Patent · US Expired

Physical object location apparatus and method and a graphic display device using the same

US6690156B1 · kind B1 · utility

205Cited by
8References
70Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 28, 2000
Grant dateFeb 10, 2004
Priority date
Expiry dateJul 28, 2020

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06F3/042
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

A device for detecting physical objects, each object having a detectable identifier, the objects being disposed in association with a graphic display device, comprising a detector operable to detect a location of said identifier relative to said graphic display device, and to output a signal bearing information of said first location, wherein said device is operable to determine, by electronic processing, from said signal, a relative location of said physical object in relation to said graphic display device.

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