Power control method for mobile RFID reader and RFID reader using the same
US7893834B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Nov 29, 2006 |
| Grant date | Feb 22, 2011 |
| Priority date | — |
| Expiry date | May 2, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W52/04
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
Provided is a power control method for a mobile Radio Frequency Identification (RFID) reader and an RFID reader using the same. The RFID reader includes: an RFID reader transmission/reception control unit for creating a message to be transmitted to an RFID tag and transmitting RFID tag information to a terminal control unit; a reader transmitting unit for encoding and modulating the created message; a power amplifier for amplifying an output signal; a reader receiving unit for demodulating and decoding the signal and transmitting the signal to the RFID reader transmission/reception control unit; and an RFID reader power control unit for controlling power, wherein when the RFID reader transmission/reception control unit receives a command for acquiring the RFID tag information, the RFID reader power control unit applies power to the power amplifier.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.