatus. The image sensor is disposed on the bottom board and perpendicular to the optical axis of the uniform light source. The lens apparatus is moveably disposed in front of the image sensor. The adjusting module connects the lens apparatus to the bottom board. The image sensor electrically connects to a testing module, and the testing module electrically connects to the adjusting module. The method includes: (a) receiving specific signals from the corresponding specific areas respectively; (b) processing the specific signals to determine an adjustment quantity; (c) selectively adjusting the relative position between the image sensor and the lens apparatus by adjusting the module according to the adjustment quantity.