| 摘要 |
A vehicle detection device with a parking gate ( 1 ) and a parking stand ( 4 ) consists of a geomagnetic field sensor ( 10 ) in the parking stand ( 4 ) for detecting a vehicle at the parking stand ( 4 ) and/or a geomagnetic field sensor ( 11 ) in the parking gate ( 1 ) for detecting a vehicle beneath the opened parking gate ( 1 ).
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