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51results about How to "Reduce the chance of interference" patented technology
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Temporomandibular joint movement reconstruction method and system thereof
ActiveCN106875432AIncreased means of diagnosisImprove accuracyImage enhancementImage analysisHuman bodyTemporomandibular Joint Diseases
The invention provides a temporomandibular joint movement reconstruction method and a system thereof. The method is characterized by collecting an image sequence of a mark point track of open and close mouth mandible movements of a photographed person; determining three-dimensional coordinates of all the mark points on an intraoral fixed mark device in each frame of image, acquiring a movement track of each mark point in a space, and collecting a CBCT image of the intraoral fixed mark device and collecting a CBCT image of the photographed person; registering the mark point of the CBCT image of the intraoral fixed mark device with the mark point acquired by a camera through photographing, and acquiring a transformation matrix of a mark point movement; and using the transformation matrix to carry out rigid body transformation on the CBCT image of the photographed person, acquiring a CBCT image sequence of the photographed person and acquiring a temporomandibular movement image. In the invention, real movement conditions of mandible condyle process and a temporal bone joint surface of a human-body temporomandibular joint can be acquired, the method and the system can be used for auxiliary diagnosis of a temporomandibular joint disease and dynamic analysis of joint motion, temporomandibular joint diagnosis means are increased, doctor diagnosis accuracy and efficiency can be increased, and medical quality and efficiency can be increased too.
Owner:南京市图研医疗科技有限公司
3D (three-dimensional) display device
ActiveCN104570370AReduce the chance of interferenceDecrease the tilt angleSteroscopic systemsOptical elementsGratingDisplay device
The embodiment of the invention provides a 3D (three-dimensional) display device and belongs to the technical field of displaying. The moire pattern phenomenon of the 3D display device is reduced compared with that of a glass-free 3D display device in the process of displaying. The 3D display device comprises a display panel and an optical grating; the display panel comprises a plurality of first display units and a plurality of second display units; each first display unit comprises m sub-pixels, and each second display unit comprises m sub-pixels, wherein the sub-pixels are arranged along the direction Y; the optical grating comprises a plurality of optical structures which are arranged in parallel; preset included angles are formed between the optical structures and the direction X of the display panel.
Owner:BOE TECH GRP CO LTD
Method, device and use for distributing pilot frequency channel time frequency source of multiple carrier communication system
ActiveCN101005471AReduce the chance of interferenceImprove performanceMulti-frequency code systemsCommunications systemEngineering
The method comprises: with a calculation in general finite field- GF (pm), one pseudo random sequence generates multi sequences in which there are multi orthogonal sequences composing a sequence set; each sequence in the sequence set generates a time-frequency pattern of pilot frequency channel; the generated time-frequency patterns are allocated to different cells, or the time-frequency resources of pilot frequency channel are allocated by users. By the invention, the interference of neighboring cells to the pilot frequency channel can be reduced.
Owner:HUAWEI TECH CO LTD
Table-based encryption/decryption techniques for gaming networks, and gaming networks incorporating the same
InactiveUS20090067629A1Reduce chanceReduce the chance of interferenceSecret communicationSecuring communicationData streamProgram logic
The exemplary embodiments described herein relate to a light-weight encryption / decryption technique for peripherals (e.g., gaming machines, overhead displays, a jackpot controllers, etc.) attached to gaming networks. In certain exemplary embodiments, a peripheral device for use in a networked gaming environment is provided. A network interface is configured to send and receive at least one data stream, with each said data stream including at least a data block and a predetermined portion to be used in key generation. An encrypt table includes an index of random numbers in a predetermined range, with the encrypt table size and the range of the random numbers being set in dependence on the predetermined portion of the data stream. A decrypt table is provided, with the decrypt table being the inverse of the encrypt table. Key generating programmed logic circuitry is configured to generate a key in dependence on the predetermined portion of the data stream. Encrypting programmed logic circuitry is configured to generate an encrypted data stream by encrypting a data block of an unencrypted data stream for encrypted transmission via the network interface in dependence on the key and the encrypt table. Decrypting programmed logic circuitry is configured to generate a decrypted data stream by decrypting a data block of an encrypted data stream received by the network interface in dependence on the key and the decrypt table.
Owner:PALTRONICS INC
Transaction risk prevention system and method
InactiveCN107481004AImprove accuracyReduce chance of interferenceProtocol authorisationRisk preventionTransaction processing
The invention provides a transaction risk prevention system and method. The system comprises a front server which is used for receiving transaction request information and forwarding the transaction request information to a cutoff gateway and a risk monitoring device; the cutoff gateway which is used for forwarding the transaction request information to a core host and receiving the feedback transaction result information and forwarding the transaction result information to a transaction data analysis device; the core host which is used for processing transaction, feeding back the transaction result information to the cutoff gateway and providing the detailed transaction data to the risk monitoring device; the transaction data analysis device which is used for analyzing and repackaging the transaction result information and providing the processed transaction result information to the risk monitoring device; and the risk monitoring device which is used for performing risk judgment according to the transaction request information in the transaction process and emitting risk prompt when the judgment result indicates the risk and performing risk judgment according to the transaction result information and the detailed transaction data after completion of transaction and emitting risk prompt when the judgment result indicates the risk.
Owner:INDUSTRIAL AND COMMERCIAL BANK OF CHINA
Lobe pump rotor
ActiveCN103486041AReduce mesh pointsReduced chance of rotor profile interferenceRotary piston pumpsRotary piston liquid enginesPhysicsMesh point
The invention relates to a lobe pump, and in particular relates to a lobe pump rotor. The lobe pump rotor comprises a body, wherein the body is of two-leaf-type, body molded lines comprise a first circular arc segment, a conjugate curve segment, an involute segment, a second circular arc segment and a third circular arc segment which are arranged in sequence, and the first circular arc segment, the conjugate curve segment, the involute segment, the second circular arc segment and the third circular arc segment are in smooth connection. According to the lobe pump rotor, by arranging the involute segment and the second circular arc segment, meshing points are greatly reduced, so that the interference probability of the rotor molded lines is greatly reduced, the rotor cannot be stuck, and processing and assembly are easier.
Owner:伯仲(山东)工业设备有限公司
Track and wheeled combination swing arm type diamond-type walking device
InactiveCN101214832ASmall turning radiusImprove steering flexibilityEndless track vehiclesVehicle frameSteering system
The invention discloses a swing arm type diamond walking device of combining a track and a wheel. The device comprises a diamond vehicle frame, a front wheel, a rear wheel and two track moving devices positioned on the vehicle frame. The front wheel and the back wheel are positioned respectively on the front side and the rear side of the vehicle frame via a suspension bracket. The two track moving devices are positioned respectively at the left side and the right side of the vehicle frame via the suspension bracket of the track moving devices. A steering system is positioned in the front wheel and the rear wheel respectively. The invention relates to the swing arm type diamond walking device of combining a track and a wheel with simple and compact structure, low cost, being suitable for operation under various severe environments, wide application and good stability.
Owner:HUNAN UNIV
System for measuring thermal performance transiently by using pulsing method or constant current method
InactiveCN102608154AQuick measurementRealize measurementMaterial heat developmentFast measurementThermal diffusion coefficient
The invention discloses a system for measuring thermal performance transiently by using a pulsing method or a constant current method, which comprises an adjustable direct-current stabilized current supply, a heating measuring device, a temperature collecting module and a central processing unit, wherein the adjustable direct-current stabilized current supply is used for supplying power to the heating measuring device and the temperature collecting module, the heating measuring device internally comprises a main testing piece (3), an auxiliary testing piece (1) and an auxiliary testing piece (2), the auxiliary testing piece (1) is arranged at the bottom, and a plane heat source is arranged between the main testing piece (3) and the auxiliary testing piece (1). The system can realize fast measurement for the thermal performance of a material by calculating the thermal diffusion coefficient and the heat conductivity of the material to be measured through adopting an exact solution of a one-dimensional semi-infinite heat transfer model and collecting temperature changing data of a heat surface and a cold surface at the right moment. A novel automatic measuring instrument is researched and manufactured for detecting the thermal performances of various solid plates.
Owner:陈昭栋
Real-time clock synchronous error-correcting method for charge-controlled intelligent electric energy meter
ActiveCN104635196AEnhance clock anti-interference abilityReliable functionElectrical measurementsMicrocomputerMicrocontroller
The invention discloses a real-time clock synchronous error-correcting method for a charge-controlled intelligent electric energy meter, and relates to the technical field of electric energy metering instruments. The real-time clock synchronous error-correcting method comprises the following steps of creating an internal clock in a single chip microcomputer, and defining an array for storing an external clock; performing initial setting on the internal clock after the electric energy meter is electrified and started; generating a second signal through a timer, and adding one second onto the internal clock per second; whenever ten seconds are added onto the internal clock, sequentially performing check operation on the external clock and the internal clock, and performing corresponding synchronous error-correcting treatment on the abnormal clock. The real-time clock synchronous error-correcting method for the charge-controlled intelligent electric energy meter has the advantages that the anti-interference capability of the clock can be enhanced, the accuracy of the real-time clock in the electric energy meter is effectively guaranteed, and the effects of stability and reliability are achieved.
Owner:武汉阿迪克电子股份有限公司
Electric connector and manufacturing method thereof
InactiveCN101154782ANot crushedReduce the chance of interferenceContact member manufacturingContact member assembly/disassemblyElectricityEngineering
The invention discloses an electric connector and a method for manufacturing the same, wherein, by the electric connector, a wafer pattern assembly is in electric connection with a printed circuit board. The electric connector comprises an insulation body provided with a terminal receiving groove, a plurality of conducting terminals received in the terminal receiving groove and a base arranged on the insulation body; the insulation body and the base are not combined as a whole, which contributes to prevention of interference between tin balls and the insulation body when the tin balls are implanted in the conducting terminals and protecting the conducting terminals from being crushed.
Owner:FOXCONN (KUNSHAN) COMPUTER CONNECTOR CO LTD +1
Fingerprint identification terminal equipment
PendingCN110414467ADoes not affect display picture qualityReduce light leakageCharacter and pattern recognitionNon-linear opticsGlass coverLiquid-crystal display
The invention discloses fingerprint identification terminal equipment, which comprises a glass cover plate, an LCD (Liquid Crystal Display) panel, a backlight module, a fingerprint identification sensor and an infrared transparent shading layer. The glass cover plate, the LCD panel, the backlight module and the fingerprint identification sensor are sequentially laminated from top to bottom. The glass cover plate is provided with a non-display area and a fingerprint pressing area, and the non-display area and the fingerprint pressing area are provided with a first overlapping area. The infraredtransparent shading layer corresponds to the fingerprint identification sensor, so that an infrared light channel is formed. A biological fingerprint infrared signal penetrates through the first overlapping region and the infrared transparent shading layer and is collected and identified by the fingerprint identification sensor. In-screen fingerprint recognition function recognition of the fingerprint recognition terminal equipment is achieved. Meanwhile, the display image quality of the fingerprint recognition terminal equipment is not affected.
Owner:SHENZHEN LONGLI TECH CO LTD
Three-branched chain parallel external fixation device adopting annular adjustment
ActiveCN109745107ALarge working spaceReduce collisionExternal osteosynthesisEngineeringBone deformity
The invention relates to a three-branched chain parallel external fixation device adopting annular adjustment. The three-branched chain parallel external fixation device comprises a near end ring, a far end ring, a hook joint, a spherical hinge, telescopic branched chains, annular guide rails, adjusting hand wheels, adjusting knobs, kirschner wires and a locking wire chucks. Through kirschner wires, the near end ring and the far end ring of the external fixation device are perpendicularly and rigidly fixed to a deformable bone separately, the annular guide rails are arranged on the near end ring and the far end ring respectively, the adjusting hand wheels are connected with sliding blocks on the annular guide rails, the adjusting knobs are installed on the telescopic branched chains, through the adjusting hand wheels and the adjusting knobs, the sliding blocks move around the annular guide rails, meanwhile, the telescopic branched chains extend or retract, and therefore the three-branched parallel external fixation device realizes 6-DOF movement and can correct any spatial three-dimensional bone deformity. The three-branched chain design is adopted, the annular guide rails are arranged, a 3-PUPS parallel structure is formed, and the three-branched chain parallel external fixation device has the advantages of being simple in structure, large in work space and flexible to operate, being provided with a few movement chains, and not being interfered easily.
Owner:BEIJING UNIV OF TECH
Three-link-parallel-connection external fixator for tibia malformation correction
The invention provides a three-link-parallel-connection external fixator for tibia malformation correction. The three-link-parallel-connection external fixator comprises a proximal ring, a distal ring, a proximal-ring connection base, hooke hinges, three adjustment branch links, first adjustment assemblies, second adjustment assemblies, kirschner wires and kirschner wire clamps. The proximal ringand the distal ring of the external fixator are perpendicularly fixed to the deformed tibia through the kirschner wires respectively. The adjustment branch links are composed of the first adjustment assemblies and the second adjustment assemblies, and the first adjustment assemblies and the second adjustment assemblies are provided with adjustment nuts, the adjustment branch links can be extendedor shortened by rotating the first adjustment nut and the second adjustment nut, the distal ring can conduct spatial 6-DOF movement relative to the proximal ring accordingly, and any-space three-dimensional bone malformation can be corrected. According to the three-link-parallel-connection external fixator, three-link design is adopted to form a 3-PUPU parallel connection structure with 6-DOF, andthe three-link-parallel-connection external fixator has the advantages of being simple in structure, small in motion branch link number, large in working space, convenient to operate and not prone tobranch link interference.
Owner:BEIJING UNIV OF TECH
Refrigeration tool with door hinge assembly
ActiveCN103836873AReduce difficultyReduce the chance of interferenceLighting and heating apparatusHingesEngineeringRefrigeration
The invention relates to a refrigeration tool. The refrigeration tool (100) comprises a body (101), a door (102) and a hinge assembly (1), the door (102) and the body (101) are connected through the hinge assembly (1), the hinge assembly (1) comprises a hinge frame (2), a hinge shaft (8) and a regulating part (3), one end of the hinge frame (2) is fixed to the body (101), the hinge shaft (8) is connected to the hinge frame (2) and limits a rotating axis (X) of the door (102), and the regulating part (3) is used for regulating the height of the door (12) relative to the body (101). According to the scheme, the refrigeration tool further comprises an ejector part (4), the hinge shaft (8) is sleeved with the ejector part (4) which is connected with the regulating part (3) in a threaded mode, and the regulating part (3) can rotate in the first direction and drive the ejector part (4) to move upwards along the hinge shaft (8) and support the door (102) to move upwards.
Owner:BSH ELECTRICAL APPLIANCES JIANGSU
Display panel, method of manufacturing the same, and display device
InactiveCN109148730AImprove light extraction efficiencyReduce regularitySolid-state devicesSemiconductor/solid-state device manufacturingDisplay deviceEngineering
The invention provides a display panel and a manufacturing method thereof, and a display device belongs to the technical field of display. The display panel includes a reflective electrode layer laminated on a substrate, an organic light emitting layer for reflecting light irradiated on a surface of the reflective electrode layer remote from the substrate, and a transparent electrode layer for transmitting light irradiated on the transparent electrode layer. Wherein the surface of the reflective electrode layer remote from the substrate is in a concave-convex shape. The invention improves thelight emitting efficiency of the display panel. The present invention is used to display images.
Owner:BOE TECH GRP CO LTD
Stereoscopic planting method
InactiveCN107094523AAlleviate technical problems of inefficient use of sunlightImprove shadingClimate change adaptationGreenhouse cultivationSunlightAgroforestry
The invention discloses a stereoscopic planting method, relates to the technical field of stereoscopic planting, and aims at alleviating the technical problems that plants cannot efficiently utilizes the sunlight with a conventional stereoscopic planting frame under the condition of a constant plant arrangement density because the sunlight illumination degree changes with time and plants shade each other. The stereoscopic planting method disclosed by the invention comprises step (a) adjusting the direction of planting frames according to the movement locus of the sun in the usage environment; step (b) adjusting the distance of two adjacent planting frames according to the height of to-be-planted plants; step (c) planting the plants into planting grooves, and putting the planting grooves on the planting frames; and step (d) turning on a driving apparatus. The stereoscopic planting method is mainly applied to stereoscopic planting.
Owner:谢宝山
Display panel and display device
ActiveCN112786812AImprove dispersionImprove the big screen role deviation problemSolid-state devicesSemiconductor/solid-state device manufacturingEngineeringMaterials science
The embodiment of the invention provides a display panel and a display device. The display panel includes: a substrate; a metal part positioned on the substrate; and a plurality of light-emitting elements located on the side, away from the substrate, of the metal part, wherein each light-emitting element comprises a first electrode, a light-emitting layer and a second electrode which are sequentially stacked in the light emitting direction of the display panel, and the orthographic projection of the metal part on the substrate covers the orthographic projection of the first electrodes and the light-emitting layers on the substrate. According to the embodiment of the invention, the first electrodes have a relatively flat surface, so that the probability of mutual interference between ambient light reflected by the first electrodes is reduced, the dispersion phenomenon of the display panel in a dark state can be improved, and the appearance quality is improved; and meanwhile, the relatively flat first electrodes can also reduce the color difference of pixel light-emitting area colors at different viewing angles, the large-viewing-angle color cast problem of the display panel is improved, and the display effect is improved.
Owner:HUBEI YANGTZE IND INNOVAION CENT OF ADVANCED DISPLAY CO LTD
Composite material fan blade front edge metal reinforced edge two-kind blank processing dual-purpose clamp
ActiveCN108466079APrevent deviationReduce the chance of interferencePositioning apparatusMetal-working holdersSystem transformationEngineering
The invention discloses a composite material fan blade front edge metal reinforced edge two-kind blank processing dual-purpose clamp. The clamp includes a hexahedron base. The top surface of the baseis provided with a square groove passing through the left and right side surfaces. The square groove forms a placing opening on the top surface of the base. The opening is used to place a square billet process base of a to-be-clamped reinforcing edge, or a die forging workblank process base. The front side surface of the base, close to the left side surface, is provided with a coordinate system transformation block. The front side surface of the coordinate system transformation block is a first plane. The front side surface of the base, close to the right side surface, is vertically provided with a second plane which has an included angle [phi] with the inner wall of the square groove. The first plane and the second plane are in a same plane. The position of the right side surface of the base, close to the front side surface, is vertically provided with a third plane which is vertical to the second plane. The first plane, the second plane, the third plane, and the bottom surface of thesquare groove are reference surface in die forging workblank processing. The right side surface of the base, the bottom surface of the square groove, and the inner side surface of the square groove are reference surfaces in square billet processing. The clamp fills a void in the prior art of lacking a composite material fan blade front edge metal reinforced edge square billet and die forging workblank dual-purpose clamp.
Owner:NORTHWESTERN POLYTECHNICAL UNIV
Electronic device
PendingCN110414466ARealize in-screen fingerprint recognition function recognitionDoes not affect display picture qualityPrint image acquisitionNon-linear opticsGlass coverImaging quality
The invention discloses electronic equipment. The electronic equipment comprises a glass cover plate, an LCD panel, a backlight module and a fingerprint identification sensor which are sequentially laminated from top to bottom. The glass cover plate is provided with a non-display area and a fingerprint identification area. The non-display area and the fingerprint identification area are partiallyoverlapped. An infrared transparent shading layer is arranged in the area, corresponding to the non-display area, of the backlight module. The infrared light can penetrate through the infrared transparent shading layer, but the visible light is shielded by the infrared transparent shading layer. Therefore, the fingerprint recognition sensor collects biological fingerprint infrared signals penetrating through the glass cover plate and the backlight module and conducts fingerprint recognition. In-screen fingerprint recognition function recognition of the electronic equipment is achieved. Meanwhile, the display image quality of the electronic equipment is not affected.
Owner:SHENZHEN LONGLI TECH CO LTD
Application of twin arc-cold wire hybrid welding method
InactiveCN105817750AIncreased weld deposition rateStrong penetrating powerElectrode supporting devicesElectrode accessoriesIsoetes triquetraEngineering
The invention discloses application of a twin arc-cold wire hybrid welding method. Projection points of a cold wire conducting tube, a first guiding welding wire and a second guiding welding wire on the surface of a workpiece are three vertexes of an equilateral triangle, and in the welding direction, the cold wire conducting tube is arranged behind both the first guiding welding wire and the second guiding welding wire. As a cold wire is added into a twin arc, not only is the welding efficiency improved, but also the effects of stabilizing a molten pool and reducing heat input are achieved; and as the three wires are integrated into a welding gun which is the only one adopted for welding, the operation is simple and convenient, and application of the twin arc-cold wire hybrid welding method to gas shielded welding or submerged arc welding is realized.
Owner:TIANJIN UNIV
Real-time clock synchronization error correction method for fee-controlled smart energy meters
ActiveCN104635196BEnhance clock anti-interference abilityReliable functionElectrical measurementsMicrocontrollerArray data structure
A real-time clock synchronous error correction method for a cost-controlled intelligent electric energy meter, relating to the technical field of electric energy metering instruments, comprising the steps of: first creating an internal clock inside a single-chip microcomputer, and defining an array for storing external clocks; powering on the electric energy meter Initially set the internal clock after startup; then generate a second signal through the timer, and add 1 second to the internal clock every second; every time the internal clock is added for 10 seconds, the external clock and the internal clock are checked in turn , and perform corresponding synchronous error correction processing on the abnormal clock. The invention can enhance the anti-interference ability of the clock, effectively guarantee the accuracy of the real-time clock in the electric energy meter, and is stable and reliable.
Owner:武汉阿迪克电子股份有限公司
A logic level jump detection and width-adjustable narrow pulse generation circuit
PendingCN109743045AReduce the chance of interferenceImprove anti-interference abilityContinuous to patterned pulse manipulationCarrier signalVIT signals
The invention relates to a logic level jump detection and width-adjustable narrow pulse generation circuit, and belongs to the technical field of circuit design. By means of the logic level jump detection and width-adjustable narrow pulse generation circuit, the original logic level signals with different widths can be changed into narrow pulse signals with a certain pulse width period determinedaccording to logic level jump; the logic level change time is shortened, so that the high-frequency frequency of a carrier wave is as stable as possible, wireless power supply is better realized, theprobability of signal interference caused by mixing of a spike burr signal is greatly reduced, and the anti-interference performance of a wireless transmission signal is improved.
Owner:CHINA NORTH VEHICLE RES INST
Optical fiber distribution high-frequency intelligent double-output system
ActiveCN110601732AExtended output propagation distanceFlexible networkingMultiplex system selection arrangementsRadio transmissionElectricityAudio power amplifier
The invention relates to an optical fiber distribution high-frequency intelligent double-output system. The system comprises an optical division device access unit and an optical division device far-end unit; the optical division equipment access unit comprises a first multi-frequency combiner, a second multi-frequency combiner and a first electric / optical converter, and the optical division equipment far-end unit comprises a second electric / optical converter, first to sixth power amplifiers, a first bridge, a second bridge, a third multi-frequency combiner, a fourth multi-frequency combiner and a double-output adjusting switch. According to the invention, the optical division device far-end unit can be flexibly adjusted to cover different areas and MIMO modes according to actual demands;and moreover, the probability of generation of adjacent frequency interference and intermodulation interference is overcome, and the 3dB combination insertion loss of the D-band 2.6 GHz signal is reduced, so that the coverage range of the D-band 2.6 GHz signal is equivalent to the coverage range of the 800-2400 AMhz signal.
Owner:GUOMAI TECHNOLOGIES INC
Antenna with special-shaped radiator and equipment
InactiveCN111193105AOptimize layoutReduce the chance of interferenceRadiating elements structural formsAntennas earthing switches associationRadio frequencyMechanical engineering
The invention discloses an antenna with a special-shaped radiator. A long-strip-shaped clearance area is arranged on the base plate. The strip-shaped clearance area is arranged at the frame of the substrate. According to the invention, the grounding point and the feed point are arranged at one end, close to the center of the substrate, of the long-strip-shaped clearance area in the length direction; and because the length of the short end is short, based on the setting mode, the radio frequency module can be arranged close to the substrate frame connected with the short end, more complete space is reserved for other devices on the substrate, the layout of the other devices is facilitated, the radio frequency wiring is not U-shaped or U-shaped, the required radio frequency wiring is shorter, the probability of being interfered by other signal wiring or power supply wiring is reduced, and meanwhile, the insertion loss of the radio frequency wiring is also reduced. The invention further discloses equipment which has the same effect as the antenna.
Owner:HANGZHOU TUYA INFORMATION TECH CO LTD
Low-frequency band sound wave communication data transmission anti-interference coding algorithm
ActiveCN107592164AReduce bit error rateImprove transmission reliabilityError preventionSonic/ultrasonic/infrasonic transmissionInterference resistanceLow frequency band
The invention provides a low-frequency band sound wave communication data transmission anti-interference coding algorithm, comprising the steps of determining available coding frequency points: 1100HZ, 1200HZ, 1300HZ, 1400HZ, 1500HZ, 1600HZ,1700HZ, 1800HZ, 1900HZ, 2000HZ, 2100HZ, 2200HZ, 2300HZ, 2400HZ, 2500HZ, 2600HZ, 2700HZ, 2800HZ and 2900HZ, totally 19 frequency point resources, wherein everytwo coding frequency points are spaced by 100HZ; carrying out mixed coding through adoption of three coding frequency points according to the determined 19 frequency point resources, and fixing middlecoding frequency points as 1800HZ, 1900HZ and 2000HZ, wherein the same energy decibel value is employed for the three coded sound wave coding frequency points; and obtaining a specific coding combination value according to a coding rule. The transmission reliability under a relatively complex sound environment can be greatly improved, the probability of being interfered by the environment is reduced, the transmission accuracy is improved, the efficiency is improved, and the reliable and practical low-cost little data communication method is provided in an application with relatively cheap sound sending and receiving devices.
Owner:SHENZHEN ELINK SMART CO LTD
Rapid cleaning and nursing device for anorectal department
InactiveCN111956479AAvoid manual touch cleaningReduce the chance of interferenceBathing devicesGear wheelNursing care
The invention discloses a rapid cleaning and nursing device for the anorectal department. The rapid cleaning and nursing device comprises a main deck chair body, a cleaning assembly, a base and a drainage assembly, wherein the cleaning assembly is fixed to the outer wall of the top end of the main deck chair body; the cleaning assembly comprises a cleaning tank, a rotating tank, a first motor, a driving rotating shaft, driven rotating shafts, a cleaning roller, a gear and a water injection pipe; the cleaning tank is formed in the outer wall of the top end of the main deck chair body; the rotating tank is formed in the inner wall of one side of the cleaning tank; and the driving rotating shaft is rotatably connected to an inner wall located between the rotating tank and the cleaning tank. According to the invention, a cleaning device is adopted, so the anus can be automatically cleaned, and manual touch cleaning is avoided, so interference probability is reduced, safety effect is improved, and cleaning efficiency is improved; and a drainage device is further adopted, so sewage generated after cleaning can be automatically drained, cleaning by medical staff is avoided, the workload of the medical staff is reduced, and working efficiency is improved.
Owner:李永娟
Composite material fan blade leading edge metal reinforcement edge two kinds of blank processing dual-purpose fixture
ActiveCN108466079BPrevent deviationReduce the chance of interferencePositioning apparatusMetal-working holdersLeading edgeEngineering
Owner:NORTHWESTERN POLYTECHNICAL UNIV
Rotor and compressor
PendingCN109450159AReduce the chance of interferenceReduce security risksMechanical energy handlingEngineeringMechanical engineering
The invention relates to a rotor and a compressor. The rotor comprises a first iron core, a second iron core, a first balance block and a second balance block, wherein the second iron core and the first iron core are concentrically arranged and are same in outer diameter; the second iron core and the first iron core are connected in an axial direction of the rotor and are penetrated to form a crankshaft assembly hole; the first balance block and the second balance block are different in mass; a first containing hole is formed in a first axial end surface of the first iron core; the first containing hole concentrically surrounds the crankshaft assembling hole; the first balance block is at least partially contained in the first containing hole; the second balance block is assembled on a second axial end surface of the second iron core; and the first balance block and the second balance block are located on the two opposite sides of one diameter of the crankshaft assembly hole respectively. The first balance block is at least partially contained in the first containing hole, so that the probability of generating interference between the first balance block and a pump body of the compressor can be reduced, and potential safety hazards are reduced.
Owner:ZHUHAI GREE REFRIGERATION TECH CENT OF ENERGY SAVING & ENVIRONMENTAL PROTECTION
Roots pump rotor
ActiveCN103486041BReduce the chance of interferenceReduce reflux rateRotary piston pumpsRotary piston liquid enginesLobe pumpPoint counting
The invention relates to a lobe pump, and in particular relates to a lobe pump rotor. The lobe pump rotor comprises a body, wherein the body is of two-leaf-type, body molded lines comprise a first circular arc segment, a conjugate curve segment, an involute segment, a second circular arc segment and a third circular arc segment which are arranged in sequence, and the first circular arc segment, the conjugate curve segment, the involute segment, the second circular arc segment and the third circular arc segment are in smooth connection. According to the lobe pump rotor, by arranging the involute segment and the second circular arc segment, meshing points are greatly reduced, so that the interference probability of the rotor molded lines is greatly reduced, the rotor cannot be stuck, and processing and assembly are easier.
Owner:伯仲(山东)工业设备有限公司
An anti-interference coding method for low-frequency acoustic wave communication data transmission
ActiveCN107592164BLow costReduce bit error rateError preventionSonic/ultrasonic/infrasonic transmissionAnti jammingEncoding algorithm
The present invention provides an anti-interference encoding algorithm for low-frequency acoustic wave communication data transmission, including determining available encoding frequency points: 1100HZ, 1200HZ, 1300HZ, 1400HZ, 1500HZ, 1600HZ, 1700HZ, 1800HZ, 1900HZ, 2000HZ, 2100HZ, 2200HZ, 2300HZ, 2400HZ, 2500HZ, 2600HZ, 2700HZ, 2800HZ, 2900HZ a total of 19 frequency resources, the interval between each coding frequency point is 100HZ; according to the determined 19 frequency point resources, use three coding frequency point mixed coding, and fix the middle coding The frequency points are: 1800HZ, 1900HZ, 2000HZ; the three encoded sound wave encoding frequency points adopt the same energy decibel value; according to the encoding rules, the specific encoding combination value can be obtained, which can greatly improve the transmission reliability in a more complex sound environment and reduce the The probability of being disturbed by the environment improves the accuracy of transmission and thus improves the efficiency, and provides a reliable, practical, and low-cost means of small-volume data communication in applications where sound sending and receiving equipment is relatively cheap.
Owner:SHENZHEN ELINK SMART CO LTD
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