Patent · US Active

Single-layer touchpad having touch zones

US7423635B2 · kind B2 · utility

69Cited by

5References

20Claims

0Family size

Assignee

Cirque Corporation · US

Inventors

Brian Taylor · Highland Park, US
David Taylor · Mapleton, US
Michael D. Layton · Salt Lake City, US

Key dates

Filing date	Aug 26, 2005
Grant date	Sep 9, 2008
Priority date	—
Expiry date	Feb 17, 2027

Classification

Technology area (CPC G)Physics
CPC primaryG06F3/04886
WIPO fieldComputer technology
WIPO sectorElectrical engineering

Abstract

A single-layer touchpad comprised of a relatively clear substrate, a first active electrode disposed thereon, and a sense electrode disposed thereon, wherein the first active electrode and the sense electrode are comprised of a conductive material, wherein the first active electrode in combination with the sense electrode are used to detect the presence of a pointing object in a zone, determining in which zone the pointing object has been detected, or the simultaneous presence of multiple pointing objects in multiple zones, and wherein the first active electrode and/or the sense electrode are made sufficiently visible so that a pattern is visually detectable to the user when looking at the display screen.

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