Multi-user touch surface
US6498590B1 · kind B1 · utility
111Cited by
2References
26Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 24, 2001 |
| Grant date | Dec 24, 2002 |
| Priority date | — |
| Expiry date | May 24, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S323/904
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A multi-user touch system includes a surface on which are a pattern of mounted antennas. A transmitter transmits uniquely identifiable signals to each antenna. Receivers are capacitively coupled to different users, the receivers are configured to receive the uniquely identifiable signals. A processor then associates a specific antenna with a particular users when multiple users simultaneously touch any of the antennas.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.