| 摘要 |
<p>A tire pressure monitoring system 3 includes receiving antennas 31, 32 installed in a vehicle 2' corresponding to vehicle wheels 21', 22', a monitoring main unit 30 disposed near a driver's seat, tire pressure sensors 33, 34 respectively installed in the wheels 21', 22' of the vehicle 2' to wirelessly transmit detected data in the form of a data packet for being received by one corresponding adjacent antenna 31, 32 , and a signal combining circuit formed of multiple combiners 35, 36 and having multiple input terminals 351, 352, 361, 362 electrically connected to the receiving antennas 31, 32 and an output terminal 363 electrically connected to the monitoring main unit 30 for combining data packets received from the receiving antennas 31, 32 and transmitting the combined data signal to the monitoring main unit 30 by means of a wired transmission path.</p> |
