A distance-measuring system of an embodiment configured to calculate a distance between a first device and a second device based on transmission and reception between the first device and the second device includes a communication section configured to communicate with a first frequency band and/or with a second frequency band different from the first frequency band, a determination section configured to determine whether the first device is located within a predetermined range of the second device, and a control section configured to control, when a determination result of the determination section shows that the first device is not within the predetermined range, to perform a distance-measuring operation is performed with the first frequency band, and when a determination result of the determination section shows that the first device is within the predetermined range, to perform a distance-measuring operation with the second frequency band.
DISTANCE-MEASURING SYSTEM AND DISTANCE-MEASURING METHOD
ENTFERNUNGSMESSSYSTEM UND ENTFERNUNGSMESSVERFAHREN
SYSTÈME ET PROCÉDÉ DE MESURE DE DISTANCE
2020-09-30
Patent
Elektronische Ressource
Englisch
IPC: | G07C TIME OR ATTENDANCE REGISTERS , Zeit- oder Anwesenheitskontrollgeräte / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / G01S RADIO DIRECTION-FINDING , Funkpeilung / H04B TRANSMISSION , Übertragung |
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