| 摘要 |
PURPOSE: An ETACS(Electronic Time Alarm Control System) is provided to reduce components and costs by unifying a TPWS(Tire Pressure Warning System) in the ETACS. CONSTITUTION: A TPWS comprises a detecting sensor(11), a transmitting unit(12), a receiving unit(13), a display device(14) and an alarming device(15). The detecting sensor detects an air pressure of a tire and transmits a signal by sticking to a tire. The transmitting unit receives the signal of the detecting sensor. The receiving unit receives the signal from the transmitting unit. The display device displays the air pressure of the tire according to an air pressure control signal of an ETACS(20). The alarming device alarms the lower air pressure of the tire to a driver. By embedding the TPWS in the ETACS, components and costs are reduced.
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