1
Kenneth Blomqvist, Anders Hjelmare, Lars Olsson: Method and device for registering vehicles in a road toll facility. Saab Scania Combitech Akitiebolag, Irah H Donner, Hale and Dorr, August 29, 2000: US06109525 (150 worldwide citation)

A system and method of registering vehicles in a road toll facility is provided with radio transmitter and receiver equipment (7) for microwaves arranged to communicate with vehicle units (12) provided in the vehicles (4), preferably including a transponder. On command from the road toll facility, a ...


2
Kenneth Blomqvist, Anders Hjelmare, Lars Olsson: Method and apparatus for the registration of a vehicle(s) in a free flow toll facility by tracking the vehicle along a path in the toll facility area. Saab Scania Combitech Aktiebolag, Irah H Pepper Hamilton Donner, January 12, 1999: US05859415 (18 worldwide citation)

A method registers a vehicle in a road toll facility that is provided with radio transmitter and receiver units (7). The radio transmitter and receiver units are configured to communicate with at least one vehicle unit (12) arranged in the vehicle (4). The vehicle unit is configured with radio trans ...


3
Lars Olsson, Anders Hjelmare: Method and device for radio communication between mutually movable objects. Combitech Traffic Systems, Pollock Vande Sande & Amernick, October 26, 1999: US05974397 (8 worldwide citation)

A method for radio communication between mutually mobile objects. Prior to radio communication between the objects, calculations are preformed with a communication and calculation unit of a first of the objects to produce established data, answer codes are generated from the established data, and on ...


4
Kennet Blomqvist, Anders Hjelmare, Lars Olsson: A method and a device for the registration of a vehicule in a road toll. Saabscania Combitech Aktiebolag, FENG GENGXUAN, June 12, 1996: CN94192266

Registering of vehicles in a road toll facility provided with radio transmitter and receiver equipment (7) for microwaves arranged to communicate with vehicle units (12) provided in the vehicles (4), preferably with a transponder. On command from the road toll facility, identity is obtained from the ...


5
Lars Olsson, Anders Hjelmare: Method and device for radio communication between mutually movable objects. Combitech Traffic Systems, YANG GUOXU, October 29, 1997: CN95196195

A method and device for radio communication between mutually mobile objects such as vehicles (5) passing a road toll facility (2), the mutual movement of the objects and a limited range of action for the radio communication giving extremely limited time available for carrying out an operation compri ...