Multiprotocol RFID reader
US7197279B2 · kind B2 · utility
39Cited by
26References
28Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 23, 2004 |
| Grant date | Mar 27, 2007 |
| Priority date | — |
| Expiry date | Dec 23, 2024 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06K19/07741
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
An RFID reader accessible thorough a personal computer and includes a PC card interface and a controller both operating according to clock signals from a crystal oscillator. The RFID reader further includes a linearized power amplifier modulator in a transmit path, a receive chain capable of demodulating EPCglobal Class_1 and Class_0 signals from RFID tags, and an integrated switching device for selecting one of a plurality of antenna for transmitting or receiving RF signals.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.