Did You Know...
...that the x-ray was discovered purely by accident? When German physicist Wilhelm Konrad von Roentgen was experimenting with cathode rays in 1895, he put an activated Crookes tube in a book and went out to lunch. When he returned, he discovered that a key that had also been placed in the book showed up as an image on the developed film!
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| Number | Title | Issue Date |
| 8144032 | Method of checking the quality of traffic disturbance reporting processes A method of checking the quality of traffic disturbance reporting processes records a total number of traffic disturbance reports generated by a traffic disturbance reporting process, which traffic disturbance reports each relate to at least one defined reporting ti... | 03/27/2012 |
| 7948400 | Predictive models of road reliability for traffic sensor configuration and routing Methods for decision making about sensor location/configuration for traffic sensing and routing are described. Construction of predictive models via machine learning that infer variance of road speeds, in general or for specific contexts (e.g., rush hours for a traf... | 05/24/2011 |
| 7884740 | Multi-lane vehicle detection apparatus A vehicle detection apparatus adopting microwave sensing schemes for performing the multi-lane vehicle detection is provided in the present invention. According to the present invention, the signal-to-noise ratio (SNR) of the detected reflecting wave is varied withi... | 02/08/2011 |
| 7646311 | Image processing for a traffic control system Embodiments of the invention include methods and apparatuses relation to traffic control systems. In one embodiment, a traffic condition is identified by capturing a traffic image, masking the traffic image to obtain an image portion including a traffic image object... | 01/12/2010 |
| 7424309 | System in vehicles for making a telephone call A system for making a telephone call in a vehicle in which information concerning the traffic situation of a first vehicle is electronically processed and sent to a second vehicle. By apparatuses of further electronic processing, only relevant information concerning... | 09/09/2008 |
| 7289039 | Apparatus and method for processing and displaying traffic information in an automotive navigation system A vehicle navigation system for use with a traffic information broadcast system which transmits traffic data relating to primary road segments and a communication system which transmits traffic data relating to road segments in a local geographic area. A broadcast r... | 10/30/2007 |
| 7263435 | Method for determining a queue identification number and for determining the length of the queue A method of determining a tailback characteristic factor δ at operating stations for processing individually moving units having alternating hold-back and release phases and having a detector upstream of the respective operating station includes measuring the filli... | 08/28/2007 |
| 7246007 | System and method of communicating traffic information A system and method of automatically communicating traffic information from a traffic probe vehicle to a traffic information and management system when the probe vehicle is operated within an active traffic information reporting region. Geographic information about ... | 07/17/2007 |
| 7239963 | Method and apparatus for displaying navigation information A vehicle navigation apparatus enabling a user to know whether a data item for display is the latest updated one or has old contents, thereby allowing him/her to confidently drive according to a guidance route provided by navigation. The vehicle navigation apparatus... | 07/03/2007 |
| 7221289 | System and method for operating a loop detector The temperature of an operator circuit is measured. A relationship between the temperature of the operator circuit and characteristics of the operator circuit is determined. The relationship is applied to the measured temperature of the operator circuit to create an... | 05/22/2007 |
| 7197394 | Method, system and article of manufacture for identifying regularly traveled routes An in-vehicle navigation system includes a receiver for receiving real-time traffic information (RTTI), a database for storing routine trip information, and a processor for running a regular route application. The regular route application includes a learning mode p... | 03/27/2007 |
| 7145475 | Predictive automatic incident detection using automatic vehicle identification A system and method for detecting incidents along a roadway are provided. A plurality of readers are spaced at intervals along a roadway for reading uniquely identified data from each of a plurality of vehicles. These readings are correlated to obtain information on... | 12/05/2006 |
| 7106219 | Decentralized vehicular traffic status system A decentralized, mobile system for reporting and monitoring vehicular traffic status. A vehicle has a position determining device, a transceiver, and a local display and controller connected to a processor. The transceiver receives, transmits, and repeats local traf... | 09/12/2006 |
| 7103470 | Method and system for mapping traffic predictions with respect to telematics and route guidance applications A method is provided for predicting load of traffic of vehicles that are travelling according to non reference route plan, provided with Dynamic Route Guidance capability of their PMMS, in a Forward Time Interval related Route Segment and according to a predetermine... | 09/05/2006 |
| 7092818 | Method, system and article of manufacture for identifying regularly traveled routes An in-vehicle navigation system includes a receiver for receiving real-time traffic information (RTTI), a database for storing routine trip information, and a processor for running a regular route application. The regular route application includes a learning mode p... | 08/15/2006 |
| 7046169 | System and method of vehicle surveillance The invention relates to a system and method of conducting surveillance of stolen vehicles. Stolen vehicle information is downloaded from a database to a central server. At the central server, vehicle information is parsed to the specific requirements. Each subscrib... | 05/16/2006 |
| 7042369 | Road traffic monitoring system A traffic monitoring system comprises at least one sensor station (2) and an interferometric interrogation system (9); wherein the at least one sensor station (2) comprises at least one optical fiber sensor (5) deployed in a highway (1... | 05/09/2006 |
| 6997057 | Sound pollution surveillance system and method A system for detecting a sound level of vehicles comprising sensor units for detecting vehicles on a road and for measuring a sound level of a detected vehicle. A data processing unit is connected to the sensor units and has an identification recorder for operating ... | 02/14/2006 |
| 6961658 | Method, system and article of manufacture for identifying regularly traveled routes An in-vehicle navigation system includes a receiver for receiving real-time traffic information (RTTI), a database for storing routine trip information, and a processor for running a regular route application. The regular route application includes a learning mode p... | 11/01/2005 |
| 6924748 | Personal communication and positioning system A location tagged data provision and display system. A personal communication device (PCD) with electromagnetic communication capability has a GPS receiver and a display. The PCD requests maps and location tagged data from data providers and other for display on the... | 08/02/2005 |
| 6919548 | control system to automatically control vehicle headlamps An automatic vehicle headlamp dimming system which includes an optical system and an imaging processing system. The optical system is configured to discriminate between headlamps and tail lamps, and focus the light rays from the headlamps and tail lamps on different... | 07/19/2005 |
| 6885312 | Method and system for mapping vehicle parking A method and system for determining the vacancy of a parking space is described that allows a customer to remotely receive information about parking space availability before arriving at a parking lot or structure. This system allows the customer to determine whethe... | 04/26/2005 |
| 6879907 | Method and system for modeling and processing vehicular traffic data and information and applying thereof A method and system for modeling and processing vehicular traffic data and information, comprising: (a) transforming a spatial representation of a road network into a network of spatially interdependent and interrelated oriented road sections, for forming an oriente... | 04/12/2005 |
| 6868331 | Method for outputting traffic information in a motor vehicle The invention relates to a method for outputting traffic information in a motor vehicle. In order to present the driver with traffic information in such a way that he can adapt his driving behaviour and/or his selection of a route for his journey to the respective c... | 03/15/2005 |
| 6856902 | Systems and methods for providing alerts to a navigation device A navigation device, comprising a processor and one of a visual output device and an audio output device in communication with the processor. The processor calculates a geographic position of the device and provides one of a visual alert via the visual output device... | 02/15/2005 |
| 6850629 | Image processing method for preventing lane deviation An image processing method comprises the steps of generating a road image by photographing a road on which a vehicle is traveling; performing a brightness averaging process of the road image; filtering the road image having undergone the brightness averaging process... | 02/01/2005 |
| 6850269 | Mobile traffic camera system A process and a system for receiving compressed streaming video image data, simultaneously and continuously from a plurality of mobile sources, which stamp the data with time, location, and source identification. The data is processed by converting the location stam... | 02/01/2005 |
| 6828920 | System and method for classifying vehicles A system and method have been provided for classifying electronic signatures, obtained through the detection of a vehicle with a single loop inductive sensor, into one of a plurality of vehicle classification groups. A neural networking process is able to learn the ... | 12/07/2004 |
| 6810321 | Vehicle traffic monitoring using cellular telephone location and velocity data A vehicular traffic monitoring system communicates with a plurality of mobile communication devices carried in moving vehicles and capable of determining their respective geographic positions and velocities. A data collector receives data samples from the plurality ... | 10/26/2004 |
| 6781523 | Road traffic monitoring system Roadside wireless devices are installed at roadside positions corresponding to the traffic lanes entering an intersection. Roadside wireless devices are also installed at roadside positions corresponding to the traffic lanes exiting an intersection. The roadside wir... | 08/24/2004 |
| 6680674 | Adaptive geographic mapping in vehicle information systems A travel information system broadcasts a stream of traffic event information relative to a given road network and a information collecting devices carried in vehicles travelling within the road network each filter among the stream of traffic event informa... | 01/20/2004 |
| 6639521 | Inductive sensor and method of use An apparatus for detecting inductance, which is generally disposed outside of the roadway surface. The apparatus includes at least one large aperture wire-loop deployed beside the roadway, on either or both sides, to detect vehicular traffic passing nearb... | 10/28/2003 |
| 6631267 | Road-based evaluation and interpolation of wireless network parameters Techniques for determination of network parameters in, e.g., a processor-implemented system for characterizing, adjusting or optimizing the performance of a wireless network. In an illustrative embodiment, values of one or more link parameters of the wire... | 10/07/2003 |
| 6617981 | Traffic control method for multiple intersections A method for controlling a plurality of traffic intersections comprising (a) storing traffic flow data and related time data at each traffic intersection in a data storage unit; (b) periodically downloading the traffic flow data and the time data to a com... | 09/09/2003 |
| 6587779 | Traffic surveillance method and vehicle flow control in a road network In a method for monitoring and controlling traffic states in a road traffic system current or predicted traffic states are determined for one or more points and a distinction is made between the three types of traffic states: free-flowing traffic, slow-mo... | 07/01/2003 |
| 6587781 | Method and system for modeling and processing vehicular traffic data and information and applying thereof A method and system for modeling and processing vehicular traffic data and information, comprising: (a) transforming a spatial representation of a road network into a network of spatially interdependent and interrelated oriented road sections, for forming... | 07/01/2003 |
| 6542808 | Method and system for mapping traffic congestion System and method for mapping parameters of a queue of a road congestion. Length of the road congestion, motion rate and average arrival rate to the road congestion may be used to determine an expected delay in traveling as well as trends, using special r... | 04/01/2003 |
| 6532414 | Method and system for mapping traffic congestion System and method for mapping parameters of traffic congestion, for example, a road congestion, relative to a focus is disclosed. Mapping of the road congestion may include determination of an average length of the road congestion over a time interval, mo... | 03/11/2003 |
| 6504490 | Vehicle detection apparatus and vehicle detection method There are provided a vehicle detection apparatus and a vehicle detection method which are capable of detecting a sound source even when a plurality of vehicles are traveling simultaneously or when there are noises produced from something other than the de... | 01/07/2003 |
| 6489920 | Method for detecting a vehicle traffic status and system for detecting said traffic status From a body located at a distance above the surface of the earth, an image is recorded of a region that is located underneath the body on or above the surface of the earth and that has a diameter of at least one kilometer. The recorded image is fully geoc... | 12/03/2002 |
