IN IN571DELNP2015A
[0001] A reader/writer (15) as a communication device that performs at least one of reading identification information stored in an IC tag (30) as an identification component and writing identification information to the IC tag (30) is provided with: a wireless control circuit unit (35) that generates an output for communication; a temperature sensor (36) as a temperature detection unit that detects the temperature of an environment in which elements constituting the wireless control circuit unit (35) such as an RFID chip (41) a balun (42 47) a filter circuit (43 46) a power amplifier (44) and a coupler (45) are used; a temperature determination unit (65) that determines whether on the basis of the temperature detected by the temperature sensor (36) the environment in which the elements are used is in a use temperature range for the elements; and a wireless power supply control unit (34) that suppresses power supply to the wireless control circuit unit (35) when it is determined by the temperature determination unit (65) that the elements are not in the environment within the use temperature range.
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