Wireless display tag (WDT) using active and backscatter transceivers
US8313025B2 · kind B2 · utility
3Cited by
24References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 19, 2009 |
| Grant date | Nov 20, 2012 |
| Priority date | — |
| Expiry date | Oct 19, 2029 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09F3/204
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A wireless display tag, adapted to fit within the C-channel of a shelf-edge, or otherwise usable as a hang tag or small identification device, includes, depending on implementation, an active transceiver, a passive transceiver, or both, with analog and digital control portions for managing communications with a host.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.