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116results about How to "Increase coupling area" patented technology

Capacitive cross coupling flying bar and coaxial cavity resonator thereof

The invention discloses a capacitive cross coupling flying bar and a coaxial cavity resonator thereof, and relates to a cavity filter in the microwave communication field. The coupling flying bar is of a centre-symmetrical strip sectional material structure, wherein, the center of the coupling flying bar is equipped with a cylindrical fine-adjusting coupling hole; two ends of the coupling flying bar are respectively equipped with a coupling disk with an annular surface; and two sides of the fine-adjusting coupling hole are respectively equipped with a cylindrical screw fastening hole. The capacitive cross coupling flying bar has the advantages that the flying bar is a new sectional material structural form and is made by cutting a sectional material, wherein, the utilization ratio of the material is high and the machining process is simple, thus facilitating large-scale production; the coupling surfaces of the flying bar are the annular surfaces parallel to the cylindrical surfaces of resonant columns, and the coupling area is large and the distance is consistent, which can realize strong cross coupling by increasing the coupling area in the case of slightly long distance and ensure that a high-power signal can smoothly pass; and coupling coefficients are finely adjusted by a fine-adjusting coupling screw, which solves the problem of offset of the coupling coefficients caused by machining and assembly accuracy and ensures debugging consistency.
Owner:WUHAN HONGXIN TELECOMM TECH CO LTD

Cylindrical-turnplate permanent magnet speed controller

ActiveCN101841224AAchieve complete no-load startRealize the purpose of speed regulation and energy savingAsynchronous induction clutches/brakesElectrical conductorCoupling
The invention relates to a cylindrical-turnplate permanent magnet speed controller, which comprises a first shaft and a second shaft; the first shaft is provided with a common-bottom double-cylinder steel turnplate, and an inner conductor cylinder and an outer conductor cylinder which are opposite to each other are arranged in an inner cylinder and an outer cylinder; the second shaft is provided with an additional shaft, a bushing and a permanent magnet turnplate, the bushing is connected with the additional shaft through splines, the permanent magnet turnplate is a single cylinder, and is made of nonferromagnetic material, the cylinder is provided with a circle of permanent magnets, the polar directions of which are perpendicular to the axial line of the turnplate, neighboring magnets are heterospolarly mounted, and the cylinder is arranged between the inner and the outer conductor cylinders; and an adjusting mechanism which comprises an inner round sleeve and an outer round sleeve is arranged outside the additional shaft and the bushing. Since the speed controller adopts cylindrical coupling to replace planar coupling, axial force does not exist, the coupled surface is large, moreover, the permanent magnet turnplate can axially move, the effective engaged parts of the permanent magnet turnplate and the conductor cylinders are changed, so that the torque transferred between the permanent magnet turnplate and the conductor cylinders can be changed, consequently, repeatable, regulatable and controllable output torque and rotation speed can be obtained, and energy can be saved in the process of speed regulation.
Owner:QINGDAO SPRING ENERGY TECH

Self-aligning wireless charging system

The invention provides a self-aligning wireless charging system. Under the condition that a transmitting coil directly faces a receiving coil, each protrusion directly faces a groove corresponding tothe protrusion; the receiving coil is arranged on a chassis of an electric car, a ring-shaped reflector of sensors is placed on the outer side of the receiving coil and used for reflecting optical signals sent out by the sensors, the transmitting coil is arranged on a cross-shaped sliding table, and the cross-shaped sliding table can be used for X-direction and Y-direction mixing movement; the four sensors are arranged on the transmitting coil; the four sensors are located on the outer sides of the points where the transmitting coil is crossed with the X-axis direction and the Y-axis direction; the bottom of the cross-shaped sliding table is connected with the upper surface of a lifting platform which is installed on the ground of a parking lot, and the cross-shaped sliding table can be driven by a driving motor to go up and down. By means of the self-aligning wireless charging system, the defects in the prior art that the magnetic line parts of the transmitting coil and the receivingcoil at a gap are lost in vain, so that the wireless charging efficiency and speed are reduced, and the transmitting coil and the receiving coil are not aligned to a device.
Owner:江苏傲能科技有限公司

Cylindrical rotating plate permanent magnet coupler

The invention discloses a cylindrical rotating plate permanent magnet coupler which comprises a first shaft and a second shaft. The first shaft and the second shaft are coaxial. The first shaft is provided with a permanent magnet rotating plate provided with an inner layer cylinder, an outer layer cylinder and a carrying magnet. The inner layer cylinder and the outer layer cylinder are arranged inside and outside the permanent magnet rotating plate in the diameter direction of the rotating plate in a corresponding mode. The carrying magnet is arranged between the inner layer cylinder and the outer layer cylinder and provided with a circle of permanent magnets. The polar direction of the permanent magnets is perpendicular to the axis of the permanent magnet rotating plate. Every two adjacent magnets are installed in a hetero-polar mode. The second shaft is provided with a conductor rotating plate provided with at least one conductor cylinder. The conductor cylinders are arranged in the gap between the inner layer cylinder and the carrying magnet and the gap between the outer layer cylinder and the carrying magnet. Transmission of different kinds of torque is achieved by adjusting the coupling area between rotors, the purposes of isolating vibration, reducing the speed and saving the energy are achieved, installing and debugging are easy, axial moving of a certain degree is allowed, torque transmission between the two parts can be achieved, and the purposes of isolating vibration, reducing the speed and saving the energy are achieved.
Owner:QINGDAO SPRING ENERGY TECH

Split-gate type flash memory structure and manufacturing method thereof

The invention discloses a split-gate type flash memory structure and a manufacturing method of the split-gate type flash memory structure. The split-gate type flash memory structure comprises two split-gate units which are arranged in an abreast mode. Each split-gate unit comprises a gate electrode oxide layer, a floating gate layer, a control gate electrode oxide layer and a control gate electrode layer, wherein each gate electrode oxide layer, each floating gate layer, each control gate electrode oxide layer and each control gate electrode layer are arranged in a stacked mode in sequence. Each split-gate unit is integrally covered with oxide, and an oxide side wall is formed. The size of each floating gate layer is the same as the size of each control gate layer in the direction of abreast arrangement of the two split-gate units. A selection wire polycrystalline silicon area is arranged between the two split-gate units. A polycrystalline silicon connecting area and an oxide isolating area are formed on the oxide side wall on the outer side of each split-gate unit in a stacked mode, and the outer side of each split-gate unit is the other side, opposite to each selection wire polycrystalline silicon area, of each split-gate unit. Each polycrystalline silicon connecting area is flush with the upper surface of each floating gate layer. A polycrystalline silicon word line is formed on the outer side of each polycrystalline silicon connecting area and each oxide isolating area, wherein each polycrystalline silicon connecting area and each oxide isolating area are arranged in the stacked mode.
Owner:SHANGHAI HUAHONG GRACE SEMICON MFG CORP

Touch display apparatus and fabrication method therefor

Embodiments of the invention disclose a touch display apparatus and a fabrication method therefor. The touch display apparatus comprises a display substrate, a first touch electrode layer, a second touch electrode layer, an upper polarizer and a cover plate, wherein the display substrate comprises an array substrate and a color filter substrate that are arranged oppositely, and a liquid crystal layer sandwiched between the array substrate and the color filter substrate; the first touch electrode layer is located on a second surface, far away from the array substrate, of the color filter substrate; the first touch electrode layer comprises a plurality of first electrodes extending in a first direction; the upper polarizer is located at the upper part of the first touch electrode layer; the cover plate is located at the upper part of the upper polarizer and has an upper surface and a lower surface opposite to the upper surface; the second touch electrode layer is located on the lower surface, facing to the upper polarizer, of the cover plate; and the second touch electrode layer comprises a plurality of second electrodes extending in a second direction. According to the touch display apparatus and the fabrication method therefor, the touch display apparatus is simple to fabricate and the product yield can be increased.
Owner:KUSN INFOVISION OPTOELECTRONICS

Annular hollow offset-focus laser cladding device

The invention discloses an annular hollow offset-focus laser cladding device, and relates to the technical field of laser processing. The annular hollow offset-focus laser cladding device comprises a shell, a conical reflector, an annular off-axis parabolic focus lens, a nozzle and a powder spraying pipe, the top of the shell is provided with a light inlet, the conical reflector is arranged in the shell, and the conical reflector is arranged facing the light inlet; the annular off-axis parabolic focus lens and the conical reflector are oppositely and coaxially arranged; and the nozzle is installed below the conical reflector, the lower end of the nozzle is connected with the powder spraying pipe, the powder spraying pipe is coaxial with annular hollow offset-focus light formed after reflection of the annular off-axis parabolic focus lens, and a collimation protection gas sleeve is arranged on the periphery of the powder spraying pipe. The annular off-axis parabolic focus lens is used for horizontally shifting the focusing focus of the maternal parabola. According to the annular hollow offset-focus laser cladding device, the homogenization of the energy density of an annular light spot is realized, the coupling effect of a laser beam and powder is improved, the utilization rate of the metal powder is improved, and the cladding quality and appearance are improved.
Owner:SUZHOU UNIV

Side-coupled dual-channel optical waveguide transmission system for photonic crystal

A side-coupled dual-channel optical waveguide transmission system for a photonic crystal relates to a microstructural photonic crystal element in the field of optical technology, and solves the problem of large scattering resulting from high roughness of the existing photonic crystal waveguide. An efficient coupling structure for the photonic crystal waveguide and a traditional optical device or an external light source is provided. The system comprises a waveguide layer, a low refractive index buried layer and a substrate layer, wherein the waveguide layer is arranged at the upper part of the low refractive index buried layer, the lower part of the low refractive index buried layer is connected with the substrate layer; a mode that multiple photonic crystal resonant cavities are connected in parallel is adopted, electromagnetic waves are coupled in a photonic crystal waveguide defect area by a coupling area of a waveguide area II, and the coupling efficiency is high; and as the upper parts of the photonic crystal resonant cavities, corresponding to point defects, are distributed with coupling medium columns, the coupling efficiency is further improved. The whole photonic crystal waveguide is integrated on one substrate without external optical elements, so that a photonic crystal waveguide structure is more compact, is smaller in size and is higher in the integration degree.
Owner:CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI

Packaging bag with radio frequency identification capability and its manufacturing method

InactiveCN102295095ASolve the real problemWith radio frequency identification capabilityBagsSacksRadio frequencyTransmission performance
The invention discloses a packaging bag with radio frequency identification capability and a manufacturing method thereof. The packaging bag includes a bag body, at least including a metal layer, an insulating layer and a bonding layer, and the outer surface of the metal layer is covered on the inner surface of the insulating layer. Above, the inner side of the metal layer is draped on the outer side of the bonding layer, and the corresponding edges of the bonding layer are sealed to form a bag body, and an accommodation space is formed in the bag body, and the metal layer is positioned adjacent to the edge of the bag body Open the first slit, the configuration of the first slit makes the metal layer as the slot antenna; two conductive films, the second slit is maintained between the two conductive films, and the two conductive films are fixed on the outer side of the insulating layer corresponding to the position of the first slit; radio frequency The size of the identification chip is smaller than the conductive film, and the two corresponding side pins of the radio frequency identification chip are fixed on the two conductive films. The invention uses the metal layer in the bag as the slot antenna of the radio frequency identification chip, saves the design and material cost of the traditional non-radio frequency identification tag, and can maintain good transmission performance at the same time.
Owner:TAIWAN LAMINATION INDS

Resonant-coupling two-way transmission photon crystal waveguide and manufacturing method thereof

A resonant-coupling two-way transmission photon crystal waveguide and a manufacturing method thereof relate to a micro-structure photonic crystal component in the optical technology field. The invention provides the coupling waveguide and the manufacturing method which can realize high efficient coupling between the photonic crystal waveguide and a traditional optical element or an external light source. According to the invention, a mode that a plurality of photonic-crystal resonant cavities are parallel to each other is used. Through a coupled zone of a waveguide second area, an electromagnetic wave is coupled into a photonic crystal waveguide defect area so as to achieve a purpose of increasing a coupling area. Coupling efficiency is high. Simultaneously, because of the increasing of the coupling area, convenience can be provided for operations, such as prefocusing before the coupling, alignment and the like. Because coupling medium columns are distributed on a position of an upper portion of the photonic-crystal resonant cavity, the coupling efficiency can be further increased, wherein the position corresponds with the position of a point defect. Besides, the whole photonic crystal waveguide is integrated on a same substrate. The external optical element is not needed so that the photonic crystal waveguide structure is compact, a volume is small and an integration level is high.
Owner:CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI
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