Patent · US Expired

Collapsible keyboard

US7153050B2 · kind B2 · utility

4Cited by
2References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 28, 2005
Grant dateDec 26, 2006
Priority date
Expiry dateApr 28, 2025

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01H2223/05
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A collapsible keyboard comprises a connection part, a top cover pivoted to the connection part, a first key assembly connected to the connection part and movable between a first position and a second position, and a second key assembly pivoted to the first key assembly. The first key assembly is located at the first position when the collapsible keyboard is in an operating mode, and the second key assembly is located between the first key assembly and the top cover and the first key assembly is located at the second position when the collapsible keyboard is in a collapsed mode.

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