Patent ID: 6259376
Filing Date: 2001-07-10
Classification: G07B

Abstract:
A tolling apparatus comprising:first detecting means arranged at a first position along a lane for detecting a vehicle passing said first detecting means on said lane in a direction of said lane;second detecting means arranged at a second position apart from said first detecting means by a predetermined distance in said direction for detecting said vehicle passing said second detecting means on said lane;communicating means having a communication area on said lane arranged to substantially correspond to an area on said lane between said first and second detecting means for communicating with a communication unit on said vehicle in response to said first detecting means to establish a communication link with said communication unit;time measuring means for measuring a predetermined interval in response to said first detecting means;judging means responsive to said time measuring means, said first and second detecting means, and said communicating means for judging said vehicle as a fair vehicle if said communication link is established during an interval between when said first detecting means detects said vehicle and when said second detecting means detects said vehicle and if said communication link is established during said predetermined interval and as an unfair vehicle if said communication link is not established during said interval and if said communication link is not established during said predetermined interval and outputting the judging result.