Physical object location apparatus and method and a graphic display device using the same
US6690156B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 28, 2000 |
| Grant date | Feb 10, 2004 |
| Priority date | — |
| Expiry date | Jul 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.