Electronic toll collection system for toll road

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

2008-04-01

2008-04-01

Hayes, John W. (Department: 3628)

Data processing: financial, business practice, management, or co

Automated electrical financial or business practice or...

Transportation facility access

C340S928000, C340S905000, C340S933000, C340S901000, C205S384000

Reexamination Certificate

active

09864235

ABSTRACT:
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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