Method for recognizing radio frequency identification tag reader and apparatus thereof
US8334755B2 · kind B2 · utility
1Cited by
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13Claims
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Key dates
| Filing date | Nov 24, 2009 |
| Grant date | Dec 18, 2012 |
| Priority date | — |
| Expiry date | Jan 25, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L61/5014
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
Provided is a method and apparatus for recognizing a radio frequency identification tag reader. In order to obtain protocol addresses of a plurality of radio frequency identification (hereinafter referred to as RFID) tag readers, a request message including a timestamp indicating a generation time is generated and transmitted, and a response message for the request message from one of the plurality of RFID readers is received. When the timestamp included in the response message satisfies a set condition, a hardware address and a protocol address of the RFID reader are extracted from the response message.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.