Patent · US Active

Keypad module of non-backlight panel and panel assembly of the same

US8093519B2 · kind B2 · utility

1Cited by
3References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 26, 2008
Grant dateJan 10, 2012
Priority date
Expiry dateNov 11, 2030

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01H2229/058
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A keypad module includes a non-backlight layer made of an opaque thin sheet, and a key layer made of an ultraviolet curable resin. One surface of the non-backlight layer is provided thereon with a recognition region. The key layer has a base portion and a plurality of pressing portions protruding from the base portion. The base portion is overlapped with and bonded to the surface of the non-backlight layer on which the recognition region is provided. Each of the pressing portions is arranged to correspond to the recognition region. The panel further includes a telecommunication module located below the keypad module.

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