79 results about "Curve pattern" patented technology

Methods and devices are provided for actuating and/or articulating a circular stapler. In one exemplary embodiment, a circular stapler is provided having an elongate shaft with a stapling apparatus coupled thereto. An electrically expandable and contractible actuator, such as an electroactive polymer actuator, can be used to pivotally or angularly adjust a position of the stapling apparatus relative to the elongate shaft by delivering energy to the electroactive polymer actuator. In another embodiment, an electroactive polymer actuator can be used to actuate the stapling apparatus, thereby driving one or more staples, preferably in a substantially curved pattern, into tissue. The actuator can alternatively or additionally drive a blade distally to cut tissue being stapled.

Methods and devices are provided for actuating and/or articulating a circular stapler. In one exemplary embodiment, a circular stapler is provided having an elongate shaft with a stapling apparatus coupled thereto. An electrically expandable and contractible actuator, such as an electroactive polymer actuator, can be used to pivotally or angularly adjust a position of the stapling apparatus relative to the elongate shaft by delivering energy to the electroactive polymer actuator. In another embodiment, an electroactive polymer actuator can be used to actuate the stapling apparatus, thereby driving one or more staples, preferably in a substantially curved pattern, into tissue. The actuator can alternatively or additionally drive a blade distally to cut tissue being stapled.

The present invention is a more simplified and efficient design of a turbine. The use of a logarithmic curve pattern for blade design and an aerodynamic profile allows the present invention to not only be versatile in its uses, but also much more efficient at gathering forms of energy for different purposes.

A jaw stretching device including a base arm, a lever arm, and a piston arm. A piston channel is formed through the base arm between a connection end and a mouthpiece end. A first mouthpiece is attached to the base arm and a second mouthpiece is attached to the piston arm. The lever arm is connected to the base arm and is capable of rotating relative to the base arm about the connection end. The piston arm includes a length positioned between a pivot end and an attachment end. The length has a curved pattern. The piston arm is positioned in the piston channel and the curved pattern of the length is configured to slide through the piston channel. The lever arm is attached to the piston arm. The piston arm is capable of rotating relative to the lever arm about a pivot end.

The invention provides a carbonate rock reservoir karst cave-fracture reservoir body water injection indication curve interpretation model. As for different compression coefficients of different reservoir medium karst caves and fractures, the model is used for distinguishing the influences on the water injection indication curve pattern from the elastic energy provided by the karst caves and the fractures, and considering the influences on the water injection indication curve pattern from oil-water two-phase elastic energy. The novel model can be used for distinguishing the different elastic compression coefficients of the karst caves and the fractures and calculating the respective proportions of the karst caves and the fracture reservoir body, thereby calculating the respective corresponding volumes.

A method for automated classification of curve patterns associated with dynamic image data of a lesion in a subject in order to determine characteristics of the lesion. The method comprising the steps of loading the image data into an electronic memory means, producing a plot of signal intensity profile, converting the signal intensity profile into a contrast enhancement profile, detecting a reference enhancement profile having a highly positive slope over an initial enhancement period followed by a decreasing profile portion, deriving signature curve types based on the reference enhancement profile, classifying an enhancement curve for each pixel in a selected ROI into one of the derived signature curve types using all available time points and displaying a grid-plot of the classified enhancement curves for all pixels in the selected ROI, wherein the overall display of curves and heterogeneity provides visual indication of the characteristics of the lesion.

An image processing method for an optical touch system includes the steps of obtaining an image and generating a light distribution curve pattern from the image, selecting a target signal of the light distribution curve pattern in accordance with light intensity information of the light distribution curve pattern, determining at least one rising slope and at least one falling slope of the target signal, and selecting the target signal as an object signal when the absolute values of the at least one rising slope and at least one falling slope are greater than a threshold.

The invention discloses a gradual change colorful yarn production technology. The gradual change colorful yarn production technology includes a dyeing process, a cotton blending process, an opening and cleaning process, a cotton carding process, a drawing and doubling process, a roving process and a spinning process, wherein at least three types of dyed cottons are dyed in the dyeing process, the at least three types of the dyed cottons form at least three strands of rough yarns different in color after the at least three types of the dyed cottons are respectively processed through the cotton blending process, the opening and cleaning process, the cotton carding process, the drawing and doubling process and the roving process, and the at least three strands of the rough yarns different in color form a gradual change colorful yarn after the at least three strands of the rough yarns different in color are processed in the spinning process. The gradual change colorful yarn production technology can obtain the gradual change colorful yarn by combining the more than two types of the rough yarns different in color and processing the more than two types of the rough yarns in the spinning process, and after the gradual change colorful yarn is woven into a knitted fabric or a knitted sweater, an indistinct irregular curve pattern can be presented, two colors foil each other, changes are abundant, and furthermore large color contrast can appear, a cloth cover is strong in layering sense, multicolored gloss is reflected, and personalization is strong.

The invention discloses a flexible and rigid composite busbar and a manufacturing process. The flexible and rigid composite busbar comprises at least one layer of copper plate and flexible copper bars which are welded on an input end and an output end of the at least one layer of copper plate through a welding process, wherein the copper plates are separated from each other through double-sided glue-containing insulating film; the outer surfaces of the outermost copper plates are coated with a single-sided glue-containing insulating film; and the copper plates and the insulating films are laminated together through a heat fusion process, then arranged in a fixed clamping device and placed in a heat fusion pressing machine, and superimposed together after being subjected to pressurization, heating, heat preservation and cooling according to a process curve pattern. According to the flexible and rigid composite busbar and the manufacturing process, the copper plates are connected with the flexible copper bars to form the flexible and rigid composite busbar; by utilizing the scalability and rotatability of the flexible copper bars, the field assembly and the telescopic deformation caused by heating of the busbar can be freely adjusted so as to meet the requirements of connection in different directions.

The invention provides a method for generating an animation curve and a terminal. The method comprises the steps of acquiring at least four control points, generating a curve pattern according to the at least four control points, acquiring the number of preset animation output points, determining the coordinate values of each preset animation output point on the curve pattern, and determining that the animation curve control terminal is controlled to display the curve pattern as an animation curve according to the coordinate values when the variation state of the preset animations displayed by a curve pattern control terminal conforms to the variation state of preset standard animations, wherein the variation state of the preset animations, displayed by the control terminal, conform to the variation state of the preset standard animations. The at least four control points are composed of two control points used for respectively controlling the generation of the start end and the tail end of the curve pattern, and at least two curvature control points used for controlling the generation of the curve pattern at different curvatures. The first and second coordinate axes of the curve pattern respectively correspond to a time coordinate axis and a variation-degree coordinate axis for an animation curve pattern control terminal to display preset animations.

The invention discloses a manufacture method of a light-transmitting housing. The method includes making a housing body from plastics; spraying black-out paint and forming a black-out layer on the housing body; spraying color paint and forming a color layer on the black-out layer; performing laser carving and forming specific patterns. According to the invention, by adding the step of spraying the black-out paint, light leakage and/or laser curved pattern opaque are avoided.

An apparatus and method including a multi-touch interface for card gaming includes providing a multi-touch interface for displaying a card having a hidden value. The method includes detecting a touch on the interface. The touch has a curved pattern with multiple points of contact with the interface. The curved pattern is indicative of the lateral edge of a human hand in contact with the interface, oriented to hide the card from others. The method then detects movement of the multiple points of contact sweeping over a portion of the interface to reveal the value of the card to the user.

The invention discloses a design method of a one-step molded gas bag, wherein the gas bag is designed to be weaved by a one-step molded gas bag fabric; the weave structure of a gas bag body part adopts a double-layer plain base weave; sealing edges of the gas bag form a double-layer plain tying weave by a surface warp stitching method and an inner warp stitching method; the sealing edges of the gas bag adopt a double-sealing-edge design; each sealing edge is independently woven. The invention also discloses the one-step molded gas bag designed by the design method. After the technical scheme is adopted, the design method is suitable for weaving the one-step molded gas bag fabric with a square shape, a polygonal shape, a round shape and other mixed curve pattern shape by the technical design of a sealing edge weave, the sealing edge number, widths and area weave layouts of the one-step molded gas bag fabric integrally woven by a large patterning device, and enables the one-step molded gas bag fabric to have good gas resistance, good anti-damaging performance and good weaving performance.

A semiconductor device including a semiconductor substrate in which a diode region and an IGBT region are formed is provided. In the semiconductor device, the diode region includes a second conductivity type cathode layer. An impurity concentration of second conductivity type impurities of the cathode layer is distributed in a curve pattern having at least two peaks, and the impurity concentration of the second conductivity type impurities is higher than that of first conductivity type impurities at all depths of the cathode layer.

The invention discloses a composite teaching tool of a cam mechanism and a demonstration control method of the composite teaching tool. The teaching tool comprises a box body, the cam mechanism and a demonstration control system; the demonstration control system comprises a data acquiring module, a control processing unit and a display module; the composite teaching tool is characterized in that the displacement, speed, acceleration, pressure and other data of the teaching tool are acquired and converted into a characteristic curve pattern of a displaying module, and thereby teaching objects can intuitively and specifically know rational knowledge of composition structure, movement process and movement characteristics of the cam mechanism, and the consistency of teaching of various knowledge points of the cam mechanism in the teaching experience can be improved. The method comprises the steps of data acquiring, processing and displaying. According to the method, the quantifiable result of the movement characteristics of the teaching tool is intuitively displayed by an intelligentizing process, and thus the teaching object can reach the theory level by data comparison and analyzing, and as a result, the purpose of a probe test can be reached.

A molding machine for making thermoplastic composites contains: a machine frame, a platform, a heating device, a vacuum means, and a gas barrier film. The machine frame includes a working stage. The platform is mounted on the working stage and includes channels, a curved pattern portion and plural tiny holes which are arranged on the top surface of the platform, wherein the plurality of tiny holes communicate with the channels. The platform also includes a connector fixed on one side thereof and communicating with the channels. The heating device is secured on a bottom end of the platform and heats a working material on the platform. The vacuum means is arranged in the machine frame and includes a pipe for coupling with the connector. The gas barrier film is flaky and covers the top surface of the platform.

This invention relates to an apparatus for simulating the appearance of individually laid materials, such as bricks or cobblestones, in a curved pattern in a concrete surface. The apparatus includes a flexible spine with a plurality of ribs extending from a surface of the flexible spine. The apparatus further includes a texture mat for imprinting a pattern, for example a brick surface, a stone surface or a wood grain surface, into the concrete surface. This invention also relates to a method of using of the apparatus for simulating the appearance of individually laid materials in the concrete surface.

The invention relates to a well pattern mature region underground river course sand body quick identification method. The method includes the following steps that: 1) stratum division and comparison are performed, and an isochronal stratigraphic comparison framework is established; 2) the sand body thicknesses contour line maps of each stratum are drawn; 3) under the constraint of the isochronal stratigraphic comparison framework, sedimentary microfacies interpretation is carried out based on a well logging curve pattern and rock debris data; 4) a sedimentary microfacies database is established with single strata adopted as basic units; 5) with any single stratum adopted as a research object, river course sand body identification is performed on each well on by one; 6) after all the wellsof the single stratum which is adopted as the research object all participate in comparison, river course sand body identification is performed on the next stratum until the river course sand body identification of all the single strata is completed; and 7), the identification results of all the wells of any single stratum are projected onto the sand body thickness contour line map of the single stratum according to the coordinates of the locations of the wells, with the sand body thickness contour line map adopted as a constraint, identified underground river course sand bodies are subjectedto plane combination.

The invention provides a millimeter wave two-dimensional sum-difference network, which has the advantages of small size, light weight, high structural strength and low cost. According to the technical scheme of the invention, a microstrip line conductor tape (1) and a microstrip line dielectric slab (2) are wired along a sunken shielding cavity topological curve pattern on the plate surface of a metal shielding plate (3) to form a complete millimeter wave transmission line structure; the front end and the rear end of the metal shielding plate are provided with a sum port, a pitch difference port, an azimuth difference port and a dual-difference port, the conductor tape and the microstrip line dielectric slab surround the sunken groove isolated by a middle rectangular body of the above ports through the above four input ports, extend along sunken opening grooves formed by Z-shaped isolation blocks at two ends of the rectangular body, are bent around the Z-shaped isolation blocks and a middle cylindrical isolation blocks, and extend to output ports of the Z-shaped tail-end sunken groove along the Z-shaped back-end sunken groove, and a topological structure for the millimeter wave two-dimensional sum-difference network with eight ports is formed.

A chemical mechanical polishing (CMP) conditioner includes a ceramic substrate having a major surface, and an abrasive coating overlying the major surface. The major surface can include micro-protrusions arranged in a curved pattern. Alternatively, the micro-protrusions can be arranged in an irregular pattern.

It is an object of the invention to provide a reverse rotation preventing electronic cam curve generating method of an electronic cam type rotary cutter control which serves to prevent the reverse rotation of a cutter.

According to the invention, there is provided an electronic cam curve parameter setting unit 28 for previously calculating a critical cutting length L_jag from which an electronic cam curve passing through a point having an acceleration of 0 and a speed of 0 is obtained by setting a rotor diameter r of a rotary cutter 5, the number of blades M disposed at regular intervals on a rotor, synchronizing speed coefficients β₁ and β₂ for regulating synchronizing speeds in cutting, and synchronizing angles θ₁ and θ₂, comparing the critical cutting length L_jag with a set cutting length L_set of a processed product set by an operator, and generating an electronic cam curve pattern for preventing a reverse rotation when the set cutting length L_set is greater.

The invention discloses a forklift brake distance detection method and device. The technical scheme is that the function of S varying with time, S=S(t), is obtained by adopting the laser ranger finder by virtue of the distance S value from a measurement plate to a measurement basis of a laser range finder in the process that a forklift moves in uniform motion at the maximal speed, then brakes in uniform deceleration until the forklift stops by utilizing a brake distance automatic calculation module according to the real-time collection; then automatic derivation of S(t) is carried out, thus the function of speed and time V=V(t) in the process that the forklift runs to the brake stopping at the maximal speed in uniform motion is obtained; and according to a speed function curve, the running speed V and braking time t in the braking process of the forklift in uniform motion can be obtained, wherein the brake distance automatic calculation module can obtain the braking distance S in braking according to a uniform deceleration motion distance formula. The brake distance automatic calculation module is connected with a printer, and data information and function curve patterns in the whole process can be printed in real time as required.