Patent · US Active

Boundary resolution improvement for a capacitive touch panel

US8514204B2 · kind B2 · utility

0Cited by

0References

4Claims

0Family size

Assignee

ELAN MICROELECTRONICS CORPORATION · TW

Inventors

Hung-Shou Nien · Hsinchu, TW
Yi-Hsin Tao · Hsinchu, TW
Chih-Hsien Teng · Taipei, TW
Hsin-Shieh Tsai · 員林市, TW
Chun-Chung Huang · Hsinchu, TW
Chia-Hsing Lin · Hsinchu, TW

Key dates

Filing date	Aug 25, 2010
Grant date	Aug 20, 2013
Priority date	—
Expiry date	Jul 8, 2031

Classification

Technology area (CPC G)Physics
CPC primaryG06F3/044
WIPO fieldComputer technology
WIPO sectorElectrical engineering

Abstract

A capacitive touch panel has a plurality of traces including a boundary trace, and a virtual trace is defined outward of the boundary trace and assigned with a virtual coordinate and a virtual capacitance for interpolation to position a touch point around the boundary of the capacitive touch panel, thereby eliminating the non-addressable region of the capacitive touch panel.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.