31results about How to "Low cost feature" patented technology

The invention provides a Ka-band tilt-structure active phased array antenna, so as to provide an active phased array antenna which is high in integration density and can improve maintainability and interchangeability. According to the technical scheme, one path of RF signals transmitted by a transmitting signal processing terminal are transmitted to a power distribution / synthesis network (5) via a signal interface and a radio frequency interface to be divided into M paths of signals; according to information of an azimuth angle and a pitch angle of the phased array antenna provided by the transmitting signal processing terminal in real time, a beam controller (4) calculates and obtains beam pointing of the phased array antenna in real time through an FPGA; the beam pointing of the phased array antenna is converted into phase data needed by each array element under control of the beam controller (4); the data are transmitted to tilt-type TR assembly sub array modules in N channels respectively via a high and low-frequency interconnected multi-core high and low-frequency socket, and under control of the beam controller, M*N paths of signals are transmitted to an antenna array, and thus signal transmission is completed, and synchronous electric control scanning of beams transmitted by the phased array antenna is realized.

The embodiment of the invention discloses a UWB system positioning base station calibration method and a device thereof. The method comprises the following steps: acquiring the data transmission timeof the communication data transmitted between the target base station and the base station to be calibrated based on the UWB transmission channel in the UWB positioning system, and calculating the base station distance between the target base station and the base station to be calibrated according to the time and the data transmission rate; A target base station and a base station to be calibrateare obtained in a coordinate system with a current position environment as a reference, and calculating the coordinate distance between the real coordinate value of the target base station and the base station to be calibrated based on the azimuth angle of the reference coordinate system, and adjusting the real coordinate value to be calibrated according to the relationship between the coordinatedistance and the distance of the base station and the azimuth angle. By adopting the invention, the coordinate value of the base station to be calibrated measured manually is adjusted according to theaccurate distance between the target base station and the base station to be calibrated through accurately calibrating the coordinates of the target base station, the calibration precision of the base station can be improved, and the accuracy of the UWB positioning system can be further improved.

The invention discloses a preparation method of refractory high-entropy alloy powder, which is composed of four or more elements of titanium, vanadium, chromium, zirconium, niobium, molybdenum, tantalum and tungsten in equivalent ratio or near equivalent ratio. According to the invention, ball milling mixing and discharging plasma sintering technologies are used, a solid phase diffusion reaction is carried out at a lower temperature to achieve the alloying process between the refractory metals with high melting points, the process for heating and melting the alloy elements is avoided, the preparation of the refractory high-entropy alloy powder at lower temperature is achieved; meanwhile, the disadvantages of long time of mechanical alloying process and low efficiency are avoided. The preparation method of the refractory high-entropy alloy powder has the advantages of high efficiency and low cost.

The present invention integrates a large selection of calling card-like features into one user friendly package. What is disclosed is a system and process for enabling PSTN-network enabled mobile communication devices to connect to international, domestic and Internet-based parties. The present invention permits voice calls all over the globe, and it takes advantage of the growing Internet-based voice communication protocols, including instant messaging services and voice over Internet protocol services. The present invention integrates with or can operate independent of the mobile device's pre-existing contact directory. The present invention can also automate voice connections between mobile phone users and VoIP-enabled messaging clients. By creating and implementing a novel software application on the mobile communication device that automates user authentication, billing and connection to other parties, the present invention provides a low-cost high-technology alternative to pre-existing wireless telephony services.

Provided are a paraelectric thin film structure and a high frequency tunable device with the paraelectric thin film structure. The paraelectric thin film structure has a large dielectric constant tuning rate and a low dielectric loss at a high frequency. The paraelectric thin film structure includes a perovskite ABO3 type paraelectric film formed on an oxide single crystal substrate. The paraelectric film is formed of a material selected from Ba(Zrx,Ti1-x)O3, Ba(Hfy,Ti1-y)O3, or Ba(Snz,Ti1-z)O3. Instead of the paraelectric film, the paraelectric thin film structure may include a compositionally graded paraelectric film having at least two paraelectric films formed of the selected material by varying the composition ratio x, y, or z. A high-frequency / phase tunable device employing the paraelectric thin film structure can have improved microwave characteristics and high-speed, low-power-consuming, low-cost characteristics.

The invention discloses a solid or liquid medicinal composition for non-gastrointestinal administration. The medicinal composition contains 1-deoxynojirimycin component and / or pharmaceutically acceptable salt thereof, and the 1-deoxynojirimycin component and / or the pharmaceutically acceptable salt thereof and a pharmaceutically acceptable carrier or excipient are prepared into the medicinal composition for non-gastrointestinal administration together. The medicinal composition for non-gastrointestinal administration can be injection, pills, sublingual tablets, oral patches, buccal tablets, respiratory inhalation aerosol, powder for inhalation, suppository and capsules for rectums and transdermal preparations. The medicinal composition can be used for preventing and / or treating virus infection of mammals comprising human in a non-gastrointestinal administration mode, and the composition has good broad-spectrum antivirus effect and high safety.

A MEMS module package includes a substrate, a cap capped on the substrate and defining with the substrate an accommodation chamber, a micro-electromechanical chip mounted on the substrate within the accommodation chamber, a plurality of passive components mounted on the substrate within the accommodation chamber and electrically connected to the micro-electromechanical chip.

The invention provides a method and system for generating an article, and belongs to the technical field of house information processing. The method comprises the steps of obtaining different categorylabels of a house, indexing house metadata and part of the category labels in the different category labels, and forming house resource data through the indexed house metadata and labels; creating anarticle generation rule and an execution rule, selecting a part of category labels from the different category labels, forming label combinations, activating the execution rule according to the execution rule; and determining house resource data corresponding to the labels in the label combination, taking the house resource data corresponding to the labels in the label combination as a data source of the article generation rule, and generating an article at least having part of the house resource data in the data source according to the article generation rule having the data source. The method and the device are used for efficiently generating the article with the house information associated with the user demands in batches.

The invention discloses a forming device of metal ions via passing through deposition and bilateral constraint. The forming device consists of an outer mold, grinding material particles, a grinding wheel base body or inner mold, an electroplating bath, an electroplating liquid, a power supply, a control system of the power supply and an electroplating metal material, wherein the grinding wheel body or inner mold is placed in the outer mold; an inner space is formed by the inner surface of the outer mold and the outer surface of the grinding wheel base body or inner mold; the electroplating metal material is arranged outside the outer mold and connected with the anode of the power supply; the grinding wheel base body or inner mold is connected with the cathode of the power supply; and the grinding wheel base body or inner mold is integrally connected with the outer mold through a clamp. After electrification, the metal cations on the electroplating metal material swim through the electroplating liquid and pass through the micro pores on the outer mold to reach the outer surface of the grinding wheel base body or inner mold under the action of an electric field, so as to attach a metal electroplating layer on the grinding wheel base body or inner mold. The invention also discloses a forming method of metal ions via passing through deposition and bilateral constraint, and the method comprises eight steps. The forming device and method have practical value in the electroplating and abrasive machining fields.

A worktable used in a table saw is disclosed to include a main worktable plate made of iron and having a first opening, and a relatively smaller reinforcing plate made of iron and bonded to the bottom side of the main worktable plate to hold the cutting mechanism of the table saw at the bottom side and having a second opening in vertical alignment with the first opening for the passing of the saw blade of the cutting mechanism.

The present invention is directed to providing an electronic tag data acquisition system to solve at least one problem in a prior art solution. The electronic tag data acquisition system includes an electronic tag, an RFID reader, an RFID server, a Zig Bee routing node and an embedded data acquisition node based on Zig Bee. An electronic tag data acquisition method includes the steps of controlling the RFID reader to read data of the electronic tag in readable range of the RFID reader to obtain RFID data, and sending RFID data to embedded data acquisition node controlling the embedded data acquisition node to receive and preprocess the RFID data sent by the RFID reader and sending the preprocessed RFID data to the Zig Bee routing node; controlling the Zig Bee routing node to receive the pre-processed RFID data and sending the pre-processed RFID data to the RFID server for processing. The technical beneficial effects: compared with the prior art, the invention enables the cost of data transmission to be reduced.

The invention provides a method and system for detecting contactor adhesion, which belong to the technical field of vehicle batteries. The method comprises the steps that what is determined is that contactor adhesion exists in one of a first contactor branch and a second contactor branch, wherein the first contactor branch is connected with a power battery and a load branch in series to form a power supply loop in the working state, and the second contactor branch is connected with the first contactor branch in parallel relative to the power supply loop, and the resistance of the second contactor branch is different from that of the first contactor branch; and the load branch is driven to enter a load working state, then circuit parameter changes of the first contactor branch or the secondcontactor branch are obtained, and contactor adhesion is determined to exist in the first contactor branch or contactor adhesion is determined to exist in the second contactor branch through the circuit parameter changes. The method is used for quickly, efficiently and conveniently determining the adhesion working condition of the contactor.

The present invention discloses an oven with a spray device, comprising: a main body, a heating chamber used for heating food disposed inside the main body, a spray device used for spraying the vapor into the heating chamber is set on the main body. The spray device comprising: a water tank, a piston, a electromagnetic valve, a spray. unit By controlling of the electromagnetic valve, the spray device can automatically humidify the food.

The invention relates to an OCS (Optical carrier suppression) octamonic optical millimeter wave generation device which comprises a laser, a radio frequency source, an amplifier and a single-arm driven mach-zehnder modulator. The laser is used for generating a continuous optical carrier signal with a designated wavelength and inputting the continuous optical carrier signal to an optical input end of the single-arm driven mach-zehnder modulator; the radio frequency source is connected with an input end of the amplifier to generate a sine wave signal with a certain frequency; an output end of the amplifier is connected with a radio frequency input end of the single-arm driven mach-zehnder modulator to amplify the sine wave signal; and the single-arm driven mach-zehnder modulator modulates the sine wave signal onto an optical carrier and generates an optical millimeter wave of which a frequency is octupled relative to a radio frequency signal. The OCS octamonic optical millimeter wave generation device disclosed by the invention has the characteristics of high reliability and low cost and is simple and flexible in structure.

The invention discloses a forming device of metal ions via passing through deposition and bilateral constraint. The forming device consists of an outer mold, grinding material particles, a grinding wheel base body or inner mold, an electroplating bath, an electroplating liquid, a power supply, a control system of the power supply and an electroplating metal material, wherein the grinding wheel body or inner mold is placed in the outer mold; an inner space is formed by the inner surface of the outer mold and the outer surface of the grinding wheel base body or inner mold; the electroplating metal material is arranged outside the outer mold and connected with the anode of the power supply; the grinding wheel base body or inner mold is connected with the cathode of the power supply; and the grinding wheel base body or inner mold is integrally connected with the outer mold through a clamp. After electrification, the metal cations on the electroplating metal material swim through the electroplating liquid and pass through the micro pores on the outer mold to reach the outer surface of the grinding wheel base body or inner mold under the action of an electric field, so as to attach a metal electroplating layer on the grinding wheel base body or inner mold. The invention also discloses a forming method of metal ions via passing through deposition and bilateral constraint, and the method comprises eight steps. The forming device and method have practical value in the electroplating and abrasive machining fields.

According to the present invention, the amount of usage of a heat conductive member for fixing a self-luminous flat display panel to a metallic chassis member disposed at the back of the display panel is reduced in the thickness direction as well as in the surface direction. The invention further provides a technique for efficiently radiating heat from the display panel, suppressing cost increase. To this end, in the invention, the heat conductive member is a hot-melt adhesive having adhesion at room temperature and filled with a heat conduction imparting agent, and the display panel is fixed to the chassis member by a plurality of heat conducting sections of the heat conductive member formed discretely ranging from 0.3 to 0.8 mm in thickness.

The invention discloses modified nylon 6 / thermoplastic polyurethane composite. The composite comprises, in parts by weight, 85-95 parts of nylon 6, 5-15 parts of thermoplastic polyurethane, 1-5 parts of EBA-g-MAH (ethylene-butyl acrylate-grafted maleic anhydride), 0.6-0.8 parts of a lubricating agent, 0.2-0.3 parts of an antioxidant, 0.3-0.5 parts of a plasticizer and 0.2-0.3 parts of a coloring agent. The invention provides a preparation method of the composite. Firstly, a grafted product, namely, EBA-g-MAH, is prepared, nylon 6, thermoplastic polyurethane, EBA-g-MAH, the lubricating agent, the antioxidant, the plasticizer and the coloring agent are uniformly mixed in a mass ratio, the mixture is extruded and granulated through a twin-screw extruder and subjected to injection molding through an injection molding machine, and the compatibilizer EBA-g-MAH modified nylon 6 / thermoplastic polyurethane composite is obtained. The composite has the characteristics of excellent mechanical performance, good processibility and low cost.

A hinge structure (1 ) for self-closing doors or the like comprises a first stationary element (2) attachable to the frame (T) of a door (P), a first movable element (3) securable to the door (P) and pivotally mounted to the first stationary element (2) for rotating about a longitudinal axis (X) between an open door position and a closed door position. The structure (1 ) further comprises closing means (4) acting on the first movable element (3) for automatically returning the door (P) to the closed position during opening, hydraulic damping means (5) operating on the first movable element (3) to oppose and damp the movement produced by the closing means (4), The closing means (4) and the hydraulic damping means (5) are housed within a first operating chamber (6) locate internally of the first stationary element (2). An assembly incorporates such hinge structure.

The invention provides a method for constructing an authentication system, which belongs to the technical field of application service authentication. The method includes: configuring hardware data on an authentication device and configuring an authentication service with a verification function of the hardware data to serve the authentication device; isolating the authentication network of the authentication device from the authentication network of the authentication device The application network of the application service that interacts with the authorization service, the verification function of the hardware data is used in the authentication network to obtain the authentication service in the execution state and pass the authentication device corresponding to the authentication service in the execution state constitute an authentication system. The authentication system of the present invention does not need to modify the application server and application network, and the hardware cost and deployment cost are low. The authentication system of the present invention has high security, high availability, and completeness and consistency relative to pre-configuration conditions.

The invention belongs to the field of lithium ion batteries, and in particular relates to a nickel-manganese-titanium composite material and a preparation method and application thereof. The nickel-manganese-titanium composite material includes an inner core and a cladding layer covering the surface of the inner core. The inner core is composed of nickel-manganese-titanium oxide, and the three elements of nickel, manganese and titanium are distributed in a gradient in the inner core. The content of manganese and manganese gradually decreases from the inside to the outside along the radial direction of the core, and the content of titanium gradually increases from the inside to the outside along the radial direction of the core, and the composition of the cladding layer is lithium titanate. The lithium-ion battery corresponding to the nickel-manganese-titanium composite material provided by the invention has higher capacity and cycle stability.

The invention provides a composite joint, a liquid cooling device and power supply equipment and relates to the technical field of joint connection. The composite joint is applied to a liquid coolingdevice comprising a liquid cooling flat tube and a liquid cooling circular tube. The composite joint comprises a plastic joint and a metal joint, wherein one end of the plastic joint is connected withthe liquid cooling flat tube; one end of the metal joint is connected with one end, far away from the liquid cooling flat tube, of the plastic joint, and the other end of the metal joint is connectedwith the liquid cooling circular tube; and the plastic joint and the metal joint are molded into one body through injection molding, so that the plastic joint and the metal joint are fixedly connected. By virtue of arrangement of the composite joint, the problem that the liquid cooling device is inconvenient to use in the prior art can be solved.

According to the present invention, the amount of usage of a heat conductive member for fixing a self-luminous flat display panel to a metallic chassis member disposed at the back of the display panel is reduced in the thickness direction as well as in the surface direction. The invention further provides a technique for efficiently radiating heat from the displaypanel, suppressing cost increase. To this end, in the invention, the heat conductive member is a hot-melt adhesive having adhesion at room temperature and filled with a heat conduction imparting agent, and the display panel is fixed to the chassis member by a plurality of heat conducting sections of the heat conductive member formed discretely ranging from 0.3 to 0.8 mm in thickness.

The parallel diphase full-wave brushless DC motor comprises a first and second drive element, a first and second induction element, and a first and second coil; wherein, the first drive element connects to the first induction element and coil, and controls the first current conducting direction of first coil by Hall signal from first induction element to make first coil generate full-wave excitation; so does the second drive element to induction element and coil; the first drive element parallels with the second drive element to parallel the first and second coil for synchronous excitation. Thereby, this invention can increase motor rated power, has little volume and low cost.

The invention is concerned with the synthesis automatization preservation technology that can achieve to find the structure change of the power supply network, which can be use for the circuitry synthesis preservation, protect for power pilfering and destroy power establishment, such as breaking line, grounding, short circuit, insulation reduce, touch badness, biological invasion etc..

The invention discloses an optical module component packaging structure with a refrigerator. The device comprises a heat dissipation cylinder body, a sealing cover body and an optical cable access cylinder body; a circle of heat dissipation fence is arranged on the outer wall of the heat dissipation cylinder body; a refrigerator long strip body is embedded in the inner wall; the cooling surface ofthe refrigerator long strip body is in sliding fit with a micro heat pipe through a U-shaped groove; a laser emitting head is erected at the evaporation end of the micro heat pipe and fixedly connected with a laser generator boss, and the middle of the micro heat pipe is fixedly connected with a concentric-square-shaped heat insulation frame and a supporting sliding rod; a laser generator boss, aconcentric-square-shaped heat insulation frame body, a first lens frame, an isolator cylinder body and a second lens frame are sequentially erected on the supporting sliding rod, and the supporting sliding rod is connected with the optical cable access cylinder body and an optical cable body in a clamped mode. The invention further provides a corresponding packaging process. According to the invention, a sealed rapid heat dissipation packaging structure is realized, the dustproof and waterproof functions are better, the structure is simple and clear, and the characteristics of simple structure and low cost of the existing coaxial packaging and the rapid heat dissipation characteristic of butterfly packaging are integrated at the same time.

The invention provides a guanidine hydrochloride-containing hydrophilic chain extender monomer, wherein the structural general formula is shown in the specification, where R represents alkyl with 1-15hydrogen atoms or carbon atoms, m is an integer between 0 and 15, n is an integer between 0 and 15, and r is an integer between 1 and 20. The invention also discloses a preparation method of the hydrophilic chain extender monomer. The invention further provides a guanidine hydrochloride-containing waterborne fluorinated polyurethane nano emulsion and a preparation method, wherein the preparationmethod comprises the following steps: preparing an antibacterial hydrophilic chain extender through a reaction between guanidine hydrochloride and dihydroxyl-containing carboxylic acids; introducing the antibacterial hydrophilic chain extender into a waterborne polyurethane preparation system to obtain a waterborne fluorinated polyurethane emulsion; finally, under the action of a water-soluble persulfate catalyst, introducing an acrylic fluorine-containing monomer to obtain a waterborne fluorinated polyurethane nano emulsion with particle size of 25-70nm. The preparation method provided by theinvention is simple and environment-friendly and suitable for industrial production.

The invention discloses a wireless power cloudization method and system based on a large-scale antenna array and relates to the technical field of wireless communication. The method comprises the steps that an idle energy factor is established and a calculation formula of the idle energy factors of antennas in the large-scale antenna array is defined; the antennas in the large-scale antenna arrayupload state information to a cloud server; the cloud server calculates the idle energy factor of each antenna according to the state information and selects and adds the appointed number of antennasto an antenna resource pool; the cloud server dynamically selects the antennas capable of being occupied according to a scheduling algorithm based on the idle energy factors; and the antennas capableof being occupied are registered in the cloud server, the cloud server allocates power resources to the registered antennas according to use demands until the antennas are used completely, and then the power resources are released. According to the method and the system, the cloudization of a wireless network power domain is realized, and the contradiction between the continuous increase of the number of various kinds of business and the shortage of non-renewable resources in a network is effectively solved.