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| Number | Title | Issue Date |
| 8188888 | Method and traffic control system for controlling traffic flows including hazardous material or abnormal load transportation units Disclosed are a method and a traffic routing system for controlling traffic flows in which hazardous or special material is transported through safety-critical traffic zones such as tunnels, bridges or locks. In the method and traffic routing system, safety-relevant... | 05/29/2012 |
| 8154423 | Traffic control system A traffic control system utilizes geometric or mathematical designs and/or secondary lights for traffic signals so as to allow red/green color blind individuals to determine whether the signal is for stop or go. ... | 04/10/2012 |
| 8154425 | Devices, systems and methods for reinforcing a traffic control assembly Devices, systems, and methods for reinforcing a traffic control assembly are provided. In some embodiments, a retrofitted traffic control assembly configured to reinforce a traffic signal assembly in high wind conditions is provided, where the assembly includes a cl... | 04/10/2012 |
| 8154424 | Sequenced vehicular traffic guiding system A system of signal emitting modules is disclosed. The modules emit light or other signals to warn oncoming traffic that a road or other pathway has changed or is traversing a tortuous pathway. The modules are interconnected in a sequence so that they flash on and of... | 04/10/2012 |
| 8130119 | Apparatus and program for controlling traffic signal in road construction section A traffic signal control apparatus acquires position information and travel condition information from vehicles around a construction section of a road in wireless communication, and determines a traffic congestion condition at the positions of those vehicles based ... | 03/06/2012 |
| 8125349 | Warning system for protection from wrong-way drivers The invention relates to a warning system (04) for protection from wrong-way drivers (11), in particular on freeways and expressways, wherein a warning and/or alarming of a vehicle traveling contrary to the prescribed travel direction is performed usin... | 02/28/2012 |
| 8089374 | LED signal light A signal is described that includes one or more LEDs that emit light and a lens that receives and collimates the light from the LED array. A distribution optic receives light from the collimating lens and distributes the light in a predetermined pattern according to... | 01/03/2012 |
| 8081087 | Flashing beacon A flashing beacon may include a signal unit, a control unit associated with the signal unit, a solar panel or collector, and an activation device that may all be mounted or otherwise positioned on a post of a roadway sign. Light units associated with the signal unit... | 12/20/2011 |
| 8040254 | Method and system for controlling and adjusting traffic light timing patterns The present invention relates to methods and systems for controlling and adjusting traffic light timing patterns, and more particularly, to a method and system for controlling and adjusting traffic light timing patterns based on input variables related to known or p... | 10/18/2011 |
| 8018350 | Devices, systems and methods for reinforcing a traffic control assembly Devices, systems, and methods for reinforcing a traffic control assembly are provided. In some embodiments, a retrofitted traffic control assembly configured to reinforce a traffic signal assembly in high wind conditions is provided, where the assembly includes a cl... | 09/13/2011 |
| 7994937 | Control circuit for an LED traffic light using a pulse width modulation signal A control circuit for traffic light includes a pulse control circuit, a control switch element, a control drive circuit, a power source, and an LED. The pulse control circuit includes a control chip is capable of outputting a low level signal and a pulse-width modul... | 08/09/2011 |
| 7994936 | Traffic environment recognition method and system for carrying out the same A traffic environment recognition system includes units for image-processing and information-merging, a radar unit. A network is connected to the image-processing unit. The radar, information-merging, and a vehicle control unit control the traveling operation of the... | 08/09/2011 |
| 7973675 | Goal-driven inference engine for traffic intersection management A system includes a plurality of sensors that provide information regarding instantaneous traffic conditions incident to an intersection. An inference engine of the system receives the sensor information and processes user-defined traffic control algorithms and weig... | 07/05/2011 |
| 7948398 | LED traffic signal without power supply or control unit in signal head A traffic signal is provided for controlling vehicular traffic. The traffic signal includes a light source (10) having a light emitting diode (LED) array (D1, D2, D3, D4). A power regulator (14) is associated with the light ... | 05/24/2011 |
| 7924170 | Detecting targets in roadway intersections The present invention extends to detecting targets in roadway intersections. A traffic sensor includes a transducer system and a transceiver system. The transducer system creates a plurality of transducer views for detecting targets located in a portion of the inter... | 04/12/2011 |
| 7889097 | Detecting targets in roadway intersections The present invention extends to detecting targets in roadway intersections. A traffic sensor includes a transducer system and a transceiver system. The transducer system creates a plurality of transducer views for detecting targets located in a portion of the inter... | 02/15/2011 |
| 7889098 | Detecting targets in roadway intersections The present invention extends to detecting targets in roadway intersections. A traffic sensor includes a transducer system and a transceiver system. The transducer system creates a plurality of transducer views for detecting targets located in a portion of the inter... | 02/15/2011 |
| 7876236 | Devices, systems, and methods for reinforcing a traffic control assembly Devices, systems, and methods for reinforcing a traffic control assembly are provided. In some embodiments, a retrofitted traffic control assembly configured to reinforce a traffic signal assembly in high wind conditions is provided, where the assembly includes a cl... | 01/25/2011 |
| 7859430 | LED road traffic signal light An LED road traffic signal light equipped with symbol patterning by chromaticity where a color-blind person can distinguish between red and yellow LED signal lights even at a predetermined distance without causing entire mixture discoloring. A red LED signal light c... | 12/28/2010 |
| 7859431 | Methods, systems and devices related to road mounted indicators for providing visual indications to approaching traffic A traffic informational system provides information to traffic moving along a road and may include a plurality of traffic information devices mountable to the road, each having an integral power producing source, at least a first set of illumination sources, and a w... | 12/28/2010 |
| 7843361 | Traffic signal transfer switch with housing constructions A transfer switch configured particularly for use with traffic signal controllers, to enable a traffic signal controller to be powered by a portable electrical generator, when utility line power is unavailable. A housing, configured to be mounted either on the surfa... | 11/30/2010 |
| 7825825 | Terminal and computer program product for receiving traffic information, method of providing signal light information, and method of guiding signal A terminal and computer program product for receiving traffic information, a method of providing traffic light information, and a method of guiding a signal are provided. The method of providing traffic light information includes receiving a message comprising traff... | 11/02/2010 |
| 7821422 | Traffic light signal system using radar-based target detection and tracking A novel system and method of integrating an RF emissions device, such as a radar system (103A), within a traffic control indicator (101) system. The system and method determines, using LFM-CW radar signals (201) and a multi-stage spectral proces... | 10/26/2010 |
| 7808402 | Multi-mode traffic signal bulb assembly Systems and methods of controlling traffic including a traffic signal. The traffic signal including one or more lamps configured to each display a plurality of patterns by selectively powering different groups of bulbs. Embodiments of the invention include lamps con... | 10/05/2010 |
| 7800515 | Warning system for barriers of highways A warning system for barriers of highways comprises a plurality of barrier plates erected on two sides of roads in a different distance arrangement, and each including an optical fiber and a power line for network connection and communication connected therewith, an... | 09/21/2010 |
| 7764194 | Vehicle-use communication apparatus for receiving information transmitted by modulated light from signal lamp of traffic signal apparatus A communication apparatus of a first vehicle receives information conveyed by modulated light emitted by a signal lamp of a traffic light apparatus or by the tail lamp of a preceding vehicle, and can relay the information to a second (following) vehicle, by modulate... | 07/27/2010 |
| 7764195 | Three-arrow LED traffic signal system A traffic signal system has a main housing unit that encloses three nested arrow signals pointed towards the top, namely, a red arrow signal, a yellow arrow signal nested within the red arrow signal, and a green arrow signal nested within the yellow arrow signal. Ea... | 07/27/2010 |
| 7764193 | Traffic regulation system A traffic regulation system (100) includes a first traffic light (110) for controlling traffic in a first direction, a second traffic light (120) for controlling traffic in a second direction intersecting the first direction, an infrared light d... | 07/27/2010 |
| 7746247 | Wearable, attachable, or hand-held, super-bright, led based, textual, safety alert sign and portable emergency/work light Accordingly, a primary object of the present invention is to provide a novel safety alert sign which provides a uniquely attention-getting and highly visible warning to oncoming drivers during both daylight, and, particularly twilight and dusk through the nighttime ... | 06/29/2010 |
| 7737864 | Traffic signal transfer switch with interlock constructions A transfer switch configured particularly for use with traffic signal controllers, to enable a traffic signal controller to be powered by a portable electrical generator, when utility line power is unavailable. A housing, configured to be mounted either on the surfa... | 06/15/2010 |
| 7696903 | Imaging system for detecting vehicle and human movement A traffic system for alerting a driver of a vehicle to a traffic sign includes a sensor and a control unit. The sensor may be an image sensor and the control unit may comprise a graphic processing unit (GPU) to detect the optical flow of objects in the captured imag... | 04/13/2010 |
| 7671760 | Traffic signal system A traffic signal system for utilizing an efficient and simplistic structure to regulate vehicle and pedestrian traffic. The traffic signal system includes a support member including at least one receiver member and at least one light module including a plug member e... | 03/02/2010 |
| 7667617 | Interactive bulletin board system and method A messaging board and a traffic light apparatus comprising a primary traffic panel including a first matrix of multicolored LEDs for directing motor traffic by displaying a plurality of images; a message panel including a second matrix of multicolored LEDs for displ... | 02/23/2010 |
| 7642928 | Traffic signal with integrated sensors A traffic signal including a housing, a light source disposed within the housing, and a door operably attached to the housing. The door is configured such that photons generated by the light source may be sensed outside the housing. The traffic signal also includes ... | 01/05/2010 |
| 7592927 | System and method for multiplexing traffic signals and bridge collapse detection A system and method for controlling transportation traffic signal beacons including powering a signal, encoding a signal state, and decoding the signal state at the beacon is presented. Furthermore, traffic signal beacons may be placed along the length of a bridge t... | 09/22/2009 |
| 7573401 | Highway intersection hazard warnings and traffic control system, and method of applying same A hazard warning and traffic control system includes a housing having at least two display faces oriented at an angle relative to one another, and an electronic controller including a timer. Each of the display faces contains multiple fields, and each of the fields ... | 08/11/2009 |
| 7573400 | Systems and methods for configuring intersection detection zones The present invention extends to configuring detection zones in a traffic monitoring system and to association of detection zones with corresponding traffic signal phases. One or more sensors detect targets within a roadway intersection. The sensors integrate acquir... | 08/11/2009 |
| 7561066 | Railroad wayside signal system This invention is a railroad wayside signal system positioned adjacent to a railroad track that comprises a mast that is attached to a support structure in an upright position. A signal head having one or more signal lights is mounted to the mast such that a locomot... | 07/14/2009 |
| 7551104 | Traffic control method and apparatus A method called as a time-differential-ratio method and its apparatus used for intersection traffic control that differentially operates on the traffic so as to change pass-permit direction with traffic status in time is disclosed. The method includes the steps of s... | 06/23/2009 |
| 7535380 | Optical device for indicating the glide angle for aircraft Optical device for indicating the glide angle for aircraft, comprising at least one unit (10) for generating a light ray with a predefined colour, at least one unit (20) for transmitting said light ray and creating a light image, and at least one unit ... | 05/19/2009 |
