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:
Sep. 25, 2007
Filed:
Sep. 24, 2003
Yen-chang Chiu, Taipei, TW;
Ting-hao Yeh, Tainan, TW;
Yung-lieh Chien, Taoyuan, TW;
Shih-chi Lin, Madou Township, Tainan County, TW;
Yen-Chang Chiu, Taipei, TW;
Ting-Hao Yeh, Tainan, TW;
Yung-Lieh Chien, Taoyuan, TW;
Shih-Chi Lin, Madou Township, Tainan County, TW;
Elan Microelectronics Corporation, Hsin-Chu, TW;
Abstract
A capacitive touchpad integrated with key and handwriting functions is provided for operation in key, handwriting and mouse modes. Several regions are defined on the panel of the touchpad and have several patterns printed thereon for the operation modes thereby. In the key mode, the key patterns among the printed patterns simulate a keyboard. In the handwriting mode, the handwriting region among the defined regions serves to handwriting input. In the mouse mode, the defined regions provide a cursor moving region and a horizontal and vertical scroll bars for input operations.