Patent · US Expired

Keypad assembly

US7106222B2 · kind B2 · utility

126Cited by
2References
31Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 17, 2004
Grant dateSep 12, 2006
Priority date
Expiry dateFeb 1, 2025

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04M2250/70
  • WIPO fieldTelecommunications
  • WIPO sectorElectrical engineering

Abstract

A keypad assembly utilizes touch-detecting apparatus such as force sensors or touchpad assemblies for registering key presses. In exemplary embodiments, the keypad assembly is suitable for use in electronic devices such as a mobile telephones, calculators, hand-held computers, or the like, having single piece molded housings wherein the keypad assembly is at least partially encapsulated within the housing.

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