Multi-lane free flow electronic toll collection system and on board unit thereof
AssigneeIndustrial Technology Research Institute
InventorsPo-Chun Kang, Tzu-Hsiang Su, Ta-Yang Juan
Life of this patent
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Abstract
An electronic toll collection (ETC) system and an on board unit (OBU) thereof are provided. The ETC system includes a toll collection module and an identification module. The toll collection module provides a pre-pay service and a post-pay service such that the OBU on a vehicle can make a toll payment in response to one of the pre-pay service and the post-pay service. The identification module captures an image of the vehicle and provides an identification service to the OBU to obtain an identification information of the vehicle.
Claims20
An electronic toll collection (ETC) system, comprising:
- a toll collection module, for providing a pre-pay service and a post-pay service, wherein an on board unit (OBU) on a vehicle makes a toll payment in response to one of the pre-pay service and the post-pay service;
- and
- an identification module, for capturing an image of the vehicle and providing an identification service to the OBU to obtain an identification information of the vehicle.
An OBU, installed on a vehicle, the OBU being configured for:
- determining whether a pre-pay service is received within a pre-pay communication range;
- when the pre-pay service is received within the pre-pay communication range, executing an intermittent pay procedure, and determining whether an identification service is received;
- when the identification service is received, instantly and continuously sending an identification information of the vehicle for a predetermined time, and when the identification service is not received, continuously executing the intermittent pay procedure until the vehicle exits the pre-pay communication range;
- after sending the identification information of the vehicle, determining whether the intermittent pay procedure succeeds;
- when the intermittent pay procedure succeeds, determining that a toll payment is completed, and when the intermittent pay procedure fails, determining whether a post-pay service is received within a post-pay communication range;
- and
- when the post-pay service is received within the post-pay communication range, executing an extended pay procedure to make the toll payment, and when the post-pay service is not received within the post-pay communication range, continuously determining whether the post-pay service is received until the vehicle exits the post-pay communication range.
Dependencies are inferred from the claim text.