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53results about How to "Arrive in time" patented technology

Information interaction method and device based on instant messaging system

The invention provides an information interaction method based on an instant messaging system, comprising: a first message submitted by a user on a message submitting page is received; an ID of the first message is generated; the contact person information of the user is obtained and prompt information is displayed at clients of all contact persons according to the ID of the user and the ID of the first message; the message submitting page is returned according to an extract request emitted by the contact against the ID of the first message; receiving a second message submitted by the contact person on a message reply page; the ID of the second message is generated; the prompt information at the client of the user is displayed according to the ID of the second information and the message replay page is returned according to the extract request emitted by the user against the ID of the second message. The invention can effectively improve the utilization rate of resources and reduce the occupancy of the resources.
Owner:ALIBABA GRP HLDG LTD

Privileged vehicle passage method, device and system

The invention provides a privileged vehicle passage method, device and system. Avoiding information is calculated and obtained through unprivileged vehicles according to second position information of current running of the unprivileged vehicles, planned route information, first position information and speed information; the unprivileged vehicles perform corresponding avoiding treatment according to the avoiding information; the unprivileged vehicles are made to obtain the planned route information and the like of privileged vehicles as early as possible and avoid the privileged vehicles in advance according to the information. Thus, the roads ahead of privileged vehicles are free of the congestion caused by gathering of unprivileged vehicles and the privileged vehicles can arrive at destinations in time.
Owner:SAIC MOTOR

Communication terminal and prompting method and device

A communication terminal, a prompting method and a device are provided. The method includes: acquiring and storing travel related information, wherein the travel related information includes a predetermined destination location, and travel time corresponding to the predetermined destination location; when the present moment meets the preset time conditions, calculating the distance between the current location of the communication terminal and the predetermined destination location; and when the distance between the current location of the communication terminal and the predetermined destination location meets the preset distance condition, executing the prompting operation. The above method, device and communication terminal can timely and actively prompt the users at the right time and place, and does not cause interference to the user, so as to provide convenience for the users.
Owner:SPREADTRUM COMM (SHANGHAI) CO LTD

Robot

This robot moves to a place where a user exists in accordance with a call of the user to call it, recognizes pressing of a push button switch as an intention of the user to have communication when the press button switch is pushed by the user, dials up a previously registered telephone number of the other party for emergency communication, phonetically informs a message to the other party by reading the previously specified message when the other party answers the telephone and thereafter makes the telephone in a hand-free state making it possible to speak over the telephone without using hands.
Owner:FUJITSU LTD

Temporary visitor real-time positioning automatic navigation system and method

The invention discloses a temporary visitor real-time positioning automatic navigation system and a temporary visitor real-time positioning automatic navigation method. The method comprises the following steps that authentication is carried out on an entering visitor and identity information of the visitor and identity information of a visited inhabitant are acquired; a call request is sent out to a room of the inhabitant, wherein the identity information of the visitor and the identity information of the visited inhabitant are carried in the call request; after a positive response is obtained, a mobile terminal is distributed for the visitor, the mobile terminal is initialized, an inhabitant house number of the visited inhabitant is input into the mobile terminal and the mobile terminal is given to the visitor to be carried; the visitor arrives at the inhabitant house according to a horizontal distribution diagram of each building in a community, which is displayed by the mobile terminal, a position corresponding to a unit of the inhabitant and a room position of the inhabitant and a path from a gate of the community to the inhabitant; the mobile terminal is communicated with a control center in real time and a specific position of the mobile terminal in the community is acquired and displayed. The temporary visitor real-time positioning automatic navigation system and the temporary visitor real-time positioning automatic navigation method are convenient for the visitor to know the position of the visitor in real time so as to regulate the route without taking a detour.
Owner:HEFEI COMPASS ELECTRONICS TECH

Attached type air supply method applicable for two side walls of capsule hotel

The invention discloses an attached type air-supply method applicable for the two side walls of a capsule hotel, the parts, adjacent to side wall surfaces and positioned at two sides below the top, of a wall surface opposite to each independent space inlet are respectively provided with an air supply outlet, the air supply outlets tightly adhered to the wall surface opposite to each independent space inlet in the capsule hotel is used for supplying air downward, the upper parts of the air supply outlets are connected with indoor air supply devices which are composed of air supply pipelines, and the air supply pipelines are connected with outdoor air supply pipelines. The method provided by the invention can be used for solving the problem that the draught sensation and fresh air generatedby short-distance air supply in a small space are not enough, ensuring the air-supply speed to be rapidly reduced and the fresh air to reach a breathing area in time, and avoiding the tightness caused by draught sensation and insufficient fresh air generated by ventilation. The method is suitable for the short-distance air supply and a small-space air condition occasion with the higher requirement on the comfort level, such as the air conditioning air supply of the capsule hotel, ensures that the fresh air can reach a breathing area in time while the draught sensation is not generated, ensures the air-supply comfort level, and can be used for achieving the effects of use space conservation and energy conservation.
Owner:XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY

CAN network system and packet transmission control method

The invention provides a packet transmission control method based on a CAN network system. The method comprises the steps that a CAN converter receives CAN packets sent by a number of network nodes; the type of the CAN packets is analyzed; if the CAN packets are the first type, the CAN packets are sent to a monitoring host; if the CAN packets are the second type, the CAN packets are written into corresponding transmitting buffer areas; and the CAN converter sequentially sends the CAN packets in a number of transmitting buffer areas to the monitoring host according to a predetermined period. According to the packet transmission control method based on the CAN network system, which is provided by the invention, CAN network congestion can be effectively avoided, and the packet response speed is improved. The invention further provides the CAN network system.
Owner:BYD CO LTD

Portable emergency water treatment system applicable to victim settlement point in disaster area

The invention discloses a portable emergency water treatment system applicable to a victim settlement point in a disaster area. The portable emergency water treatment system is provided with a portable draw-bar box; universal wheels are mounted at the bottom of the portable draw-bar box; a raw water tank, a domestic water tank, an ultrafiltration membrane purifier, an in-depth purifier, a reverse osmosis water purifier and a disinfection device are arranged in the draw-bar box; the raw water tank is connected with the ultrafiltration membrane purifier; the ultrafiltration membrane purifier is connected with the in-depth purifier; the in-depth purifier is connected with the reverse osmosis water purifier; the reverse osmosis water purifier is connected with the disinfection device; and the disinfection device is connected with the domestic water tank. The portable emergency water treatment system is applicable to treatment of a variety of water sources and water qualities and ensures that the water quality of drinking water in the victim settlement point reaches the standard; the water purification modules are separately mounted in the draw-bar box which is portable, so the portable emergency water treatment system can be brought to the disaster area in time; and the portable emergency water treatment system does not need addition of reagents, is applicable to treatment of a variety of water sources and water qualities, can ensure that the water quality of drinking water in the victim settlement point reaches the standard, is assembled and degugged on site and simple to operate and maintain, and has high reliability.
Owner:CHINA IRRIGATION & DRAINAGE DEV CENT

Route planning method and device

The invention aims at providing a path planning method and device. The method comprises the steps of receiving names, geographic positions and expected arrival time of candidate endpoints transmitted by user equipment and the name and the geographic position of corresponding at least one via point; carrying out route planning on the basis of the names, the geographic positions and the expected arrival time of the candidate endpoints and the name and the geographic position of the corresponding at least one via point to obtain the name, the geographic position and the expected arrival time of a destination endpoint and the name, the geographic position and the expected arrival time of the via point in each planned route, so that planning of each planned route is achieved, consumption of manpower and material resources is reduced and the planning efficiency of each route is improved. The name, the geographic position and the expected arrival time of the destination endpoint and the name, the geographic position and the expected arrival time of the via point in each planned route are transmitted to the user equipment, so that the user equipment can accurately reach the corresponding destination endpoint on the basis of one planned route.
Owner:上海雷腾软件股份有限公司

A project progress monitoring system based on BIM

The invention relates to a project progress supervision system based on BIM. The invention relates to the field of building information model. The problem that a project supervisor cannot timely knowwhether each construction part is carried out according to a plan or not is solved; The system comprises a control terminal, Construction completion time database, The system comprises a constructionpart, a construction part three-dimensional visualization model database, a three-dimensional panorama data acquisition device, a construction part real-time three-dimensional panorama database, a conversion device for converting three-dimensional panorama data into a three-dimensional visualization model, a supervisor mobile phone database in which the construction part and a corresponding supervisor mobile phone number are stored, and a short message prompting device. The method has the advantage that engineering supervision can conveniently know each construction part which is not completedaccording to the plan and the corresponding delay time.
Owner:深圳市国晨工程造价咨询有限公司

Power equipment safety monitoring system based on wireless network

The invention discloses a power equipment safety monitoring system based on a wireless network. The power equipment safety monitoring system comprises an equipment monitoring unit, a wireless receiving-transmitting module, a main wireless transceiver, a remote monitoring platform, an alarm device and an intelligent mobile terminal, wherein the equipment monitoring unit and the wireless receiving-transmitting module are arranged in each piece of power equipment; two kinds of wireless receiving-transmitting modules are arranged in the power equipment; one kind of wireless receiving-transmitting module comprises a wireless transceiver; and the other kind of wireless receiving-transmitting module comprises a relay wireless transceiver. In the power equipment safety monitoring system, 5 to 10 pieces of power equipment are divided into a group, and the wireless receiving-transmitting module in one piece of power equipment in each group communicates with the main wireless transceiver of the system, so that the power consumption of a source wireless transceiver is lowered; the data transmission capability of the power equipment safety monitoring system is enhanced; and the power equipment safety monitoring system runs more stably. Moreover, when the remote monitoring platform monitors that certain power equipment encounters an exception, maintenance personnel can go to the exceptional power equipment to repair in time no matter where the maintenance personnel is, so that the repair time of the power equipment is saved.
Owner:STATE GRID SICHUAN ELECTRIC POWER COMPANY NEIJIANG POWER SUPPLY +1

Fire-fighting, fire-extinguishing and rescue intelligent path planning method and system

The invention discloses a fire-fighting, fire-extinguishing and rescue intelligent path planning method and system. The method comprises the following steps: establishing a road hierarchical structuremodel by taking road properties, road specifications and traffic information as influence factors; determining a weight vector of each influence factor in the road hierarchical structure model by adopting an analytic hierarchy process; constructing a road network directed graph, obtaining a current starting point position, a terminal point position and real-time road condition information in realtime, and calculating a time-varying weight value of each road section in combination with the weight vector of each influence factor; and performing real-time path planning by taking the shortest time as a decision-making target based on the time-varying weight of each road section. According to the invention, the vehicle can actively avoid coherent road sections, and then time optimal path planning is performed based on the time-varying weight of each road section, thereby ensuring that the fire-fighting vehicle arrives at a fire scene in time.
Owner:WUHAN WUTOS

Network security system and method based on big data

The invention discloses a network security system and method based on big data, and belongs to the technical field of intelligent traffic. The network security system comprises a traffic integrated management system, an information acquisition module, a control management module and a control terminal module; the information acquisition module is used for transmitting acquired traffic informationon roads corresponding to an intersection to be monitored to the traffic integrated management system; the traffic integrated management system controls the control terminal module located on the corresponding intersection through the control management module; the control terminal module comprises a handrail, a traffic light, a broadcaster and a screen; and the handrail is arranged at the intersection, corresponds to the traffic light information and is used for controlling the passage of the traffic flow. According to the network security system and method, the traffic signal lamp is controlled to realize targeted evacuation and guidance of the traffic flow, and evacuation and guidance can be carried out on special emergency vehicles in advance in a targeted mode; and for some major accidents, vehicles can be reminded to detour, and rescue can be carried out in time.
Owner:牛静洁

Automatic control system and method for fan air supply of data center computer room

The invention provides an automatic control system and method for fan air supply of a data center computer room. An automatic air-conditioner control system is partitioned, fan air supply control serves as management subsystem independent control, the number of controllers is reduced, and construction and maintenance cost is reduced. The automatic control system comprises an upper computer, a central controller, the unit controllers, fan frequency converters and air valve actuators, wherein the fan frequency converters and the air valve actuators are connected with fans. The upper computer is connected with the central controller, the central controller is connected with the unit controllers, and the unit controllers are connected with the fan frequency converters and the air valve actuators. The unit controllers control the magnitude of power of the fans through the fan frequency converters and control the opening degrees of air valves through the air valve actuators, so that the fresh air supply volumes of the fans are controlled. The central controller sends control signals to the unit controllers and feeds feedback signals back to the upper computer.
Owner:BEIJING DAILY TECH

Method and system for bus operation management

The invention discloses a method for bus operation management. The method comprises the following steps: 1) entering the driver information and binding it to the corresponding bus; 2) determining whether the bus appears at the terminal station by using the method of radio frequency identification, determining whether the bus travels, and increasing the travel record once per trip; 3) setting a number of location points on the driving route of the bus, dividing the running route of the bus into different sections, setting corresponding speed limit values corresponding to different sections, andmaking an overspeed judgment according to the speed limit values; 4) storing the information generated in steps 1) to 3) in the single chip microcomputer, and reading the information through the terminal device communicating with the single chip microcomputer. The method for bus operation management is convenient for realizing automatic attendance, effectively improving the efficiency of the busoperation, and does not require background monitoring. The invention also provides a system for bus operation management.
Owner:FOSHAN POLYTECHNIC

Automatic broadcasting and issuing method and system

The present invention provides an automatic broadcasting and issuing method and system, which relates to the technical field of emergency broadcast. The method includes: receiving a broadcast message, wherein the broadcast message includes a first emergency broadcast message and a second emergency broadcast message; judging whether the first emergency broadcast message meets an automatic broadcasting and issuing condition; if not, acquiring an issuing region from an automatic broadcast interface according to the first emergency broadcast message or the second emergency broadcast message; acquiring a selection operation of a user on the automatic broadcast interface; and issuing and broadcasting the first emergency broadcast message or the second emergency broadcast message in the issuing region according to the selection operation. The method and system of the present invention guarantee that emergency broadcast messages can quickly and accurately reach a designated region in time, give play to the maximum role of a broadcast platform, and improve the flexibility, efficiency and visualizability of the broadcast platform.
Owner:SUMAVISION TECH CO LTD +2

Emergency lane guardrail capable of automatically intercepting illegal vehicles

The invention relates to the technical field of road equipment, and discloses an emergency lane guardrail capable of automatically intercepting illegal vehicles, which comprises a handrail, one end of the handrail is fixedly connected with a rotating piece, and the rotating piece is movably connected with a guardrail column through a bearing. According to the emergency lane guardrail capable of automatically intercepting the illegal vehicles, the handrails can effectively block the vehicles occupying the lane and prevent the vehicles occupying the lane from running in the emergency lane, and when an operation vehicle runs on the emergency lane and rolls over the pressing plate, the handrails are automatically driven to rotate to leave the lane, so that normal passing of the operation vehicle is guaranteed; secondly, because of blocking of the guardrail, the emergency lane occupied by the vehicle without reasons is reduced, so that the probability that the faulty vehicle is subjected to rear-end collision by the rear vehicle when temporarily parked on the emergency lane is greatly reduced, the compression of the pressing plate and the bag body on the emergency lane and the collision rotation of the handrail have better energy absorption effects, and when necessary, the out-of-control vehicle can be quickly stopped even if the out-of-control vehicle continuously collides with the handrail.
Owner:高志会

Automatic control system and method for air valves of data center computer room

The invention provides an automatic control system and method for air valves of a data center computer room. An automatic air-conditioner control system is partitioned, air valve control serves as management subsystem independent control, the number of controllers is reduced, and construction and maintenance cost is reduced. The automatic control system comprises an upper computer, a central controller, the unit controllers, the fresh air valves and the return air valves, the fresh air valves control the fresh air intake volume, and the return air valves control the return air volume. The upper computer is connected with the central controller, the central controller is connected with the unit controllers, the unit controllers are connected with the fresh air valves and the return air valves, the unit controllers control opening, closing and the opening degrees of the fresh air valves and the return air valves according to air mixing area temperature signals so as to control the air mixing area temperature to be in a normal temperature range, and the central controller sends control signals to the unit controllers and feeds feedback signals back to the upper computer.
Owner:BEIJING DAILY TECH

Management system based on dangerous goods online monitoring

The invention relates to the technical field of dangerous goods transportation. In order to solve the problem that in an existing dangerous goods transportation management system, dangerous goods cannot be processed in time due to the fact that the dangerous goods in the transportation process are not monitored, the management system based on dangerous goods online monitoring comprises a monitoring module, a processing module, a storage module, a comparison module and an alarm module. The monitoring module is used for monitoring parameters of dangerous goods to obtain real-time parameter signals; the processing module is used for processing the real-time parameter signals to obtain real-time parameter values; parameter threshold values are pre-stored in the storage module; the comparison module is used for comparing the processed real-time parameter values with the parameter threshold values; and the alarm module is used for sending alarm information to a driver when the comparison module compares that the real-time parameter values are greater than the parameter thresholds.
Owner:CHONGQING COLLEGE OF ELECTRONICS ENG

Streetlamp capable of radiating heat

The invention discloses a streetlamp capable of radiating heat, belonging to the technical field of streetlamps, comprising a streetlamp main body, a lamp cover and an LED light emitting module, wherein the lamp cover is located on the upper part of the streetlamp main body; and the LED light emitting module is installed in the lamp cover. The streetlamp further comprises a heat-radiation fan, a channel, an air inlet and an air outlet; the channel is of a hollow structure, and is connected to the lamp cover; the heat-radiation fan is arranged in the channel, and is equipped with the air inlet; and the air outlet is arranged in the lamp cover. The invention has the advantages of possessing better heat-radiation function and timely transferring the heat to the external.
Owner:祁守美

Automatic control system and method for temperature and humidity of data center computer room

The invention provides an automatic control system and method for temperature and humidity of a data center computer room. An automatic air-conditioner control system is partitioned, computer room temperature and humidity control serves as management subsystem independent control, the number of controllers is reduced, and construction and maintenance cost is reduced. The automatic control system comprises an upper computer, a central controller, the unit controllers, water complement valves, water complement pumps, water drain valves and water drain pumps, wherein the water complement valves and the water complement pumps are connected with a water complement system, and the water drain valves and the water drain pumps are connected with a water drain system. The upper computer is connected with the central controller, the central controller is connected with the unit controllers, and the unit controllers are connected with the water complement valves, the water complement pumps, the water drain valves and the water drain pumps. According to liquid level signals, the unit controllers control and adjust the water complement quantity of the water complement system through the water complement valves and the water complement pumps, and control and adjust the water drain quantity of the water drain system through the water drain valves and the water drain pumps, so that the temperature and humidity of the computer room are controlled. The central controller sends control signals to the unit controllers and feeds feedback signals back to the upper computer.
Owner:BEIJING DAILY TECH

Cloud-based intelligent guiding glasses and guiding method thereof

InactiveCN109106565AAvoid collisionTo achieve the purpose of intelligent guidanceDiagnosticsWalking aidsBody balanceCommunication unit
The invention provides cloud-based intelligent guiding glasses, wherein the camera unit is used for collecting images around the user; the ranging unit is used for collecting the distance between theobstacle in front of the user and the user; the attitude measuring unit is used for collecting the body balance of the user; the GPS unit is used to monitor the user's position in real time. The central processing unit is used for judging whether the user is in danger or not according to the image acquired by the image acquisition unit and the distance measured by the distance measuring unit. Thecentral processing unit is also used for judging whether the user falls or not according to the balance degree collected by the attitude measuring unit. If so, the central processing unit can dial thepreset distress number through the communication unit, and can also send the position information collected by the GPS unit and the image information collected by the image pickup unit to the presetdistress number through the communication unit. When the user is in danger, the invention can carry out voice reminding, avoid collision of the user, can play the effect of intelligent guidance, and can communicate with an emergency contact person when necessary, thereby ensuring the personal safety of the user.
Owner:ANHUI UNIVERSITY OF TECHNOLOGY AND SCIENCE

Novel intelligent AC metal closed switching device

The invention discloses a novel intelligent AC metal closed switching device, which comprises a shell, a cable and a medium-voltage AC vacuum circuit breaker, wherein the cable and the medium-voltage AC vacuum circuit breaker are arranged in the shell and mutually connected, the medium-voltage AC vacuum circuit breaker comprises a circuit breaker body and a front-mounted device which are connected through an optical fiber, a medium-voltage current sensor is embedded in the circuit breaker body, the front-mounted device is arranged on the shell, the front-mounted device comprises a controller, a comprehensive protection measurement and control device, an electric energy meter, a switch cabinet comprehensive indicator, a screen element, a wireless transmitting and receiving unit and a Beidou chip which are mutually connected, and the controller is connected with a temperature detector, a humidity detector, a heater, a cabinet isolation measurement and control device, a fan, a cabinet door monitor and a live detection device. According to the invention, the medium-voltage current sensor is embedded in the circuit breaker body, and electrical isolation of the circuit breaker body and the front-mounted device is realized, so that the design is modularized, the assemble difficulty is reduced, the number of failure points is small, and the failure rate is low.
Owner:ZHENGZHOU XIANGHE GROUP ELECTRIC EQUIP MFG

Internal safety monitoring system for sewage treatment

The invention discloses an internal safety monitoring system for sewage treatment, which comprises a central processing unit and a data acquisition module, and the central processing unit and the data acquisition module are in one-way connection through a wireless transmission module. The input end of the data acquisition module is electrically connected with the output ends of a PH detector, a liquid level sensor, a COD (Chemical Oxygen Demand) tester, a gas concentration tester, a water hardness tester and a dissolved oxygen tester through wires respectively. The invention relates to the technical field of sewage treatment monitoring. According to the internal safety monitoring system for sewage treatment, the output end of a data analysis module is electrically connected with the input end of a central processing unit through a wire, when the sewage treatment safety is monitored, after a standard value is input into a data input module, if the data is larger than or smaller than the standard value, and the abnormal data can be monitored, so that staff can visually observe the condition of the abnormal data, and the abnormal data can be conveniently managed in a unified manner.
Owner:WUHAN YONGQING ENVIRONMENTAL PROTECTION TECH ENG

An online monitoring system for street lamps of the Internet of Things

The present invention provides an online monitoring system for street lamps of the Internet of Things, including a lamp post, a wireless receiving monitoring cabinet structure, a street lamp monitoring box structure, a brightness monitoring lamp head structure, an online monitoring display cabinet structure, a remote display screen structure, a fixing seat, and a light pole. Camera, computer, monitoring platform, supporting legs, stable seat and data line, the lamppost bolts are connected to the middle of the upper surface of the fixed seat; the wireless receiving monitoring cabinet structure is connected to the left side of the lower surface of the monitoring platform by screws Position; the structural screw of the street lamp monitoring box is connected to the inner lower side of the lamp post. The setting of the wire harness frame of the present invention is beneficial to restrain the monitoring connecting wires and maintain a good monitoring environment; the wireless signal transceiver is electrically connected to the wireless router, which is conducive to realizing wireless monitoring of street lamps and improving monitoring efficiency; vertical partitions and The setting of the transverse partition is beneficial to divide the ventilation monitoring box into different spaces, and it is convenient to install multiple monitoring display screens.
Owner:武汉恒昌高晟新能源科技有限公司

Data center computer room temperature and humidity automatic control system and method

The invention provides an automatic control system and method for temperature and humidity of a data center computer room. An automatic air-conditioner control system is partitioned, computer room temperature and humidity control serves as management subsystem independent control, the number of controllers is reduced, and construction and maintenance cost is reduced. The automatic control system comprises an upper computer, a central controller, the unit controllers, water complement valves, water complement pumps, water drain valves and water drain pumps, wherein the water complement valves and the water complement pumps are connected with a water complement system, and the water drain valves and the water drain pumps are connected with a water drain system. The upper computer is connected with the central controller, the central controller is connected with the unit controllers, and the unit controllers are connected with the water complement valves, the water complement pumps, the water drain valves and the water drain pumps. According to liquid level signals, the unit controllers control and adjust the water complement quantity of the water complement system through the water complement valves and the water complement pumps, and control and adjust the water drain quantity of the water drain system through the water drain valves and the water drain pumps, so that the temperature and humidity of the computer room are controlled. The central controller sends control signals to the unit controllers and feeds feedback signals back to the upper computer.
Owner:BEIJING DAILY TECH

A method for channel time division multiplexing in autonomous network system

The invention relates to a method for channel time division multiplexing in an autonomous network system. Core nodes perform broadcast transmission in the first time slice, and non-core nodes obtain exclusive transmission time slices; when non-core nodes need to use time slices, determine whether they The core node schedules to send data in this time slot, if yes, start to transmit data in this time slot; if not, use CSMA to transmit data. The present invention integrates TDMA and CSMA with a brand-new solution to ensure that the network maintenance signaling of the core node does not need to listen and wait, and directly uses the specified time slice, which can ensure that the signaling reaches any node in time. The present invention uses the priority of small packet transmission High performance guarantees the priority order of channel utilization and avoids disorderly competition. The channel is used as a CSMA rule when it is not scheduled to ensure that channel resources will not be idle due to idleness of the owner. It is used as TDMA when high real-time requirements are required, and the scheduling time is guaranteed to be controllable.
Owner:北京中宸微电子有限公司

Intelligent access control system and method

The invention discloses an intelligent access control system and an intelligent access control method, belongs to the technical field of security and protection, and aims to solve the problems of how to coordinate access requests of advanced managers and how to open an access control only by mutual cooperation of multiple common personnel. The system includes an acquisition module, a storage module, an access strategy module, a face recognition verification module, an access control linkage module, a warning module and a central processing module, wherein the access strategy module is used for setting a face verification strategy and submitting an access request to the central processing module, and by setting the VIP single-person strategy unit, high-level managers do not need to be accompanied by multiple persons like common employees to access, so that the working efficiency of the high-level managers is improved. By arranging the multi-group strategy unit, the multi-group strategy unit sets personnel needing to be present in multiple groups according to each access requirement, and multiple persons need to cooperate with each other to open the access control, so that the safety and the practicability are improved.
Owner:时代云英(深圳)科技有限公司

Automatic driving navigation method, device, system, vehicle-mounted terminal and server

An automatic driving navigation method, device, system, vehicle-mounted terminal, and server, the method comprising: a wireless base station in a wireless network sends a differential positioning correction number to the vehicle-mounted terminal (202); the vehicle-mounted terminal acquires satellite positioning data of the vehicle, The wireless base station receives the differential positioning correction number, uses the differential positioning correction number to correct the satellite positioning data, and obtains the high-precision position of the vehicle, and the vehicle-mounted terminal sends the high-precision position to the server (204); the server receives the high-precision position from the vehicle-mounted terminal, according to The high-precision position is combined with the high-precision map information to determine the lane-level planned driving route, and the server sends the lane-level planned driving route to the vehicle-mounted terminal (206); the vehicle-mounted terminal receives the lane-level planned driving route from the server. The vehicle plans a driving path at the lane level for automatic driving (208). The use of satellite differential positioning technology based on wireless network assistance realizes all-weather and all-road automatic driving navigation, and the positioning accuracy does not need to rely on 3D high-precision maps, and the adaptability and reliability of the solution are significantly increased.
Owner:HUAWEI TECH CO LTD
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