Patent · US Expired

Capacitive touch switch

US7232973B2 · kind B2 · utility

63Cited by
16References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 19, 2005
Grant dateJun 19, 2007
Priority date
Expiry dateDec 19, 2025

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH03K2217/96079
  • WIPO fieldBasic communication processes
  • WIPO sectorElectrical engineering

Abstract

A capacitive touch switch includes a sensor button which is disposed between a circuit board and a cover plate and which forms a terminal of a capacitor that is variable in its capacitance by an approach. The sensor button includes a body of a flexible material, which body can be adapted to the cover plate and is embraced by a conductive net.

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