79 results about "Stop sign" patented technology

In one instance, a light weight safety arm is coupled to and extends beyond a stop sign coupled to a motor-driven rotatable mount on an exterior side of a school bus. In another instance, a school bus safety device is disclosed that includes a stop sign portion, an arm portion, and a mounting portion. The arm portion, stop sign portion and mounting portion are cut out together as one piece from a single sheet of material. Other embodiments and variations are further disclosed.

A school bus stop arm and drive unit therefor are disclosed. The stop arm includes a stop sign and a drive unit for moving the stop sign between a retracted position and a deployed position. In some embodiments the stop sign is illuminated. In some embodiments the drive unit includes a controller.

A system may determine, for each frame of a plurality of frames of image data associated with a vehicle, a probability that each frame of the plurality of frames that includes an image of a stop sign is relevant to the vehicle. The system may determine a longest sequence of consecutive frames of the plurality of frames for which the probability satisfies a probability threshold. The system may determine a maximum probability associated with a frame included in the longest sequence of consecutive frames. The system may determine a time window based on a time associated with the frame associated with the maximum probability. The system may determine location data and sensor data for the vehicle based on the time window. The system may determine an occurrence of a stop sign violation based on the location data and the sensor data.

Systems and methods for detecting rolling stops are discussed. A stop sign is first identified in image data at vehicle devices. The image data of the strop sign and movement data for a speed of the vehicle are sent to a management device. The management device can verify presence of the stop sign, and determine whether the vehicle made a complete stop at the stop sign based on the movement data, a threshold speed, and a stop time threshold.

A school bus stop arm and drive unit therefor are disclosed. The stop arm includes a stop sign and a drive unit for moving the stop sign between a retracted position and a deployed position. In some embodiments the stop sign is illuminated. In some embodiments the drive unit includes a controller.

A system and method for deploying machine learning models with consistent fixed-point arithmetic processing. A computing device in a vehicle receives a trained machine learning model that was trained using training images processed with fixed-point arithmetic operations. The computing device receives images from a camera and processes the received images using fixed-point arithmetic operations that are consistent with those used during training. The machine learning model is executed using the processed images to detect objects such as vehicles, pedestrians, persons on bikes, stop lights, or stop signs. The computing device may comprise specialized hardware including a graphics processing unit (GPU), digital signal processing hardware decoder, or single-purpose hardware decoder such as an application-specific integrated circuit (ASIC) or field-programmable gate array (FPGA). The system may generate alerts or determine vehicle operation changes based on detected objects, and may operate in surveillance mode when the vehicle is parked.

The invention relates to an ultrahigh frequency RFID-based bus electronic stop board guide system and a guide method thereof, and the method comprises the steps: firstly, deploying an ultrahigh frequency RFID radio frequency unit at a bus electronic stop board end to recognize the identity of a bus waiting passenger at a stop in a real-time and non-contact manner, and determining the individual passenger and the potential or clear bus taking demands of the passenger; the real-time bus information of a line concerned by a passenger is directly pushed to the passenger or is preferentially and highlighted on a stop board, so that the time for the passenger to acquire the required information is greatly shortened, and the accuracy and efficiency of information acquisition are improved; secondly, through real-time statistics and analysis of the number of specific waiting passengers waiting for different routes on the station, the system can dynamically adjust the display priority, frequency and duration of information of each route according to the current actual demand, so that information display is more focused on the instant demand of the passengers, the utilization efficiency of the stop board screen resource is optimized, and the user experience is improved. And the interference of invalid information is reduced.

An analytic routine uses images from a cell phone, dash cam, or other portable electronic device to warn a driver that his / her vehicle is likely go through a red light, or fail to stop or sufficiently slow down at a stop sign or other stop signal. The analytic routine can be calibrated using relative sizes of a target in the first and second images, and apparent size of the target in the second image when at a time when the device is at an estimated or calculated distance to the target. Following calibration, the calibrated analytic routine uses information obtained from a third image to derive an estimated travel time to a second stop signal, and warns the driver to adjust a speed of the vehicle.

An ozone purification catalyst, and a preparation method therefor and an application thereof are provided. The catalyst coating uses macroporous, high specific surface and CeO2 and / or La2O3 modified Al2O3 as the carrier material, and Mn and / or Pd as the active component. The preparation method is to prepare the Al2O3-based material by a sol-gel method, and then to load the active components on the carrier material, and to dry, calcinate and solidify to obtain the ozone purification catalyst. The catalysts as prepared shows a fast and efficient purification of ozone. The complete conversion temperature covers a wide range of temperature. The catalyst has excellent texture performance, high specific surface area and large pore volume, which is beneficial to ozone purification when the car is running at high speed. The particle sizes and colors of the catalyst can be modified according to various requirements. According to the actual application, it can be coated on the radiator fins of automobile water tanks, and any place where coating is allowed in public areas such as urban bus stations, stop signs, kiosks, roadside guardrails, or exterior walls of buildings that is in contact with outdoor air.

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.

1. The name of this design product: Leather Magnetic Parking Sign (T‑202). 2. Purpose of this design product: used for temporary parking telephone number signs. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

To allow a vehicle user to grasp whether the vehicle user is appropriately behaving for driving.SOLUTION: A control unit of an information processor acquires the position of a temporary stop sign installed at an intersection ahead in the travel direction of a vehicle. The control unit of the information processor determines whether the vehicle has temporarily stopped within a first range as a first driving evaluation. The control unit determines whether the vehicle has traveled at or below a predetermined speed within a second range ahead of the first range in the travel direction as a second driving evaluation. The control unit outputs the results of the first and second evaluations. The first range and the second range are set according to the acquired position of the temporary stop sign.SELECTED DRAWING: Figure 6

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 present invention provides a method that specifically includes: performing target detection on each frame of a bus inspection video using an improved YOLOX algorithm; removing invalid data based on the detection results obtained in step 1; obtaining a usable frame sequence based on the processed detection results obtained in step 2 using an available frame search algorithm; and inputting the usable frame sequence into a DGoogLeNet network to obtain key frames from the bus inspection video. The key frame acquisition algorithm proposed in the present invention can significantly improve the efficiency of anomaly detection for bus stop signs.

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.

The invention relates to the technical field of bus early warning, in particular to an abnormal bus state early warning method and system based on an intelligent electronic stop board. The method comprises the following steps: acquiring real-time operation data and historical operation data of a bus; determining an abnormal state early warning model according to the historical operation data; determining abnormal state early warning information of the public transport vehicle according to the real-time operation data based on the abnormal state early warning model; and sending the abnormal state early warning information to an intelligent electronic stop board for display. Accurate and practical early warning information is provided, and passengers are assisted to make decisions. And the abnormal state early warning information is sent to the intelligent electronic stop board to be displayed, so that the information is ensured to be clearly transmitted, and the perception and trust of passengers on bus services are improved.

Some embodiments relate to environmental text perception using vision language models (VLMs). For example, an Advanced Driver Assistance System (ADAS) may identify candidate parking spaces, and a VLM may be used to evaluate parking signs and determine whether it is permissible and / or the cost to park in a candidate parking space. For example, frames from corresponding (e.g., front-facing, repeater, side pillar) camera(s) may be evaluated for corresponding parking signs (e.g., using a sign recognition DNN or a VLM). If a parking sign is detected, the image of the sign may be provided as input to a VLM with a textual prompt instructing the VLM to determine whether it is permissible to park at a corresponding location (and if so, the cost). The generated response may be provided to the ADAS to confirm or invalidate the candidate parking space, and a representation of the results may be provided to the driver.

1. The name of this design product: Parking Sign (3-in-1). 2. Purpose of this design product: A parking sign that combines aromatherapy, telephone number and safety hammer in one. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: use the status reference diagram.

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 present invention discloses an electronic lock mechanism for an electronic bus stop sign, which belongs to the field of public facilities. The electronic lock mechanism comprises a box body and a box door. The locking mechanism comprises a first state and a second state. When the locking mechanism is in the first state, the locking hook assembly is locked with the fastener. When the locking mechanism is in the second state, the locking hook assembly is separated from the fastener. The electromagnet and the magnetic block are relatively arranged in the cavity and the box door, and the electromagnet is electrically connected to the external power supply equipment. The induction plate is installed in the box body, and the electric control unit is electrically connected to the locking mechanism, the external power supply equipment and the induction plate respectively. Through the interaction between the locking mechanism, the magnetic assembly and the induction assembly, the problems of difficulty in opening the box door of the electronic bus stop sign and inability to monitor the locking state of the box door can be solved.

The invention relates to the technical field of intelligent traffic, and provides an electronic stop board information dynamic updating method based on real-time traffic data, which comprises the following steps: acquiring real-time traffic data of a bus; constructing a spatial-temporal characteristic matrix based on the real-time traffic data; inputting the spatial-temporal characteristic matrix into a hybrid prediction model, and outputting predicted traffic data; and based on the predicted traffic data, triggering updating of the display content of the electronic stop board. According to the method, high-precision arrival time prediction and scenarized information release are realized by constructing the spatial-temporal characteristic matrix and the hybrid prediction model.

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.

A stand column structure with a stop board of a bus station comprises stand columns, a ceiling bottom plate and the stop board. The stand column is hollow, a square opening is formed in one end of the peripheral side of the stand column, a square pipe extending out of the stand column is fixed to the square opening, a pressing ring is assembled on the peripheral side of the upper portion of the stand column, the peripheral side of the pressing ring extends upwards to form a pressing plate, a plurality of vertical elastic pieces are arranged on the upper end face of the pressing ring, and L-shaped clamping parts are arranged at the upper ends of the vertical elastic pieces. The ceiling bottom plate is arranged at the bottom end of a ceiling framework of the bus station, a round opening with the circle center located on the axis of the stand column is formed in the ceiling bottom plate, and a plurality of notches matched with the L-shaped clamping parts are further formed in the peripheral side of the round opening. The stop board is assembled at the outer end of the square tube and comprises a frame body with upper and lower openings, an upper plate is assembled at the upper end of the frame body, two groups of clamping plates are arranged at the lower end of the upper plate and used for being clamped into the upper opening of the frame body, a lower plate is assembled at the lower end of the frame body, and two groups of clamping plates are also arranged at the upper end of the lower plate and used for being clamped into the lower opening of the frame body. According to the stand column structure with the stop board of the bus station, the construction difficulty can be reduced, and the stop board can be conveniently adjusted and maintained.

Systems and methods for detecting rolling stops are discussed. A stop sign is first identified in image data at vehicle devices. The image data of the strop sign and movement data for a speed of the vehicle are sent to a management device. The management device can verify presence of the stop sign, and determine whether the vehicle made a complete stop at the stop sign based on the movement data, a threshold speed, and a stop time threshold.

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.