1
Fred Slavin, Randy J Schafer: Toll collection system. The Chase Manhattan Bank, Ostrolenk Faber Gerb & Soffen, October 6, 1998: US05819234 (243 worldwide citation)

An automatic toll collection system comprises and operates in conjunction with transponders which are provided for sale to the public in sealed packages and which are pre-approved for a predetermined amount of prepaid toll credit. When the transponders are purchased, they can be installed in any veh ...


2
David M Claus, Kevin D Murphy, Marjorie E Taylor: Secure toll collection system for moving vehicles. AT&T Bell Laboratories, Michael A Morra, May 10, 1994: US05310999 (163 worldwide citation)

A secure toll payment system is realized by transmitting a changeable encryption code from roadside equipment at a toll plaza to a moving vehicle. Thereafter, the moving vehicle uses it to encrypt payment information according to the Data Encryption Standard algorithm. The moving vehicle transmits t ...


3
Akio Kuramoto: Antenna apparatus and electronic toll collection system and electronic toll collection method using the same. NEC Corporation, McGinn & Gibb PLLC, January 27, 2004: US06683580 (154 worldwide citation)

In an antenna apparatus and the electronic toll collection (hereinafter, abbreviated to an ETC) system using it, an antenna apparatus (


4
John J Hassett: Electronic vehicle toll collection system and method. AT COMM Incorporated, Lahive & Cockfield, September 8, 1998: US05805082 (117 worldwide citation)

A system for automatic collection of tolls includes 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 faci ...


5
Arthur B Chiappetti: Toll collection system. Bernard L Kleinke, July 6, 1982: US04338587 (113 worldwide citation)

A vehicle toll collection system automatically identifies vehicles traveling along a vehicle lane. The system includes a mobile vehicle identification sending unit adapted to be mounted on at least one of the vehicles for sending vehicle identification information. A stationary control unit is dispo ...


6
Jin S Shieh: Method and system for two-way packet radio-based electronic toll collection. Best Network Systems, Cushman Darby & Cushman, June 13, 1995: US05424727 (96 worldwide citation)

A two-way packet radio-based electronic toll collection system is to be installed on a highway and includes a main communication tower for transmitting continuously downlink communication packets that contain information regarding available uplink communication channels, and an in-vehicle unit insta ...


7
Douglas Dwyer, Stephen J Feitelson, Robert H Kramp II, Patrick P Lim: Detection regions for transponder tracking. Raytheon Company, Georgann S Grunebach, January 26, 1999: US05864306 (88 worldwide citation)

Data transmissions between a transponder and a reader of a toll collection system are minimized while the transponder moves through a communication zone of the system. A plurality of dimensionally programmable detection regions, are defined within the communication zone. Detection criteria are also ...


8
John J Hassett, John M Harrison: Electronic vehicle toll collection system and method. Lahive & Cockfield, September 1, 1992: US05144553 (86 worldwide citation)

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 u ...


9
Douglas Dwyer, Stephen J Feitelson, Jeanne M Perales Herdt, Gary S Gallagher, Roger O Connor, Thomas L McDaniel, Edward Broad: Open road cashless toll collection system and method using transponders and cameras to track vehicles. Raytheon Company, October 31, 2000: US06140941 (82 worldwide citation)

A cashless toll collection system and method that detects vehicles using transponders for prepaid customers and cameras for casual or non-transponder equipped vehicles. The system has a plurality of roadside toll collectors, one or more toll transaction processors, and a revenue management system. E ...


10
John J Hassett: Electronic vehicle toll collection system and method. Transcore, William J Robinson, Victor de Gyarfas, Mayer Brown Rowe & Maw, November 25, 2003: US06653946 (73 worldwide citation)

A system for automatic collection of tolls includes 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 faci ...