VEHICULAR SYSTEM AND TAG COMMUNICATION METHOD

VEHICULAR SYSTEM AND TAG COMMUNICATION METHOD

A vehicular system (1) detects a magnetic marker (10) laid in a road and wirelessly communicates with a wireless tag (15) attached to the magnetic marker (10). The system includes a measuring unit (2) which detects the magnetic marker (10) by sensing magnetism, a tag reader (34) which executes a com...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
1. Verfasser: YAMAMOTO Michiharu
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
CALCULATING
COMPUTING
COUNTING
HANDLING RECORD CARRIERS
PHYSICS
PRESENTATION OF DATA
RECOGNITION OF DATA
RECORD CARRIERS
SIGNALLING
TRAFFIC CONTROL SYSTEMS
TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILARSIGNALS
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Beschreibung
Zusammenfassung:A vehicular system (1) detects a magnetic marker (10) laid in a road and wirelessly communicates with a wireless tag (15) attached to the magnetic marker (10). The system includes a measuring unit (2) which detects the magnetic marker (10) by sensing magnetism, a tag reader (34) which executes a communication process with the wireless tag (15), and a control unit (32) which sets a communication start point as a start point of the communication process by the tag reader (34) . The control unit (32) sets, as a communication start point, a time after a lapse of specified time with reference to a time point of detection at which the measuring unit (2) detects the magnetic marker (10). Upon reading information from the wireless tag (15), the tag reader (34) terminates communication, thereby shortening a communication time.