Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
May 28, 2013
Patent Application Number
13044314
Date Filed
March 9, 2011
Patent Citations Received
Patent Primary Examiner
Patent abstract
A method for detecting vehicles with trailers in a road toll system, which comprises at least one radio beacon for radio communication with radio OBUs, wherein vehicles and trailers are respectively provided with their own OBUs carried by them, and a vehicle and a trailer are detected as belonging to one another when an evaluation of the radio communications with their OBU indicates that these are moving at a limited and constant distance from one another.
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