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57results about How to "Expand user base" patented technology

Member name and bank card binding electronic business system and method

This invention relates to a method and system of e-commerce through the consumer registering the businesses number name. A system and method to achievement e-commerce transactions In a public network through Member Name, including,at least terminal devices for consumer, commercial tenants pay device, the card issuing bank payment gateway devices, payment platform devices and the third party logistics unit. Its property is through bundling with the establishment of the card issuing bank payment gateway Member name and their bank cards card number, when consumers apply for e-commerce transactions to the business community, need not submit personal information of bank cards will be able to activate the e-commerce transactions logic, the logic coverage of the state of e-commerce transactions, through unbundling transactions steps to improve the authenticity of transactions, reliability, safety; passage of this invention, consumers can break through the traditional limitations of electronic commerce terminal devices, more convenient, flexible in e-commerce, without worrying about their bank cards leaked confidential information, while businesses can be more convenient and credible conduct of e-commerce; card-issuing banks can develop electronic commerce based on depay without changing existing business processes.
Owner:田小平

Method and equipment for accessing mobile communication system

The invention provides a method for accessing a mobile communication system. The method includes steps of enabling 3GPP UE (3rd generation partnership project user equipment) connected with non-3GPP user equipment to initiate an attach request containing a specified APN (access point name) value; establishing a carrying link between the 3GPP UE and a PGW (packet data gateway) after authentication is successfully carried out and transmitting uplink and downlink data of Ethernet data packets of the non-3GPP user equipment via the carrying link. The method has the advantages that relevant 3GPP protocols are extended, so that business for enabling non-3GPP users to access the mobile communication system via a 3GPP network can be supported, a network arrangement scheme of operators can be flexible and convenient, user groups of the operators can be expanded, the non-3GPP users and LTE (long term evolution) users can be managed by the operators in a unified manner, and billing and refined business service can be provided for the non-3GPP users and the LTE users by the operators.
Owner:BEIJING SAMSUNG TELECOM R&D CENT +1

System and method for controlling cursor of display device

The invention discloses a cursor control system for a display unit. The display unit is connected with a data processor and comprises: an image collection device for collecting user image information and transmitting a signal; signal receiving unit for receiving the signal; signal processing unit for analyzing the signal to judge if to need to switch cursor and target area the cursor reaches; cursor control unit for transmitting a cursor control signal to the display unit according to the judged result to switch the cursor to the target area. Correspondingly, the invention discloses a cursor control method for a display unit.
Owner:LENOVO (BEIJING) LTD

Internally-arranged angle sensor all-in-one ultrasonic motor servo control system

The invention discloses an internally-arranged angle sensor all-in-one ultrasonic motor servo control system and relates to servo control over ultrasonic motors. The internally-arranged angle sensor all-in-one ultrasonic motor servo control system comprises a command module, a compensation module, a digital processing module, a drive panel and an all-in-one actuating mechanism. The command module sends out commands to the compensation module, and the compensation module converts the commands into frequency control signals and transmits the frequency control signals to the digital processing module; the digital processing module processes the frequency control signals into square signals and transmits the square signals to the drive panel, the drive panel amplifies the square signals and then inputs the square signals to the all-in-one actuating mechanism, the all-in-one actuating mechanism is a hollow ultrasonic motor with an internally-arranged angle sensor, the angle sensor feeds back speed and position information, the speed and position information reaches the compensation module after passing through the drive panel and the digital processing module, through comparison, compensation and conversion, newly-generated frequency control signals are transmitted to the drive panel, and therefore closed-loop control is achieved. The internally-arranged angle sensor all-in-one ultrasonic motor servo control system has high reliability, high precision and good environmental suitability, and is especially suitable for being used as shaft end servo control systems of platforms with multi-degrees of freedom.
Owner:BEIJING PULIMEN ELECTRO MECHANICAL HIGH TECHN CO

Method and system for paying digital currencies by using visible digital currency chip card

The invention provides a method and system for paying digital currencies by using a visible digital currency chip card, and aims at carrying out offline payment, expanding charging scenes, solving the payment problems under the condition of network lack, enlarging the user groups and bringing convenience to the collection of the users that do not register to use digital currencies. The method for paying digital currencies by using the visible digital currency chip card comprises the following steps of: sending a payment request to collection terminal equipment by a payment visible digital currency chip card under the connection of not establishing network connection with a commercial bank digital currency system; sending the payment request and collection user identify authentication information to the commercial bank digital currency system by the collection terminal equipment when the collection terminal equipment is successfully connected with a network of the commercial bank digital currency system; sending a payment confirmation request to a central bank digital currency system by the commercial bank digital currency system so as to carry out digital currency owner change; and executing preset operations by the central bank digital currency system according to the payment confirmation request, wherein the preset operation comprises changing an owner of a to-be-paid digital currency and storing the identity authentication information.
Owner:THE PEOPLES BANK OF CHINA DIGITAL CURRENCY INST

Participatory sensing-based noise collection and display system and participatory sensing-based noise collection and display method

The invention discloses a participatory sensing-based noise collection and display system and a participatory sensing-based noise collection and display method. The method comprises the following steps: enabling noise collection applications by all smartphone terminals, collecting noise data of each position at which the corresponding smartphone is located, processing the noise data, and then, sending the processed noise data and positional information to a cloud platform through a wireless network; receiving original noise data sent by all the smartphone terminals through the cloud platform, displaying to the corresponding position in a webpage in real time, meanwhile, storing the original noise data into a text file, processing a period of data to obtain statistical information, and storing into a data base; extracting the corresponding information from the data base by the cloud platform when query operation executed by each smartphone terminal or a user terminal is performed, and sending back the information to the smartphone terminal or displaying to the user terminal through a browser. According to the participatory sensing-based noise collection and display system and the participatory sensing-based noise collection and display method disclosed by the invention, noise collection and display is realized through the participatory sensing system, so that the cost for establishing a noise map is greatly reduced, and the real-time performance and the accuracy of the data are improved.
Owner:SHANGHAI JIAO TONG UNIV

LED light with replaceable light holder thermally-radiated by using superconduction liquid

The invention discloses an LED light with a replaceable light holder heat-radiated by using superconduction liquid, which consists of a light holder, a heat-radiation light shade, an LED and a lens. The LED is arranged in the heat-radiation light shade. The LED light is characterized in that a drive power source circuit board is arranged in the light holder; the light head is in plugged connection with the heat-radiation light shade for conveniently replacing the light holder, that is to say, a plug is arranged in the centre of the bottom of the light holder, and a socket is arranged in the centre of the top part of the heat-radiation light shade; the socket on the heat-radiation light shade is electrically connected with an LED pin; the plug on the light holder is electrically connected with an output line of the drive power source circuit board; a circle of heat radiation fins are all arranged on the lower part of the light holder and an outer wall of the heat-radiation light shade; and two heat radiation fins are both of hollow structures internally filled with the superconduction liquid. The invention solves the defects of the traditional LED light, and has the characteristics of high luminescence efficiency, good heat-radiation effect, less power consumption, long service life, environment protection, convenience of replacement of power source and the like.
Owner:杭州慈源科技有限公司

Multifunctional changeable spectacles convenient to disassemble

The invention provides multifunctional changeable spectacles convenient to disassemble. The multifunctional changeable spectacles comprise a spectacle frame and spectacle legs installed on the two sides of the spectacle frame, wherein the spectacle frame comprises a left spectacle frame body and a right spectacle frame body which are connected through a fixing structure, the left spectacle frame body is connected with the corresponding spectacle leg through a fixing structure, and the right spectacle frame body is connected with the corresponding spectacle leg through a fixing structure; each spectacle leg comprises N substructures which are connected through fixing structures, and each fixing structure comprises a first combination part and a second combination part connected with the first combination part in an inserting mode. The left spectacle frame body and the right spectacle frame body are separated, each spectacle leg is divided into multiple sections, and in this way, when any part is broken, only the corresponding part needs to be replaced, and cost is reduced as much as possible; meanwhile, structural combinations in different colors and shapes can be formed according to personal preference so as to meet requirements of different people; different functional modules are arranged on the substructures obtained by dividing the spectacle legs, users can change the functional modules as needed, and then the user group is enlarged and intelligentization is achieved.
Owner:SHENZHEN HUIMING EYEGLASSES CO LTD

Television with digital certification function, authentication system and authentication method

The invention discloses a television with a digital certification function, an authentication system and an authentication method. The television with the digital certification function is provided with a digital certificate application module and a digital certificate authentication module, wherein the digital certificate application module communicates with a network server, and is used for applying for a digital certificate; and the digital certificate authentication module communicates with the network server, and is used for authenticating the digital certificate. By the television, the system and the method, a user can use application or a service for a plurality of times in a given time by the authentication of the digital certificate, and also can share the digital certificate with the family and friends to make more users can use the application or server, extend a user group of the application or service and increase the utilization rate of resources.
Owner:SHENZHEN SKYWORTH RGB ELECTRONICS CO LTD

All-altitude adjustment electric wheelchair

The invention discloses an all-altitude adjustment electric wheelchair which comprises a main frame. A support mechanism is fixed onto the main frame and comprises a seat plate, a foot supporting plate and a backrest plate, and electric push rods for adjusting positional relations are respectively fixed to positions between the seat plate and the foot supporting plate and between the seat plate and the backrest plate; a seat plate altitude adjusting mechanism for adjusting the position of the seat plate is arranged between the main frame and the seat plate, and the position of the seat plate can be adjusted, kept or dynamically adjusted by the seat plate altitude adjusting mechanism, so that all altitudes of the electric wheelchair can be adjusted. The all-altitude adjustment electric wheelchair has the advantages that the expansion amounts of the electric push rods can be controlled according to schemes set by users or programs, accordingly, the optional altitudes can be adjusted and fixed, and requirements of the users can be met; the most comfortable altitudes can be selected by the users according to characteristics of the different users, and the all-altitude adjustment electric wheelchair further can assist the users to carry out auxiliary rehabilitation training; swinging of rocking chairs can be simulated, accordingly, different types of service experience can be provided for the users, diversified functional requirements of the users can be met, and user groups of the electric wheelchair can be expanded.
Owner:PINGDINGSHAN SHENXING HEALTHCARE TECH

Comb capable of recognizing and cutting white hair

The invention relates to a comb capable of recognizing and cutting white hair. A groove used for dispersing a hair bundle is formed in the bottom of each comb tooth, a blade supporting frame is arranged on the lower portion of each groove, and a sliding iron blade and a fixed aluminum blade are arranged in each supporting frame. The outer end of each sliding iron blade is connected with the inner wall of the corresponding comb tooth through a spring, each fixed aluminum blade is connected with a fixed iron core, and a silicon photoelectric diode is arranged at the position, corresponding to each groove, of the lower portion of the corresponding blade supporting frame. Lamp bulbs are arranged in the comb teeth. Porous pipelines are formed in the inner walls of the comb teeth. The lamp bulbs are connected with a lamp bulb circuit power source through a lamp bulb circuit resistor. One end of each silicon photoelectric diode is connected with a groove circuit resistor through a spiral line which is wound on the corresponding fixed iron core, and the other end of each silicon photoelectric diode is connected with a groove circuit power source. By means of the comb capable of recognizing and cutting the white hair, in the daily hair combing process, the white hair in hair can be recognized and cut, time and labor are saved, the white hair is cut out, numerous steps are needless for newly-grown white hair, a plurality of pieces of white hair can be recognized through one-time hair combing motion, the white hair can be cut out, efficiency is greatly improved, and the comb capable of recognizing and cutting the white hair is simple in principle and easy to implement.
Owner:SHANGHAI UNIVERSITY OF ELECTRIC POWER

Device and method for realizing functions of extension telephone set of mobile phone by using DECT (Digital Enhanced Cordless Telecommunications)

ActiveCN101808421AExtension application is goodExtension application implementationCordless telephonesNetwork topologiesPulse-code modulationDigital Enhanced Cordless Telecommunications
The invention discloses a device and a method for realizing functions of an extension telephone set of a mobile phone by using DECT (Digital Enhanced Cordless Telecommunications). The device comprises a communication module, a main control processor, a DECT base station FP and a handset, and is characterized in that the communication module is connected with the main control processor through a USB interface, and the main control processor is connected with an FP through a pulse code modulation (PCM) serial port and a universal asynchronous receiver / transmitter (UART). The method is characterized in that the communication module exchanges data with a mobile communication network through an idle port, the main control processor ensures that the data exchange is realized between the communication module and the DECT base station FP, and data exchange is carried out between the base station FP and the handset. The device can be well applied to families and small official places and realizes the functions of the extension telephone set and a sub telephone of the mobile phone.
Owner:ZTE CORP

A method and system for access to IMS database

The invention provides a method for accessing an IMS database. The method is applicable to a system consisting of a client and a server, wherein the client consists of a plurality of open platforms. The method comprises the following steps that: the client receives an inputted request message; the client sends the request message to the server; the server analyzes the request message; according to the instruction analyzed by the request message, the IMS database is accessed. The prior access to the host computer is expanded to the access of common microcomputer systems, thereby bringing great convenience to the ordinary users to have the access to the data of the host computer IMS database, raising the efficiency of the access and the data processing and enlarging the user group. The invention also provides a system for realizing the access to the IMS database.
Owner:CHINA CONSTRUCTION BANK

Digital TV-based method for playing network broadcast media information

The invention relates to the technology of network broadcast media information playing, solves the problem existing in the prior network broadcast playing mode that a user group is heavily limited andprovides a digital TV-based network broadcast media information playing method. The technical scheme of the invention comprises the following steps of: firstly, searching the network broadcast mediaspossibly needed, and importing the search result into a data source management server; secondly, selecting the network certain broadcast medias as required, and importing the network addresses needing to be played into a data collection treating system; thirdly, collecting data streams in the network addresses respectively, transcoding the data streams, packing the transcoded data streams, and sending the data streams to a data transmission system which transmits the packaged data streams to the transmission networks of TV program operators; and finally receiving the packed data streams by auser set-top box terminal, and decoding and playing the data streams by a user set-top box terminal. The playing method has the advantages of increasing user groups and suitably playing the network broadcast media.
Owner:SICHUAN CHANGHONG ELECTRIC CO LTD

System and method for providing coloring ring back tone users with group advertising service

The invention relates to a system and a method for providing coloring ring back tone (CRBT) users with group advertising service. The system comprises BOSS, ADC, a CRBT platform, a short message / CRBT gateway and a group advertisement service platform, wherein the group advertising service platform is used for managing CRBT enterprise users, modifying enterprise advertisement CRBT, and providing CRBT service to non-staff users. Software modules comprise a WEB management module, a CRBT preparation DIY module, a non-staff user importing / grouping management module, an advertisement CRBT module, a service database module, a service application module and a CRBT platform interface module. Enterprises can use the DIY technology in the group advertisement service platform to prepare advertisement CRBT that conforms to enterprise images and marketing purposes through a WEB network according to the demands for development and propaganda, and can directly import a group of non-staff CRBT users as the advertisement CRBT users of the enterprises, thereby quickening the advertising campaign, and expanding the propaganda range.
Owner:CHINA MOBILE COMM CORP TIANJIN

Power management system based on block chain technology

The invention belongs to the technical field of power management, and particularly relates to a power management system based on a block chain technology. The system comprises a server side, a mobileterminal and a charging pile. The server side runs in a cloud server; networking intelligent devices such as a mobile phone, a tablet personal computer and a vehicle-mounted navigator are installed onthe mobile terminal; the server side is used for processing and analyzing the information sent by the mobile terminal and the charging pile and returning a processing result; the charging pile is used for charging an electric vehicle; and data and instructions received and sent by the server side are stored in a corresponding sovereign block chain network for backup and storage. The charging process is simple, the waiting time of a user before charging is short, and the use experience of the user is good; mutual trust authentication is provided before charging, during charging and during payment, and the capital safety of the user and the vehicle charging safety are guaranteed; and meanwhile, the charging pile is high in compatibility, and can charge most of vehicles.
Owner:NANJING UNIV OF SCI & TECH

LED (Light Emitting Diode) street lamp with functions of radiating heat through superconductive liquid and replacing driving power supply conveniently

InactiveCN102095145ASafe touchTouch precise controlPoint-like light sourceElectric circuit arrangementsEngineeringHeat sink
The invention relates to an LED (Light Emitting Diode) street lamp with functions of radiating heat through superconductive liquid and replacing a driving power supply conveniently. The LED street lamp provided by the invention comprises multiple LED modules, a driving power supply for driving the LED modules and a heat radiating lamp body installed at the top of a lamp post, wherein the heat radiating lamp body comprises a heat radiating sheet, a lamp cavity for containing the LED modules and a photic cover plate. The LED street lamp provided by the invention is characterized in that the driving power supply is arranged at the bottom of the lamp post, i.e. a socket for inserting the driving power supply is arranged at the bottom of the lamp post; a superconductive liquid header pipe is also arranged on the heat radiating lamp body and communicated with a row of heat radiating branch pipes which are filled with the superconductive liquid and are arranged on the back surface of the heat radiating lamp body; the heat radiating sheet is in a hollow structure filled with the superconductive liquid; and the heat radiating sheet is communicated with the superconductive liquid header pipe. The invention overcomes the defects of the existing LED street lamp, so that the LED street lamp provided by the invention has the characteristics of high light emitting efficiency, good heat radiating effect, low power consumption, long service life, environment friendliness and the like, and a power supply is convenient to replace.
Owner:杭州慈源科技有限公司

IP (internet protocol) camera and network parameter setting method thereof

The invention relates to a network parameter setting method and device, and discloses an IP (internet protocol) camera and a network parameter setting method thereof. Firstly, a user provides network parameters, secondly, a picture acquisition module photographs the network parameters, thirdly, a picture processing module processes a picture with the written network parameters, and finally, a network connection module performs network connection by the aid of characters on the processed picture with the network parameters. Compared with the prior art, the network parameter setting method of the IP camera has the advantages that a PC (personal computer) is not related in the steps, a user group of the IP camera can be greatly extended, drive failure of a PC side caused by various operating system compatibility problems in the use process is avoided, and the cost of driving programs adaptable to various operating systems is reduced for manufacturers, wherein the manufacturers have to develop the driving programs in order to use the PC.
Owner:EQUES TECH

System and method for multi-target movement speed measurement under complex paths

The invention provides a system and method for multi-target movement speed measurement under complex paths, and belongs to the field of physical movement speed measurement. The system comprises an acceleration measurement module, a wireless gateway and an upper computer, wherein the acceleration measurement module comprises an acceleration sensor, a controller and a wireless transceiving module; the acceleration sensor is connected with the controller; the controller is connected with the wireless transceiving module; the wireless transceiver module is connected with the wireless gateway through a wireless network; the wireless gateway is connected with the upper computer. According to the system, the real-time precision movement speed of a plurality of athletes under the complex paths such as straight lines, curves and retracing can be conveniently and quickly obtained, coaches and the athletes are assisted in effectively evaluating the movement state and technical actions of the athletes in real time, and data support is provided for evaluating the effect of a specific training method and making a further training plan.
Owner:CHINA INST OF SPORT SCI

Drive power supply-replaceable LED lamp dissipating heat by using superconducting liquid

The invention relates to a drive power supply-replaceable light emitting diode (LED) lamp dissipating heat by using superconducting liquid. The LED lamp comprises a lamp body and a drive power supply, wherein the drive power supply is arranged on the lamp body and is used for driving an LED to emit light; and the lamp body consists of a lamp cap, a heat dissipation lamp shade, the LED arranged in the heat dissipation lamp shade, and a lens. The LED lamp is characterized in that: the lamp body also comprises a fixing column on which a socket is arranged; the drive power supply is inserted into the socket; one end of the fixing column is connected with the lamp cap, and the other end of the fixing column is connected with the heat dissipation lamp shade; the outer wall of the heat dissipation lamp shade is provided with a circle of heat dissipation sheets, the heat dissipation sheets have a hollow structure in which the superconducting liquid is arranged, and the cavities of the heat dissipation sheets are communicated with the inner cavity of the heat dissipation lamp shade; and the drive power supply is cubic, a plug is inserted into the socket on one side of the drive power supply, rows of heat dissipation sheets are arranged on the other five sides of the drive power supply, and the heat dissipation sheets also have the hollow structure in which the superconducting liquid is arranged. The LED lamp solves the problems of the conventional LED lamp and has the characteristics of high light-emitting efficiency, good heat dissipation effect, low power consumption, long service life, environmental friendliness and the like, and the power supply is convenient to replace.
Owner:杭州慈源科技有限公司

Television signal transmitter combining wired television transmission and network television transmission

The invention relates to a television signal transmitter combining wired television transmission and network television transmission. The television signal transmitter comprises a digital voice signal acquisition module, a digital video signal acquisition module, an additional data acquisition module, a packing and multiplexing module, a 8B / 10B encoding module, a synchronous character insertion module, a serial-parallel conversion module, an asynchronous serial interface (ASI) processing module, an IP (Internet Protocol) packing module, a UDP (User Datagram Protocol) packing module and a conversion control module, wherein the packing and multiplexing module is connected with the digital voice signal acquisition module, the digital video signal acquisition module and the additional data acquisition module to be respectively used for receiving compressed voice data, compressed video data and encoded additional data, packing and multiplexing the data and processing the packed and multiplexed data under the control of the conversion control module so as to obtain wired television signals or network television signals. Through the invention, the functions of the transmitter can be expanded, and wired television signal transmission and network television signal transmission are combined.
Owner:航美传媒集团有限公司

TV signal transmission device compatible with cable TV transmission and interactive personality TV (IPTV) transmission

The invention relates to a TV signal transmission device compatible with cable TV transmission and interactive personality TV (IPTV) transmission. The TV signal transmission device comprises a digital audio signal acquisition module, a digital video signal acquisition module, an additional data acquisition module, a packaging-multiplexing module, a 8B / 10B encoding module, a synchronization word insertion module, a parallel-serial conversion module, an asynchronous serial interface (ASI) processing module, an IP (Internet Protocol) packaging module, a UDP (User Datagram Protocol) packaging module and a switching control module, wherein the packaging-multiplexing module is connected with the digital audio signal acquisition module, the digital video signal acquisition module and the additional data acquisition module in order to receive compressed audio data, compressed video data and encoded additional data, package the received data and multiplex the packaged data, and is used for processing the packaged and multiplexed data under the control of the switching control module in order to obtain a cable TV signal or an IPTV signal. Through adoption of the TV signal transmission device, functions of the transmission device can be extended, and compatibility with transmission of the cable TV signal and the IPTV signal is realized.
Owner:南通展望科技资讯有限公司

User matching method and device, electronic device and storage medium

Embodiments of the invention provide a user matching method and device, an electronic device and a storage medium. The method specifically comprises the steps of calculating a characteristic parameterof each user in a user group; and a plurality of users with the characteristic parameters meeting preset conditions are incorporated into a common scene, so that the plurality of users cooperate to carry out corresponding work, entertainment or learning operations. Through the operation, a user meeting a certain condition can be brought into the common scene; Compared with the prior art, the method and the device have the advantages that the difference between the contained users is not too large, for example, for games, the difference between the strength of the grouped users is not large, better matching can be achieved, and therefore the situation that the users feel tired due to inharmonious matching is avoided, and expansion of corresponding user groups is facilitated.
Owner:BEIJING DAJIA INTERNET INFORMATION TECH CO LTD

Method and device for realizing loan financing,

The invention provides a method and a device for realizing loan financing. The method includes the following steps: establishing a cooperative relationship with a bank; receiving basic information andloan demand sent by a user, and sending the basic information and the loan demand to a target bank so the target tank can evaluate the load demand according to the basic information and the risk control mode to get an evaluation result; and when the evaluation result is that the load demand is accepted, receiving a target loan sent by the target bank through a working card of the user to completeload financing. The method of the invention is implemented based on a third party platform. The third party platform, which is a bridge between the bank and the user, can provide a customer entranceand part of risk control evaluation data for the bank and provide a load channel for the user. Compared with private loan methods, the method has the advantages of low loan cost, low risk and high practicality. The technical problem that the existing private loan method has the disadvantages of high loan cost, high risk and low practicability is eased.
Owner:四川民工加网络科技有限公司 +1

Physical training test wind tunnel system and airflow forming and control method thereof

InactiveCN113209581AImprove technical actionsSimple structureGymnastic exercisingTest objectEngineering
The invention relates to a physical training test wind tunnel system and an airflow forming and control method thereof, and belongs to the technical field of physical engineering. The physical training test wind tunnel system provided by the present invention comprises a tunnel body, and a multi-degree-of-freedom motion simulation platform, an outdoor environment simulation unit, a data real-time monitoring unit, an airflow forming unit and an action posture capturing unit which are arranged in the tunnel body. The tunnel body is a closed backflow type tunnel body structure, and comprises a tunnel body training test section and rest sections of the tunnel body, and the rest sections of the tunnel body comprise a stable contraction section and a fan power section. The physical training test wind tunnel system provided by the invention can adjust various parameters of a sports environment in the wind tunnel system according to requirements, simulate an aerodynamic environment of a training test object in a competition site, and is used for evaluating a training state or a use state of a to-be-tested athlete or sports equipment in a specific sports environment; and technical support is provided for improving technical actions and optimizing and improving the performance of sports equipment.
Owner:CHINA INST OF SPORT SCI

SMD (Surface Mounted Device) LED (Light Emitting Diode) with liquid heat dissipation

The invention relates to an SMD (Surface Mounted Device) LED (Light Emitting Diode) with liquid heat dissipation, and the SMD LED is characterized by mainly comprising a substrate, pins, a rubber base, a lens, a wafer and a heat dissipation part, wherein the heat dissipation part comprises a heat dissipation wafer on the back surface of the LED substrate and a liquid heat dissipation cover which surrounds the heat dissipation wafer; the liquid heat dissipation cover is an inverted funnel; and a heat dissipation liquid is filled in the liquid heat dissipation cover. The SMD LED provided by the invention can be used for solving the defects of the existing LED and has the characteristics of good heat dissipation effect, high heat dissipation speed, long service life, environment friendliness and the like.
Owner:杭州慈源科技有限公司

Portable small unmanned aerial vehicle

The invention discloses a portable small unmanned aerial vehicle which comprises an unmanned aerial vehicle body and a directional remote handle. Four corners of the unmanned aerial vehicle body are provided with vehicle arm connectors which are tightly welded to the unmanned aerial vehicle body, the ends of the vehicle arm connectors are provided with connecting arms and propellers, and the connecting arms are embedded into the vehicle arm connectors; the propellers are movably connected with the connecting arms through screws, and one ends of the connecting arms are provided with symmetrical storage batteries; an ultrasonic generator is applied so that the distance between the unmanned aerial vehicle and a barrier can be judged through ultrasonic waves, and the application range and the user group of a remote controller receiver can be enlarged; by using a solar electricity generating board, solar energy can be converted into electric energy to be transmitted to the storage batteries, so that a power supply is supplied to flight of the unmanned aerial vehicle, long-time flight of the unmanned aerial vehicle is facilitated, and energy saving is facilitated; and meanwhile, landing supporting feet are applied so that the unmanned aerial vehicle can land whenever and wherever possible.
Owner:苏州普露信息科技有限公司
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