Communications: electrical – Condition responsive indicating system – Specific condition
Reexamination Certificate
2007-06-22
2009-02-10
Pham, Toan N (Department: 2612)
Communications: electrical
Condition responsive indicating system
Specific condition
C340S572800, C340S870170, C340S584000, C340S588000, C340S601000, C235S440000
Reexamination Certificate
active
07489246
ABSTRACT:
System and method for recording temperature on an RFID tag. A first RFID tag is attached to a container. The first RFID tag includes a temperature sensor. The container contains a multiplicity of packages. A multiplicity of second RFID tags are attached to the multiplicity of packages, respectively. The first RFID tag transmits temperature information to the multiplicity of second RFID tags. In response, the multiplicity of second RFID tags record the temperature information. Consequently, there is no need for expensive temperature sensors on the multiplicity of RFID tags on the packages. According to features of the present invention, the first RFID tag is an active RFID tag, and the multiplicity of second RFID tags are passive RFID tags. The first RFID tag also transmits other information to the multiplicity of second RFID tags to enable the second RFID tags to authenticate the temperature information. Other types of environmental sensors such as a humidity sensor or vibration sensor can substitute for the temperature sensor.
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“New temp-tracking RFID label from KSW”, inpharma.com, May 7, 2004, pp. 1-2. www.inpharma.com
ews
ews-NG.asp?n=53297-new-temp-tracking.
Himberger Kevin David
Jeffries Clark Debs
Peyravian Mohammad
Fay III Theodore D.
International Business Machines - Corporation
Pham Toan N
Samodovitz Arthur J.
Yee Duke W.
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