Electronic toll collection system for toll road

Details Electronic toll collection system for toll road Electronic toll collection system for toll road

Category

G - Physics

Subcategory

08

Subsubcategory

C

IPC codes

G08C 17/02 (2006.01) G07B 15/00 (2006.01)

Type

Patent

Patent number

CA 2349065

Description

An ETC system for a toll road includes a road-side device. The road-side device transmitting a polling signal. The road-side device receives a response of an on-vehicle device to the transmitted polling signal. A decision is made as to whether or not the response is received a plural number of times. In cases where it is decided that the response is received a plural number of times, next radio communications with the on-vehicle device are started.

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