Automatic non-computer network no-stop collection of expressway tolls by magnetic cards and method

摘要: An automatic system and method using prepaid cards for collection of the expressway tolls while vehicle is moving at a normal driving speed where computer-network not required. Upon insertion valid card with sufficient cash balance to pay maximum toll an into reader/writer in-vehicle device, device turned `ON`. A transmitter in actuated continuously transmit infrared signal cancel activation alarm facility activate predetermined modulation frequency identifying each facility. data processing means calculates information from signals received one entrance another exit reduces card. The rewrites resulting amount onto When less than toll, upon notify driver. used can be magnetic driver insists pass through collecting booth without proper paying together camera take picture license plate invader's car.