74 results about "Tailgating" patented technology

Unauthorized entry into controlled access areas using tailgating or reverse entry methods is detected using machine vision methods. Camera images of the controlled area are processed to identify and track objects in the controlled area. In a preferred embodiment, this processing includes 3D surface analysis to distinguish and classify objects in the field of view. Feature extraction, color analysis, and pattern recognition may also be used for identification and tracking of objects. Integration with security monitoring and control systems provides notification when a tailgating or reverse entry event has occurred. More reliable operation in practical circumstances is thus obtained, such as when multiple people are using an entrance or exit under variable light and shadow conditions. Electronic access control systems may further be combined with the machine vision methods of the invention to more effectively prevent tailgating or reverse entry.

Vehicle tailgating detection system comprising an unmarked police vehicle having a back end, a camera, still or video, installed on the police vehicle facing rearwards for acquiring and recording visual identification information about the tailgating vehicle during the tailgating incident, and a proximity sensor installed on the police vehicle to determine and transmit information about the distance between the unmarked police vehicle and the tailgating vehicle. Also included is a data processing computer for recording and processing identifying information about the tailgating vehicle, information about the distance between the vehicles and the speed of the vehicles, and information about the location, date and time of the tailgating incident. A global positioning navigation device for acquiring and recording information about the location coordinates of the vehicles during the tailgating incident and means to print a report with details about the tailgating incident from which a moving violation citation may be issued are also provided.

A method for detecting moving objects including people. Enhanced monitoring, safety and security is provided through the use of a monocular camera and a structured light source, by trajectory computation, velocity computation, or counting of people and other objects passing through a laser plane arranged perpendicular to the ground, and which can be setup anywhere near a portal, a hallway or other open area. Enhanced security is provided for portals such as revolving doors, mantraps, swing doors, sliding doors, etc., using the monocular camera and structured light source to detect and, optionally, prevent access violations such as “piggybacking” and “tailgating”.

The present invention is a system for use, for example, in motorized vehicles to provide a warning signal directed to the attention of the driver of the equipped vehicle and also to the operator of a target vehicle, as well as possibly other drivers in the vicinity of the system-equipped vehicle of impending danger. The system senses the presence of obstacles that can be identified by scanning and subsequently tracked. Obstacles may be fixed objects or other vehicles either also moving or still. The system detects and determines the distance separating the object from the sensor location, its ground velocity and rate of closure. The system's signaling sound and light emitters are able to be positioned and adjustable to face a target receiver and are able to signal with varying sound and light patterns and output amplitudes.

Embodiments of the present invention provide for a system to detect and cite tailgating violations. The system may comprise a tailgating detector adapted to detect a tailgating vehicle, a recorder adapted to record identification information specific to the tailgating vehicle, an identification computer in communication a vehicle and registrant identification information database, a citation preparation computer adapted to prepare a tailgating citation, and a communication means for communicating the tailgating citation to the tailgating violator. The system may further include a payment computer adapted to determine whether proper payment has been received for the tailgating citation, a scheduling computer in communication with a court schedule database, a summons preparation computer adapted to prepare a summons, and a communication means for communicating the summons to the tailgating violator. Embodiments of the present invention also provide for a method to detect and cite tailgating violations.

A system and method for determining tailgating of users in a frictionless access control system are disclosed. The access control system includes a positioning unit that tracks locations of users carrying user devices relative to an access point of a premises, where the user devices transmit user information identifying the users via wireless signals. The access control system then determines whether the users are authorized to pass through the access point based on the wireless signals from the user devices and determines whether non-authorized users are tailgating through the access point with authorized users. In embodiments, the system can also determine tailgating of the users in response to analyzing video data of a scene including the users, where the video data is generated by a video camera positioned to capture the users when the users are within the threshold area.

The invention relates to the technical field of automobile safety, in particular to an automobile tailgating prevention and safe driving information exchange caution control system. The system comprises an information processing device, an information gathering and sending device, a caution device, a control device, a driving state recording device, an area broadcasting information device and a power supply device, wherein the information gathering and sending device, the caution device, the control device, the driving state recording device, the area broadcasting information device and the power supply device are connected with the information processing device. The method of the system includes the steps that 1) sending and gathering driving information of an automobile and vehicles around the automobile, and achieving safe driving information exchange of the vehicles; 2) processing the gathered driving information, and generating digital driving information, early warning signals and starting commands; 3) displaying the driving information and the early warning signals through pictures, voices and lamplight, and manually and automatically controlling safe driving vehicle distances and vehicle speeds. The system can display driving states of the automobile and the vehicles around the automobile in real time, achieves exchange of information of the vehicles, safe driving information early warning prompt and safe driving control, and prevents accidents of tailgating, collision and the like from occurring.

A method and system for the improvement of road safety. The system is able to determine if the driver is physically fit to operate a vehicle, and determine if the vehicle is safe for driving. The system is further able to detect driving violations such as driving above a predetermined speed limit, harsh acceleration, harsh deceleration, over-speeding period, idling period, driver's eyes closure, reckless lane change, tailgating, and drowsiness, and alert the driver accordingly. The system further keeps a record of all driving violations at a remote server (101).

The present invention relates generally to a trailer that can be stored compactly for transport to and from tailgating events. The custom tailgating and team entertainment trailer can be transported to a sporting event where tailgating is promoted, or hauled behind the family car to a children's team event. The customized trailer is formed from a steel frame shaped similar to a conventional 4×6 utility trailer upon which various kitchen equipment and appliance are supported and provides a 2000 pound gross vehicle weight rating for easy mobility and towing from a standard 1⅞″ hitch ball. A flat upper panel encloses the equipment when stored, and provides a horizontal support surface when deployed. A event grill is rollably deployed from behind a door on the trailers first side and, when extended, provides a five foot wide, four burner grilling surface provided with cooking fuel from pair of LP propane tanks mounted to a tank rack positioned for easy accessability and control at the trailer's front end. The rear of the trailer supports a double rear access door to allow for access and egress to the substantial enclosed storage area within, including a roll-out shelf for supporting ample other portable equipment, and a bin storage door mounted the trailers second side provides access to a rolling, two tier wire pull drawer for additional food storage adjacent to a prep tray door from which can be deployed a stainless steel, slide out preparation table.

A method and system for managing driving patterns by charging a variable incentive and / or disincentive based on individual driving behaviors. Distances detected between a vehicle and other vehicles are detected within a time period. N tailgating incidents are identified based on the detected distances being less than a threshold value for distance. A variable toll is determined by evaluating a function of a base amount and N. The driver of the vehicle is charged the variable toll. Charging the variable toll provides an incentive to the driver to encourage driving that does not include tailgating or a disincentive to the driver to deter tailgating.

The invention discloses a warning system preventing vehicle tailgating and a warning method, and relates to the field of vehicle safety. The warning system preventing vehicle tailgating is arranged in a vehicle to be used for preventing vehicle tailgating and collision to trigger a traffic accident, comprises a speed and distance obtaining module, a central control unit and a warning module, wherein the speed and distance obtaining module is used for obtaining realistic vehicle speeds and a realistic vehicle distance of the vehicle and a rear vehicle; the central control unit is used for receiving vehicle speed and vehicle distance information of the vehicle and the rear vehicle, calculating a corresponding safe distance according to the information and simultaneously judging whether the realistic vehicle distance is bigger than the safe distance or not; the warning module is used for giving a warning instruction according to a judging result of the central control unit to warn drivers of the vehicle and the rear vehicle to notice to control the vehicle speeds and steering to prevent vehicle tailgating. The invention further discloses the corresponding warning method. According to the warning system preventing vehicle tailgating and the warning method, the drivers can be warned to corresponding measures in advance when the distance between the two front and rear adjacent vehicles is over short and a tailgating and collision risk exists, and thus occurrence of the tailgating and collision accident is avoided.

The invention discloses a vehicle anti-collision method and device, belonging to the technical field of communication. The method comprises the steps of acquiring the instant point location coordinate of a vehicle which has an accident and the instant point location coordinate of a vehicle which runs at present; determining the relative position information of the vehicle which has the accident and the vehicle which runs at present according to the instant point location coordinate of the vehicle which has the accident and the instant point location coordinate of the vehicle which runs at present; and judging whether the vehicle which runs at present has a risk of accident or not according to the relative position information. The device comprises an acquisition module, a determination module and a judgment module. Since whether the vehicle which runs at present has the risk of accident or not is judged according to the relative position information of the vehicle which has the accident and the vehicle which runs at present in the embodiment disclosed by the invention, the vehicle which runs at present can make a response to the accident which happens at the front in advance according to the judgment result and chain-reaction tailgating accidents can be effectively reduced or even avoided.

The invention discloses a robot path planning method. A direction operator is introduced on the basis of an artificial fish swarm algorithm to improve the accuracy and the success rate of fish swarm behaviors such as clustering, tailgating and even foraging, and an immunological memory operation is added to improve the global searching capability of the algorithm and reduce the probability of local extreme values. Simulation experiments in two typical grid map environments show that compared with a fast genetic algorithm and an artificial fish swarm algorithm, the immunological-directional artificial fish swarm algorithm has the advantages of better result stability, shorter calculation time and feasible solution closer to the optimal path.

The invention relates to a pre-warning system for preventing tailgating of a rear vehicle. The pre-warning system comprises a signal collecting mechanism, a data processing mechanism and a pre-warning executing mechanism, wherein the signal collecting mechanism, the data processing mechanism and the pre-warning executing mechanism are installed on a current vehicle. The signal collecting mechanism is used for sending detecting waves backwards and receiving the detecting waves reflected by the rear vehicle, so that relative speed and the distance between the two vehicles of the rear vehicle and the current vehicle are monitored. The data processing mechanism is connected with the signal collecting mechanism, and whether a tailgating danger exists between the rear vehicle and the current vehicle or not is judged according to a preset condition on the basis of the relative speed and the distance between the two cars fed back by the signal collecting mechanism. The pre-warning executing mechanism is connected with the data processing mechanism, and pre-warning to a driver of the rear vehicle and / or the current vehicle is executed according to the judging result fed back by the data processing mechanism. The pre-warning system for preventing tailgating of the rear vehicle is capable of reminding the rear vehicle that the distance between the two vehicles is small and a safe interval needs to be kept and reminding the driver of the current vehicle that the rear vehicle is in an unsafe distance and behaviors such as braking need to be avoided as far as possible.

A system and method of identifying the occurrence of modifiable use conditions related to the safe use of fleet vehicles is described. Modifiable use conditions, such as the speed at which the vehicle is drive, tailgating and an excessive number of lane changes, represent opportunities to reduce unsafe uses of the vehicle. Modifiable use conditions are identified and the occurrence of such use conditions is determined. A user-defined statistical metric for the fleet, or a portion of the fleet, can be determined for each of the modifiable use conditions evaluated. The occurrence of modifiable use conditions related to safety of an individual vehicle, or a group of vehicles, can be compared with a larger group of vehicle, or the fleet, to determine vehicles which correspond to a metric of the fleet. Fleet managers can use this information to modify the use conditions of individual or group of vehicles to provide fuel savings for the fleet.

The invention relates to the field of city traffic safety facilities, in particular to a multi-color city tunnel exit guide visual reference system. The multi-color city tunnel exit guide visual reference system comprises exit section pavement colorful direction signs, side wall colorful guide patterns and curb vertical face marking lines. The multi-color city tunnel exit guide visual reference system starts in the range of 300-500 m in front of city tunnel exits and ends in tunnel exit ramps; different color systems are adopted by different ramp exits; meanwhile, side walls adopt the rhythm type tree patterns, and a 75-degree-angle is formed between the side walls and the uphill direction at the same time and is suitable for tunnel exits of which the uphill gradient is 2-5%; and the colors of the pavement colorful direction signs and the colors of the side wall colorful guide information are kept consistent, so that the pavement colorful direction signs and the side wall colorful guide information jointly form the multi-color tunnel exit guide visual reference system. According to the multi-color city tunnel exit guide visual reference system, the identification difficulty of the direction information and the gradient information for a driver can be lowered, the driver can be effectively guided to drive away from an expected exit, the operation efficiency in a city tunnel is improved, and meanwhile, the tunnel exit section safety is ensured, so that the accidents of tailgating and the like are avoided.

The invention discloses a braking device for a railcar. The braking device is arranged on a wheel carrier of a wheel set of the railcar. The braking device for the railcar comprises a braking frame arranged on the wheel carrier, wherein the braking frame comprises a rail sleeve capable of half-encircling a steel rail; a T-shaped groove is formed in the rail sleeve; brakes fixedly connected to the rail sleeve are arranged between the inner top, the left side part, the right side part, the left bottom and the right bottom of the rail sleeve and the steel rail. The steel rail is half-encircled by the T-shaped groove of the rail sleeve, the T-shaped groove turns to the bottom side of the steel rail, the brakes are arranged on the inner side of the rail sleeve, and are positioned between the rail sleeve and the steel rail, and gaps are formed between the brakes and the steel rail when the railcar normally runs, and are pneumatically expanded to drive the brakes to be closely attached to the steel rail to encircle the steel rail from the top, the left side part, the right side part, the left bottom and the right bottom in case of emergency braking, so that the railcar is synchronously braked under equal pressure in five gears and five points in emergency, derailment and tailgating are avoided, damage to the steel rail at low gears is avoided, safety is ensured by sacrificing the steel rail at high gears, and higher reliability of braking within a visual distance is achieved.

A controller for an elevator which can detect tailgating using a low-cost configuration and perform proper operation upon detection of tailgating. For this purpose, an ID checking device, a noncontacttype door sensor for detecting a user getting on a cage, and a weighing scale detection means for detecting a user in accordance with the deadweight of a cage are provided on the elevator. When use of the elevator by an identified person is detected by the ID checking device and when it is detected by both the noncontact type door sensor and the weighing scale detection means that a suspicious individual gets on a cage together with the identified person, it is judged that tailgating takes place. In the event of occurrence of tailgating, the controller controls the elevator to perform the specified operation for eliminating tailgating and for notifying occurrence of tailgating to the outside.

The invention provides a seat adjusting device with a tailgating protection function and a seat adjusting method and belongs to the technical field of automobiles. The problem that the safety is not high in the prior art is solved. The seat adjusting device with the tailgating protection function comprises an air bag ECU, a seat control module, a locking mechanism, a first crash sensor, a second crash sensor and a seat putting down mechanism, wherein the locking mechanism is connected with the seat control module, the first crash sensor is arranged on a longitudinal beam, and the second crash sensor is arranged inside a column A. The first crash sensor, the second crash sensor, the seat putting down mechanism and the seat control module are all connected with the air bag ECU. The seat adjusting method comprises the steps that after crashing occurs, whether truck tailgating of a vehicle occurs or not is judged at first, and air bags are directly exploded when common crashing of the vehicle occurs; and when truck tailgating of the vehicle occurs, the seat control module is started to unlock the locking state of seat back angles, and the seat putting down mechanism is started to conduct seat putting down operation. According to the seat adjusting device with the tailgating protection function and the seat adjusting method, the safety of a driver and passengers can be protected when vehicle tailgating occurs.

The invention relates to the technical field of car cruise control, in particular to a car self-adaptive cruise control method and system. The car self-adaptive cruise control method comprises the steps that self-adaptive cruise entering is conducted; the current car speed is obtained, and the first car distance value is obtained according to the car speed; whether the car distance between a car and a car in front is smaller than the first car distance value or not is detected; if yes, whether the car distance between the car and a left car or between the car and a right car is larger than thefirst set car distance or not is detected; if yes, whether the car distance between the car and a car behind is larger than the first car distance value or not is detected; and if yes, self-adaptivecruise exiting is conducted. Through the car self-adaptive cruise control method and system, occurring of the accident of collision or tailgating is avoided, so that the safety and flexibility of cruise driving are improved.

The invention discloses a warning method for vehicle tailgating, and the method comprises the following steps of: based on a predetermined time interval, collecting vehicle moving data in a continuous time sequence through a vehicle-mounted collecting device, wherein the vehicle containing the vehicle-mounted collecting device is the current one; calculating a front-vehicle operating speed in the current sequence time; based on the current-vehicle speed information and the pavement friction coefficient information, calculating the shortest current-vehicle brake time; based on the shortest current-vehicle brake time and the front-vehicle operating speed, calculating the interval among the current vehicle, the front vehicle and the shortest current-vehicle brake time; calculating the minimum current-vehicle braking distance under a locking condition; based on the calculated minimum current-vehicle braking distance, and the interval among the current vehicle, the front vehicle and the shortest current-vehicle brake time, judging whether tailgating risks are occurred, if not, returning the mentioned step, and continuing collection and judgment; if so, controlling to give warning signals. The invention further discloses a warning system for vehicle tailgating.

The invention discloses an automobile tailgating and colliding prevention warning device which comprises a storage battery, a trip computer, acceleration sensors, distance sensors, an interior voice annunciator, an exterior voice annunciator, a rear luminous strip lamp, a forced braking system and the like. The storage battery and the trip computer are in wire connection, the acceleration sensors and the distance sensors are arranged in the rear, on two sides of an automobile body and in the front of an automobile and connected with the trip computer through electric wires, and the interior voice annunciator, the exterior voice annunciator, the rear luminous strip lamp, the forced braking system and the like are connected with the trip computer respectively. Due to the acceleration sensors and the distance sensors, speeds and distances of an automobile ahead and an automobile behind can be effectively measured to prompt the automobile behind and the automobile so as to prevent tailgating and colliding.

The invention relates to an anti-tailgating method for vehicles and a pre-warning system. A pre-warning device controller is mounted on the vehicle, the tread depth and the position change rate of a brake pedal are obtained through the pre-warning device controller, so that whether the urgent brake state is reached is identified; and the acousto-optic warning for vehicle hazards is controlled to achieve the tailgating pre-warning. In addition, the driving speed of a self-vehicle and the gradient of a driving road are obtained by the pre-warning device controller to calculate the safety distance; and the pre-warning is started through detecting whether another vehicle enters the driving lane and whether the vehicle distance is shorter than the safety distance, and therefore the tailgating between the self-vehicle and a front vehicle is prevented. The pre-warning device controller receives signals output by a brake pedal position sensor, an inclination sensor, a self-vehicle speed obtaining module and a vision analysis module, and controls the acousto-optic warning for vehicle hazards, a driver of the self-vehicle is warned and drivers of the front vehicle and a rear vehicle are cautioned, and therefore the tailgating between two vehicles is prevented, and driving safety is increased.

The invention discloses a pre-warning device for preventing tailgating. The pre-warning device comprises a first shell, a detecting probe and a control device, wherein the first shell is disposed at the tail of a vehicle, the detecting probe is disposed on the first shell, the head of the detecting probe faces to the rear of the vehicle, the control device is disposed in the first shell, the input end of the control device is connected with the detecting probe and a power supply, and the output end of the control device is connected with an indicating device. The indicating device comprises a second shell disposed on a handlebar and three indicator lamps disposed on the second shell. The indicator lamps are connected with the first output end of the control device. The three indicator lamps respectively and correspondingly indicates vehicles from the left rear, the rear and the right rear. By the pre-warning device, conditions such as speed and distance of rear vehicles coming close can be detected, corresponding pre-warning signals can be given out if safety threat exists, a rider is allowed to avoid the rear vehicles timely, and accidents can be avoided.

Tailgating, or having party prior to a sporting event, most often a football game, is an American pastime. In recent years, tailgating has expanded to other sports, including baseball. For many years, cornhole games have been a mainstay during tailgating events at football games across the United States. However, the traditional cornhole game offers little challenge as the board has but one target opening and scoring is limited. Further, the traditional cornhole game has no real connection to the game of baseball; it does not present a representation of the field of play and does not apply the rules of baseball. The purpose of this invention is to create a method of play for a bean bag tossing game that is based on the game of baseball and incorporates the rules and strategies of the game of baseball.In an effort to create a baseball-based bean bag tossing game, the game must incorporate the imagery of a baseball field, the rules of the game, and the concepts of pitching, including balls, strikes and hits, one-, two- and three-base hits, homeruns, sacrifice bunts and sacrifice flies, outs at first, second and third base, fly outs, infield fly-outs and outfield fly-outs, double plays, steals and extra base hits. Players attempt to get hits to get runners on base, then try to bring the runners home to score.The game should also provide the player with an opportunity to use strategy when deciding what plays to make. With this baseball-based bean bag toss game, all of the main elements of the game of baseball listed above are incorporated and the game plays out similarly to a real game of baseball.

The invention provides a path guide method and a path guide device capable of avoiding tailgating as well as a vehicle intelligent driving assistance system. The method comprises the following steps:acquiring the relative motion state of the current vehicle as well as the current vehicle and the nearby vehicles, wherein the relative motion state comprises relative speed and relative distance, andthe nearby vehicles are front vehicles, left lane back vehicles and right lane back vehicles; according to the relative motion state of the current vehicle and the front vehicles, judging whether tailgating risk exists in the current vehicle or not; and if a tailgating risk exists in the current vehicle, generating path guide information according to the relative motion state of the current vehicle, the left lane back vehicles and the right lane back vehicles to guide the vehicle to avoid tailgating. Reasonable lane change information is recommended according to the road vehicle state under the condition that the tailgating risk exists in the vehicle, and a driver can be guided to perform lane change safely and effectively, so that the tailgating risk is avoided.

A method and system for managing driving patterns by charging a variable incentive and / or disincentive based on individual driving behaviors. Distances detected between a vehicle and other vehicles are detected within a time period. N tailgating incidents are identified based on the detected distances being less than a threshold value for distance. A variable toll is determined by evaluating a function of a base amount and N. The driver of the vehicle is charged the variable toll. Charging the variable toll provides an incentive to the driver to encourage driving that does not include tailgating or a disincentive to the driver to deter tailgating.

A system and method for determining tailgating of users in a frictionless access control system are disclosed. The access control system includes a positioning unit that tracks locations of users carrying user devices relative to an access point of a premises, where the user devices transmit user information identifying the users via wireless signals. The access control system then determines whether the users are authorized to pass through the access point based on the wireless signals from the user devices and determines whether non-authorized users are tailgating through the access point with authorized users. In embodiments, the system can also determine tailgating of the users in response to analyzing video data of a scene including the users, where the video data is generated by a video camera positioned to capture the users when the users are within the threshold area.

The invention discloses a vehicle compound rear bumper based on a negative poisson ratio structure. The vehicle compound rear bumper includes a rear anti-collision beam, a front anti-collision beam and an energy absorbing inner core. The front anti-collision beam and the rear anti-collision beam are connected in a matched mode to form a shell body containing the energy absorbing inner core. A compound energy absorbing inner core is obtained by a plurality of composite cell arrays with identical structures, and each of the composite cells comprises a negative poisson ratio single cell structureand a regular hexagon honeycomb structure. The rear anti-collision beam and the front anti-collision beam form a shell body with a radian through welding, and the compound energy absorbing inner coreis installed in the shell body. The vehicle compound rear bumper has good energy absorption performance duringuse, and when the vehicle is tailgated and collided, the collision energy can be effectively absorbed, the damage to an occupant from the tailgating and collision can be reduced, and the passive safety performance of the vehicle can be improved through the own stable deformation of the vehicle compound rear bumper.

The invention relates to the technical field of brake lamps, particularly relates to an intelligent tailgating preventive dynamic color change brake lamp for automobiles, and is suitable for modifyingexisting brake lamps for automobiles and mounting new produced brake lamps for automobiles. The intelligent tailgating preventive dynamic color change brake lamp has the advantages that the magnitudeof force during brake and the emergency degree of brake can be accurately and timely displayed by the intelligent tailgating preventive dynamic color change brake lamp; the difference of an LED lampbank of the intelligent tailgating preventive dynamic color change brake lamp can be controlled by intelligent single chip microcomputer control technologies, accordingly, diversified warning functions can be displayed and demonstrated, and the volume of a control panel can be reduced; two colors can be simultaneously displayed on the intelligent tailgating preventive dynamic color change brake lamp and can be synchronously, timely and accurately displayed on the intelligent tailgating preventive dynamic color change brake lamp, accordingly, intention of the front automobiles can be timely andaccurately judged by following drivers, and states of the automobiles can be timely adjusted; the intelligent tailgating preventive dynamic color change brake lamp is in dynamic comparison flicker warning forms, and accordingly obvious visual effects can be realized; the intelligent tailgating preventive dynamic color change brake lamp is provided with a Hall linear distance sensor, is small andis high in sensitivity; the reliability of products in vibration states can be improved; the intelligent tailgating preventive dynamic color change brake lamp is simple in structure and convenient todisassemble; detachable structures are arranged between various components of the intelligent tailgating preventive dynamic color change brake lamp.