Wireless tracking system
US6473070B2 · kind B2 · utility
161Cited by
7References
36Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 29, 1998 |
| Grant date | Oct 29, 2002 |
| Priority date | — |
| Expiry date | Jan 7, 2019 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG08C2201/32
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A tracking system for tracking one or more wireless input devices includes a receiver to receive wireless signals from the input devices and a tracking circuit to detect movements of the wireless input devices. The input devices may be either infrared (IR) or radio-frequency (RF) input devices.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.