Vehicle location system

Location-representative signals are communicated to vehicles (12, 14, 16) by modifying existing traffic detector stations of the type utilizing an inductive coil (20) embedded in the roadway (22). Circuitry (44-52) is provided for generating a carrier signal modulated in accordance with a modulating...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	FABRICIUS-HANSEN, ROLF, KARLSTROM, KRISTER
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CHECKING-DEVICES FARE-REGISTERING APPARATUS FRANKING APPARATUS PHYSICS SIGNALLING TICKET-ISSUING APPARATUS TRAFFIC CONTROL SYSTEMS
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