| 摘要 |
It consists of at least one auxiliary switch 5 interposed in parallel with the manual actuation switch 6 provided for powering or disconnecting the headlamps 7 of the vehicle, which auxiliary switch 5 is controlled by an automatic connection and disconnection circuit governed by a wave receiver 10, and provision has been made on the vehicle's route of travel, in preset zones, for differentiated-wave emitters 3, 4 installed at points 1, 2 which interact with the aforesaid receiver 10, generating different signals for opening or closing of the aforesaid auxiliary switch 5. <IMAGE>
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