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:
Oct. 18, 2011
Filed:
Oct. 03, 2006
Wen-kai Lee, Kaohsiung, TW;
Kuan-chun Tang, Toufen Township, Miaoli County, TW;
Wen-Kai Lee, Kaohsiung, TW;
Kuan-Chun Tang, Toufen Township, Miaoli County, TW;
Elan Microelectronics Corporation, Hsinchu, TW;
Abstract
Methods are provided for base capacitance compensation of traces in a touchpad sensor. Compensation areas are calculated by evaluating the differences between the base capacitances of the traces, or the differences between the base capacitances of the traces and a target value. The compensation areas are electrically connected to respective traces to equalize the base capacitances of the traces. Alternatively, a relationship between the areas of the traces and the distances from the traces to a grounding layer for equalizing the base capacitances of the traces is derived and from which the areas of the traces or the position of the grounding layer are adjusted.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile