Patent ID: 9741179
Date: 2017-08-22
CPC Classifications: G06K,G07B,G08G,H04W

Claim:
1. An onboard unit for use with a vehicular identification system, the onboard unit comprising: a housing attachable to an exterior surface of a windscreen of a vehicle; a transceiver for radio communication with the vehicular identification system; and a processor coupled to the transceiver and being configured to communicate with the vehicular identification system via the transceiver; the transceiver and processor being contained in said housing; wherein the onboard unit further comprises a tampering protection unit which is split into two parts, the first part being contained in said housing and the second part being attachable to an inner surface of the windscreen; wherein the first and the second part each comprise a near field transceiver, wherein said near field transceivers are configured to establish a wireless connection between said first and second parts when a radio connection with the vehicular identification system is established; and wherein the tampering protection unit is configured to detect a disruption of said wireless connection and, upon detection, to trigger an alarm event in the first part.