43results about How to "Cost unchanged" patented technology

A novel wireless charging transmission device provides a wireless charging emitting function and can greatly reduce heating amount of a wireless charging area and a near area and enable a wireless charger to be minimized in size and thin. The device comprises a wireless charging and emitting circuit module (1.0), a high frequency alternating current power transmission line (1.1) and an emitting coil module (1.2). The novel wireless charging transmission device is characterized in that the wireless charging and emitting circuit module (1.0) is arranged in an energy converting part casing (1.4), the emitting coil module (1.2) is arranged in an energy emitting part casing (1.5), the wireless charging and emitting circuit module (1.0) is in electric connection with the emitting coil module (1.2) through the high frequency alternating current power transmission line (1.1), and energy of the emitting circuit module (1.0) is transmitted to the emitting coil module (1.2) with high efficiency.

The chip is composed of following parts mainly: CPU, conditional receiving module, audio/video decoder, post-processing module for video, audio/video output module, bus and clock management, external memory controller, and general purpose interface etc. Data interaction of these parts is carried out through system bus and general bus mainly. The disclosed chip possesses low requirement for system frequency to realize normal decoding audio/video for example at system clock 54MHz. Features are: low power consumption, low requirement for SOC design technology, and high ratio between performance and cost. The chip possesses abundant interface functions and built in 32 bits RISC CPU, which is in favor of users to carry out development in second times.

The invention discloses a mineral leaching technique of a double-stage biological and chemical reactor, which separates the traditional biological mineral leaching process into a biological reacting process with bacteria growth and Fe2+ oxidation as well as a chemical reacting process with bacteria product oxidation and mineral leaching, and suitable conditions of the two processes are respectively controlled, thus improving efficiency of bacteria oxidation and mineral leaching. Compared with currently popular biological mineral leaching methods, the mineral leaching technique of the double-stage biological and chemical reactor greatly improves production efficiency.

The invention discloses a touch panel, which comprises a base plate, a plurality of sensor pads, a plurality of dummy components and a plurality of electrostatic discharge components, wherein the sensor pads are arranged on the base plate; the sensor pads are distributed at intervals, and an insulating gap area is reserved between two adjacent sensor pads; each sensor pad comprises a side edge part and a corner part; the dummy components are respectively arranged in the insulating gap areas and respectively adjacent to the side edge parts of the sensor pads; and the electrostatic discharge components are coupled to the side edge parts of the sensor pads and bridged to vertical corresponding positions of the dummy components.

The invention discloses a quick starting method and system for a virtual machine of a network security practical training platform, and the method comprises the steps of deploying a remote file systemserver on a control node, and enabling a mirror image warehouse of mirror image service to be shared with all computing nodes; monitoring the original mirror image directory through a mirror image cache agent program, and adding the original mirror image file to the cache mirror image directory in a soft link form; when a virtual machine is created according to a training platform virtual machinecreation queue, enabling an agent to periodically scan the started virtual machine, checking whether a mirror image file used by the virtual machine is cached or not, and copying an uncached mirror image file to a cache mirror image directory of a local machine; and after the copying is finished, replacing the soft link of the mirror image file in the cache mirror image directory with a real file, and replacing the basic files of all virtual disks of the virtual machine using the mirror image file of the local machine. According to the invention, an existing system is modified, so that the time required for mirror image cold start of the virtual machine is shortened, and meanwhile, the high performance of local storage is reserved.

The invention discloses a symmetric interchange structure circulation draught fan, and belongs to ventilation equipment. The symmetric interchange structure circulation draught fan structurally comprises a circulation draught fan shell body, suction port end covers, an air outlet, a motor and draught fan blades. Connectors are symmetrically arranged at the left end and the right end of the circulation draught fan shell body. The suction port end covers and the motor are symmetrically arranged on the connectors on the two sides of the circulation draught fan shell body. The motor is connected with the circulation draught fan shell body through motor flanges and motor end covers, and a motor support is arranged at the lower portion of the motor. The symmetric interchange structure circulation draught fan has the beneficial effects that the left-and-right symmetric design of the circulation draught fan shell body is achieved, a suction port can be installed on the left side or the right side at will, the left suction or right suction circulation manner is achieved, the position of an air inlet can be adjusted according to actual situations, and the air inlet path can be adjusted; and seamless butt joint between the circulation draught fan and a ventilation port and other facilities is reliably achieved, the field installing problem can be solved, the field construction amount is reduced, the installing manner is flexible, and dismounting and maintaining are convenient.

The invention relates to an open-loop metastable state detection and correction method, and the method comprises the steps of enabling a frequency synthesizer to output a coherent clock signal to a testing tool, enabling the testing tool to generate a PRF signal with the coherent clock signal as the reference, and outputting the PRF signal to the frequency synthesizer; enabling the frequency synthesizer to take the PRF signal as the output timing of a complex waveform signal; and enabling the frequency synthesizer to adopt the metastable state detection logic to judge the edge-edge (rising edge) relationship between a local logic clock and the PRF. The frequency synthesizer can always stably acquire the PRF signal by switching the clock, the edge-collection-edge is avoided, and the problemof metastable state is solved.

The invention relates to a novel high-resolution portal imaging system, belongs to the field of medical instruments, and is applied to tumor radiotherapy. The novel high-resolution portal imaging system comprises a multi-blade collimator comprising multiple blades which are installed in a box body. The box body is installed on a slide block of a linear guide rail and can move along the linear guide rail. Each blade can move along blade guide grooves of the box body. The box body moves in a dragging way via a leading screw transmission mechanism. The blades move in the dragging way via leading screw nuts. A required portal shape is formed by positions of the multiple blades and the box body via positioning and controlling, and dimension of a dose calculation matrix unit of the portal imaging system is 2.5mm*2.5mm. The novel high-resolution portal imaging system is characterized in that the blades comprise a group of intermediate blades, a second group of blades and a third group of blades. The second group of blades are arranged at the two sides of the group of intermediate blades. The third group of blades are arranged at the two sides of the second group of blades. The novel high-resolution portal imaging system has characteristics of being high in performance, low in cost and high in practicality.

The invention relates to the technical field of time synchronization, and discloses a method for automatically measuring IRIG-B time service signal propagation time delay, a time service slave stationand a time service system. That is to say, coarse synchronization of slave station clocks is carried out at a time service slave station side; a standard IRIG-B time code signal is fed back to the time service master station based on the coarse synchronization result; and finally, acquiring propagation time delay of the IRIG-B time service signal based on an OR logic processing signal obtained bythe master-slave station standard IRIG-B time code signal. Therefore, the time service slave station can automatically measure to obtain the time delay information for further accurate synchronization, meanwhile, the whole measurement process does not need manual participation, manual deviation can be avoided, the measurement accuracy can be ensured, and the technical requirement level of equipment for use and maintenance personnel can be reduced.

The invention discloses a control device of an electromagnetic switch valve and a control method thereof. The control device comprises a controller, a first sensor for sensing vehicle running environment condition information and a second sensor for sensing engine working state information, wherein the controller is integrated with a main control chip and a database module, and the database moduleis used for storing running characteristic data sets of the electromagnetic switch valve under different vehicle running environment conditions and different engine working state conditions; and thefirst sensor and the second sensor are both electrically connected with the main control chip, and the main control chip matches the operation characteristic data of the electromagnetic switch valve from the database module according to the vehicle running environment condition and engine working state information received by the main control chip, and correspondingly controls the electromagneticswitch valve to work according to the operation characteristic data. The control device is simple and reasonable in structure, and easy to control, graded control on the air intake of the electromagnetic switch valve can be achieved, and starting performance and idling stability performance of a vehicle are ensured when the vehicle is used in plain areas and plateau areas.