Patent · US Active

Touch detection for a digitizer

US8228311B2 · kind B2 · utility

35Cited by
204References
29Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 16, 2008
Grant dateJul 24, 2012
Priority date
Expiry dateFeb 8, 2031

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06F2203/04106
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

A detector for detecting touches of at least one object on a transparent sensor located over a display screen, the detector comprising. a display screen; a patterned arrangement of conductors extending into said sensor situated over said display screen; and detection circuitry adapted to detect capacitive coupling of said at least one object with said at least one conductor.

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