System and method to identify and track objects on a surface
US9555320B2 · kind B2 · utility
1Cited by
8References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 1, 2014 |
| Grant date | Jan 31, 2017 |
| Priority date | — |
| Expiry date | Feb 21, 2035 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63F2009/2489
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A system is provided by which objects with RFID tags can communicate with a surface containing exciting and sensing antennas so as to actuate optical emission from those objects. That light emission can then be used for fine position and orientation sensing by an array of cameras placed around the surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.