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535results about How to "Improve the leveling effect" patented technology

Electronic gaming

The present invention resides in an electronic gaming system comprising gaming parameters defining one or more gaming characters or entities, the system providing means whereby at least one skill type attribute is associated with a gaming character / entity, the system providing means whereby a changing aptitude level value is associated with the skill type attribute, the system providing for means, responsive to the gaming character electing to execute a gaming move using skill type attribute, reducing the aptitude level value by a predetermined amount. The present invention makes efficient use of memory, which in a mobile gaming platform such as a mobile phone is often limited by allowing for more involved and enhanced gameplay without substantially increasing the requirement for memory or processing power. Furthermore, the gaming system of the present invention provides for a compact and manageable gaming solution particularly suitable for mobile gaming.
Owner:RPX CORP

Leveling device and method for hydro-pneumatic suspension of multi-axle vehicle

The invention relates to a leveling method and a leveling device for a hydro-pneumatic suspension of a multi-axle vehicle. The leveling device comprises an oil tank, an oil pump, a public accumulator, wheels and a hydro-pneumatic spring component. According to the leveling device, a suspension of a two-axle or multi-axle vehicle is converted into three-point support through the coupling mode of hydro-pneumatic springs, and the vehicle-mounted platform leveling mode based on three-point control is realized. The leveling device also comprises a control panel, a microprocessor, at least three oil charge and discharge control valves connected with an oil liquid pipeline and electrically connected with the microprocessor, a coupling valve connected with the oil liquid pipeline and electrically connected with the microprocessor, an altitude sensor arranged between a cross arm of each suspension and a vehicle body, and a tilt angle sensor fixedly arranged on the vehicle body, wherein the altitude sensor and the tilt angle sensor are electrically connected with the microprocessor through signal wires, and the microprocessor consists of a solver and a controller.
Owner:浙江孔辉汽车科技有限公司

Crosscut production line for metal sheet materials

The invention relates to the technical field of crosscut production equipment for metal sheet materials, in particular to a full set of crosscut production line for the metal sheet materials. The production line comprises an uncoiling unit, a levelling unit, a numerical control cut-to-length unit, a crosscut unit and an overlapping unit. The full set of crosscut production line for the metal sheet materials improves the automatic in uncoiling, levelling, cut-to-length, crosscut, overlapping and the like substantially, and is quick in production speed and high in efficiency; a sixfold levelling mechanism is adopted to perform the leveling on the metal sheet materials, and the leveling effect is good; a numerical control cut-to-length mechanism and a passive correction mechanism are adopted to perform size positioning, so that the cutting precision is improved greatly; and the overlapping unit is adopted, so that the cut metal sheet materials neatly stack up automatically and are favorable for accelerated packaging and transportation. In addition, the invention also designs measures for protecting surfaces of the metal sheet materials at multiple positions, so that the surfaces of the metal sheet materials are not scratched or damaged in the process of cutting.
Owner:东莞市金峥机械有限公司

Reverse pulse plating composition and method

InactiveUS20050016858A1Improve performanceLong operate lifeJewelleryElectroplatingChloride
A composition and method for electroplating a metal on a substrate. The composition has a chloride to brightener concentration ratio of from 20:1 to 125:1. The method of electroplating, which employs the composition, employs pulse patterns that improve physical properties of metal surfaces.
Owner:SHIPLEY CO LLC

High-resolution remote sensing image road information extraction method

The present invention discloses a high-resolution remote sensing image road information extraction method. The method comprises the following steps: image preprocessing: employing an enhanced and filtering method to realize the purpose of the difference of a road image and a background image; a road image segment method: improving the traditional area growth algorithm and adding a secondary cluster method after growth to remove the complex small plates distributed in the image as much as possible so as to allow the ground object connected with the road to be separated from each other as far as possible; image analysis and identification: and employing a mathematical morphology method and structural elements with a certain shape to measure and extract the corresponding shaped in the image to reach the purpose of the analysis and identification of the image, convert the RGB image to an HSV image in the image processing process and improve the area growth algorithm to adapt for the extraction road so as to greatly improve the quality of the road segment, have high precision of the extraction of the city road, and especially adapt for the extraction of the city main road.
Owner:INST OF REMOTE SENSING & DIGITAL EARTH CHINESE ACADEMY OF SCI

Flattening device and flattening method thereof

The invention relates to the technical field of coal detection equipment, in particular to a flattening device and a flattening method thereof. The flattening device comprises a moving mechanism and a sample placing mechanism below the moving mechanism. The moving mechanism comprises a horizontal driving mechanism, a connection fixing base and a flattening assembly. The flattening assembly comprises a guide rod and a strike-off piece which is fixed below the guide rod and is parallel with the guide rod. The guide rod horizontally penetrates through the connection fixing base. The horizontal driving mechanism is arranged at one end of the guide rod and used for driving the flattening assembly to move in the length direction of the guide rod. The moving mechanism and the sample placing mechanism move vertically and relatively in the direction perpendicular to the sample placing mechanism, and move horizontally and relatively in the direction perpendicular to the guide rod. The flattening device adopts the automatic flattening manner, so that the manual flattening manner is omitted, the degree of automation is high, the applicable flattened sample range is wide, and the flattening efficiency and effect are improved.
Owner:长沙开元仪器有限公司

Fabric surface defect detection machine set, and detection method

The invention discloses a fabric surface defect detection machine set, and a detection method based on the fabric surface defect detection machine set. The fabric surface defect detection machine set comprises a machine frame, a feeding roller assembly, a foreign matter removing device, a flattening device, a deviation correcting device, a drawing roller assembly, a wrinkle removing device, an industrial camera, a marking machine, and a coiling machine. According to the detection method based on the fabric surface defect detection machine set, before detection, impurity removing, flattening, deviation correcting, and wrinkle removing are adopted so as to conveying flat fabric into a detection zone steadily; the fabric surface defect detection machine set can be used for on-line detection of fabric surface, increasing fabric surface detection efficiency and fabric detection result accuracy.
Owner:江苏博虏智能科技有限公司

Three-dimensional printing platform adjusting method and three-dimensional printer

The invention provides a three-dimensional printing platform adjusting method and a three-dimensional printer. The three-dimensional printing platform adjusting method comprises the processes of conducting calibration on flatness of each supporting component, wherein the process of conducting calibration on flatness of one supporting component comprises the steps that a backward-direction print head of a three-dimensional printing platform is moved to the calibration position; the print head is moved above the supporting component in need of calibration; the three-dimensional printing platform is moved toward the print head and to the preset zero position at the first resolution ratio; a control unit calculates the current pressure value; whether the current pressure value equals to the preset pressure value or not is judged; if not, the current pressure value is made to be equal to the preset pressure value by adjusting the position of a pressure sensor. The invention further discloses the three-dimensional printer using the three-dimensional printing platform adjusting method. According to the three-dimensional printing platform adjusting method and the three-dimensional printer, by conducting calibration on the supporting components and utilizing the pressure sensors as calibration benchmarks, an article carrying plate can be effectively adjusted to be flat, and formation quality can be further improved.
Owner:PRINT RITE UNICORN IMAGE PROD CO LTD

Construction process for outer wall metal fluorocarbon coating

The invention discloses a construction process for an outer wall metal fluorocarbon coating. The construction process comprises the following steps of: 1, checking a base layer; 2, treating the base layer; 3, performing coarse bottom leveling putty layer construction, wherein the used outer wall leveling coarse bottom putty is a finished putty special for the outer wall and a proper amount of quartz sand is added into the finished putty; 4, laying a glass fiber crack resistant net; 5, performing dividing joint construction; 6, performing fine surface leveling putty layer construction to ensure that the glass fiber crack resistant net is clamped between the coarse bottom leveling putty layer and the fine surface leveling putty layer; 7, polishing and maintaining; 8, performing polished side leveling putty layer construction; 9, performing fluorocarbon primer spraying construction; 10, performing fluorocarbon intermediate coating spraying construction; 11, performing fluorocarbon finish paint spraying construction; 12, performing fluorocarbon varnish spraying construction; and 13, coloring dividing joints. The construction process for the outer wall metal fluorocarbon coating has the advantages of simple construction steps, reasonable design, convenient operation, low construction cost, high construction quality, and excellent use efficiency, and can prevent the hollowness, delamination, crack and other quality defects on the surface of the outer wall metal fluorocarbon coating.
Owner:陕西建工第二建设集团有限公司

Asphalt leveling device used for road construction

The invention relates to the technical field of asphalt leveling devices and discloses an asphalt leveling device used for road construction. The asphalt leveling device comprises a vehicle body. A storage tank is fixedly installed on the right side of the top of the vehicle body. The bottom of the left side face of the storage tank fixedly communicates with a right connecting pipe. The other endof the right connecting pipe fixedly communicates with an asphalt pump located in the vehicle body. The other end of the asphalt pump fixedly communicates with a left connecting pipe. The left end ofthe left connecting pipe penetrates through the vehicle body and extends to the outer portion of the left side of the vehicle body. A vibrating motor is fixedly installed at the bottom of the vehiclebody. By the adoption of the asphalt leveling device used for road construction, through arrangement of the vibrating motor, a vibrating board, a plastering board and a leveling roll, the vibrating motor is used for driving the vibrating board to vibrate, asphalt is vibrated through vibration of the vibrating board, the asphalt vibrated through the vibrating board is leveled through the plasteringboard, the asphalt leveled by the plastering board is leveled again through the leveling roll, and therefore the leveling effect of the leveling device is improved.
Owner:麻阳万兴沥青混凝土有限公司

Method and system of fault powered supply voltage regulation

A method and system for supply voltage regulation in a motor circuit protector (MCP) that includes a current transformer coupled to a rectifier and a stored energy circuit. A solenoid is actuated by that circuit when a sufficient voltage is present. A controller having a configurable input is coupled to the stored energy circuit. Upon startup of the motor circuit protector, the controller causes the stored energy circuit to be charged to a startup voltage level via secondary current from the current transformer. The controller periodically interrupts the charging to measure the secondary current to detect fault levels. During startup, the configurable input is set to a comparator input for rapid current measurements. During run mode, the configurable input is set to an A / D input for accurate measurements. The controller measures the voltage of the stored energy circuit while charging it to a power level sufficient to actuate the solenoid.
Owner:SQUARE D CO

Electrosilvering solution and electrosilvering method

The invention relates to an electrosilvering solution and an electrosilvering method. The electrosilvering solution comprises silver salt, methionine, sodium carbonate, sodium pyrophosphate, niobium chloride and methanesulfonic acid, wherein the silver salt is silver nitrate. The electrosilvering method comprises the following steps of (1) polishing, (2) deoiling, (3) primary washing, (4) pre-electrosilvering, (5) secondary washing, (6) electrosilvering and (7) antitarnishing. The electrosilvering solution used in the electrosilvering is the electrosilvering solution disclosed by the invention. With the electrosilvering solution and the electrosilvering method provided by the invention, a dense silver coating with good bonding force can be obtained.
Owner:东莞市闻誉实业有限公司

Gear fine-tuning cloud platform

PendingCN109764217AAchieve large angle pitchConvenient Pitch CapabilityStands/trestlesCamera body detailsCamera lensEngineering
The invention relates to the technical field of photography, in particular to a gear fine-tuning cloud platform. The gear fine-tuning cloud platform is provided with a rotating base, a roll worm supporting seat, a roll regulating component, a pitch regulating component and a bearing seat from bottom to top in sequence; the pitch regulating component of a complete gear structure is located above, and used for providing the large angle pitching ability; the roll regulating component below the pitch regulating component is of an arc rack structure, and interference to pitch motion of the above component is reduced; and the height of the cloud platform is lower. The arc opening of an arc rack faces upwards, so that a rotating shaft is closer to a center shaft of a camera lens; and the displacement of a camera in the leveling process is small, and unexpected picture movement is less. The two structures are combined up and down, and the swinging ability of the upper side of the cloud platform is strengthened in a finite size; thus, the use is more convenient; firstly, a photographed target is aligned through the rotating base, and then leveled right and left; next, the pitch angle is determined, and the camera is level right and left in the pitch process all the time; and the right and left leveling of the camera is not required after change of the pitch angle, and roll offset does not occur during transport of the camera pitch lens.
Owner:BEIJING SAVOYE IMAGE TECH CO LTD

Wheat no-tillage seeding machine suitable for full straw mulched ground operation

The invention relates to a wheat seeding machine in agricultural machinery, in particular to a wheat no-tillage seeding machine suitable for full straw mulched ground operation. A tractor power output shaft (16) is connected with a horizontal wide box type straw smashing clearing machine, a transverse shallow rotating mechanism (6) is arranged at the back, a first half part of a semicircular cover (6c) of the shallow rotating mechanism (6) is an arc-shaped cover plate, a rear half part of the semicircular cover (6c) is a grid cover formed by a plurality of arc-shaped strips, a wheat fertilizing seeding machine arranged at the back is of an integrated type, a front three-point suspension part (15) is adopted to be connected with a tractor (1), a rear three-point suspension part (13) is connected with the wheat fertilizing seeding machine, and depth limiting wheels (17) are respectively arranged on the left side and the right side of the straw smashing clearing machine. According to the wheat no-tillage seeding machine, straw smashing clearing, operation processes such as shallow rotation, fertilization, seeding, straw mulching after seeding can be finished in one time, times of the machine going to fields is reduced, the operation cost is reduced, and mechanical seeding of narrow line spacing crops such as wheat in corn and rice full straw mulched ground is achieved.
Owner:NANJING AGRI MECHANIZATION INST MIN OF AGRI

Road repairing device

ActiveCN108842580AVibration crushingGuaranteed to be completely brokenRoads maintainenceElectric machineryRoad surface
The invention discloses a road repairing device, and belongs to the technical field of road repairing. The road repairing device comprises a vehicle body, a breaking and flat ramming mechanism, an asphalt filling mechanism and a compacting roller, wherein the breaking and flat ramming mechanism, the asphalt filling mechanism and the compacting roller are sequentially mounted on the vehicle body from the front end to the rear end in the marching direction of the vehicle body; the breaking and the flat ramming mechanism comprises a flat ramming gravity plate, and a drill bit which is fixed to the lower surface of the flat ramming gravity plate; the upper part of the flat ramming gravity plate is connected to a vibrating motor; a rotating shaft and a sector turntable which is fixed to one side of the rotating plate are arranged right above the vibrating motor; an arc-shaped hole is formed in the sector turntable; a moving rod which vertically passes through the arc-shaped hole is arrangedin the arc-shaped hole; a connecting rod is connected between the moving rod and the vibrating motor; two ends of the connecting rod are correspondingly hinged with the moving rod and the vibrating motor. According to the road repairing device, a broken and old pavement can be hammered and vibrated to realize combined breaking through one mechanism, and the broken pavement can be completely rammed, levelled and compacted; in addition, related acting strength is high; the breaking effect and the flat ramming effect are good.
Owner:ANHUI NORMAL UNIV

Method and system for distributing calls

A method for distributing calls includes receiving a plurality of calls each for connection with one of a plurality of agents and storing each of the plurality of calls in a queue. The method includes monitoring the time that each of the plurality of calls has spent in the queue and determining that a first agent is available to receive a call. The method also includes determining, for a first call that has spent the most time in the queue, a first amount of time that the first call has spent in the queue and determining whether the first amount of time has exceeded a service level time. The method includes, if the first amount of time has not exceeded the service level time, distributing the first call to the first agent.
Owner:CISCO TECH INC

Method for electroforming nickel-cobalt alloy

The present invention relates to a method for electroforming nickel-cobalt alloy, belonging to the field of electroforming technology. The optimum composition of its electroplating solution includes nickel sulfate 220g / l, nickel chloride 15 g / l, cobalt sulfate 45g / l, sodium chloride Ig / l, boric acid 30g / l and sodium louryl sulfate 0.4 g / l. The thickness of nickel-cobalt alloy coat of the conticaster crystallizer copper plate electroformed by said invention is 2.0-3.0 mm. The binding force of the coat and base body is strong, the service life of the crystallizer copper plate is long.
Owner:ELECTROMECHANICAL APPTS PLANT MASCH MFG ANGANG GRP

Hanging basket levelling control system

The invention discloses a hanging basket levelling control system, comprising an electromagnetic proportion reverse valve, an inclination sensor, a controller and an oil cylinder. The inclination sensor is used for detecting the inclination of a working platform; the controller is used for receiving a signal sent out by the inclination sensor and converting the signal of the inclination sensor into an electromagnetic reverse signal; and the oil cylinder is used for supplying a power source of oil liquid and adjusting the inclination of a hanging basket. The handing basket levelling control system which adopts the PID (Proportion Integration Differentiation) control algorithm and is based on the electro-hydraulic proportional leveling principle has low cost, good continuity, tranquility and levelling properties, high control precision and fast dynamic response, and is suitable for various high altitude overhead working trunks.
Owner:SHANGHAI PAL FIN AUTOMATIC CONTROL TECH

High-grade fabric leveling equipment

The invention relates to the technical field of fabric processing equipment and in particular relates to high-grade fabric leveling equipment. The high-grade fabric leveling equipment comprises a leveling operation table, wherein supporting bottom columns are arranged at the bottom of the leveling operation table; supporting columns are arranged on the outer parts of the front and back of the leveling operation table; a feeding roller and a receiving roller are respectively arranged on the outer parts of the left and right sides of the leveling operation table; a first protective mat is arranged on the upper surface of the leveling operation table; a leveling device and a pressing device are arranged on the leveling operation table; the interior of the leveling plate is sequentially partitioned into a vapor chamber and a heating chamber by virtue of a vertically arranged partition plate. According to the arrangement of the pressing device, an electromagnet is electrified to attract a magnetic metal block to drive the pressing plate to move downwards, and a fabric needing to be leveled on the leveling operation table is fixedly positioned; the leveling plate arranged on the levelingdevice is driven to reciprocate on the leveling operation table by virtue of a leveling motor, a first lead screw, a second lead screw and a sliding table so as to level the fabric.
Owner:常州骏嘉纺织科技有限公司

Ground leveling frame used for house building construction

The invention relates to a ground leveling frame used for house building construction. The leveling frame comprises a supporting top plate, an electric sliding rail, a detecting device and a groundingdevice, the electric sliding rail is installed at the bottom of the supporting top plate, the detecting device is installed on the bottom of the right end of the electric sliding rail, and the grounding device is installed on the bottom of the left end of the electric sliding rail; the detecting device comprises a detecting electric sliding block, a detecting top plate, a detecting telescopic mechanism, a shoveling mechanism and a cleaning mechanism. By means of the ground leveling frame, existing difficult problems of poor manual ground leveling effect, large manual protrusion shoveling difficulty, failing of automatic recovery of shoveled protrusions, separate sweeping needed by debris of the protrusions, low grounding efficiency on ground protrusions, heavy grounding dust, potential safety hazards of hurting the ground when grounding of the protrusions is conducted and the like when leveling is conducted on decorated ground; functions of automatic detecting and shoveling of the protrusions on the decorated ground and automatic dustless grounding on the protrusions can be achieved.
Owner:浙江金顶建设有限公司 +3

Fabric surface fold ironing and leveling mechanism

The invention discloses a fabric surface fold ironing and leveling mechanism, and belongs to the technical field of leveling. The fabric surface fold ironing and leveling mechanism comprises a bottomplate, two first support plates and two second support plates are connected to the outer wall of the top of the top of of the bottom plate respectively, a top plate is connected to the tops of the first support plates and the second support plates, a fixed plate is connected between the bottom plate and the top plate, a through groove is formed in the fixed plate, a placing plate is connected to the interior of the through groove, a fixed block and a baffle are connected to the outer walls of the two sides of the fixed plate respectively, a sliding groove is cut in the fixed block, a second connected plate is in sliding connection with the interior of the sliding groove, a leveling plate is connected to the bottom of the second connecting plate, and a hot-air blower is connected to the interior of the baffle. Accordingly, folds on the surface of a fabric can be ironed and leveled conveniently, the subsequent operation can be conducted on the fabric, and the work efficiency is improved.
Owner:杭州屹迪森纺织品有限公司

Leveling jig for LED (Light-Emitting Diode) display back plate

InactiveCN102632108AAchieve mechanical levelingImprove the leveling effectPhysicsEngineering
The invention relates to the field of leveling jigs, and in particular relates to a leveling jig for an LED (Light-Emitting Diode) display back plate. The leveling jig comprises a bottom plate for supporting the jig, frames positioned at the edge of the bottom plate and capable of fixing a workpiece, and a leveling mechanism positioned above the bottom plate; the leveling mechanism comprises a balance bar horizontally arranged, pressure columns arranged below the balance bar, and a punch fixed on the balance bar, the frames are provided with vertical frame columns or frame protrusions positioned on the ends of the frames, and the frames are crescent. The LED display back plate is fixed by four ends of the leveling jig, the pressure columns are symmetrically arranged above the LED display back plate, the balance bar and the punch control the pressure columns to move vertically, the two ends of the jig are crescent, thus realizing leveling of LED display back plate machines, leveling effect is good, the leveling efficiency is high, the product is stable in quality and is difficult to break.
Owner:KUSN CHANGYUN ELECTRONICS IND

Concrete laser leveling machine

The invention provides a concrete laser leveling machine which comprises a frame, a laser system and a computer control system. The laser system and the computer control system coordinate to form a horizontal-detection control loop, and a high-precision horizontal detection and control method is created. The concrete laser leveling machine has the advantages that the machine is convenient to operate, good in leveling effect, good in concrete ground tamping effect, low in high-low error, and efficient in floor operation; the machine can be operated through remote control, an operator can observe the machine operation and ground conditions favorably, and operation efficiency can be increased, and operation effect can be guaranteed; the concrete machine can rotate 360 degrees without moving the body of the machine, leveling operations can be performed in narrow and limited spaces, and the machine is wide in work application range.
Owner:于海

Overhead working truck leveling system

InactiveCN103508386AHigh control precisionThe leveling process is continuousLifting devicesHydraulic cylinderElectro hydraulic
The invention provides a control device of an overhead working truck working platform. An overhead working truck leveling system is formed by sequentially connecting an angle sensor, a controller, an electro-hydraulic proportional reversing valve, a balance valve and a leveling hydraulic cylinder, wherein the angle sensor is arranged on the bottom of the working platform, and the leveling hydraulic cylinder is connected with an arm lever. The overhead working truck leveling system enables a leveling process to be continuous and stable in use, and is good in leveling performance, high in control precision, quick in dynamic response and easy to popularize.
Owner:SHAANXI SHENGMAI PETROLEUM

Foundation quick rammer compactor for constructional engineering

The invention discloses a foundation quick rammer compactor for constructional engineering. The foundation quick rammer compactor structurally comprises a hydraulic rod, a supporting plate, a tampinghammer, a hammer body, a balancing weight, a connecting wire, a shock absorber, a mobile arm, a cab, a vehicle body, a walking crawler belt and a flattening device. After the improvement, when the tamping is carried out; a worker controls the vehicle body to operate the mobile arm to adjust the hammer body; the mobile push plate is used for extruding downwards, so that the body assists the pressing plate to press the compaction hammer downwards to compact the foundation, the compaction impact force of the compaction hammer is reduced through the adjusting element and the buffer air bag, the influence of the impact feeling on construction personnel is reduced, floating and sinking around are treated through the dust suction pipe, and the working environment during compaction is improved. After the ground is hit, the pressing force of the pressing roller and the rolling wheel is adjusted through the adjusting block, the pressing roller and the rolling wheel move through the rotating shaft, the flattening wheel is assisted in flattening the foundation surface, the uneven phenomenon of the foundation is prevented, the flattening wheel compacts gravel on the ground on the foundation, and the tamping effect is improved.
Owner:袁军国

Paddy field stubble burying cultivator

The invention discloses a paddy field stubble burying cultivator. The paddy field stubble burying cultivator comprises a rotary tillage and beating mechanism, a casing, a transmission system, a suspension assembly, a rack assembly and a carriage assembly, wherein the transmission system comprises two stages of transmission mechanisms, namely a front bevel gear transmission mechanism and a rear chain transmission mechanism. The cultivator is characterized in that the chain transmission mechanism is arranged on one side of the cultivator; a carriage flexible buffer and compensation connection structure is arranged between a secondary carriage of the carriage assembly and the casing; a stubble burying structure is arranged on a primary carriage and comprises a compression bar overhung on the lower end face of the primary carriage; a left carriage and a right carriage are respectively arranged on the two sides of the primary carriage to form an assembled carriage structure; a primary carriage adjusting mechanism is arranged on the primary carriage and comprises a plane four-bar mechanism and a limiting structure; and the plane four-bar mechanism is formed by a support frame component, an oblique push bar, a supporting bar and a vertical bar. The paddy field stubble burying cultivator is reasonable in structure and convenient to adjust and maintain, works without dead zones, can complete rotary tillage, beating, stubble burying and harrowing in one step and has high ground flatness.
Owner:泰州樱田农机制造有限公司

Polishing solution for electrochemical polishing of nickel-titanium alloy and application

The invention provides a polishing solution for electrochemical polishing of a nickel-titanium alloy, and belongs to the field of nickel-titanium alloy surface treatment. The polishing solution is composed of the following matter of, by volume, 22%-43% of concentrated sulfuric acid, 37%-50% of ethylene glycol, 5%-10% of an additive agent and the balance water. The invention further discloses a method for electrochemical polishing of the nickel-titanium alloy, the nickel-titanium alloy is treated as the anode, a stainless steel plate is treated as the cathode, the anode and the cathode are placed into the electrical polishing solution, and electrochemical polishing is conducted. The electrochemical polishing solution and the polishing method can be used for polishing a medical nickel-titanium alloy, the nickel-titanium alloy which is subjected to polishing treatment is good in corrosion resistance. The formula of the nickel-titanium alloy electrochemical polishing solution is not proneto volatilizing, stable and environmentally friendly, low in cost and good in operating environment.
Owner:UNIV OF SHANGHAI FOR SCI & TECH

Dither amplitude correction for constant current drivers

In satisfying the above need, as well as overcoming the enumerated drawbacks and other limitations of the related art, the present invention provides an improved switched driver circuit. As disclosed above, there is a need to compensate for the high impedance load characteristics in certain implementations of hysteretic switching constant current drivers. The switching waveform of switching constant current driver circuits may be modified in such a way that retains the important dither characteristics and improves system level performance.
Owner:VISTEON GLOBAL TECH INC
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