| 摘要 |
A transmitter in an apparatus for monitoring a condition of a tire of a vehicle includes a circuit portion and a casing that accommodates the circuit portion. The casing has a first pressure transmitting portion that transmits the pressure in the tire to the circuit portion so that the circuit portion can detect the pressure in the tire. The pressure transmitted to the circuit portion through the first pressure transmitting portion produces force that presses the circuit portion. The casing further has a second pressure transmitting portion that transmits the pressure in the tire to the circuit portion to apply force that acts against the pressing force to the circuit portion. Therefore, the transmitter prevents a substrate from flexing.
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