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United States Patent | 5,086,389 |
Hassett , et al. | February 4, 1992 |
A system for automatic collection of tolls includes a toll facility, an in-vehicle toll processor having memory for storing a toll-money-available quantity purchased by the user, and a toll-facility-identification site that transmits a toll-facility-identifier signal indicating the identity of the upcoming toll facility and the toll to be collected. As the vehicle approaches the identification site, the in-vehicle processor receives the identifier signal and calculates the toll be be debited. When the vehicle passes through the toll facility, the facility transmits a toll-collect signal instructing the in-vehicle toll processor to debit the calculated toll from memory. The in-vehicle processor debits the calculated amount and transmits an acknowledgement signal to the toll facility.
Inventors: | Hassett; John J. (Marblehead, MA), Harrison; John M. (Concord, NH) |
Appl. No.: | 07/524,654 |
Filed: | May 17, 1990 |
Current U.S. Class: | 705/13 ; 235/384; 340/928 |
Current International Class: | G07C 9/00 (20060101); G06Q 30/00 (20060101); G07B 15/00 (20060101); G06F 015/21 (); G07B 015/00 (); G08G 001/00 () |
Field of Search: | 235/384 364/401,400 340/928 |
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4937581 | June 1990 | Baldwin et al. |
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0288399 | Nov., 1988 | JP | |||
Desmond, "Toll Booth Net Automates Fare Collection, Saves Cash", Network World, vol. V6, Issue n23, 6/12/89.. |