Patent · US Expired

Method for touchscreen data input

US7190348B2 · kind B2 · utility

38Cited by
13References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 26, 2000
Grant dateMar 13, 2007
Priority date
Expiry dateNov 30, 2022

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06F3/0488
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

A method and system for use with a computer based system having a touchscreen for distinguishing between a finger and a stylus. The method involves a series of steps including detecting contact with the touchscreen. Also, the method can include generating contact information for the detected contact with the touchscreen. The method includes comparing contact information corresponding to the detected contact with contact criteria, and, based on the comparison of the contact information, determining whether the contact was initiated by a finger or a stylus.

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