59 results about "Micro/Micro" patented technology

This invention relates to a method for controlling capacity and voltage at the DC side uniformly of bridge-H cascade active power filter, which first of all takes the harmonic current, passive current needed to be compensated by the power net and load system as the compensation current required by the filter, takes the sum of the expected compensation current and fundamental wave positive sequence active current absorbed from the net as the APF reference current to get the APF inverter desired output voltage via a current following controller to drive the APF output current to follow the reference current, computes the micro-tune volume of the output voltage of the cascade unit, carries out micro-micro adjustment to the expected output voltage by the balance controller based on the cascade unit capacitance and voltage deviation and the APF output current to adjust the charge and discharge time of the unit floating capacitance to further realize the balance control of the floated capacitance and voltage takes the adjusted expected output voltage as the reference one of said unit to be modulated in pulse width to get trigger signals of the cascaded bridge-H power device to drive the primary circuit power device.

The invention discloses a method, a system and a device for realizing handoff in a micro-micro cellular communication system. The method comprises the following steps: configuring parameters and neighboring cell information on each base station in a base station controller BSC, wherein the neighboring cell information includes corresponding information of a logic cell to which a base station belongs; if a target cell selected by a BSC handoff decision is a micro-micro base station of the BSC and the frequency point and the color code of the micro-micro base station are matched with those of other neighboring cells, changing the target cell into the logic cell to which the base station belongs by the BSC; and when the BSC executing cut-in is informed of the fact that the target cell to be cut into is the logic cell in the cut-in process, instructing a mobile phone to hand off to a common handoff channel of the logic cell, and after an actually accessed micro-micro base station is known, performing the subsequent cut-in operation. The method, the system and the device can support macro-micro handoff, micro-micro handoff and micro-macro handoff simultaneously.

The invention discloses a multimode multiband radio-frequency onboard micro-micro cellular communication system based on software defined radio, which comprises a receiving module, a local oscillator module, a transmitting module and a control module. The radio-frequency micro-micro cellular communication system can support multiple working bands and working modes: 800-1000 MHz (GMSK (Gaussian Minimum Shift Keying) / CDMA (Code Division Multiple Access) 1X), 2.412-2.472 GHz, and 5.0-5.8 GHz (QPSK (Quadrature Phase Shift Keying) / QAM (Quadrature Amplitude Modulation) 16 / OFDM (Orthogonal FrequencyDivision Multiplexing)-QAM 64). In particular environments, such as aircraft flight and the like, the radio-frequency micro-micro cellular communication system can support different radio network services: GSM (Global System for Mobile Communications) (935-960 MHz / 890-915 MHz), CDMA (824-849 MHz / 869-894 MHz), 802.11b / g (WLAN (Wireless Local Area Network) 2.412-2.472 GHz) and 802.11a (WLAN 5.0-5.8GHz) communication systems. The channel bandwidth varies as the operation mode varies. The maximum bandwidth can reach 20 MHz, the maximum radio-frequency output power is 20 dBm, and the noise factorof the receiving machine is less than 9 dB.

The invention relates to an MEMS micro-lens driven by three piezoelectric cantilever beams and a manufacturing method thereof and belongs to the technical field of piezoelectric MEMS appliance designs and integrated manufacturing. The MEMS micro-lens comprises a micro-reflecting mirror surface, the piezoelectric cantilever beams and arched bent elastic narrow beams, wherein each of the piezoelectric cantilever beams is formed by fixing a PZT driving membrane with more than 2 mu m thickness on the surface of a silicon cantilever beam; the three piezoelectric cantilever beams are connected with the micro-lens micro-reflecting mirror surface through three arched bent elastic narrow beams respectively; and the piezoelectric cantilever beams are distributed in a way that an included angle of 120 degrees is formed between every two piezoelectric cantilever beams. The manufacturing method comprises the following steps of: firstly, preparing a piezoelectric thick membrane on a substrate and etching piezoelectric cantilever beam patterns on the piezoelectric thick membrane; secondly, preparing a Au / Cr two-layer metal top electrode and a micro micro-reflecting mirror surface pattern on the PZT piezoelectric thick membrane; and finally, etching a Si substrate on the front and back faces so as to form the MEMS micro-lens driven by the three piezoelectric cantilever beams. The MEMS micro-lens has the advantages of many deflecting directions, strong driving force of the PZT thick membrane and low optical loss. The manufacturing process is compatible with the MEMS process, so that the MEMS micro-lens has the potential of mass production and can be widely applied in the field of optical communication.

The present invention provides a micro-animation effect viewing method and device, wherein the method includes: reading the XML configuration file of the micro-animation; the XML configuration file includes attributes used to describe the micro-animation scene to be formed and the attributes of each element in the micro-animation scene Label; analyze the XML configuration file, use the attribute value of each label analyzed to assign values ​​to the variables of the objects corresponding to each label in the pre-established data model; use the preset micro-animation code that matches the operating system Obtain the value of the variable of the object in the data model; load the micro-animation code after obtaining the value of the variable of the object in the data model, so that the micro-animation scene and the micro-animation scene are formed in the processing device of various elements. The method and device provided by the invention enable editors to conveniently browse the micro-animation application software effects on the preset operating system, simplify the debugging process, improve the software development efficiency, and reduce the time required for software development.

The invention belongs to the technical field of wireless communication, and discloses an interference management method based on interference regeneration in a wireless communication system. transmitters share channel state information and data information, and the transmitter corresponding to an interfered receiver builds an interference regeneration signal according to the information; the transmitter corresponding to the interfered receiver sends the interference regeneration signal, the interfered receiver performs matching and filtering on a mixed signal formed by interference and the interference regeneration signal, and expected data is regenerated from the interference. The method has the advantages that the interference is converted into the expected signal, and the spectrum efficiency of the interfered receiver is improved by using the interference energy, and can be used for solving the interference problem in wireless communication; an IRC signal used for regenerating the interference is built at a micro-micro base station PBS by using a relative expression relationship between data symbols, and the expected signal of PUE is regenerated from the interference after filtering by using the mutual effect between wireless signals.

The invention discloses a preparation method of transparent paper and belongs to the fields of nano / micro micro-structure materials and preparation technology thereof. The transparent paper is a fiber material, which is composed of nano / micro wood fiber materials and is higher than 70% in transparence degree. The preparation method includes the following steps: 1) processing a wood material into wood chips or wood powder; mixing the wood chips or wood powder with a sodium hypochlorite solution at certain temperature to perform a reaction for a certain time to remove the lignin in the wood material; 2) washing the reaction product with water for several times to remove residual sodium hypochlorite, and removing most of water from the cleaned pulp material; 3) placing the pulp material in a pressing machine, performing pressure maintenance under certain pressure for a period to remove the rest of water to obtain the transparent paper. The method is suitable for various types of wood materials, is low in cost, is abundant in source of materials, is easy to carry out, is environment-friendly and high-yield, is free of complex equipment and devices, and allows large-scale quick production.

The invention discloses a calling / switching-in receiving method of GSM micro-micro base stations / micro-micro-micro base stations. The method comprises the following steps: configuring a plurality of micro-micro base stations / micro-micro-micro base stations configured by adopting the same frequency in a BSC side into a logical subdistrict, distributing a subdistrict identification for the logical subdistrict, storing a mapping relation between the logical subdistrict identification and the physical identification of the micro-micro base stations / micro-micro-micro base stations in BSC, and carrying out the interaction of signals and information by using the logical subdistrict identification in the communication of the BSC and a service support node of MSC and GPRS, i.e. the MSC and SGSN do not need to know about the mapping relation between the logical subdistrict identification and the actual physical identification of the micro-micro base stations / micro-micro-micro base stations, thereby the problem of logical subdistrict management when the micro-micro base stations / micro-micro-micro base stations are applied in large scale in a network is solved.

The invention discloses a microwave low-band ultra-micro micro-strip diplexer. A circuit composition of the microwave low-band ultra-micro micro-strip diplexer comprises three micro-strip band-pass filters and two 3dB quadrature bridges, one end of a first filter is connected with an input / output interface of a first bridge, the pass-band frequency of the first filter is different from those of a second filter and a third filter, the pass-band frequencies of the second filter and the third filter are same, and the second filter and the third filter are parallelly connected between coupling ends and straight-through ends of the first bridge and a second bridge. The micro-strip diplexer is formed by the micro-strip band-pass filters with good selectivity and the 3dB quadrature bridges with functions of signal decomposition, synthesis and reflection. The micro-strip diplexer has good input / output standing wave ratio, circuits are easy to be in cascade connection with pre-stage and post-stage circuits, ultra-fine micro-strip thin-film technology is adopted, and the circuits have good consistency, compact structure and small volume, thereby ensuring that the microwave low-band ultra-micro micro-strip diplexer has high selectivity and high integration level and is widely applied to the technical field of communication.

The invention discloses a call transfer method for the telephone to call the Bluetooth earphone, the method includes following steps: the gateway receives the application information that the honeycomb telephone applies to join in the micro-micro network, and the honeycomb telephone informs the gateway its number; the gateway adds the honeycomb telephone into the terminal list and registers the telephone to the mount telephone network; when the mount telephone calls the honeycomb telephone, the mounting telephone knows the mobile phone has jointed the gateway according to the registered information, and the mount telephone calls the gateway; the gateway informs the terminal to ring the bell; the gateway uses HCI 'Read_RSSI' commands defined in the Bluetooth standard to read the signal intensity instructing value, when the value is lower that the preset threshold, or the gateway uses standard HCI commands 'Get_Link_Quality' to acquire a link quality information with one type, and the value is lower than the preset threshold, or the gateway telephone judges if there has chain break even of the honeycomb telephone in the HCI event, the gateway considers that the honeycomb telephone leaves the micro-micro network of the gateway; the gateway sends information to mount telephone network to cancel the call transfer registered by the honeycomb telephone. When the honeycomb telephone and gateway have the functions, the call is transmitted through the mount telephone network, not through the mobile network, thus the user needn't to endure the interference and fading of signal, the conversation quality can upgraded. And it uses the honeycomb telephone to receive the call, reduces the charge of using mount telephone to receive the call, so it is free.

The invention discloses a system and a method for determining usable frequency of a micro-micro base station and a relevant device, which aims to solve the problem that the usable frequency can not be determined when the micro-micro base station is in a roaming state. The system comprises a micro-micro base station; a first micro-micro gateway in a hometown network subordinate to the micro-micro base station and a second micro-micro gateway at a visiting place of the micro-micro base station, wherein the micro-micro base station is used for obtaining a network address distributed to the micro-micro base station and transmitting authentication information containing the network address distributed to the micro-micro base station to the first micro-micro gateway according to the stored network address of the first micro-micro gateway; the first micro-micro gateway is used for determining the second micro-micro gateway visited by the micro-micro base station at present according to the network address contained in the authentication information when the roaming state of the micro-micro base station is determined, requesting the usable frequency at the visiting place to the second micro-micro gateway and transmitting the requested usable frequency to the micro-micro base station; and the second micro-micro gateway is used for transmitting the usable frequency at the visiting place to the first micro-micro gateway.

The invention provides a micro-porous polyester film containing an aromatic chain segment. The micro-porous polyester film is provided with surface holes with the diameter of 10-10000nm, and the sum of areas of like holes is 20% or above of the total surface area of the film. The micro-porous polyester film containing an aromatic chain segment is a dense and uniform micro-porous film provided with nano-micro micro-pores, has the characteristics of simple and fast processing method, no poisonous or harmful solvents, and environmental protection, and can be applied in the fields of health nursing, medical treatment, building, water treatment and electronic products.

The invention discloses a portable miniature micro-curved suction cup type fixing seat, which comprises a suction cup adsorption mechanism, an electromagnet locking mechanism, an air pressure detection and stabilizing device and a fixing and guiding mechanism. Threads are processed on the inner side of the shell on the fixing seat, so that the micro repair equipment can be fixed on the fixing seat. The suction cup in the suction cup adsorption mechanism is composed of a suction cup and a universal joint. When the skin is a curved surface, the universal joint rotates to ensure the complete fit of the suction cup and the curved surface. After the suction cup is adsorbed on the skin, the air pressure and the detection device Working, it can detect whether the air pressure in the shell reaches the design value. The air pressure detection and stabilization device is installed at the vent hole. When the solenoid valve is not energized, the air circuit is normally open. When working, if the air pressure in the shell is lower than the design value, the air in the shell is drawn out of the shell. When the air pressure in the shell reaches When the set value is set, the solenoid valve is energized, the air circuit remains normally closed, and the solenoid locking mechanism works. When the electromagnet locking mechanism is working, the electromagnet is energized to generate magnetism, which attracts the magnet on the lever, thereby driving the lever to rotate, and the clamping block tightens the support rod. After the work of the sucker-type fixing seat is completed, the electromagnet is powered off, the solenoid valve is powered on, the gas enters the shell cavity through the solenoid valve, and the support rod is reset to complete a working cycle. The beneficial effect of the invention is that a portable micro-curved surface fixing base is provided for the miniature restoration equipment, and the restoration accuracy of the miniature restoration equipment is improved.

The embodiments of the invention disclose a double-connection communication system and method. The method comprises the steps of selecting part of radio resources of a micro base station as empty resources of a virtual macro base station; sending, by a virtual macro base station controller, control plane data to a user terminal using the empty resources via a physical transceiver arranged in the micro base station and serving the virtual macro base station, to establish a communication channel between the virtual macro base station controller and the user terminal, and providing services for the user terminal by the micro base station on the service plane, thereby realizing a double-connection network communication scheme under the micro-micro networking scene to solve the problems of radio network interference and frequent switching between the micro base stations and promote the network performance.

The miniature generator type cigarette lighter has the same purpose as the cigarette lighter invented by myself. The cigarette lighter of the original invention uses batteries as the energy source, and waste batteries pollute the surface soil. The present invention overcomes the above-mentioned defects, and changes the cigarette lighter from a battery as an energy source to the electric energy generated by the micro-generator through the action of spring energy to ignite the cigarette. It is composed of a casing, an electric heating tube, a speed change gear set, a spring, and the main parts of a micro generator. The method of driving the micro-generator to generate electricity can also be used to form the micro-generator type cigarette lighter by means of a manual rack.

The invention discloses an ultra-micro micro-beam-tube type optical cable. The ultra-micro micro-beam-tube type optical cable comprises optical fiber beams (5) which are formed by one or a plurality of optical fibers, a loose sleeve pipe (3), a reinforced packing layer (2) and an external protective sleeve (1); the optical fiber beams (5) are arranged on the internal side of the loose sleeve pipe (3); fiber paste (4) is filled between the optical fiber beams which are arranged inside the loose sleeve pipe (3); the reinforced packing layer (2) wraps the external side of the loose sleeve pipe (3); the external protective sleeve (1) is arranged at the outermost layer of the reinforced packing layer (2). The ultra-micro micro-beam-tube type optical cable is small in occupation space and the wiring arrangement number of optical cable during the wiring arrangement is increased due to the fact that the diameter of the external protective sleeve is not more than 2.3 mm, meanwhile low in price due to the fact that the reinforced layer is weaved by high intensity glass fibers, meanwhile provided with rat proof and anti-thunder performances and easy to be paved due to the fact that the external diameter is small.

The utility model relates to a stator-embedded electromagnetic levitation rotor micro-motor, which belongs to the technical field of micro-electro-mechanical systems. In the present invention, both the upper stator and the lower stator are arranged on the intermediate base, and form a fixed connection with the intermediate base, the box-shaped micro-rotor is in the shape of a hollow circular box, and the box-shaped micro-rotor is under the electromagnetic force of the upper stator and the lower stator It is stably suspended on the outer edge of the intermediate base. There are eight rotating coils distributed on the intermediate base. They are divided into two groups of four-phase coils. When high-frequency alternating current passes through the rotating coils, the current phase difference of adjacent coils is 90 degrees, so that , A rotating magnetic field is formed in the space where the box-shaped micro-rotor is located, and the box-shaped micro-rotor generates a rotating torque under the action of the rotating magnetic field to make it rotate at a high speed. The present invention adopts a box-shaped micro-rotor and a built-in stator structure, which can increase the suspension stiffness and lateral stability stiffness of the suspended micro-rotor, and at the same time, the intermediate base can limit the position of the micro-rotor when the box-shaped micro-rotor is not working .

The invention designs a heat exchanger provided with micro micro-channel metal circular pipes for an air cooled air conditioner. The heat exchanger comprises an inlet pipe, an outlet pipe and a heat exchange mechanism, wherein the inlet pipe is connected with the outlet pipe through the heat exchange mechanism. The heat exchanger is characterized in that the heat exchange mechanism is constructed by crossly weaving the micro micro-channel metal circular pipes and metal wires; the micro micro-channel metal circular pipes are radial lines with the two ends being connected with the inlet pipe and the outlet pipe and the inner diameters being 0.1-0.4 millimeter; the metal wires are weft lines, and are connected with the micro micro-channel metal circular pipes by welding. The entire heat exchanger is constructed by taking the micro micro-channel metal circular pipes as a major heat exchange mechanism and taking the metal wires as support frameworks.

The invention provides a portable container capable of containing various makeup toners, relating to the field of articles for daily life. Women are fond of carrying various makeup toners when going out, and a small container capable of simultaneously containing various makeup toners is not available at present. The invention aims at providing the portable container capable of containing various makeup toners. To realize the purpose, the following scheme is adopted: the portable container comprises a micro-pulling drawer I, a micro-pulling drawer II, micro-pulling drawer threads, a light-color lipstick and a dark-color lipstick, wherein a main body component of a storage barrel is composed of the micro-pulling drawer I and the micro-pulling drawer II, the outer diameter of the micro-pulling drawer I is slightly smaller than that of the micro-pulling drawer II, the micro-pulling drawer I and the micro-pulling drawer II are connected by the micro-pulling drawer threads, while the left hand holds the micro-pulling drawer I, the right hands pulls the micro-pulling drawer II towards the left direction, and then the relative distance between the micro-pulling drawer I and the micro-pulling drawer II is shortened gradually. The portable container has the advantage of portability.

The invention discloses a motor based on direct piezoelectric impact rotation. It includes the outer ring, the L-shaped elastic rotor and the piezoelectric stack stacked on the inner side of the L-shaped elastic rotor; the serrations at the two ends of the L-shaped elastic rotor are due to the direct piezoelectric impact energy and the cogging of the entire inner circle of the outer ring Mesh rotation. Compared with the traveling wave motor, which transmits the piezoelectric vibration wave from the stator membrane and relies on friction to push the rotor to move, the present invention adopts the direct piezoelectric vibration transposition method. Obviously, the rotational movement of the direct piezoelectric impact is beneficial to improve the torque of the motor; in addition, when the L-shaped elastic rotor of the present invention rotates, there is no friction with the outer ring, and the two ends of the L-shaped elastic rotor match the shape of the outer ring. The possibility of sliding between the fixed end and the outer ring is eliminated, and these designs greatly improve the service life of the motor. The invention can be widely used in the fields of consumer electronics, micro-electromechanical equipment, micro-medical devices and micro-robots.

The invention provides an induction preparation process for an electric field with a dry adhesion type two-level structure. The induction preparation process comprises the following steps of: at first, preparing an induction template; secondly, selecting and processing a base material; thirdly, curing a polymer material by using UV (Ultra Violet) light through induction of the electric field for rheological forming; and finally, curing and de-molding the polymer material cured by the UV light, so as to obtain a crystal structure, namely a micro-micro or micro-nanometer two-level structure. The process provided by the invention can be widely applied to aspects of a conveyor belt, a mechanical arm, a micro-sucker and the like.

The invention provides a traceability method for thermal noise calibration method of elastic constant of atomic force microscope micro-cantilever. Interval division of beam elastic constant range, micro-cantilever physical benchmark, traceability experimental method, calculation formula of traceability correction factor, and calculation formula of thermal noise method for calibrating any micro-cantilever elastic constant on atomic force microscope. The effect of the present invention is to realize the traceability between the value of the thermal noise method and the international unit SI for calibrating the elastic constant of the micro-cantilever on the atomic force microscope, and ensure the calibration of the elastic constant of the micro-cantilever on the atomic force microscope and the accuracy of force value measurement, Thus, different laboratories use the atomic force microscope to perform data uniformity, reliability and comparability when calibrating micro-cantilever beam elastic constants, micro-force measurement or micro-force loading experiments.

The invention discloses a calling / switching-in receiving method of GSM micro-micro base stations / micro-micro-micro base stations. The method comprises the following steps: configuring a plurality of micro-micro base stations / micro-micro-micro base stations configured by adopting the same frequency in a BSC side into a logical subdistrict, distributing a subdistrict identification for the logical subdistrict, storing a mapping relation between the logical subdistrict identification and the physical identification of the micro-micro base stations / micro-micro-micro base stations in BSC, and carrying out the interaction of signals and information by using the logical subdistrict identification in the communication of the BSC and a service support node of MSC and GPRS, i.e. the MSC and SGSN donot need to know about the mapping relation between the logical subdistrict identification and the actual physical identification of the micro-micro base stations / micro-micro-micro base stations, thereby the problem of logical subdistrict management when the micro-micro base stations / micro-micro-micro base stations are applied in large scale in a network is solved.

The invention relates to an intelligent full-automatic micro-drawing machine, which includes a chassis, a wire mechanism, an oil supply mechanism, a wire inlet mechanism, a micro-pull mechanism, an outlet mechanism and a driving mechanism; the wire mechanism includes a guide plate and a guide groove, and the copper wire is arranged on the In the guide groove; the wire inlet mechanism is arranged on one side of the cabinet along the width direction, and the wire outlet mechanism is arranged on the other side of the cabinet along the width direction. The micro-pull mechanism includes a micro-pull unit and a micro-pull control unit. The first micro-pull unit and the second micro-pull unit, the micro-pull control unit includes a level sensor, a speed detection module, a judgment module, a feedback module and a control module; the driving mechanism is arranged in the chassis for driving the micro-pull The main shaft of the mechanism rotates. The invention has good reliability and high intelligence, and can monitor the running speed of the copper wire in each micro-drawing unit in real time, so as to ensure the uniform running of the copper wire, ensure the uniform micro-drawing of the copper wire, and finally ensure the high micro-drawing of the copper wire. quality.

The invention discloses a micro-motion flexible positioning and locking mechanism, which is used for the positioning and locking of micro parts in micro assembly. The positioning and locking mechanism is composed of three parts: an elastic positioning and locking component (1), a jacking bolt (2) and a fixing bolt (3) for positioning the micro-movement flexible positioning and locking mechanism with the turntable base (4); The positioning locking part (1) is composed of a V-shaped top block (A), an elastic connection block (B), a force transmission block (C), a fixed block (D), a flexible arm (E) and a bolt hole (F); V The top block (A) is connected with the assembled micro parts (5); the fixed block (D) is distributed on both sides of the force transmission block in a wing shape, and has four bolt holes (F); the flexible arm (E) is connected to the force transmission block. block (C) and fixed block (D). The effect and benefit of the present invention are integrated design, simple structure and one-time molding during processing. The V-shaped top block design makes the force more uniform. The leaf spring structure of the elastic connection block improves the assembly accuracy.

The present invention relates to the technical field of medical devices, in particular to a device for interventional treatment of tumors, which includes a needle handle and a needle body, a support platform is arranged on the top of the needle body, and a miniature air cylinder is arranged on the left side of the bottom surface of the support platform. The cylinder shaft of the cylinder passes through the left side of the support platform, and a cylinder shaft perforation is arranged at the shaft end of the cylinder shaft; a micro motor is arranged on the right side of the bottom surface of the support platform, and the micro motor drives the micro cylinder to move; the support platform The right side is provided with an inner cavity, and the inner cavity is provided with a miniature battery pack, which is connected to the micro motor and the miniature cylinder through a wire; a transverse perforation is set on the needle handle, and the transverse perforation is connected to the cylinder shaft on the cylinder shaft. The shaft perforation is on the same level; a pin is inserted into the cylinder shaft perforation at the shaft end of the cylinder shaft, and the pin is inserted through the transverse perforation on the needle handle; it has the advantages of simple structure, convenient operation, high degree of automation, and great The work efficiency is greatly improved, and the life safety of the staff is ensured.