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:
Nov. 05, 2002
Filed:
Apr. 25, 2001
Jen-Shou Tseng, Miao-Li Hsien, TW;
Chun-Liang Lin, Hsin-Chu, TW;
UMX Data Systems Inc., Hsin-Chu, TW;
Abstract
A scanner comprises a light source for illuminating a document to be scanned, and a scanning module for scanning the document. The scanning module comprises a light sensor module for receiving light from the document and generating an image signal of the document, and a light delivery module for delivering the light to the light sensor module. The light sensor module is capable of moving along a first direction and capable of being positioned on at least a first position and a second position. The method comprises: (1) positioning the light sensor module on the first position, and using the light source and the scanning module to scan a reference picture to obtain a first reference image signal, (2) positioning the light sensor module on the second position, and using the light source and the scanning module to scan the reference picture to obtain a second reference image signal, (3) positioning the light sensor module on the first position or the second position to scan the document according to the first and the second reference image signals.