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48results about How to "Simple hardware architecture" patented technology

Superficial venous image augmented reality method and device based on perspective projection

InactiveCN103226817AAugmented reality implementationAugmented reality easyImage enhancementImage analysisModel parametersPerspective transformation
The invention relates to a medical image augmented reality method and a device based on a projection technology, belongs to the field of wisdom medical treatment, and provides a means capable of assisting a doctor in performing diagnosis and treatment. The device is mainly characterized in that an infrared light source, an infrared camera and a projector constitute a light path, perspective transformation model parameters of target points before and behind a projection are determined by a calibration technology, and then a superficial image to be augmented is directly projected on the surface of patient skin after augmented transformation. According to the method and the device, geometrical model parameters of the projector and the infrared camera are obtained during calibration, the augmented image can be coincided with a real affected part accurately after the perspective transformation, and the augmented reality of the superficial image is realized. According to the method and the device, since only a placement relationship between the projector and the infrared camera is required to be determined, the transformation operation can be conducted in real time after a single calibration operation in a specific environment. Therefore, a hardware framework is simple and easy to realize, and the method and the device have good instantaneity and practicability.
Owner:WUHAN UNIV

Method for searching odor source with mobile phone and mobile phone based on method

The invention relates to a method for searching an odor source with a mobile phone and the mobile phone based on the method. The method comprises the following steps: S1, an odor detection application in the mobile phone is in a start state, odor information of air in the current position of the mobile phone is acquired by an odor sensor arranged in the mobile phone and transmitted to a processing module, and the mobile phone is moved from the current position; S2, odor information of air in the position of the moved mobile phone is acquired by the odor sensor and transmitted to the processing module, the processing module obtains odor direction information according to the concentration change information between the odor information of the air in the positions before and after movement of the mobile phone as well as positioning information, and the odor direction information is displayed through an odor direction display unit of a display module; S3, the mobile phone is moved according to the odor direction information displayed in the display module, and S2 is repeated until the odor source is found. The method has the advantages that the odor source direction can be judged, and a user is guided to get close to or away from the odor source.
Owner:台州市吉吉知识产权运营有限公司

Intelligent automatic control system for IoT intelligent dedusting device system

The invention relates to an intelligent automatic control system for an IoT intelligent dedusting device system, and particularly relates to an automatic control system for the safe running of a dedusting device system of flammable and explosive dust. The intelligent automatic control system includes an on-site on-off control device for controlling the on and off of a dedusting device, an on-site sensing data monitoring assembly, a lower computer, an industrial Ethernet and a host computer, the on-site on-off control device and the on-site sensing data monitoring assembly are connected with the lower computer, the lower computer is connected with the host computer via the industrial Ethernet, the data conversion module of the lower computer is connected with a data processing module via a data isolation module, an Ethernet communication module is connected with the data processing module, the data conversion module is connected with the on-site on-off control device and the on-site sensing data monitoring assembly, and the network communication interface of the ethernet communication module accesses to the industrial Ethernet. By means of such as system, the intelligentized automatic remote control without artificial intervention of the dedusting device in an enclosed environment can be realized, and the better and safe-running automatic dedusting control effect can be achieved.
Owner:SUZHOU PURIFY TECH CO LTD

Parking management method and device

The embodiment of the invention discloses a parking management method and device, and the method comprises the steps of: installing a wireless recognition base station in a parking lot, enabling the wireless recognition base station to manage a plurality of parking spaces in the parking lot, wherein the wireless recognition base station comprises an information reader-writer, and enabling a background server to acquire vehicle information reported by the wireless recognition base station and acquire a feedback signal of an identity identification card in real time, wherein the vehicle information is read from the identity identification card by the information reader-writer, and the identity identification card is installed on the target vehicle, determining the position points of a targetvehicle at different moments according to the signal intensity of the feedback signal by the background server, and identifying the parking starting moment and the parking ending moment of the targetvehicle according to the change conditions of the position points at different moments, thus performing parking management on the plurality of parking spaces in the parking lot according to the parking starting moment and the parking ending moment. In the process from parking to leaving of the target vehicle, manual intervention of a vehicle owner is not needed, dependence on other hardware is not needed, the hardware architecture is simpler, and the management and maintenance is lower in cost and simpler.
Owner:TENCENT TECH (SHENZHEN) CO LTD

A fingerprint authentication security hard disk cartridge and a mobile hard disk thereof

The invention discloses a fingerprint authentication security hard disk cartridge and a mobile hard disk thereof, the fingerprint authentication security hard disk cartridge at least comprises a firstinterface unit, a bridging controller, a second interface unit and a fingerprint unit, and the first interface unit is connected with a host and is used for realizing data communication between the host and the bridging controller; the second interface unit is connected with the hard disk unit and is used for realizing data communication between the hard disk unit and the bridging controller, wherein the hard disk unit is provided with a plurality of partitions; the fingerprint unit is connected with the bridging controller and is used for acquiring fingerprint input of a user and sending fingerprint information to the bridging controller; and a data encryption and decryption engine is arranged in the bridging controller and is used for managing fingerprint information and data encryptionand decryption of a plurality of partitions of the hard disk unit. Compared with the prior art, the fingerprint authentication and the data encryption key are managed by the bridging controller and the fingerprint unit together, and the fingerprint information and the user information are stored in the hard disk box, so that the safety performance is greatly improved.
Owner:SAGE MICROELECTRONICS CORP

Method and device for converting direct current B code into power system serial port time message

The invention belongs to the technical field of time synchronization, and particularly relates to a method and a device for converting a direct-current B code into a serial port time message of a power system. The invention aims to solve the problems of low precision and high cost of a CPU (Central Processing Unit) conversion mode adopted by the traditional method, and the time accuracy of the serial port time message signal of the power system can be superior to 1 microsecond. According to the main scheme, the device comprises a 10-frequency multiplication module, a code element identification module, a B code information analysis module, a second punctual edge extraction module, a 1PPS generation module, a time correction module, a serial port time message coding module, a serial port time message sending module and a serial interface driving circuit. Except for the serial interface driving circuit, the other modules are realized by the FPGA. The FPGA is adopted to convert the direct current B code into the power system serial port time message, high-precision serial port time message signal output is achieved, a CPU is not used, the hardware architecture is simple, stable and reliable, the cost is low, the device can be miniaturized and modularized, the application is flexible, and the expansibility is good.
Owner:成都引众数字设备有限公司

Data acquisition box and industrial big data acquisition method for intelligent manufacturing

The invention relates to a data acquisition box and an industrial big data acquisition method for intelligent manufacturing. The data acquisition box comprises an embedded processor, a communication unit and a security encryption unit, and the communication unit and the security encryption unit are in communication connection with the embedded processor separately, wherein the security encryptionunit adopts a data serial encryption technology, and collected signal data and communication control data are connected with an encryption and decryption module through a serial port separately; the industrial big data acquisition method adopts the data acquisition box, and a plurality of non-wired acquisition sensors are in communication connection with a far-end data processing cloud platform. The data acquisition box and the industrial big data acquisition method for intelligent manufacturing have the advantages that the problem that equipment performs safe and reliable collection is solved, the working condition of the equipment can be accurately known and uploaded, and the working condition and status of the equipment are counted, thereby analyzing the working condition and status ofthe equipment and formulating a scheme capable of improving the utilization rate and working stability of the equipment.
Owner:常州讯顺通讯科技有限公司

Large-screen mobile phone screen unlocking method and large-screen mobile phone

The present invention relates to a large-screen mobile phone screen unlocking method and a large-screen mobile phone. The method comprises the steps: S1, screen unlocking interface display: a touch screen is started, a CPU module randomly generates a binary feature module and convert the binary feature module to a three-dimensional figure to display a three-dimensional figure random feature surface on the unlocking interface of the touch screen; S2, unlocking, the rotation of the three-dimensional figure in the horizontal direction and/or the vertical direction on the unlocking interface is controlled through the touch screen, when the three-dimensional figure rotates to a pre-unlocking feature surface, the confirmation input is performed through the touch screen, the CPU module is configured to compare whether the binary feature module of the three-dimensional figure pre-unlocking feature surface on the current unlocking interface is the same as a preset binary feature module or not, if the binary feature module of the three-dimensional figure pre-unlocking feature surface on the current unlocking interface is the same as a preset binary feature module, the CPU module controls the touch screen to unlock, and if the binary feature module of the three-dimensional figure pre-unlocking feature surface on the current unlocking interface is not the same as a preset binary feature module, the step returns back to the step 1 and the binary feature module of the three-dimensional figure feature surface is randomly reset. The large-screen mobile phone screen unlocking method and the large-screen mobile phone can rapidly unlock the mobile phone screen in the state that the mobile phone is stably held by one hand so as to overcome the convenient unlocking caused by the large screen of the mobile phone.
Owner:湖州帷幄知识产权运营有限公司

File sharing closed-loop system and file sharing closed-loop control method based on Wi-Fi storage

InactiveCN106254554ASimple structureSolve the problem of low acquisition efficiencyTransmissionWi-FiLoop control
The invention relates to a file sharing closed-loop system and a file sharing closed-loop control method based on Wi-Fi storage. The method comprises the following steps: A, setting of a data caching layer; B, a resource request retrieval link: routers and resource collection stations are connected, each router transmits a resource source to the corresponding resource collection station, each resource collection station retrieves resources, and if each resource collection station succeeds in retrieving a resource, the corresponding routers acquire the source directly from the resource collection station; and C, a new resource caching link: if a resource cannot be acquired from any resource collection station, the resource is acquired through the corresponding routers, and the routers transmit the resource to the resource collection station, and/or the resource collection station downloads the resource based on a clue left according to a customer's request. The system and the method have the following characteristics: (1) a resource fast caching mechanism is adopted; (2) a resource fast acquisition mechanism is adopted; (3) a communication protocol for communication between the routers and the resource collection stations is adopted; and (4) a resource verification algorithm and a resource verification mechanism are adopted.
Owner:PHICOMM (SHANGHAI) CO LTD

Traffic accident compulsory broadcasting method and system

The invention relates to a traffic accident compulsory broadcasting method and a traffic accident compulsory broadcasting system, which solve the existing problem that road condition information and the like cannot be obtained timely when navigation is not enabled by a user. The traffic accident compulsory broadcasting method comprises the steps that: S1, the user chooses to enable a compulsory broadcasting function, and sets a threshold condition for automatic enabling of the compulsory broadcasting function; S2, the background saves at least one process for monitoring the monitoring data corresponding to a category of the threshold condition, and an application automatically enables the compulsory broadcasting function when the process monitors that the current monitoring data of the user exceeds the threshold condition; S3, and real-time position information and real-time advancing direction information of the user are acquired and sent to a server side, road passage information near the user is searched, and an alarm prompting module sends out alarm when passage abnormity is found. The traffic accident compulsory broadcasting method and the traffic accident compulsory broadcasting system have the advantages that the user can be informed of abnormal road conditions when the application is not opened by the user, and the multi-vehicle accidents or continuous congestion caused by the situation that the customer enters accident or congested road sections hastily when the navigation is not enabled can be avoided.
Owner:PHICOMM (SHANGHAI) CO LTD

A large-screen mobile phone screen unlocking method and large-screen mobile phone

The invention relates to a method for unlocking the screen of a large-screen mobile phone and the mobile phone. Steps of the method of the present invention: S1, screen unlocking interface display: the touch screen starts, the CPU module randomly generates a binary feature array and assigns the binary feature array to a three-dimensional graphic, so that a random feature surface of the three-dimensional graphic is displayed on the unlocking interface of the touch screen; S2 , Unlocking: through the touch screen, control the three-dimensional graphics to rotate horizontally and / or vertically on the unlock interface. When the three-dimensional graphics rotate to the pre-unlock feature surface, the input is confirmed through the touch screen, and the CPU module compares the three-dimensional graphics on the current unlock interface. Whether the binary feature array of the pre-unlock feature surface is the same as the preset binary feature array; if they are the same, the CPU module controls the touch screen to unlock; if they are different, return to step S1 to randomly reset the binary feature array of the three-dimensional graphic feature surface. The invention realizes quick unlocking of the screen of the mobile phone when the mobile phone is firmly held by one hand, and overcomes the inconvenience of unlocking the mobile phone due to the large screen.
Owner:湖州帷幄知识产权运营有限公司

A torque control method for surface-mounted permanent magnet synchronous motor without current feedback

The invention provides a current-feedback-free surface mounted type permanent-magnet synchronous motor torque control method. The method includes the steps of firstly, regularly collecting mechanical angles of a motor rotor in a digital controller, and calculating the angular speed of the rotor; secondly, calculating the required shaft voltage component according to the angular speed, the expected motor output torque value and motor parameters; thirdly, converting the mechanical angles of the rotor into electrical angles according to the calibrated conversion relation, and conducting shafting conversion through the current electrical angle to calculate the required motor three-phase terminal voltage; fourthly, completing the output of the three-phase terminal voltage through a PWM inverter so that the output control of the electromagnetic torque can be achieved. According to the method, the current vector coordinate conversion and current feedback control process is replaced with the open loop voltage vector control method, no current sensors or current-controllable PWM inverters need to be used, the good torque control effect can be achieved within the wide rotating speed range, and the method is particularly suitable for low-bandwidth precise servo control systems with the high requirement for circuit reliability.
Owner:BEIJING RES INST OF SPATIAL MECHANICAL & ELECTRICAL TECH

Method for finding odor source by using mobile phone and mobile phone based on the method

The invention relates to a method for searching an odor source with a mobile phone and the mobile phone based on the method. The method comprises the following steps: S1, an odor detection application in the mobile phone is in a start state, odor information of air in the current position of the mobile phone is acquired by an odor sensor arranged in the mobile phone and transmitted to a processing module, and the mobile phone is moved from the current position; S2, odor information of air in the position of the moved mobile phone is acquired by the odor sensor and transmitted to the processing module, the processing module obtains odor direction information according to the concentration change information between the odor information of the air in the positions before and after movement of the mobile phone as well as positioning information, and the odor direction information is displayed through an odor direction display unit of a display module; S3, the mobile phone is moved according to the odor direction information displayed in the display module, and S2 is repeated until the odor source is found. The method has the advantages that the odor source direction can be judged, and a user is guided to get close to or away from the odor source.
Owner:台州市吉吉知识产权运营有限公司
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