22 results about "Stop sign" patented technology

This invention relates to the field of public transportation technology, and particularly to a mobile electronic bus stop sign mounted on a bus. The sign includes a terminal device mounted on the right side of the bus. The terminal device is connected to a backend system via a network. The terminal device includes a housing structure with a display screen installed inside. The display screen is electrically connected to a control module installed inside the housing structure. The control module is connected to the backend system network via a communication module. A power module is installed inside the housing structure. The sign can display arrival prediction information for all routes passing through all stops; it can also display more basic information about bus routes, such as route name, direction of travel, first and last bus times, arrival reminders, and next stop reminders; and it can play media information, including videos, pictures, and text. Compared to traditional LED bus stop signs, this invention better meets the waiting needs of passengers and facilitates public transportation.

This invention relates to the field of smart city technology, and in particular to a method and system for accurately pushing dynamic information from smart city bus stop signs. The method involves constructing a query semantic representation structure by collecting query requests and scene state information, obtaining a joint understanding representation through multi-level semantic association modeling with scene state information, performing scene-constrained multi-hop reasoning in a public transport knowledge association network, filtering and generating candidate answer sequences, calculating scene suitability scores, selecting the optimal answer to generate push content, and collecting interactive feedback to adaptively adjust feature fusion weights to form a closed-loop optimization. This achieves accurate dynamic push of public transport information and improves user experience.

The utility model relates to the technical field of indication board structures, in particular to a parking signal board which comprises a base unit, a signal transmission unit and a signal transmission unit. The rotating unit is rotationally connected to the base unit, a stop mark is arranged on one face of the rotating unit, the rotating unit is provided with a first position and a second position, and when the rotating unit is located at the first position, the plane where the rotating unit is located is parallel to the plane where the base unit is located; when the rotating unit is located at the second position, the included angle between the plane where the rotating unit is located and the plane where the base unit is located is larger than 0. And the fixing unit is arranged on the bottom surface of the base unit, and the fixing unit is used for clamping a track. By means of the parking signal board, the defects that in the prior art, when railway business section blocking construction is conducted, a temporary parking signal board needs to be arranged in a railway business line safety limit, but an existing parking signal board needs to be fixed to a fastener bolt on the outer side of a rail, and the installation and disassembly process is tedious are overcome.

The utility model provides a kind of passenger vehicle right side rearview mirror integrated type stop board device, to solve the problem that current stop board is easily blocked, and passenger is difficult to see information. It includes mounting bracket, display panel and anti-glare transparent cover, mounting bracket is located in right side rearview mirror front end, display panel is installed on it, and it is electrically connected with vehicle control system through CAN bus to display line information, anti-glare transparent cover is fixed in rearview mirror and covers display panel. In addition, display panel orientation is 15 °-30 ° outside angle of extension with vehicle direction of advance, center line is 1.8-2.2 meters from ground, and LED electronic screen is used;Mounting bracket is aluminum alloy material, and it contains rotatable pivot and motor, and display panel angle can be adjusted. The device uses the advantage of rearview mirror, reduces shielding, and passenger obtains line information conveniently, and improves ride experience.

1. Name of this design product: Urban Intelligent Bus Stop Sign. 2. Purpose of this design: This design is used to display relevant traffic stop information. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

The invention provides an attention reminding device. The attention reminding device gives an attention reminding to a driver of the vehicle indicating that the vehicle needs to be stopped. A warning device is provided with: a camera and an object recognition unit that detect a temporary stop sign present in the direction of travel of a vehicle and at least one of a red light and a yellow light of a traffic light; a time-series data extraction unit that acquires information relating to the driving tendency of the driver with respect to the temporary stop sign and at least one of the red light and the yellow light of the traffic light; and an alarm control unit that uses the information relating to the driving tendency to control the timing at which the alert is to be given.

This invention discloses an anti-shading solar power supply system for outdoor electronic bus stop signs and shelters. It includes multiple sets of photovoltaic power generation units, each consisting of at least two solar photovoltaic panels connected independently in parallel with positive terminals connected to each other and negative terminals connected to each other, with no series connection between the power generation units. It also includes multiple independent PWM solar controllers, each with its input terminal electrically connected to only one set of power generation units, and each PWM controller is electrically independent. This invention employs multiple independent PWM solar controllers, each corresponding to a set of power generation units with multiple independently connected photovoltaic panels. The power generation units are not connected in series and generate electricity independently. When any photovoltaic panel is shaded by a building or tree, or its surface is partially covered by leaves, dust, bird droppings, or other substances, only the power generation power of the unit containing that photovoltaic panel is affected; other power generation units continue to operate normally.

An alert device issues an alert to a driver of a vehicle that the vehicle needs to be stopped. The alert device includes a camera and a target recognition unit that detect at least one of a stop sign and a red light or a yellow light of a traffic light present in a traveling direction of a vehicle, a time-series data extraction unit that acquires information related to a driving tendency of a driver with respect to the at least one of the stop sign and the red light or the yellow light of the traffic light, and an alarm controller that controls a timing of issuing an alert by using the information related to the driving tendency.

This utility model discloses a route-replaceable bus stop sign, relating to the field of public transportation facilities technology. Its structure includes a base, a bracket fixedly connected to the top of the base, a fixed frame fixedly connected to the inner side of the bracket, and a fixed rod fixedly connected to the inner side of the bracket. The fixed rod is fixedly connected to the bottom of the fixed frame, and glass windows are rotatably connected to the front and back of the fixed frame. This utility model allows for the removal and replacement of the route information card inside the bus stop sign, ensuring the real-time nature of the bus stop information, saving on the construction costs of public transportation facilities, and adding drainage and dustproof functions to prevent rainwater and dust from polluting and corroding the interior of the sign, thus improving the overall aesthetics of the sign and the user experience.

This invention discloses a low-power AI edge computing electronic bus stop sign and its energy-saving control method, belonging to the field of electronic bus stop sign technology. It aims to solve the problem that existing technologies cannot achieve sufficient energy-free heat dissipation between the area below the solar panel and the electrical structure below it. The key technical points are: it includes a solar panel, a canopy, and an energy-free cooling component. The solar panel is fixedly installed above the canopy, and the energy-free cooling component is installed below the solar panel. The energy-free cooling component includes a power component, a fluid exchange component, and a storage component. The power component includes a base, a sleeve, a spring, a pressure plate, and an inverted T-shaped piston column. Through the use of the energy-free cooling component and the conveying component, this invention can achieve more sufficient energy-free heat dissipation between the solar panel and the display screen, and can better preserve the electrical energy absorbed and stored by the solar panel through energy-free heat dissipation, achieving a better low-power effect.

The invention discloses an intelligent high-speed railway train tracking interval calculation method. An existing high-speed railway train mostly adopts a CTCS-3 / CTCS-2 train control system, and is generally designed based on a fixed blocking or quasi-moving blocking tracking mode. According to the method, the train length, the train service braking distance, the train emergency braking distance, the train safety protection distance, the block partition length, the distance from a parking mark to a departure signal machine, the station throat area length and the train route operation time are determined; and calculating train interval tracking interval time, train departure tracking interval time and train arrival tracking interval time. According to the method, the interval tracking interval, the departure tracking interval and the arrival tracking interval can be compressed.

The utility model discloses a bus electronic stop board display terminal, which comprises a shell, the shell comprises a shell body, the shell body forms at least one window, and the shell body forms an accommodating cavity; the at least one display part is mounted in the accommodating cavity, and the display part corresponds to the position of the window; the brightness detection mechanism is arranged to be capable of monitoring the brightness of the position where the station board is located, and the brightness detection mechanism is in communication connection with the controller; the at least one brightness adjusting assembly comprises a photoelectric converter, the photoelectric converter is installed in the containing cavity and is in communication connection with the brightness detection mechanism, and the photoelectric converter is arranged to convert an optical signal detected by the brightness detection mechanism into an electric signal; the controller can control the brightness of the display part according to the electric signal formed by the photoelectric converter; the light-emitting parts are arranged on the shell body so as to radiate light to the surrounding environment outside the display part, and the light-emitting parts are controllably connected to the controller.

This invention provides a vision-based parking control method, apparatus, device, and storage medium. The method includes: detecting a parking sign using a vision sensor based on an AGV; determining the AGV's first vertical position coordinates, second horizontal position coordinates, and tilt angle relative to the parking sign; controlling the forward movement speed of the AGV's chassis based on the first and second position coordinates until the AGV's vertical distance is less than a minimum vertical distance; controlling the backward movement speed of the AGV based on the second position coordinates and tilt angle until the AGV's vertical distance is greater than a first preset distance; and returning to continue executing the above steps until the AGV's vertical distance is greater than a minimum vertical distance but less than a maximum vertical distance, its horizontal distance is greater than a minimum horizontal distance but less than a maximum horizontal distance, and its tilt angle is greater than a minimum tilt angle but less than a maximum tilt angle. This invention improves parking accuracy.

To provide a warning device that can alert vehicle drivers without causing them any inconvenience. [Solution] The warning device 1 warns the driver of vehicle 2 that it is necessary to stop vehicle 2. The warning device 1 includes a camera 6 and an object recognition unit 12 that detect at least one of the stop sign 3 and the red or yellow light of a traffic signal that are in the direction of travel of vehicle 2, a time-series data extraction unit 14 that acquires information on the driver's driving tendencies regarding at least one of the stop sign 3 and the red or yellow light of a traffic signal, and an alarm control unit 20 that uses the driving tendencies information to control the timing of issuing a warning.

The invention discloses an improved YOLOv8n traffic sign target detection algorithm, and relates to the technical field of small target detection. According to the method, the small target detection precision is remarkably improved, the mAP50 value on a CCTSDB data set is improved by 5% compared with the original YOLOv8n, and the mAP50: 95 value is improved by 4.4%; on a RoadSign data set, the mAP50 value is increased by 4.3%, the mAP50: 95 value is increased by 3%, and the detection precision of various traffic signs such as indication, prohibition and warning is improved; according to the invention, the adaptability of complex scenes is enhanced, the DCNv3 module adapts to irregular-shaped targets, the CBAM module focuses key features, and the P2 layer strengthens small target capture, so that the model can still perform stable detection in complex scenes such as shielding, moving blur, light variation and the like; according to the method provided by the invention, the problem of class imbalance is relieved, a WIOUv3 loss function effectively solves the problem of non-uniform data set class distribution, for example, the mAP50 value of a small crowd class such as a parking sign (Stop) in a RoadSign data set is increased from 76.2% to 93.1%.

A community-driven computerized vehicle navigation system and method operates to direct vehicles to available parking spaces. Information on potential parking spaces is stored in a parking map database. Using a real time map server automotive navigation system (ANS) information, parking sign data and earth / street view images are processes, perhaps with an AI module, to generate individual parking space data that is stored in parking map database. Information from the map database is sent to a real time map server, which transmits it to a personal navigation device that is in the vehicle, which displays streets in the vicinity, GPS turn-by-turn directions and potential individual parking spaces. Users can indicate to the system the location of vacant individual parking spaces, which information is broadcast to other users in the vicinity. Information about metered parking and parking lots can also be uploaded to the system and displayed.

A road marking detection device is applied to a vehicle including a first camera that captures an image of at least a region in front of the vehicle, and a second camera that captures an image of at least a region in front of the vehicle and is capable of capturing a road surface region closer to the vehicle than a road surface region of the image captured by the first camera. The road marking detection device includes a processor that performs a process of detecting, by the second camera, a road marking corresponding to a detected temporary stop sign when the temporary stop sign in front of the vehicle is detected by the first camera.

This application provides a method and system for optimizing the energy consumption of bus stop signs based on multi-source data fusion, belonging to the field of display energy consumption optimization technology. The method involves real-time acquisition of the brightness of the bus stop sign's display screen and the illuminance and color temperature information of the current display environment; determining the brightness perception domain that a viewer can perceive under the current display environment based on the screen brightness and illuminance and color temperature information; acquiring the current display content of the bus stop sign; performing block-based equivalent optimization on the current display content based on the brightness perception domain; and generating an optimized display image of the bus stop sign under the current display environment. The optimized display image is then used to replace the current display content of the bus stop sign, thereby completing the display energy consumption optimization of the bus stop sign. This application, through the above technical solution, can combine ambient lighting characteristics and viewer brightness perception characteristics to perform differentiated optimization of display content, achieving accuracy in display energy consumption optimization under different environmental conditions.

The utility model discloses an energy-saving bus station billboard, which belongs to the technical field of billboards, and comprises a main body mechanism and an energy supply mechanism, the main body mechanism comprises a mounting frame and an LED screen, a mounting groove is integrally formed in the mounting frame, the LED screen is mounted in the mounting groove, a bus station board is mounted on one side in the mounting groove, and the LED screen is mounted on the other side in the mounting groove. A transparent plate is rotationally mounted at the top of the inner side of the mounting groove, and two supporting rods are arranged at the bottom of the mounting frame; the hydraulic cylinder is arranged to push the mounting frame to ascend and descend in a small range, so that the limiting state of the limiting seat on the transparent plate is changed, the transparent plate is conveniently opened when needed to independently maintain the LED screen and the bus stop board which are arranged in the mounting frame, and the LED screen and the bus stop board can be independently operated; maintenance personnel can easily detach the LED screen for replacement, maintenance or cleaning without affecting the overall stability of the advertising board, and the convenience and timeliness of maintenance work are greatly improved.

The utility model relates to the technical field of automatic mahjong machines, in particular to a tile blocking seat of a magnetic control mahjong machine, which comprises a baffle and a tile receiving piece, the top and the bottom of one side vertical face of the baffle respectively extend outwards to form a first skirt edge and a third skirt edge, and the tile receiving piece is rotatably connected with the first skirt edge. A first notch penetrating through the baffle is formed in the baffle corresponding to the tile receiving piece, one end of the tile receiving piece extends out of the baffle, a magnetic control plate used for detecting the swing position of the tile receiving piece is arranged on the baffle corresponding to one side of the tile receiving piece, and the magnetic control plate and the first skirt edge are arranged on the same side; the third skirt edge is horizontally arranged, the baffle plate is obliquely arranged, and the included angle between the baffle plate and the third skirt edge is greater than 90 DEG C. By adopting the technical scheme, the mahjong machine solves the problem that the mahjong receiving piece in the mahjong blocking seat is difficult to return naturally when the heights of the edges of the existing mahjong machine adopting a mahjong magnetic control identification technology are different.