FIELD: physics.
SUBSTANCE: system includes an antenna device placed inside a vehicle, the second antenna device placed on the outside of the vehicle, a radio frequency device that is associated with each thing, a keyless access device, a processor of the vehicle, managing and communicating about the presence of left items in the vehicle, and a device displaying a warning. The first antenna device establishes a communication channel with the keyless access device and each RF device when they are inside the vehicle. The second antenna device establishes the communication channel with the keyless access device and each RF device when they are on the outside of the vehicle. A signal from the keyless access device and each radio frequency device comes on the first and the second antenna device when moving the keyless access device and each radio frequency device in the vehicle or out of it, respectively.
EFFECT: increasing the efficiency of detection and identification of items left in the vehicle after leaving it.
21 cl, 1 dwg
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