62results about How to "Number of realizations" patented technology

The invention provides a touch displaying device. The touch display device comprises a touch screen configured on a substrate, wherein the touch screen is integrated in the displaying device, the common part of the touch screen and the displaying device is used as an electrically conductive structure. Since a metal layer is omitted, the touch displaying device has small thickness and good light transmittance.

A method for analyzing data, the data characterized by a set of scalars and a set of vectors, to analyze the data into components related by statistical correlations. In preferred embodiments, the invention includes steps or devices for, receiving a set of a scalars and a set of vectors as the inputs; calculating a correlation direction vector associated with the scalar and vector inputs; calculating the inner products of the input vectors with the correlation direction vector; multiplying the inner products onto the correlation direction vector to form a set of scaled correlation direction vectors; and subtracting the scaled correlation direction vectors from the input vectors to find the projections of the input vectors orthogonal to the correlation direction vector. The outputs are the set of scalar inner products and the set of vectors orthogonal to the correlation vector. The steps or devices can be repeated in cascade to form a multi-stage analysis of the data. The invention can also be used with a steering vector preceding the adaptive analysis stages.

The invention discloses a five-level self-balanced inverter based on a bridge switched capacitor module and relates to a multi-level inverter. The five-level self-balanced inverter is provided with the bridge switched capacitor module and two half-bridge circuits. The bridge switched capacitor module is provided with an H bridge and a switched capacitor module. The H bridge is provided with four high-frequency switches S1, S2, S3, and S4. The switched capacitor module is provided with a first capacitor C1a and a second capacitor C1b which are in series connection with a first capacitor network, a third capacitor C2a and a fourth capacitor C2b which are in series connection with a second capacitor network, and four full-controlled devices MOSFET switching tubes S1a, S1b, S2a, and S2b. The two half-bridge circuits are formed by four full-controlled devices MOSFET switching tubes S5, S6, S7, and S8. The five-level self-balanced inverter based on the bridge switched capacitor module may output five levels including 0, +-/2Ui, and +/-4Ui by controlling switch operating state, and achieves boosted output while outputting the multiple levels.

The invention discloses a system and method for acquiring link information in a bilayer VPN (Virtual Private Network). The method comprises the following steps of: acquiring link information of connected CE (Customer Edge) equipment, forming a statistics type value according to the link information and sending a message carrying the statistics type value to entry PE (Provider Edge) equipment by egress PE equipment; and acquiring the statistics type value from the received message carrying the statistics type value and further acquiring the link information between each egress PE equipment and the connected CE equipment by the entry PE equipment, wherein the message carrying the statistics type value can be an LDP (Label Distribution Protocol) announcement message or a BGP (Booting Gateway Protocol) updating message or a PW (Pseudo-Wire) OAM (Operation, Administration and Maintenance) message. By sending the message carrying the statistics type value at the egress PE node to the entry PE equipment, the invention realizes the requirement that the link information between the egress PE and the receiving CE, such as the link number, the minimum MTU (Maximum Transfer Unit), the minimum rate, the maximum rate, and the like is acquired through counting at the root node.

The invention discloses a display panel driving method and a display panel. The method comprises the following steps: grouping shifting registers in a grid driving circuit, setting different frame starting signal terminals and different clock control signal terminals for the groups of shifting registers so as to control the working states of the groups of shifting registers at different frame display times; at first display frequency, controlling all of the groups of shifting registers to work for one time according to the sequence of the groups of shifting registers within each frame of scanning time to display an image, and inputting column overturning display signals with lower power consumption to data lines at this time to realize a point overturning display effect; and at second display frequency subjected to frequency reduction compared with the first display frequency, scanning all grid lines for one time within multiple frames of continuous scanning times according to the frequency reduction fold and the number of the groups of shifting registers so as to display an image. The number of display signals located by the data lines within each frame of scanning time is reduced, the times of negative and positive polarity switch of the display signals are reduced, and the power consumption is reduced.

A data exchange method for a heterogeneous CAD model in the spacecraft development process comprises the following steps that 1, non-geometric information definition is performed to determine the classification, names, meanings and contents of non-geometric information; 2, the non-geometric information is extracted in source CAD software, a source CAD model containing the non-geometric information is read, a non-geometric information extraction module is called to extract the non-geometric information saved in the source CAD model and save it to an XML file; 3, an initial target CAD model is generated; 4, the non-geometric information is imported to the initial target CAD model to get a final CAD model. By adopting the steps, the data exchange method can successfully perform data exchange between heterogeneous CAD systems, overcomes the defects in the prior art, geometric information can be transferred, non-geometric information can be also transferred, the integrity and consistency of data exchange are ensured, accordingly artificial participations are decreased, and the spacecraft development efficiency is improved.

The invention discloses a valve plate feeding mechanism of a compression/restoration valve. The feeding mechanism is characterized by comprising a base plate and a controller, wherein the base plate is provided with a lower positioning block and an upper positioning block; edges of the lower and upper positioning blocks are connected with guide rods; a vertical hole is formed in the center of the upper positioning block; a valve plate mounting rod is arranged on the upper side of the upper positioning block; the lower end of the valve plate mounting rod extends into the vertical hole of the upper positioning block. Adjacent faces of the upper and lower positioning blocks are both provided with long grooves which correspond to each other and extend to the edges; a valve plate push plate is arranged in each long groove. A longitudinal shallow groove, which extends to one end of the valve plate push plate and is matched with the valve plate, is formed at a position, corresponding to the vertical hole, of the upper surface of the valve plate push plate. A cylinder is arranged on the lower side of the base plate; the rack at the outer ends of a piston rod of the cylinder and the valve plate push plates is provided with a vertical plate; the outer ends of the piston rod and the valve plate are both connected with the vertical plate. The controller is connected with the cylinder. By using the feeding mechanism, less labor is used, the production cost is low, the production efficiency is high, and the metering is accurate. The feeding mechanism is suitable for assembling the valve plate of the compression/restoration valve on an automobile inflatable vibration damper.

The invention discloses a circuit of a single transformer for realizing luminance building-up and maintaining functions of a laser gyroscope high-voltage power supply. The circuit comprises a microprocessor chip, a luminance building-up control circuit, a quasi-resonance control chip, a transformer rectification and filtration circuit, a constant-current circuit and a feedback circuit. According to the circuit, the luminance building-up and maintaining functions of a laser gyroscope are realized, so that the laser gyroscope generates laser, maintains the laser, and keeps working within a certain current range, and the defects of large power consumption, multiple types and quantity of components, and the like caused by two transformers of a circuit of an original laser gyroscope high-voltage power supply are overcome; meanwhile, the size of a circuit board is effectively reduced, and the EMI (Electro-Magnetic Interference) interference is effectively inhibited.

The invention relates to a continuous feed and cutoff device of fibers. The continuous feed and cutoff device mainly comprises a roll type continuous feed mechanism, a rotary cutoff mechanism and a mechanical continuously variable transmission mechanism. When the device runs, fiber lines pass through a feeding nozzle, penetrate through a gap between a fixed roll and an adjusting roll and enter the rotary cutoff mechanism. A transmission wheel is driven to rotate through drive rotation of external power, and rotary shafts are driven by the transmission wheel to achieve continuous feed and rotary cutoff on the fiber lines. Meanwhile, the reference diameter of transmission belts between left transmission wheel sheets and right transmission wheel sheets is changed by loosening locking nuts and adjusting hand wheels, continuously variable transmission is achieved, and then the feed speed and cutoff length of the fibers are adjusted. According to the device, a single fiber line can be introduced, multiple fiber lines can be introduced, continuous and even feed and cutoff are achieved, work efficiency is greatly improved, the adjustment range of different fiber lengths and different adding quantities is wide through the continuously variable transmission mechanism, and needs of different products are met.

The invention discloses an electric vehicle transmission. The electric vehicle transmission comprises a transmission shell, a driving motor rotor, a driving motor stator, a sun gear II, a driving motor output shaft and a sun gear I; a shaft extension end of the driving motor rotor is fixedly connected with the driving motor output shaft; the sun gear I sleeves the left end of the driving motor output shaft; a first planet row planet gear is mounted on a planet carrier; a wedged brake I is mounted on the inner wall of the transmission shell, and cooperates with a first planet row planet gear ring; and the sun gear II sleeves the right end of the driving motor output shaft. The electric vehicle transmission has two gears, meets the demands of vehicle acceleration, climbing and the like through reasonable matching of speed ratios, and prolongs the driving range; through integral design of a driving motor and a transmission, a control system is simplified, the number of control elements isreduced, the control difficulty is reduced, and the vehicle NVH performance and the sitting comfort are improved; and through the integral design scheme, the axial size of a power assembly is shortened, and the mounting space is saved.

The invention relates to the technical field of data processing, in particular to a method and device for detecting the number of target objects in a monitoring area, and solves the problem that the detection efficiency is low when the number of the target objects in the monitoring area is manually detected. The method comprises the following steps: determining the total number of target objects of each to-be-processed video frame associated with specified acquisition time, screening out each group of to-be-processed video frames with a shooting overlapping area from each to-be-processed video frame, and for each group of to-be-processed video frames, determining repeated target objects at least based on the identified three-dimensional coordinates of the key points on each target object in the ground coordinate system and the re-projection of the key points, and obtaining the number of the target objects in the monitoring area after deleting the repeated target objects. Therefore, the number of the target objects in the monitoring area can be effectively detected, the statistical efficiency of the number of the target objects in the monitoring area is improved, and the accuracy of the number detection of the target objects is ensured.

The invention relates to an automatic printing device and method based on a network service system. Ultra-long-distance automatic printing is realized, a process from user request transmitting to printing is finished, the problems that in the daily life, printing time is generally long, printing places are less and the like are solved, and the labor cost and the time cost are greatly saved. The problems that in common colleges and universities, the numbers and positions of printing stores are insufficient, students sometimes need to walk a long distance to find a printing store, and if materials need to be collected in a short time, the students will feel difficult to print the materials are solved.

The embodiment of the invention discloses a virtual key sharing method, device and system, equipment and a storage medium. The method comprises the steps of receiving a sharing request message of a virtual key initiated by a first user side, and determining a virtual key pair for a second user side, wherein the sharing request message includes identification information of a vehicle, identification information of the second user side and use limitation information of a vehicle; according to the identification information of the second user side, sending the user virtual key in the virtual keypair to the second user side; and according to the identification information of the vehicle, sending the vehicle virtual key in the virtual key pair and the use limitation information to the vehicle,wherein the user virtual key is matched with the vehicle virtual key. According to the embodiment of the invention, the virtual key is used for controlling the vehicle without limitation of the number and carrying of entity keys so that safety, flexibility and convenience of vehicle control are improved.

The invention discloses a lift informationized monitoring and management system. The lift informationized monitoring and management system comprises a supervision platform, an electronic tag module, multiple management devices arranged in a construction lift car and multiple operation management and control devices arranged in a construction lift operation room. The management devices, the operation management and control devices and the supervision platform are in data interaction through a network. The operation management and control devices comprise radio frequency identification modules,operation button modules, main control modules, operation room monitoring modules and communication modules, wherein the radio frequency identification modules, the operation button modules, the maincontrol modules, the operation room monitoring modules and the communication modules are connected. The electronic tag module is arranged in a safety helmet of a lift operator, the electronic tag module is provided with an antenna, the electronic tag module can dialogue with the radio frequency identification modules through the antenna, and relevant information of the lift operator is stored in the electronic tag module. The number and the weights of people in the car and safety violation caused by the fact that safety helmets are not worn can be pre-warned, the use of the lift and the safetyof passengers are effectively improved, timely monitoring, analysis and feedback can be achieved, and high efficiency of lift management is improved.

The invention proposes a dual active bridge (DAB) converter-based large-power dual-modular hybrid energy storage system and a grid-connected method thereof. The hybrid energy storage system is mainlycharacterized in that a hybrid energy storage unit employs H bridges as basic units to modularize a DAB, and the combination of H bridges in the hybrid energy storage unit is changed by switching of an isolation switch so as to change a working mode. With regard to DC buses with different voltage classes and power demands, the hybrid energy storage unit module is expanded to two chain structures of input parallel output series (IPOS) and input parallel and output parallel (IPOP) by cascading. By the system, the converter and the energy storage device cannot be added, and internal energy transmission of the hybrid energy storage unit during off-network is achieved. By the mode, the voltage ratio matching degree of the supercapacitor DAB can be optimized in advance, the problem that a grid-connected front end is low in voltage caused by a self-discharging effect of the supercapacitor and the efficiency of the converter is reduced brought by poor voltage ratio matching degree at initial period of grid connection are solved, and the stability of the DC bus is ensured.

The invention discloses a rock damage test experiment table under ultrasonic vibration. The experiment table comprises a guide fixing mechanism, a rock clamping mechanism, a hydraulic pressurization mechanism, an ultrasonic vibration mechanism, a rock amplitude measurement system, a sound emission measurement system and an infrared feature measurement system. According to the rock damage test experiment table under the ultrasonic vibration built by utilizing an amplitude detection technology, a sound emission technology and an infrared detection technology, dynamic testing of rock internal crack development, rock internal stress change, an attenuation condition of a stress wave in a rock and effective rock crushing depth can be realized; and the damage process of the rock under the ultrasonic vibration can be comprehensively tested in multiple aspects, and optimal rock crushing parameters under the ultrasonic action, including a frequency, a static pressure, an amplitude and the like are determined, so that the defects and the errors of a single detection method are reduced, the experiment efficiency is improved, favorable support is provided for the research of an ultrasonic rockcrushing mechanism, and the experiment table has the advantages of being accurate, convenient and economical.

According to the thermal deception method and the thermal deception structure, a directional heat conduction structure composed of a high-heat-conductivity material and a low-heat-conductivity material which are distributed according to a specific rule is introduced above an actual object plane where a heat source (object) is located, and the directional heat conduction structure can directionally guide heat flow generated by the heat source on the actual object plane, therefore, a special thermal phantom is generated on an emergent surface (namely an observation image plane) of the directional heat conduction structure. Compared with an actual heat source, the number, the position, the size, the shape and other characteristics of the thermal illusion can be regulated and controlled by designing the heat conduction direction of the directional heat conduction structure, and then the pre-designed thermal deception effect can be achieved.

The invention discloses a compression/recovery valve sheet cutting device for an automobile inflatable shock absorber. The compression/recovery valve sheet cutting device is characterized by comprising a base plate and a controller, wherein a lower positioning block and an upper positioning block are arranged on the upper surface of the base plate, and first guide rods are arranged on the edges of the lower and upper positioning blocks; a vertical hole is formed in the center of the upper positioning block, a valve sheet installation rod is arranged above the upper positioning block, and the lower end of the valve sheet installation rod extends into the vertical hole of the upper positioning block; long grooves which correspond to each other and extend to the edges are formed in adjacent surfaces of the upper and lower positioning blocks, and valve sheet push plates are arranged in the long grooves; longitudinal shallow grooves which extend to one end of the upper surface of each valve sheet push plate and adapt to a valve sheet are formed in corresponding positions of the upper surfaces of the valve sheet push plates and the vertical hole; push rods are connected to one end, in which the shallow grooves are not formed, of each valve sheet push plate; air cylinders are arranged below the base plate, vertical plates are arranged on racks on the outer ends of piston rods of the air cylinders and the push rods, and the outer ends of the piston rods and the push rods are connected with the vertical plates; the controller is connected with the air cylinders by virtue of conducting wires. The compression/recovery valve sheet cutting device has the advantages of less labor, low production cost, high production efficiency, accuracy in measurement and is suitable for assembly of the valve sheet.