Patent · US Expired

Radio IC tag reader writer, radio IC tag system, and radio IC tag data writing method

US7301439B2 · kind B2 · utility

8Cited by
2References
19Claims
0Family size

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Key dates

Filing dateNov 12, 2004
Grant dateNov 27, 2007
Priority date
Expiry dateAug 11, 2025

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06K19/0716
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

An RFID tag reader writer receives temperature data from a temperature sensor and writes the temperature data in a RFID tag. The temperature sensor may be attached to a commodity or arranged near the commodity.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.