Matches 1 - 25 out of 25
Match Document Document Title
7356494 Robust wireless communications system architecture and asset management applications performed thereon  
A robust wireless communications system operable to provide communications for mobile wireless devices. The wireless communications system generally includes a management computing system, wireless...
7327108 System and methods for automatically moving access barriers initiated by mobile transmitter devices  
An operator system and related methods for automatically controlling access barriers which includes a base controller associated with at least one access barrier and at least one base receiver...
7327107 System and methods for automatically moving access barriers initiated by mobile transmitter devices  
An operator system and related methods for automatically controlling access barriers which includes a base controller associated with at least one access barrier and at least one base receiver...
7286611 Roadway communication system  
Road transmission antennas ( 4 a, 4 b ) are disposed along a road, each radiating a single cell (E) with electromagnetic waves at the same frequency and of the same content. A vehicle mounted...
7286610 Roadway communication system  
Road transmission antennas ( 4 a , 4 b ) are disposed along a road, each radiating a single cell (E) with electromagnetic waves at the same frequency and of the same content. A vehicle mounted...
7196637 Antenna system embedded in a support structure for interrogating a tire sensor transponder  
A vehicle tire interrogation system for interrogating sensors embedded in a vehicle tire. The interrogation system both transmits and receives appropriate RF signals to and from the sensors. The...
7171381 System architecture and communications for an asset management system  
A robust wireless communications system operable to provide communications for mobile wireless devices. The wireless communications system generally includes a management computing system, wireless...
7165040 System and method for managing remotely and distantly located assets  
A commercially acceptable solution to provide for monitoring battery voltage of an asset, managing charging of batteries of a group of assets, and managing scheduled maintenance of assets may...
7034741 Apparatus for detecting position information of a moving object  
An apparatus for detecting position information of a moving object. The apparatus includes a transponder, a communication module, and a reader. The transponder is installed on a predetermined...
6744823 Communication system between road and vehicle  
Road transmission antennas ( 4 a , 4 b ) are disposed along a road, each radiating a single cell (E) with electromagnetic waves at the same frequency and of the same content. A vehicle mounted...
EP0917109B1 Electronic toll collection system and method featuring antenna arrangement  
Abstract of EP0917109 In order to establish radio communications between an in-vehicle unit mounted on a vehicle and a roadside unit, an on-board antenna is mounted on the vehicle. The on-board...
6507313 Reflector radar antenna using flanking-beam array switching technique  
A radar tracking antenna system including: a parabolic-cylinder reflector; and, a subset of Flanking Beam Array Steered Technique (FAST) line feeds coupled to the reflector as a feed assembly.
6285858 Electronic toll collection system and method featuring antenna arrangement  
A system for establishing radio communications between an in-vehicle unit and a road unit, including a signal controller in response to an output of an approaching vehicle detector, includes an...
6191705 Radio frequency highway management system  
Traffic management or enforcement is performed through the use of a monitor transponder in the environs of an RF highway toll collection system. When normally operating transponders communicate...
5983075 Radio communication system between a vehicle and a roadside station  
A radio communication system between a mobile station on a vehicle and a stationary station in which a uniform field intensity is obtained in a direction of a width of a road so that a good...
EP0801472B1 Radio communication system between a vehicle and a roadside station  
Abstract of EP0801472 A radio communication system between a mobile station on a vehicle and a stationary station in which a uniform field intensity is obtained in a direction of a width of a road...
EP0917109A2 Electronic toll collection system and method featuring antenna arrangement  
In order to establish radio communications between an in-vehicle unit mounted on a vehicle and a roadside unit, an on-board antenna is mounted on the vehicle. The on-board antenna is operatively...
5751227 Communication system for vehicles  
A communication system for vehicles, which obtains exact communication processing with responders mounted on vehicles running on a road having a plurality of traffic lanes, is disclosed. An...
5710566 Method for implementing a wireless data exchange between a fixed station and moving objects particularly vehicles  
A method for implementing a wireless data exchange between a fixed station and sending/receiving devices on board objects moving relative to the fixed station, preferably in lanes, and particularly...
5701127 Automatic vehicle identification system capable of vehicle lane discrimination  
A method of identifying an object and determining in which of at least two areas the object is located is disclosed. The method includes the steps of: focusing a first directional antenna (18) on a...
5682142 Electronic control system/network  
A network system of programmable, identification, locating, monitoring and processing fixed position (FPN) and movable tag nodes, which provides direct inter-node communication capability without a...
EP0801472A1 Radio communication system between a vehicle and a roadside station  
A radio communication system between a mobile station on a vehicle and a stationary station in which a uniform field intensity is obtained in a direction of a width of a road (20) so that a good...
5675342 Automatic vehicle identification system capable of vehicle lane discrimination  
A method of identifying an object and determining in which of at least two areas the object is located is disclosed. The method includes the steps of: focusing a first directional antenna (18) on a...
5455575 Multi-interrogator, datacom and transponder arrangement  
A multi-interrogator transponder arrangement is disclosed. The transponder arrangement comprises a first interrogation unit (10) comprising a first wireless datacom transceiver (19) which transmits...
5424745 Detection method and system  
The invention provides a method and a system for the detection of an object moving relative to another object. The object possibly being a person, an element, an installation, a tool, a surface,...
Matches 1 - 25 out of 25