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14731 results about "Pedestrian" patented technology

A pedestrian is a person travelling on foot, whether walking or running. In modern times, the term usually refers to someone walking on a road or pavement, but this was not the case historically. The meaning of pedestrian is displayed with the morphemes ped- ('foot') and -ian ('characteristic of'). This word is derived from the Latin term pedester ('going on foot') and was first used (in English language) during the 18th century. It was originally used, and can still be used today, as an adjective meaning plain or dull. However, in this article it takes on its noun form and refers to someone who walks.

Emergency vehicle traffic signal preemption system

An emergency vehicle traffic light preemption system for preemption of traffic lights at an intersection to allow safe passage of emergency vehicles. The system includes a real-time status monitor of an intersection which is relayed to a control module for transmission to emergency vehicles as well as to a central dispatch office. The system also provides for audio warnings at an intersection to protect pedestrians who may not be in a position to see visual warnings or for various reasons cannot hear the approach of emergency vehicles. A transponder mounted on an emergency vehicle provides autonomous control so the vehicle operator can attend to getting to an emergency and not be concerned with the operation of the system. Activation of a priority-code (i.e. Code-3) situation provides communications with each intersection being approached by an emergency vehicle and indicates whether the intersection is preempted or if there is any conflict with other approaching emergency vehicles. On-board diagnostics handle various information including heading, speed, and acceleration sent to a control module which is transmitted to an intersection and which also simultaneously receives information regarding the status of an intersection. Real-time communications and operations software allow central and remote monitoring, logging, and command of intersections and vehicles.
Owner:CALIFORNIA INST OF TECH

Emergency Vehicle Warning Device and System

An emergency vehicle warning device and a vehicle warning system method for notifying a person (and plural) in a moving vehicle (and plural), an approaching emergency vehicle (and plural), including a transmitter for transmitting an emergency signal from an emergency vehicle and a receiver embedded in a siren and light vehicle warning device located near or attached to a traffic signal, and the receiving vehicle warning devise emits lights and loud siren sounds, which alert driver(s) of moving vehicle(s) and pedestrian(s), that the emergency vehicle(s) are approaching a nearby intersection; and the Emergency vehicle warning system comprising a transmitting means located in an emergency vehicle for transmitting an emergency signal indicating that the emergency vehicle(s) are approaching the intersection that is activated or starts and continues signaling when emergency vehicle(s) are on the move nearby in emergency conditions, a receiving means located in a siren and light vehicle warning device, such device located near or attached to a traffic signaling device or light, such receiving means for receiving the emergency signal from the transmitting means, and an alert means triggered by the receiving means to alert the driver of the moving vehicle(s) that the emergency vehicle(s) are approaching.
Owner:APPLEBAUM CRAIG DAVID

Spring stiffness adjustable tuning quality damper

The invention specifically relates to a mass tuned vibration reducer used for controlling the vibration of an aerobridge in the airport, a large-span pedestrian bridge, a port trestle, high-rise buildings and the related structures. The mass tuned vibration reducer comprises a mass block, a spring, a damper and a base; wherein, the spring can be a spiral spring, a disc spring or a plate spring, and the end part of the spring is provided with a rigidity regulating device. The mass tuned vibration reducer can successfully realize the regulation on the natural frequency of a TMD system under the condition of needing not to assemble and disassemble the TMD since the end part of the spring is provided with the rigidity regulating device, so as to simplify the difficulty of regulation work, avoid the waste of manpower and materials and greatly reduce the construction cost. Meanwhile, the natural frequency and the damping of the system can be regulated in an optimized way under the condition of needing not to assemble and disassemble the TMD, thereby better exerting the vibration absorption performance of the mass tuned vibration reducer, ensuring safety and stableness of the pedestrians and vehicles on the large-span bridge and the thin and high building, contributing to prolonging the service lives of the thin and high building and the bridge, and having remarkable economic and social benefits.
Owner:尹学军 +1

Emergency vehicle traffic signal preemption system

An emergency vehicle traffic light preemption system for preemption of traffic lights at an intersection to allow safe passage of emergency vehicles. The system includes a real-time status monitor of an intersection which is relayed to a control module for transmission to emergency vehicles as well as to a central dispatch office. The system also provides for audio warnings at an intersection to protect pedestrians who may not be in a position to see visual warnings or for various reasons cannot hear the approach of emergency vehicles. A transponder mounted on an emergency vehicle provides autonomous control so the vehicle operator can attend to getting to an emergency and not be concerned with the operation of the system. Activation of a priority-code (i.e. Code-3) situation provides communications with each intersection being approached by an emergency vehicle and indicates whether the intersection is preempted or if there is any conflict with other approaching emergency vehicles. On-board diagnostics handle various information including heading, speed, and acceleration sent to a control module which is transmitted to an intersection and which also simultaneously receives information regarding the status of an intersection. Real-time communications and operations software allow central and remote monitoring, logging, and command of intersections and vehicles.
Owner:CALIFORNIA INST OF TECH

Active safety type assistant driving method based on stereoscopic vision

InactiveCN102685516AAvoid tailgatingPreventing accidents such as frontal collisionsImage enhancementImage analysisActive safetyDriver/operator
The invention discloses an active safety type assistant driving method based on stereoscopic vision. An active safety type assistant driving system comprehensively utilizes an OME information technology, consists of a stereoscopic vision subsystem, an image immediate processing subsystem and a safety assistant driving subsystem and comprises two sets of high resolution CCD (charge-coupled device) cameras, an ambient light sensor, a two-channel video collecting card, a synchronous controller, a data transmission circuit, a power supply circuit, an image immediate processing algorithms library, a voice reminding module, a screen display module and an active safety type driving control module. According to the active safety type assistant driving method, separation lines and parameters such as relative distance, relative speed, the relative acceleration and the like of dangerous objects such as front vehicles, front bicycles, front pedestrians and the like can be accurately identified in real time in sunny days, cloudy days, at nigh and under the severe weather conditions such as rain with snow, dense fog and the like, so that the system can prompt a driver to adopt countermeasure through voice and can realize automatic deceleration and emergency brake at emergency situation, thereby ensuring safe travel in a whole day.
Owner:李慧盈 +2

Safe state recognition system for people on basis of machine vision

The invention discloses a safe state recognition system for people on the basis of machine vision, aiming to solve the problem that the corresponding intelligent control decision for the vehicle driving behaviour can not be formulated according to the safe state of the people in the prior art. The method comprises the following steps: collecting a vehicle-mounted dynamic video image; detecting and recognizing a pedestrian in an interested area in front of a vehicle; tracking a moving pedestrian; detecting and calculating the distance of pedestrian in front of the vehicle; and obtaining vehicle real-time speed; and recognizing the safe state of the pedestrian. The process of recognizing the safe state of the pedestrian comprises the following steps: building a critical conflict area; judging the safe state when the pedestrian is out of the conflict area in the relative moving process; and judging the safe state when the pedestrian is in the conflict area in the relative moving process. Whether the pedestrian enters a dangerous area can be predicted by the relative speed and the relative position of a motor vehicle and the pedestrian, which are obtained by a vision sensor in the above steps. The safe state recognition system can assist drivers in adopting measures to avoid colliding pedestrians.
Owner:JILIN UNIV

Four-dimensional live-action traffic road condition perceiving and early-warning monitoring management system based on radar tracking and positioning

The invention provides a four-dimensional live-action traffic road condition perceiving and early-warning monitoring management system based on radar tracking and positioning. According to the four-dimensional live-action traffic road condition perceiving and early-warning monitoring management system, a tracking and positioning technology, a license plate snapping technology, a vehicle and pedestrian three-dimensional simulation technology, a road monitoring technology, an early-warning and alarming technology, a traffic condition simulation technology, a network communication technology, a meteorological simulation technology, a computer graphic technology, a video rendering technology, a three-dimensional high-precision GIS map technology, a virtual reality fusion technology, a vehicle-road collaborative technology and a navigation technology are perfectly fused together; and through the system, the various demands of road traffic operation managers for road real-time monitoring orarea monitoring and the information demands of traveling of drivers and passengers for real-time and real traffic conditions are greatly met, and the various drawbacks which are imperfect and cannot be solved in an existing monitoring system are overcome, so that the management efficiency of the road managers is improved, the firm foundation is laid for automatic management of roads, and the important safety guarantee is also provided for traveling vehicles on the road.
Owner:河北德冠隆电子科技有限公司
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