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. 16, 2010
Filed:
Nov. 16, 2005
Applicants:
Shou-ling Sui, Pa Te, TW;
Chen-hsien Liao, Taipei, TW;
Inventors:
Shou-Ling Sui, Pa Te, TW;
Chen-Hsien Liao, Taipei, TW;
Assignee:
AU Optronics Corp., Hsinchu, TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 3/041 (2006.01);
U.S. Cl.
CPC ...
Abstract
A handwriting input apparatus comprises a position-encoding layer and a pen. The position-encoding layer comprises a plurality of position-encoding pattern. The position-encoding layer is transparent to visible light and is reflective to light of predetermined wavelengths. Each position-encoding pattern represents a specific code. The pen has a projector and a camera at one end. The projector is adapted to generate a light beam of the predetermined wavelengths toward the position-encoding layer. The camera is adapted to capture images of the plurality of position-encoding pattern.