| 摘要 |
PROBLEM TO BE SOLVED: To easily check an ID code of a wheel state detector. SOLUTION: The wheel state detector 100 comprises an air pressure detection unit which detects the air pressure in a tire and transmits the air pressure outside by radio, and an ID checking unit 14 for outputting the ID code by sound when a user requests the check of the ID code. The ID checking unit 14 comprises a microphone 22 for acquiring the sound, a determination unit 23 which analyses the sound acquired by the microphone 22 and determines whether or not the output of the ID code is requested, and a speaker 34 for outputting the ID code of the wheel state detector 100 when the determination unit 23 determines whether or not the output of the ID code is requested. COPYRIGHT: (C)2008,JPO&INPIT
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