Patent · US Expired

Flexible data entry panel

US5742241A · kind A · utility

85Cited by
14References
6Claims
0Family size

Inventors

Key dates

Filing dateAug 18, 1995
Grant dateApr 21, 1998
Priority date
Expiry dateAug 18, 2015

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T29/49105
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

The present invention includes a flexible, pressurizable keyboard made of resilient layers of plastic material, with molded keys which are deformable when pressed so as to send a signal to an electrical device. The keys are arranged with a flexible electrical circuit thereattached, which when depressed, establish a proper complete circuit.

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