RFID reader and RF transmission method thereof
US8265570B2 · kind B2 · utility
1Cited by
1References
19Claims
0Family size
Assignee
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Key dates
| Filing date | Sep 5, 2008 |
| Grant date | Sep 11, 2012 |
| Priority date | — |
| Expiry date | Jul 11, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06K7/10356
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A Radio Frequency (RF) transmission method of a Radio Frequency Identification (RFID) reader using a plurality of channels is provided. The method includes: selecting at least part of the plurality of channels, measuring an RF power of each of the selected channels, determining a transmission environment of the RF according to a measurement determination, and modulating an RF signal according to the determined transmission environment.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.