Patent ID: 11866004
Assignee: VOXX INTERNATIONAL CORPORATION
Field: Transport (Mechanical engineering)
Classification: CPC B  E  H | IPC B  E  H

Claim 0:
1. A system, comprising:
a vehicle control system (VCS) installed in a vehicle; and
a radio frequency (RF) proximity sensor installed in the vehicle;
wherein:
the RF proximity sensor comprises an RF transceiver configured to communicate with the VCS and one or more authorized user mobile devices that are authorized to operate the VCS, and a processing module configured to control operation of the RF transceiver of the RF proximity sensor;
the RF proximity sensor is configured to estimate distances to the authorized user mobile devices by measuring strength of RF transmissions of the authorized user mobile devices received by the RF proximity sensor;
at least one of the VCS and the RF proximity sensor is configured to detect departure events that occur when an authorized user mobile device of the one or more authorized user mobile devices crosses from within a predetermined distance departure limit of the vehicle to outside of the predetermined distance departure limit of the vehicle, and to perform one or more departure actions in response to each departure condition of one or more departure conditions being met, the one or more departure conditions comprising occurrence of one of the departure events; and
the predetermined distance departure limit is selected as part of configuration programming of the system.