46results about How to "Secretive" patented technology

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.

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.

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.

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.

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.

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.

The invention discloses a file protection method and device. The method comprises the steps of receiving a file search instruction, monitoring a character string in the file search instruction, comparing the character string with a preset code, and returning file interface data corresponding to the preset code if the character string is the preset code. By the adoption of the file protection method and device, privacy and security of private files can be improved.

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.

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.

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.

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.

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.

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.

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.

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.