Patent · US Expired

Hand-held electronic device with a keyboard optimized for use with the thumbs

US6919879B2 · kind B2 · utility

112Cited by
120References
128Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 25, 2002
Grant dateJul 19, 2005
Priority date
Expiry dateJul 25, 2022

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06F3/0383
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

A hand-held electronic device with a keyboard optimized for use with the thumbs is provided. The handheld device includes a keyboard, a display, and a processor. The keyboard is horizontally positioned symmetrically between a left edge and a right edge of a face of the hand-held messaging device. The keyboard has a plurality of keys arranged in a plurality of rows across the face, wherein each row of keys is arranged in a concave pattern. The display is vertically positioned between the keyboard and a top edge of the face and is horizontally positioned symmetrically between the left edge and the right edge of the face. The processor is coupled to the keyboard and the display, and controls the operation of the hand-held messaging device.

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