1042results about How to "Same length" patented technology

An intraluminal prosthesis is provided with a plurality of annular elements. Each annular element includes a plurality of struts and apices connected to form an annular configuration. Each annular element has a compressed state and an expanded state, and has a longitudinal dimension which is smaller in the expanded state than in the compressed state. A plurality of connecting members connect the apices of adjacent annular elements. The connecting members have a plurality of alternating segments that function to compensate for the smaller longitudinal dimension of each annular element in the expanded state. The stent may be provided with varying flexibility along its length and/or circumference, and may include segments that have different diameters.

A system and method for distributing data over a plurality of remote storage nodes. Data are split into segments and each segment is encoded into a number of codeword chunks. None of the codeword chunks contains any of the segments. Each codeword chunk is packaged with at least one encoding parameter and identifier, and metadata are generated for at least one file and for related segments of the at least one file. The metadata contains information to reconstruct from the segments, and information for reconstructing from corresponding packages. Further, metadata are encoded into package(s), and correspond to a respective security level and a protection against storage node failure. A plurality of packages are assigned to remote storage nodes to optimize workload distribution. Each package is transmitted to at least one respective storage node as a function iteratively accessing and retrieving the packages of metadata and file data.

Aspects of the invention are directed to an acoustic resonator with improved impingement cooling effectiveness. The resonator includes a plate with an inside face and an outside face. A plurality of passages extend through the plate. The resonator includes a side wall that extends from and about the plate. A plurality of cooling tubes are attached to the resonator plate such that an inner passage of each cooling tube is in fluid communication with a respective passage in the resonator plate. The resonator can be secured to a surface of a turbine engine combustor component to define a closed cavity. The ends of the cooling tubes are spaced from the surface. Thus, a coolant can enter the passages in the plate and can be directed to the surface so as to impingement cool the surface. The cooling tubes can minimize coolant loss by dispersion in the cavity.

A system and method for distributing data over a plurality of remote storage nodes. Data are split into segments and each segment is encoded into a number of codeword chunks. None of the codeword chunks contains any of the segments. Each codeword chunk is packaged with at least one encoding parameter and identifier, and metadata are generated for at least one file and for related segments of the at least one file. The metadata contains information to reconstruct from the segments, and information for reconstructing from corresponding packages. Further, metadata are encoded into package(s), and correspond to a respective security level and a protection against storage node failure. A plurality of packages are assigned to remote storage nodes to optimize workload distribution. Each package is transmitted to at least one respective storage node as a function iteratively accessing and retrieving the packages of metadata and file data.

An intraluminal prosthesis is provided with a plurality of annular elements. Each annular element includes a plurality of struts and apices connected to form an annular configuration. Each annular element has a compressed state and an expanded state, and has a longitudinal dimension which is smaller in the expanded state than in the compressed state. A plurality of connecting members connect the apices of adjacent annular elements. The connecting members have a plurality of alternating segments that function to compensate for the smaller longitudinal dimension of each annular element in the expanded state. The stent may be provided with varying flexibility along its length and/or circumference, and may include segments that have different diameters.

The invention discloses an intelligent rewinding machine with constant linear velocity, constant tension and fixed wire length, comprising a linear velocity sensor, a tension automatic controller and a single spindle transmission control device, wherein a transmission cone table is directly fixed on an output shaft of a motor; a movable cone table is movably connected with a handle via a pin; the linear velocity sensor has the functions of detecting broken lines, linear velocity and length counting. When a tension detecting hook on the tension automatic controller detects that the tension of yarns is oversize, a swinging arm is controlled to rotate an angle so as to reduce the yarn bending degree of the flowing yarns and reduce the winding tension of the yarns, and vice versa. A computer controller on the single spindle transmission control device receives signals sent by the linear velocity sensor and controls the rotation speed and the broken lines of the motor to warn. As the gradual increasing winding diameter of the tube, the rotation speed of the tube is controlled to gradually slow, so that the winding linear velocity is constant; when the length of the yarns reaches the set value or the broken line signal is received, the power supply of the motor is cut off and the warning light twinkles.

Disclosed are a method for analyzing high-throughput nucleic acid and an application thereof. Among n nucleic acid fragments to be analyzed, for each target nucleic acid fragment, at least two specific probes bound to different binding domains of the target nucleic acid fragment are provided, each specific probe has a specific binding domain and a universal sequence domain, a sequence of the specific binding domain and a sequence of the binding domain of the target nucleic acid fragment are complementary, and a sequence of the universal sequence domain is corresponding to a sequence of a sequencing primer.

The invention relates to the mechanical technology field of reinforcing bar processing, which is a reinforcing bar straightening cutter, comprising a frame, a drive mechanism, a drawing mechanism, a straightening mechanism, a shearing and cutting mechanism and a material-holding frame. One front end of a straightening die casing of the straightening cutter is provided with a guide fin with a front flaring, which is convenient for the reinforcing bar to penetrate. The shearing and cutting mechanism consists of a driving cutter, a driven cutter, a shearing double roller, a signal generator, a clutch mechanism, a basic reset mechanism of cutter and an accurate reset mechanism of cutter. When then signal generator gives a shearing signal, the clutch mechanism of the clutch receives the signal to conduct dynamic clutch. After the reinforcing bar is cut, the driving cutter and the driven cutter return to a starting position via the basic reset mechanism of the cutter. The interaction of a positioning pin and a spiral groove of the accurate reset mechanism of the cutter make the driving cutter and the driven cutter return back to the starting position, thereby realizing precision cutting of the reinforcing bar and improving automatization.

According to embodiment, the invention provides a display panel, a display panel driving method and a display device, and relates to the technical field of display, capable of effectively relieving the problem that display brightness in a display area of a display panel is uneven. In one aspect, first display information and a first gamma regulating standard, which correspond to a main display area, are acquired by virtue of a first driving IC; second display information and a second gamma regulating standard, which correspond to a first subordinate display area, are acquired by virtue of a second driving IC; the first driving IC, in accordance with the first display information and the first gamma regulating standard, configures a first driving voltage to the main display area by virtue of a first data line; and the second driving IC, in accordance with the second display information and the second gamma regulating standard, configures a second driving voltage to the first subordinatedisplay area by virtue of a second data line.

The invention discloses an encryption method based on characters. The method comprises steps of building a basic transposition table?TB and using a secret key to initialize the basic transposition table to an operation transposition table?TO, converting an input character string into a plaintext sequence number string according to a pre-defined character and sequence number corresponding?table TC, using the operation transposition table?TO for carrying out transposition on the plaintext sequence number string to obtain a ciphertext sequence number string, and converting the ciphertext sequence number string into a ciphertext character string. According to the method, a character?position services as a basic processing unit, dynamic variable data length encryption is realized, length?consistency and?visibility of the ciphertext and the plaintext can be ensured, and platform adaptability and high calculation efficiency are realized.

The invention discloses a swinging steel pipe equidistance cutting device. The left end of a driving shaft is fixedly connected with a first bevel gear; the first bevel gear is engaged with a second bevel gear; the second bevel gear is fixedly connected with the middle part of a driven shaft; the lower end of the driven shaft is fixedly connected with a semi-bevel gear; the semi-bevel gear is provided with teeth on one half and no tooth on the other half; third bevel gears are arranged on the two sides below the semi-bevel gear, and are fixedly connected with rotating shafts; the tooth part ofthe semi-bevel gear is engaged with the third bevel gears; the right ends of the rotating shafts are fixedly connected with small gears; the small gears are engaged with large gears; the right sidesof the large gears are fixedly connected with the upper ends of swing rods; and cutting blades are arranged at the middle parts of the lower ends of the swing rods. The device uses the small gears fordriving the swing rods to swing back and forth; when the swing rods swing, a first transmission belt drives the cutting blades to rotationally cut to realize swing cutting; and a fixed disc and a ratchet are used for realizing intermittent one-way rotation of a lead screw to achieve intermittent feeding function of pipes so as to finally achieve equidistance cutting effect of pipe fittings.

The present invention discloses an on-chip parameter coplanar waveguide TRL calibration piece, relating to the technical field of a terahertz on-piece S parameter testing device. The calibration piece comprises a substrate layer. The material of the substrate layer is same with the substrate material of a tested piece. The upper surface of the substrate layer is provided with a direct access standard part, a reflection standard part and a transmission line standard part. The lower surface of the substrate is covered by a metal layer. The ground lines of the direct access standard part, the reflection standard part and the transmission line standard part go through the through holes of the substrate layer respectively to be connected to the metal layer. The probe end of the ground lines of the direct access standard part, the reflection standard part and the transmission line standard part are provided with an alignment marker. The calibration piece has the advantages of high calibration accuracy and simple operation, an error brought by de-embedding is avoided, and a device characteristic can be accurately represented.

A transfer chair has a chair frame, a seat, wheels, and a lift arm which has an articulated path between home and target positions. The articulated path may define a limited clearance height to allow use with, e.g., cars having a small door opening. In one embodiment the seat is split and moves to allow passage of the lift arm as it travels along the articulated path. The lift arm is articulated such that a lifting bridle attached to a distal end of the lift arm is maintained in a constant angular orientation with respect to the chair frame during movement. The lift arm further has multiple deployment paths for target positions with different heights and distances. A transfer seat for the lift arm includes two flexible webs removably attached to the lifting bridle. The lift arm is constructed using four links which are pivotally connected end-to-end. The links can be folded to a stowed position within the chair frame. An actuation mechanism uses a lead-screw actuator coupled to one of the links which lifts the remaining links by rotation about its pivotal attachment to the chair frame, and similarly uses another lead-screw actuator coupled to the next link. The actuation mechanism can be operated by an on-board motion control computer for controlling the trajectory and velocity of the arm. Sensors provide trajectory information to the on-board computer, and a docking switch can select one of a plurality of target trajectories for deploying the lift arm. A docking station integrated with the frame mates with a docking feature on the target object and stabilizes the chair while transferring the user. The docking station may include a receptacle for electrical connection to a power supply. A more comprehensive transfer system is provided using a path sensor which tracks a sensible path proximate the target object, and an electronic controller responsive to the path sensor which operates the drive wheels to follow the sensible path to a stowage location. The transfer chair drive wheels may be caregiver-operated using throttle handlebars.

The embodiment of the invention provides a poly-silicon thin film transistor and a preparation method thereof, and an array substrate, and relates to the technical field of display. Lightly doped regions can be made consistent in length, and the problem of too large leakage current can be avoided. According to the thin film transistor, an active layer, a gate insulation layer, a gate electrode, a source electrode and a drain electrode are formed on a substrate base plate, and the active layer comprises a first poly-silicon region, lightly doped regions disposed on the two sides of the first poly-silicon region, and heavily doped regions disposed on one sides of the lightly doped regions. According to the method, dry etching is performed to form a barrier layer between the gate electrode and the gate insulation layer, wherein the barrier layer corresponds to the first poly-silicon region. The formation of the lightly doped regions of the active layer comprises the following steps: a poly-silicon layer is formed on the substrate base plate, wherein the poly-silicon layer includes a first poly-silicon region, second poly-silicon regions disposed on the two sides of the first poly-silicon region, and third poly-silicon regions disposed on one sides of the second poly-silicon regions; and the second poly-silicon regions are doped to form the lightly doped regions with the use of the barrier layer covering the first poly-silicon region as a mask.

A plate-fin heat exchanger having a plurality of layers for indirectly exchanging heat between two or more fluids. The heat exchanger is provided with two sections and inlets and outlets to the sections to cause streams of the fluids to flow within the two sections parallel to the length of the heat exchanger between central locations and the ends of the heat exchanger. In such manner, the cross-sectional flow area of such a heat exchanger is greater than the heat exchanger in which the flow is from one end to the other end of the heat exchanger. This increase in cross-sectional flow area reduces the pressure drop within the heat exchanger.

The invention relates to foamed plastic, in particular to fixed length cutting-off equipment for compressed strip foamed plastic. The technical problem to be solved herein is to provide fixed length cutting-off equipment for compressed strip foamed plastic which enables foamed plastic compressed via a cold press to automatically break, has no need for manual breaking and provides uniform length for cut foamed plastic plates. In order to solve the above technical problem, the invention provides such fixed length cutting-off equipment for compressed strip foamed plastic, comprising a fixed plate, a first slide rail, a first slider, a first spring, a moving rod, a connecting rod, a retaining plate, a guide rail, a guide sleeve, a second spring, a first rack, a first support rod and the like; the first slide rail is mounted at the lower portion of the left wall of the fixed plate by means of welding. The equipment of the invention enables foamed plastic compressed via a cold press to automatically break, has no need for manual breaking, and provides uniform length for the cut foamed plastic plates.

A combination day/night sight includes an image intensifying sensor/display combination and a daytime optical path length compensator that may be selectively placed within the optical path. Use of the optical path length compensator when the image intensifying sensor/display is not being used eliminates the need for moving optical elements. The night sight therefore requires no change in focus or bore sight adjustment after switching between day and night operations.

The invention provides a clock circuit and a clock signal transmission method thereof. The clock circuit comprises a buffer module, N multiplexers and N clock gating cells, wherein the buffer module comprises an input end and N output ends, and is used for enhancing the driving capabilities of clock signals received at the input end and outputting clock signals of which the driving capabilities are enhanced from the N output ends; the N output ends are connected with data ends of the N clock gating cells one by one; output ends of the N multiplexers are connected with enabling ends of the N clock gating cells one by one; and the clock gating cells are used for outputting the clock signals from the output ends according to frequency division logic signals or gating logic signals received by the enabling ends from the output ends of corresponding multiplexers and the clock signals received by the data ends from the output ends of the buffer module. Through the technical scheme of the invention, a clock path can be shortened; the transmission delay of a clock source signal is reduced; and the power consumption of the clock circuit is lowered.

The invention discloses a leak detection device for an auto air condition receiver drier and an application method thereof, which relates to a link detection technology and belongs to the technical field of pressure vessel detection. The leak detection device mainly comprises a workbench, a handle, a handspike, a pressure plate, a steel thread support bracket, an air tap, a pressurized-water mechanism, a lighting device, an operation keyboard, a timer and a counter. The method comprises the following steps: placing a drier to be detected on the steel thread support bracket in an inspection pool, and plugging the air tap; rotating the handle to drive the handspike to move the pressure plate; respectively utilizing the press plate and a rubber plate to tightly compress the two ends of the drier to be detected; trampling a pedal to the lowest end so as to lead a pressurized-water plate to press the water in a water storage chamber into the inspection pool through drain holes; carrying out voltage limiting inflation on the drier; and finally observing whether bubbles bubble up from the surface of the drier in the inspection pool within the given time so as to judge the gas tightness of the drier and mark. The invention has the functions of counting and timing, and has the advantages of simple and convenient operation, high efficiency, higher inspection precision, low cost and suitability for being used in link detection of various auto air condition receiver-driers.

The invention discloses a sliding roll-cutting type semiautomatic film cutting machine for fruit film bags. The film cutting machine comprises a rack, and a film cutting device and a fixing and pressing device, which are arranged on the rack. The film cutting device comprises a film cutting working tabletop, guide-track grooves, cylinders and roll-cutting discs, wherein the guide-track grooves are formed in the film cutting working tabletop; and the roll-cutting discs are driven by the cylinders to rotate, and reciprocally move in the guide-track grooves. The fixing and pressing device comprises pressing handles, wherein the pressing handles are arranged above a plastic film bag strip to be cut, and are used for fixing and pressing the plastic film bag strip. The fixing and pressing device for pressing the plastic film bag strip and a plurality of roll-cutting discs are arranged, a plurality of parts of the plastic film bag strip formed by stacking plastic fruit film bags with the film thicknesses of 0.003 to 0.01mm are subjected to semiautomatic film cutting at the same time, and a maximum thickness of the plastic film bag strip to be cut can reach 15cm, so that the aim of improving the film cutting efficiency and the quality of a product is fulfilled.

A vaginal regeneration device is provided and method of promoting regeneration of vaginal tissue is provided. The method includes providing a patient having a vagina in need of vaginal tissue regeneration vaginal lubricant and a vaginal regeneration device. The vagina is lubricated and the regeneration device is inserted into the patient's vagina, wherein the vibrating mechanism is activated, allowing the vibrations to contact the vaginal wall for a therapeutic period of time. The device includes a shaft having a first end and a second end, a tapered insertion at said first end of said shaft and an end cap at said second end of the shaft, and a vibrating mechanism within the shaft. The invention further is directed to kits for promoting regeneration of vaginal tissue comprising at least two vaginal regeneration devices having different diameters along the majority of the length of the shaft.