A vehicle-mounted apparatus communicates wirelessly with a terminal (user terminal) of a passenger of a vehicle and causes an electric field intensity maintaining unit to store an electric field intensity in wireless communication with the user terminal. The vehicle-mounted apparatus determines whether the user terminal is located in the vehicle based on a value related to a first electric field intensity acquired when a power supply of the vehicle is in a predetermined status and stored in the electric field intensity maintaining unit and based on a value related to a second electric field intensity acquired when the passenger leaves the vehicle and stored in the storage unit. The vehicle-mounted apparatus gives the passenger a predetermined notification when it is determined that the user terminal is located in the vehicle.
VEHICLE-MOUNTED APPARATUS, LOST PROPERTY NOTIFICATION METHOD, AND STORAGE MEDIUM
2023-06-01
Patent
Elektronische Ressource
Englisch
IPC: | B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR |
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