Patent · US Expired

Portable computer and related method for preventing input interruption by write-tracking an input region

US6831631B2 · kind B2 · utility

78Cited by
8References
16Claims
0Family size

Assignee

Inventor

Key dates

Filing dateFeb 19, 2002
Grant dateDec 14, 2004
Priority date
Expiry dateNov 22, 2022

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06F3/04186
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

A method is provided for a portable computer. The portable computer has a touch panel for sensing a position of pressure exerted by a user. The method includes setting an input region on the touch panel. When the user touches the touch panel after a previous touch, the method includes updating the position of the input region according to the relative displacement between the touches, and controlling the portable computer only according to pressure position inside the input region if the user simultaneously presses inside and outside the input region within the touch panel.

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