Batteryless tire inflation pressure detecting apparatus with improved power-saving configuration
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机译:具有改进的省电构造的无电池轮胎充气压力检测装置
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摘要
In a tire inflation pressure detecting apparatus according the invention, a second transceiver provided on the body of a vehicle changes operation thereof alternatively between a second transmitter and a second receiver mode, thereby intermittently transmitting a radio wave. A first transceiver provided on a wheel of the vehicle operates in a first receiver mode to receive the radio wave, thereby charging a charging unit. When the charging unit has been sufficiently charged, the first transceiver changes operation thereof from the first receiver mode to a first transmitter mode, in which the first transceiver first repeatedly transmits an informing signal at predetermined time intervals for a predetermined time period and then transmits a pressure signal. When the informing signal is received by the second transceiver in the second receiver mode, the second transceiver keeps the operation thereof in the second receiver mode until the pressure signal is completely received thereby.
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