Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Hiro

46results about How to "Secretive" patented technology

Verification method and system of intelligent access control unit

The invention discloses a verification method of an intelligent access control unit. The method includes the following steps that: a remote monitoring server acquires user identity information of a resident of a community, and transmits the user identity information to the intelligent access control unit; the intelligent access control unit receives the registration request of a user, and matches information carried by the registration request with the user identity information; if the information carried by the registration request is successfully matched with the user identity information, the registration request is accepted; after the registration request is accepted, the intelligent access control unit prompts the user to input a first registration password and a second registration password, wherein the second registration password contains a vibration password formed by a first number of times of knocking the intelligent access control unit in a first preset time and a second number of times of knocking the intelligent access control unit in a second preset time; and if the user does not carry an access control card, the intelligent access control unit receives the first registration password and the second registration password which are inputted by the user, and allows the user to enter the community after the first registration password and the second registration password pass verification. The invention also discloses a system. By adopting the method and the system of the invention, the security and convenience of the intelligent access control unit can be improved, and the user who does not carry the access control card can be facilitated to open the access control unit.
Owner:WINSTRONG TECH

Present giving online ordering method and system

The application discloses a present giving online ordering method. A present giver performs payment and orders a present for a present recipient through the internet. The present ordering process includes that information of the specified present and recipient information are transmitted to a present supply client side. The method comprises the steps that step one: a server receives an instruction of a giving demand for the specified present transmitted by a first client side so that an online getting medium which can be forwarded is generated, wherein the online getting medium is corresponding to the information of the specified present, and the online getting medium points to the fill-in page of the recipient information; and step two: the server receives the recipient information filled by a second client side through the online getting medium and then transmits the recipient information to the present supply client side so that the present giving online ordering process is completed. The present giver does not need to know the recipient information of the present recipient so that the embarrassment of present giving can be avoided, forward giving is convenient, secrecy is high, use is convenient and efficient and user experience is great.
Owner:永新华韵文化发展有限公司

Low-altitude unmanned aerial vehicle sound source direction detection system

The invention discloses a low-altitude unmanned aerial vehicle sound source direction detection system, which comprises a microphone array, a programmable processing board, a computer and a power supply. The microphone array comprises four microphones. The four microphones are fixed to a rotation base through four telescoping rods respectively, and by rotating and stretching the telescoping rods, different microphone arrays in different geometric structures and different sizes can be constructed to detect flight audio data of an unmanned aerial vehicle and transmit the collected four-channel audio data to the programmable processing board; the programmable processing board carries out filtering, amplification, impedance transformation and AD conversion on the four-channel audio data, and then, transmits the processed audio data to the computer; the computer calculates direction information of the unmanned aerial vehicle according to the received audio data; and the power supply is used for providing power for the microphone array and the programmable processing board. The system is compact in structure, low in cost and convenient to carry, install and realize batch production; and the system is high in angle positioning accuracy and good in operating distance.
Owner:NANJING UNIV OF SCI & TECH

Cellphone full-system information collection and human face recognition analysis comparison system and usage

The invention discloses a cellphone full-system information collection and human face recognition analysis comparison system. The system comprises a target crowd, a collection device, an analysis device, a transmission device, an analysis comparison system, and a display terminal, wherein collection objects of the target crowd comprise a cellphone serial number and facial characteristics; the collection device comprises and uses one or more of an on-board device, a portable camera, and a fixed camera simultaneously; the analysis device comprises and uses one or more of on-board collection, portable collection, and a human face detection tag search system simultaneously; the transmission device comprises an optical fiber transmission mode and a wireless transmission mode, and according to the wireless transmission mode, independent data is transmitted wirelessly through a public network; the analysis comparison system comprises a human face and serial number analysis comparison comprehensive server, a big data human face comparison recognition system, a human face data management platform, and a high definition video memory; and the display terminal is used for displaying warning, statistics, searching, monitoring and analysis data results.
Owner:SHANDONG CHUANGHUI TECH CO LTD

Underwater glider positioning system and method based on single beacon

The invention discloses an underwater glider positioning system and method based on a single beacon. The positioning system comprises a positioning acoustic receiving module, a positioning processingmodule, a pressure sensor, an attitude sensor and a satellite receiving module which are arranged in the underwater glider, and a positioning beacon arranged on the seabed or the sea surface. The method comprises the following steps: firstly, a single positioning beacon sends a positioning message containing longitude, latitude and elevation information at fixed time intervals; and the underwaterglider monitors and analyzes the positioning message, establishes a state vector, a measurement vector and a corresponding state equation and measurement equation in combination with message information and node attitude information, and calculates the estimated position of the underwater mobile node by using extended Kalman filtering. When the method is used for positioning the underwater glider,the underwater glider does not need to keep clock synchronization with the beacon, and a speedometer does not need to be arranged.
Owner:ZHEJIANG UNIV

Method and system for intelligently storing data

The invention discloses a method and a system for intelligently storing data. By setting a storage account at a cloud end, data information of each application on a common first terminal is stored in the cloud end storage account; and if cases of a fault or loss and the like occur to the first terminal, on a new second terminal, the original data information of each application can be reconfigured to the second terminal by logging in the cloud end storage account. Use of the original information is not influenced. The data information on the common first terminal is also backed up to mobile storage equipment by a cloud end server or the first terminal, and on the new second terminal, the original data information of each application can be reconfigured to the second terminal by logging in the mobile storage account. By the scheme of the invention, a user still can utilize each data information of the common applications on the original terminal to carry out operation on other terminals after the common terminal has a fault.
Owner:PHICOMM (SHANGHAI) CO LTD

Multiple linear regression associative memory model-based fingerprint and face coupling recognition method

The invention discloses a multiple linear regression associative memory model-based fingerprint and face coupling recognition method. The method includes the following steps that: S1, a fingerprint picture and a face picture are collected; S2, the associative memory input matrixes and output matrixes of the fingerprint picture and face picture are obtained; S3, a multiple linear regression fingerprint picture recognition model with regression parameters and a multiple linear regression face picture recognition model with regression parameters are constructed; S4, the regression parameters are calculated, and the multiple linear regression fingerprint picture recognition model and the multiple linear regression face picture recognition model are obtained; and S5, the fingerprint picture and face picture are recognized. The multiple linear regression associative memory model-based fingerprint and face coupling recognition method can realize multiple recognition of identity information and has high reliability. According to the method, the associative memory and the multiple linear regression models are combined together, the pictures are converted into the parameters, and therefore, the method has the advantages of high safety factor, good recognition effect, good protection effect of the identity information and high confidentiality.
Owner:CHONGQING UNIVERSITY OF SCIENCE AND TECHNOLOGY +1

Audio encryption method and device and audio decryption method and device

The invention provides an audio encryption method and device and an audio decryption method and device. The method comprises the following steps: selecting a plurality of audio segments with fixed frequencies as a secret key space, and formulating a secret key comparison table according to the secret key space; wherein different characters in the key comparison table correspond to a plurality of audio clips in the key space; integrating the audio clips in the key space into a player, acquiring account information of a user from a server by the player when the player requests a video or an audio, and acquiring the corresponding audio clips from the player according to the account information and a key comparison table; and the player embeds the obtained corresponding audio clips into an audio to be played according to the account information, and splits the audio clips into an audio file containing the user account information so as to encrypt the audio. According to the invention, theaudio clip containing the account information of the user is embedded into the audio, so that the screen recording source is effectively traced to restore the information of a stealer, and an anti-theft effect is achieved.
Owner:GUANGZHOU YIFANG INFORMATION TECH CO LTD

Security safe for bank

InactiveCN108894661ARealize multiple security functionsWith multiple securityElectric permutation locksIndividual entry/exit registersEngineeringInfrared probe
The invention discloses a security safe for a bank. The safe comprises a box body, a box door is movably connected with the front surface of the box body through a hinge arranged on the left side, aninstalling housing is fixedly connected with the center of the lower portion of the front surface of the box door, a key locking hole is formed in one side of the surface of the installing housing, afingerprint recognition module and an identification recognition module are arranged on the upper and lower portions of the other side of the installing housing surface respectively, a coded lock module is arranged in the middle of the installing housing surface, clamping grooves are equidistantly formed in the side walls of the two sides of the interior of the box body, a second supporting plateis clamped at the bottoms of the clamping grooves, a first supporting plate is clamped in the middle of the upper end of the second supporting plate, and a supporting disc is clamped between the clamping grooves in the upper ends of the second supporting plate and the first supporting plate. By arranging the supporting disc, the first supporting plate, the second supporting plate, an infrared probe, an alarming device, a U disk, the key locking hole, the coded lock module, the fingerprint recognition module and the identification recognition module, the safe has the advantages of multi-stage security, obvious security effect and convenient use.
Owner:芜湖广智天和信息技术有限公司

An information display method of a chat interface and a terminal device

The invention relates to the technical field of intelligent terminals, in particular to an information display method of a chat interface and a terminal device. The method comprises the following steps: obtaining a first instruction for opening a chat interface with a contact; obtaining identity information of an authenticated user; if the identity information is verified, opening a first chat interface for displaying the first chat information based on the first instruction; if the authentication is not passed, opening a second chat interface for displaying the second chat information based on the first instruction. Through the scheme, the privacy information / important information may be displayed on the first chat interface, the non-privacy information / non-important information is displayed on the second chat interface, the real chat information is displayed on the first chat interface, and the false chat information is displayed on the second chat interface, so that the informationseen by other people is different from that seen by the user himself, and the purpose of protecting the chat information is realized, too much operation is not needed, the method is simple and convenient, no hidden traces exist, the information is difficult to detect, and the information is made to be highly secret.
Owner:SHANGHAI IUV SOFTWARE DEV CO LTD

Electronic ticket transaction system based on block chain and method thereof

The invention relates to the technical field of block chains, in particular to an electronic ticket transaction system based on block chain, which comprises a plurality of central servers arranged ineach area, and is characterized in that each central server comprises a receiving module, a first judgment module, a processing module, a database, a second judgment module and an output module, wherein the receiving module is used for acquiring transaction information of electronic tickets and delimiting a seller center server and a buyer center server according to the transaction information; the first judgment module is used for judging whether the electronic ticket transaction occurs in the same area or not, and if yes, the transaction is reached; otherwise, respectively forwarding the transaction information to a seller center server and the buyer center server; the processing module is used for carrying out legality verification on the transaction information and storing the transaction information passing the legality verification into a database; by adopting the scheme, the non-tampering characteristic of the block chain can be utilized to ensure the safety of cross-district transaction.
Owner:CHONGQING ACADEMY OF SCI & TECH

New energy battery box with good protection effect

The invention relates to a new energy battery box with good protection effect. The new energy battery box comprises a battery box body, and is characterized by also comprising a waterproof box, an anti-theft mechanism and a battery limiting mechanism, one side wall of the battery box body is provided with an internal heat dissipation port, one side of the internal heat dissipation port is provided with the waterproof box, the battery box body is communicated with the waterproof box through an internal heat dissipation opening, and an external heat dissipation opening is formed in the top of the waterproof box; and a battery limiting mechanism is arranged inside the battery box body, and an anti-theft mechanism is arranged outside the battery box body. The new energy battery box is scientific and reasonable in design, has the advantages of good waterproof and heat dissipation effects, anti-theft function, reliable and stable installation and convenience in battery installation and maintenance, and is a new energy battery box with relatively high innovativeness and good protection effect.
Owner:国网电动汽车服务(天津)有限公司 +2

Identity identification method based on cell neural network self associative memory model

The invention discloses an identity identification method based on a cell neural network self associative memory model. The method includes the steps of acquiring m fingerprint pictures and face pictures, grouping and numbering the pictures, setting the binary image luminance threshold for the fingerprint picture groups and face picture groups, obtaining a binary fingerprint picture set and a binary face picture set, establishing a fingerprint association memory input matrix and output matrix and a face association memory input matrix and output matrix, establishing a cell neural network fingerprint picture identification model with unknown fingerprint model parameters and a cell neural network face picture identification model with unknown face model parameters, determining the cell neural network fingerprint picture identification model, determining the cell neural network face picture identification model, and conducting identification and matching. Trough a data form, leakage during a transmission process is impossible, and the safety is high. The storage volume is small, and the identity identification effect is good.
Owner:CHONGQING UNIVERSITY OF SCIENCE AND TECHNOLOGY

Palmprint and face recognition method based on cellular neural network hetero-associative memory model

The invention relates to a palmprint and face recognition method based on a cellular neural network hetero-associative memory model, and belongs to the technical field of intelligent recognition. Themethod comprises registration and identification. According to the method, the hetero-associative memory and the cellular neural network model are combined; palm print picture data and face picture data are converted into a series of parameters to be stored, identity information, namely the palm print picture data and the face picture data, is high in verification reliability, the picture storagemode is high in confidentiality and safety coefficient, and the identity information of people is effectively prevented from being leaked. The mode of converting the picture into the parameter throughthe model is adopted, and the method is simple, convenient, good in practicability, good in picture recognition effect and good in face picture data protection effect.
Owner:CHONGQING UNIVERSITY OF SCIENCE AND TECHNOLOGY

Air filter air inlet system and vehicle

ActiveCN110318919ANormal air filter intake demandImprove air filtration qualityMachines/enginesAir cleaners for fuelAir filtrationAir filter
The invention provides an air filter air inlet system and a vehicle. The air filter air inlet system comprises a first filter and a second filter, wherein an air inlet of the first filter faces upwards so that air can enter the first filter in the direction perpendicular to the ground, an air inlet pipe of the second filter is communicated with an exhaust pipe of the first filter, and the exhaustpipe of the second filter is connected with an air inlet tail pipe. In the using process, even when one filter breaks down, the normal air filter air inlet requirement of the vehicle can be ensured. In addition, the first filter adopts the perpendicular air inlet arrangement mode, secrecy is achieved, the technical problems that in a horizontal air inlet scheme, many impurity particles enter the filters, and an engine air inlet system breaks down due to attack of front bullets are avoided, the filter element replacement frequency is lowered, and the air filter quality of the filter air inlet system is improved.
Owner:BAIC GRP ORV CO LTD

Offshore intelligent full-automatic intercontinental missile launching silo

InactiveCN103727841ASecretivePenetration abilityRocket launchersPropellerSubmarine
The invention relates to an offshore intelligent full-automatic intercontinental missile launching silo which comprises a circular-arc-shaped semicircular barrel, a buoyancy oblate barrel layer is tightly attached to the lower portion of the circular-arc-shaped semicircular barrel, a missile launching silo body is arranged at the center of the circular-arc-shaped semicircular barrel and made of an inner layer carbon fiber protective shell and an outer layer carbon fiber protective shell, an intercontinental missile is arranged in the missile launching silo body, the two sides of the lower portion of the buoyancy oblate barrel layer are respectively provided with a program control propeller, a plurality of program control propeller thrusters are arranged on the two sides of the missile launching silo body and parallel to the program control propellers on the two sides of the buoyancy oblate barrel layer, and a submarine mine inductance gauge is arranged at the bottom of the missile launching silo body. The offshore intelligent full-automatic intercontinental missile launching silo has the advantages that the missile launching silo has higher secrecy and defense penetration capacity than a land launching silo and can give a death blow to enemies.
Owner:华东师范大学附属枫泾中学

Movable sealed family nursing cabin for medical caring

The invention relates to a movable sealed family nursing cabin for medical caring. The movable sealed family nursing cabin for medical caring comprises rolling wheels and containing frames; supports are embedded at the upper ends of the rolling wheels, rotating shafts are installed at the upper ends of the supports, a cabin body is arranged at the upper portions of the supports, a hydraulic pump is fixed in the middle of the upper end of the cabin body, a crawling ladder is installed at the left end of the front face of the cabin body, a case is fixed at the upper end of the cabin body, the containing frame is installed on the inner wall of the left side of the cabin body, and a protruding rail is fixed at the lower end of the cabin body. According to the movable sealed family nursing cabin for medical caring, through the supports, the movable sealed family nursing cabin ascends and descends on the cabin body through hydraulic rods, and the whole cabin body can be controlled to ascendand descend; when multiple nursing cabins are put in a ward, the nursing cabins can rise, every two nursing cabins can be superposed, and therefore the occupied space of the nursing cabin in the wardcan be reduced; meanwhile, the multiple nursing cabins can be put in the ward, and when the nursing cabins are superposed, the rolling wheels are folded at the lower end of the cabin body through thesupports along the rotating shafts, it is avoided that transient walkers bump on the rolling wheels, and the flexibility of the nursing cabin is improved.
Owner:THE FIRST AFFILIATED HOSPITAL OF MEDICAL COLLEGE OF XIAN JIAOTONG UNIV

Wheelchair anti-theft device

The invention relates to a wheelchair anti-theft device. The wheelchair anti-theft device comprises a beam frame rod on a wheelchair, a signboard, fixing bolts, a functional block, first switches and second switches, wherein the first switches and the second switches are arranged on the functional block and matched with the fixing bolts. The beam frame rod is a hollow pipe with two sealed ends, and the fixing block is fixed in the beam frame rod; the first switches and the second switches are either normally-open reset switches or normally-closed reset switches; a tracer connected with a battery in series is also arranged in the functional block, and the first switches and the second switches are connected at the two ends of the tracer in parallel; the fixing bolts are screwed on the beam frame rod to be capable of pressing the first switches and the second switches to control opening and closing of the first switches and the second switches. As a tracing device is arranged in the beam frame rod of the wheelchair in a sealed mode, and starting of the tracer is related to the fixing bolts for fixing the signboard, the secrecy is achieved; as the switches of a circuit are set as normally-closed and normally-open reset switches which are connected in parallel, the reliability of the circuit can be enhanced, and the operating stability of the tracer is guaranteed.
Owner:杨继芳

Photoelectric alarm device

The invention discloses a photoelectric alarm device, which comprises a photoelectric sensor, a controller, a strong light, an althorn and a camera device, wherein the photoelectric sensor, the strong light, the althorn and the camera device are respectively in linear connection with the controller; the photoelectric sensor is a bijection-type photoelectric sensor or a diffuse reflection-type photoelectric sensor; and the controller comprises a time delay switch; and the photoelectric sensor is connected with the trigger end of the time delay switch. In the above mode, the invention discloses a photoelectric alarm device. When invasion of a foreign object is sensed by the photoelectric sensor, the time delay switch is triggered, high pitch and strong light alarm is carried out for a certain period of time, video recording work is carried out at the same time, certain privacy is provided, common energy consumption is low, and durability of the device is good.
Owner:CHANGZHOU ZHANHUA ROBOT

Fireproof titanium alloy door and using method thereof

The invention relates to the technical field of fireproof doors, and aims to provide a fireproof titanium alloy door and a using method thereof. The fireproof titanium alloy door comprises a door frame; a door body is embedded in the door frame; the door body is filled with a fireproof core board; a window is formed in the door body; the window is provided with an observation window; a cleaning mechanism for scratching the observation window is also accommodated on the door body; a detection unit for monitoring the humidity of the observation window is mounted on the observation window; an output end of the detection unit is electrically connected with a microcontroller; and an output end of the microcontroller is connected with the cleaning mechanism. When the glass of the observation window is atomized, the detection unit inputs an electrical signal to the microcontroller to control the cleaning mechanism to scrub the glass of the observation window until the humidity value of the glass of the observation window meets a preset condition. The fireproof titanium alloy door and the using method solve the problem that the glass of the observation window is easily atomized due to firelight and temperature increase in case of a fire to affect the view of the fire. The fireproof titanium alloy door has the effect of automatically cleaning the glass of the observation window when the observation window is atomized, so that the observation window is restored to be clean.
Owner:广州市日高工贸有限公司

Application encryption method and terminal device

The invention relates to the technical field of intelligent terminals, in particular to an application encryption method and a terminal device. The application encryption method is applied to the terminal device. The method comprises the steps of selecting an application icon; obtaining a rotation instruction; based on the rotation instruction, performing rotation operation on a predetermined region of the application icon; judging whether the rotation operation meets a predetermined rule or not; and if the rotation operation meets the predetermined rule, executing encryption operation on a target application corresponding to the selected application icon. According to the technical scheme, the application icon is selected, then the predetermined region of the application icon is subjectedto the rotation operation according to the predetermined rule, and the target application corresponding to the selected application icon can be quickly subjected to the encryption operation, so thatsimplicity and quickness are achieved, operation is facilitated, application security can be effectively protected, and the intelligent level of the terminal device and the usage experience of a userare improved.
Owner:SHANGHAI IUV SOFTWARE DEV CO LTD

Identity coupling recognition method based on multiple linear regression associative memory model

The invention discloses a fingerprint and face coupling recognition method based on a multiple linear regression associative memory model, comprising the following steps: S1: collecting fingerprint pictures and face pictures; S2: obtaining the associative memory input of the fingerprint pictures and face pictures respectively Matrix and output matrix; S3: Construct multiple linear regression fingerprint image recognition model and multiple linear regression face image recognition model with regression parameters; S4: Calculate regression parameters to obtain multiple linear regression fingerprint image recognition model, multiple linear regression face image Recognition model; S5: Recognize fingerprint pictures and face pictures. Beneficial effects: multiple identification of identity information, high reliability, combination of associative memory and multiple linear regression model, converting pictures into parameters, high safety factor, good recognition effect, good protection effect on identity information, and high privacy.
Owner:CHONGQING UNIVERSITY OF SCIENCE AND TECHNOLOGY +1

A mobile sealed family care cabin for medical care

The invention relates to a movable sealed family nursing cabin for medical caring. The movable sealed family nursing cabin for medical caring comprises rolling wheels and containing frames; supports are embedded at the upper ends of the rolling wheels, rotating shafts are installed at the upper ends of the supports, a cabin body is arranged at the upper portions of the supports, a hydraulic pump is fixed in the middle of the upper end of the cabin body, a crawling ladder is installed at the left end of the front face of the cabin body, a case is fixed at the upper end of the cabin body, the containing frame is installed on the inner wall of the left side of the cabin body, and a protruding rail is fixed at the lower end of the cabin body. According to the movable sealed family nursing cabin for medical caring, through the supports, the movable sealed family nursing cabin ascends and descends on the cabin body through hydraulic rods, and the whole cabin body can be controlled to ascendand descend; when multiple nursing cabins are put in a ward, the nursing cabins can rise, every two nursing cabins can be superposed, and therefore the occupied space of the nursing cabin in the wardcan be reduced; meanwhile, the multiple nursing cabins can be put in the ward, and when the nursing cabins are superposed, the rolling wheels are folded at the lower end of the cabin body through thesupports along the rotating shafts, it is avoided that transient walkers bump on the rolling wheels, and the flexibility of the nursing cabin is improved.
Owner:THE FIRST AFFILIATED HOSPITAL OF MEDICAL COLLEGE OF XIAN JIAOTONG UNIV

Intelligent air exhausting and pleural effusion collecting device for treating pneumothorax

The invention discloses an intelligent air exhausting and pleural effusion collecting device for treating pneumothorax. The device comprises a slip dress that can be worn on a human body. The slip dress comprises one waist belt and two shoulder belts. Between two shoulder belts, a container is arranged on a position corresponding to the back of a human body. The lower end of the container is provided with an air outlet. The upper end of the container is provided with an air inlet and an air exhaust opening. A diversion pipe is connected to the air inlet of the container. The middle of the diversion pipe is connected to a micro pump and a controller. A pressure detection device and a pressure release device are arranged in the controller. When the air pressure of the controller reaches a predetermined maximal pressure of the pressure detection device, the pressure release device and the micro pump are started to exhaust air. When the air pressure of the controller reaches a predetermined minimal pressure, the pressure release device and the micro pump are stopped, and pleural effusion in the air is stored in the container. The device can be worn on a human body, can be attached to the inner side of a coat, can be hidden, can exhaust air intelligently, promotes the healing of patients, assists the movement of patients, and collects pleural effusion for the tests.
Owner:NANJING CHEST HOSPITAL

Fault simulation device for relay protection worker

The invention discloses a fault simulation device for a relay protection worker. A power input terminal is connected with a transformer; the output terminal of the transformer includes a secondary coil I and a secondary coil II; an input terminal of a no-voltage protection simulation loop is connected with the secondary coil II, and a no-voltage relay is arranged between the input terminal of theno-voltage protection simulation loop and the output terminal of the no-voltage protection simulation loop; the input terminal of a tripping simulation loop is connected with the secondary coil II; afirst resistor and a tripping relay are respectively arranged between the input terminal of the tripping simulation loop and the output terminal of the tripping simulation loop in sequence; the inputterminal of an alarm simulation loop is connected with the secondary coil I; and a second resistor and an alarm relay are sequentially arranged between the input terminal of the alarm simulation loopand the output terminal of the alarm simulation loop respectively. The device can effectively simulate the relay protection fault action state, can flexibly set the type of fault simulation, is simplein operation, and is higher in secrecy, thereby greatly shortening the training practical operation preparation time, and improving the examination efficiency of a relay protection worker.
Owner:GUANGDONG POWER ENG

Wheelchair anti-theft device

The invention relates to a wheelchair anti-theft device. The wheelchair anti-theft device comprises a beam frame rod on a wheelchair, a signboard, fixing bolts, a functional block, first switches and second switches, wherein the first switches and the second switches are arranged on the functional block and matched with the fixing bolts. The beam frame rod is a hollow pipe with two sealed ends, and the fixing block is fixed in the beam frame rod; the first switches and the second switches are either normally-open reset switches or normally-closed reset switches; a tracer connected with a battery in series is also arranged in the functional block, and the first switches and the second switches are connected at the two ends of the tracer in parallel; the fixing bolts are screwed on the beam frame rod to be capable of pressing the first switches and the second switches to control opening and closing of the first switches and the second switches. As a tracing device is arranged in the beam frame rod of the wheelchair in a sealed mode, and starting of the tracer is related to the fixing bolts for fixing the signboard, the secrecy is achieved; as the switches of a circuit are set as normally-closed and normally-open reset switches which are connected in parallel, the reliability of the circuit can be enhanced, and the operating stability of the tracer is guaranteed.
Owner:杨继芳

Self associative memory face identification method based on cellular neural network

The invention discloses a self associative memory face identification method based on a cellular neural network. The method comprises the steps of S1, randomly acquiring m face pictures, and performing numbering; S2, through setting a binary picture brightness threshold, respectively processing the m face pictures in the step S1 for obtaining binary face pictures, and obtaining a self associative memory input matrix and a self associative memory output matrix which are composed of the binary face pictures; S3, establishing a cellular neural network face picture identification model frame which comprises unknown model parameters; S4, by means of the unknown model parameters, determining a final cellular neural network face picture identification model; and S5, based on a self associative memory principle, performing identification matching on the random face picture. The self associative memory face identification method has beneficial effects of digitalized storage, high safety coefficient, high identification efficiency and high credibility of a matching result.
Owner:CHONGQING UNIVERSITY OF SCIENCE AND TECHNOLOGY
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products