8 results about "Hardware structure" patented technology

The invention provides an ultrasonic phased array detector with low power consumption and capability of real-timely transforming styles of arrays. The whole system comprises an FPGA (Field Programmable Gate Array) control module, a square MEMS (Micro-electromechanical Systems) ultrasonic sensing array, a PCI (Programmable Communications Interface) bus, a signal processing module and an array style and frequency selection module. The FPGA module comprises a pulse control unit and a beam control unit; the square MEMS ultrasonic sensing array is a square phased array with the same numbers of transverse rows and longitudinal rows which are made up of many MEMS ultrasonic sensors and have the same spacing; the array is formed by arranging a row of emission arrays and a row of receiving arrays in a crossing manner; each emission array element has an independent pulse excitation channel; each receiving array element has an independent echo receiving channel; the signal processing module is composed of amplification units and filter units, which have the same number with that of the receiving array elements; the array style and frequency selection module is composed of key arrays; the key arrays are capable of respectively representing many kinds of different array styles and different ultrasonic frequencies so as to be suitable for different detection conditions, thus a hardware structure of arrays is simplified; therefore, the ultrasonic phased array detector is applicable to detecting various robots under different special environments.

The invention relates to a method and a device for generating a true random number. The device comprises a high frequency oscillator, an initial seed number generation unit, an error diffusion calculation unit, a linear feedback unit, a control unit and a random number output unit, wherein the output end of the high frequency oscillator is connected with the input end of the initial seed number generation unit; the output end of the initial seed number generation unit is connected with the input end of the error diffusion calculation unit; the output end of the error diffusion calculation unit is connected with the linear feedback unit; the output end of the linear feedback unit is connected with the control unit; and the control unit is connected with the random number output unit. The device achieves a metastable state circuit only by using general logic hardware, so the hardware structure is simplified; one-time-pad is realized by storing an initial seed number in a cache reset at each time; judgment and feedback control are realized by using a generator polynomial; and a secure hash algorithm is realized by using an error diffusion process, therefore, an effect that the random number is difficult to copy or forecast is achieved.

The invention discloses a mobile terminal and an unlocking method and system thereof. The unlocking method comprises the following steps of: displaying an unlocking interface by a touch screen, wherein the unlocking interface comprises at least one pointer; when the pointer is rotated, obtaining rotation information of the pointer, wherein the rotation information comprises a number of rotation ofeach pointer in a preset time period and a rotation angle in each rotation; judging whether the rotation information is same as a preset unlocking condition or not; and if the judging result is positive, unlocking the mobile terminal. According to the unlocking method, the unlocking of the mobile terminal is realized through the pointer, and the rotation angle and manner of the pointer have infinite possibilities, so that other users are difficult to break, thereby greatly improving the safety coefficient; and the method can be realized through a simple hardware structure, so that the cost isrelatively low.

The invention discloses an Internet-based remote control building intelligent monitoring system which comprises a mobile terminal, a network platform and a server. The mobile terminal is connected with the network platform through a wireless transmitting module and a wireless receiving module. The server is connected with the network platform and a network switch. The network switch is connected with an alarm control management system, a one-card management system, a parking control management system, an attendance control management system, an access control management system, a consumption control management system, a monitoring system, a patrol management system, a lighting electrical appliance management system and an intelligent home management system. The alarm control management system comprises a built-in alarm host and an external alarm host. According to the invention, the server adopts an embedded pure hardware structure and is completely separated from the Windows system; any subsystem can be controlled and managed through a network; the alarm capability is improved; the system can conveniently cope with emergencies; and the safety protection performance of a resident building is improved.

The invention relates to the field of electromagnetic heating and particularly relates to an electromagnetic heating controller. The electromagnetic heating controller comprises a rectifier module, a filter unit, an inverter unit and an oscillation amplifying unit sequentially in electrical connection. The electromagnetic heating controller also comprises a control circuit module; the control circuit module comprises a sensing detection circuit unit, a CPU controller, an output driving unit, a phase-locked phase shift unit and an interface control unit; the CPU controller is respectively electrically connected with the sensing detection circuit unit, the output driving unit, the phase-locked phase shift unit and the interface control unit; the sensing detection circuit unit is respectively electrically connected with the rectifier module, the filter unit, the inverter unit, the oscillation amplifying unit and the phase-locked phase shift unit; the inverter unit is electrically connected with the output driving unit; and the interface control unit is electrically connected with an external control signal module. The electromagnetic heating controller uses the current mutual inverter system AC-DC-AC hardware structure, and has the advantages of high electrothermal conversion efficiency, long service life and good stability.

The present invention provides a display panel and a method for fabricating the same. The method for fabricating the display panel includes providing an array substrate having at least one mounting slot for providing a mounting space for a hardware structure; putting an additional body in the mounting slot; depositing an organic light emitting layer on the array substrate, wherein the additional body at least partially protrudes from the mounting slot in order to break the area of the additional body protruding from the mounting slot during the deposition of the organic light emitting layer; and after the deposition of the organic light-emitting layer, removing the additional body to form a hole in the organic light-emitting layer, wherein the projection area of the hole on the bottom surface of the array substrate does not exceed the projection area of the mounting slot on the bottom surface of the array substrate. The display panel of the invention can avoid a large number of particles generated during a traditional cutting and slotting process, and improves the production yield and the product performance of the display panels.

The invention discloses an Energy-storage battery data recording protection device. The device comprises an external component and an internal component, wherein the external component comprises a shell, the shell is a high-temperature resistant metal material, the shell is filled with an insulating and flame-retardant material, and the internal component comprises a database and a communication module, wherein the communication module acquires data information of a battery and stores the data information in the database. the device can record the battery operation data of the energy storage power station in real time, After the battery is damaged by abnormal operation or external impact, combustion or deformation, the stored battery information can be used to view the battery internal change process before the accident, recover the accident site, conduct accident analysis, reduce the later loss, improve the battery system and improve the hardware structure of the energy storage battery, so as to avoid accidental accident.