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Method and apparatus for performing quick search of path display terminal

A method and apparatus for performing a quick search of a path display terminal are provided. The quick search device of a path display terminal comprises: a vehicle position display unit for displaying a position of a vehicle on a map generated based on map data; a quick search display unit for displaying a quick search area for inputting a search word in a portion of the map; a search unit for searching for a destination corresponding to the search word; and a path display unit for generating and displaying a path from the vehicle position to the destination.




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Encryption keypad capable of preventing illegal disassembly

An enhanced encryption keypad (100) capable of preventing illegal disassembly for an automated teller machine comprises a key panel (101) and a main control board (102). A removal detection protection circuit is disposed inside a main chip of the main control board (102), and at least one pin of the removal detection protection circuit is guided out from a surface (1021) of a side of the main control board (102) near the key panel to form a removal detection point (1022). The removal detection point (1022) has two opened signal contact points. The two opened signal contact points are conducted by a conductive adhesive (103) to activate the removal detection protection circuit. A conductive protection ring (1023) isolated from the removal detection point is disposed at the periphery of the removal detection point. The conductive protection ring (1023) is connected to the removal detection protection circuit inside the main control chip. A protection circle (1024) is disposed at the periphery of the conductive protection ring and the corresponding conductive adhesive. The present application effectively protects the encryption keypad from illegal attacks on the removal detection point from the side.




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Measuring properties and amount of producible oil in shale-oil reservoir samples

The subject matter of the present disclosure is directed to developing a method of measuring the amount of producible oil and the producible oil saturation in shale-oil reservoirs using sample source rock. Further, the physical and chemical properties and amounts of producible oil in shale-oil reservoir samples may be determined. First and second solvents are applied to a sample source rock to extract petroleum from the sample source rock. The extracted source rock, the twice-extracted source rock, and the first and second extracted petroleum may be analyzed to determine the characteristics and properties of the reservoir rock.




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Methods and systems for determining the presence or amount of testosterone in a sample

Disclosed are methods and systems for the analysis of testosterone in a sample using supported liquid extraction and liquid chromatography-mass spectrometry.




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System and method for the analysis of DNA sequences in biological fluids

A method for detecting electromagnetic waves derived from bacterial DNA, comprising extracting and purifying nucleic acids from a sample; diluting the extracted purified nucleic acids in an aqueous solvent; measuring a low frequency electromagnetic emission over time from the diluted extracted purified nucleic acids in an aqueous solvent; performing a signal analysis of the low frequency electromagnetic emission over time; and producing an output, based on the signal analysis, in dependence on the DNA in the sample. The DNA may be extracted from at least one of blood, feces, urine, saliva, tears, seminal fluid, sweat, seminal and vaginal fluids of a patient, or water to determine, e.g., potability. The samples may be frozen. The extracting and purifying may comprise diluting the sample with an aqueous buffer and mixing; degrading proteins in the diluted sample; precipitating DNA from the buffer solution; and resuspending the precipitated DNA in an aqueous solution.




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Preparation of an optical PH sensor based on fluorescein and 1-heptanesulfonic acid sodium Co-intercalated layered double hydroxide

This invention relates to the field of preparation technology of optical pH sensor by co-intercalated fluorescein and 1-heptanesulfonic acid sodium into layered double hydroxide. The sensor is composed by conductive materials and the surface LDH films by co-interacted FLU and HES. The synthesis method is: first: synthesis of LDH colloid suspension, subsequently, the FLU and HES co-intercalated LDH colloid solution was prepared following the ion-exchange method, then the thin film of FLU-HES/LDH was spreaded on the surface of the conductive material by electrophoretic deposition, and the oriental pH sensor was synthesized. The advantages of the present invention is: first, the LDH matrix provides chromophore molecules with a confined and stable environment; the novel electrophoretic deposition strategy in this work provides a method for precise control of thickness (ranging from nanometers to micrometers), and the oriental pH sensor show good pH responsive.




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Use and making of biosensors utilizing antimicrobial peptides for highly sensitive biological monitoring

A biosensor and method of making are disclosed. The biosensor is configured to detect a target and may include a peptide immobilized on a sensing component, the sensing component having an anode and a cathode. The immobilized peptide may comprise an antimicrobial peptide binding motif for the target. The sensing component has an electrical conductivity that changes in response to binding of the immobilized peptide to the target. The immobilized peptide may bind one or more targets selected from the list consisting of: bacteria, Gram-negative bacteria, Gram-positive bacteria, pathogens, protozoa, fungi, viruses, and cancerous cells. The biosensor may have a display with a readout that is responsive to changes in electrical conductivity of the sensing component. The display unit may be wirelessly coupled to the sensing component. A resonant circuit with an inductive coil may be electrically coupled to the sensing component. A planar coil antenna may be disposed in proximity to the resonant circuit, the planar coil antenna being configured to provide power to the sensing component.




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Functionalised polymers for binding metal surfaces

Disclosed are polyvalent macromolecules, compositions comprising the macromolecules, and methods of use. The polyvalent macromolecules have a polymer backbone and pendent groups attached to the polymer backbone. Some or all of the pendent groups have optionally a linker, a surface-seeking group capable of binding strongly to a metal surface, and a spectroscopically detectable chromophore detectable.




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Molecularly imprinted polymer sensor systems and related methods

A molecularly imprinted polymer (MIP) sensor including a substrate, two or more electrodes, a conductive layer applied to the substrate and a molecularly imprinted polymer layer applied to the conductive layer is disclosed herein The MIP sensor may form part of an MIP sensor system that can be used to detect and quantify target molecules.




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Biosensor

The present application provides apparatus and methods for determining the density of a fluid sample. In particular, it provides a sensor device which can be loaded with a fluid sample such as blood, and which further comprises at least one oscillating beam member or resonator. Exposure of the blood sample to clotting agents allows a clotting reaction to commence. The device allows the density of the sample fluid to be monitored with reference to the oscillation of the vibrating beam member, thus allowing the monitoring of the clotting of the fluid sample.




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Diabetes-related biomarkers and methods of use thereof

The invention describes biomarkers which can be used to predict the likelihood that an individual will develop Diabetes. The biomarkers can also be used to screen large groups in order to identify individuals at risk of developing Diabetes.




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Method of detecting pancreatic disease and pancreas testing kit

A pancreatic disease is tested for with high sensitivity even with simple equipment and a simple procedure. Provided is a method of detecting pancreatic disease including detecting a concentration of S100P in at least one of a pancreatic juice and a body fluid containing pancreatic juice collected from a test subject by immunochromatography. Additionally provided is a pancreas testing kit including an immunochromatography device that holds an anti-S100P antibody and a collection vessel that retains a protease inhibitor that inhibits an activity of a protease contained in the pancreatic juice.




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Biosensors

A chemiresistive biosensor for detecting an analyte can include a high specific surface area substrate conformally coated with a conductive polymer, and a binding reagent immobilized on the conductive polymer, wherein the binding reagent has a specific affinity for the analyte. The conductive polymer can be deposited on a substrate by oCVD.




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Self-metering system and testing device with casing and sliding member to cut-off and set sample volume

A testing cartridge for metering of a sample to be tested. The testing cartridge includes a casing defining a casing opening and a sliding member defining a sliding member opening. The casing opening or the sliding member opening can define a specified volume, wherein the casing opening and the sliding member opening collectively define a sample application region dimensioned to accommodate receiving an amount of sample exceeding the specified volume. The sliding member is movable transversely to the casing opening by having the sliding member and the casing traverse across each other's respective openings to remove excess sample from the received amount of sample and retain the specified volume from the received amount of sample.




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Use of diazolidinyl urea for anti-clumping of biological samples

The present invention provides methods for preventing clumping of cells in microfluidic devices by addition of diazolidinyl urea (DU). DU can be added to samples at the time of collection or can be added to samples post-collection. DU can also be pre-added to sample collection devices.




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High-temperature furnace, use of a spinel ceramic and method for carrying out T(O)C measurements of samples

The present invention relates to a high-temperature furnace for T(O)C measurement of a sample, which has a furnace housing which bounds a vaporization space and has a sample opening for the dropwise introduction of the sample and at least one flushing opening for introduction of a flushing liquid. According to the invention, the furnace housing is lined with a spinel ceramic on an inner side facing the vaporization space. By means of the spinel ceramic, the vaporization space is lined with a material which allows particularly high temperatures within the vaporization space and thus very complete combustion and is at the same time very resistant to temperature changes. This allows cleaning with a flushing liquid at essentially the operating temperature of the vaporization space and removal of deposited salts, in particular recrystallized organic salts, from the vaporization space in the flushing liquid in dissolved or undissolved form. Aging of the high-temperature furnace by deposited salts can thereby be avoided or at least significantly retarded.




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Binding layer and method for its preparation and uses thereof

The invention provides a binding layer comprising a polysaccharide substituted by carboxylic groups or derivatives thereof exhibiting high performance in the binding of ligand molecules and in the interaction thereof with analyte molecules. A method for the preparation of the binding layer and for the assaying of various analyte molecules is also provided.




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Hook assembly for use with a power tool

A hook assembly includes an end cap having an outer periphery. The end cap is configured to be connected to a power tool. A hook is rotatably coupled to the outer periphery of the end cap. An O-ring is positioned between the outer periphery of the end cap and the hook. A protrusion is included on one of the outer periphery of the end cap and the hook to frictionally engage the O-ring to secure the hook in at least one selected rotational position relative to the end cap.




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Resistive heated surgical staple cartridge with phase change sealant

An apparatus for endosurgical use includes an instrument having an end effector and a staple cartridge insertable into the end effector. The staple cartridge includes staples, staple apertures, a resistive member, and a medical fluid. When coupled to a power source, the medical fluid is vaporized by the resistive member and expelled out the staple apertures onto the stapled tissue. The power source may be contained within the instrument. In one configuration, a resistive strip with strip contacts may electrically couple to a conductor in the end effector. The medical fluid may also be divided into a plurality of sealant pads corresponding to the staple apertures, and the medical fluid may be a depolymerizable cyanoacrylate, a sprayable thermoplastic urethane, or any vaporizable medicament or pharmaceutical. The staple drivers may include one or more apertures to permit the medical fluid to pass through or around the staple drivers.




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System and method for manufacturing semiconductor device

According to one embodiment, a system for manufacturing a semiconductor device includes a spontaneous joining unit and a deformative joining unit. The spontaneous joining unit overlaps a first substrate and a second substrate and spontaneously joins mutual center portions of respective joint faces of the first substrate and the second substrate. The deformative joining unit deforms at least one peripheral portion of the respective joint faces of the first substrate and second substrate joined by the spontaneous joining unit toward the other peripheral portion and joins the mutual peripheral portions of the respective joint faces.




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Multi-use loading unit

A cartridge assembly is disclosed. The cartridge assembly includes a channel and a removable assembly in releasable engagement with the channel. The removable assembly includes a cartridge body and a support plate. The cartridge body includes an engagement structure disposed adjacent a proximal end thereof. The support plate is configured to mechanically engage the cartridge body and includes an engagement structure disposed adjacent a proximal end thereof. The engagement structure of the cartridge body is configured for longitudinal alignment with the engagement structure of the support plate. The engagement structures of the cartridge body and the engagement structure of the support plate are configured to mechanically engage the engagement structure of the channel when the removable assembly is engaged with the channel.




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Anvil-mounted dissecting tip for surgical stapling device

A surgical stapling device including a handle assembly, an endoscopic portion and an end effector is disclosed. The endoscopic portion extends distally from the handle assembly and defines a first longitudinal axis. The end effector defines a second longitudinal axis and includes an anvil assembly and a cartridge assembly. The anvil assembly is supported adjacent a distal end of the endoscopic portion and includes a dissecting tip extending therefrom. The cartridge assembly is pivotably mounted adjacent the distal end of the endoscopic portion. The cartridge assembly is mounted for pivotal movement in relation to the anvil assembly between open and approximated positions.




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Surgical fastener-applying apparatuses with sequential firing

A surgical fastening instrument is provided. The surgical fastening instrument includes a handle portion and an elongate portion extending distally from the handle portion and defining a longitudinal axis along a length thereof. The surgical fastening instrument also includes an end effector assembly that includes an anvil and a cartridge supported adjacent a distal end of the elongate portion. Each of the anvil and the cartridge includes a tissue contacting surface oriented substantially perpendicular to the longitudinal axis. One or more independently movable pushers is configured to support one or more surgical fasteners. A thrust bar is operatively coupled to the elongate portion, wherein the thrust bar is movable over a predetermined stroke to effect sequential ejection of at least two surgical fasteners of the plurality of surgical fasteners from the cartridge.




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Circular stapler with increased lumen diameter

A surgical stapling device is provided having a shell assembly including an outer housing portion having areas of varying wall thicknesses. Individual staple pockets in a row of staple pockets are positioned in areas of thinner wall thicknesses. Areas of increased wall thicknesses form longitudinally extending strengthening ribs along an inner surface of the outer housing portion. The longitudinally extending strengthening ribs may be solid, indented in the wall of the outer housing portion and or bisected by a slot extending through the outer housing portion.




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Surgical stapling apparatus including sensing mechanism

A surgical stapling device particularly suited for endoscopic procedures is described. The device includes a handle assembly and an elongated body extending distally from the handle assembly. The distal end of the elongated body is adapted to engage a disposable loading unit. A control rod having a proximal end operatively connected to the handle assembly includes a distal end extending through the elongated body. A control rod locking member is provided to prevent movement of the control rod until the disposable loading unit is fully secured to the elongated body of the stapling device.




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Liquid composition and ink set, and image-forming process and apparatus using the same

Disclosed herein is a colorless or pale-colored liquid composition comprising a cationic substance, wherein the liquid composition contains in combination a cationic substance and a nonionic polymeric substance.




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Selective MMP inhibitors having reduced side-effects

The subject invention pertains to matrix metalloproteinase (MMP) inhibitors that exhibit an IC50 of below 10−4M against MMP and have substantially no activity against non-MMP metalloproteinase-related events. The MMP inhibitors of the invention have reduced side-effects, especially with respect to joint pain.




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Chemically-modified peptides, compositions, and methods of production and use

Compositions and methods for inhibiting and controlling the growth of microbes are disclosed. The composition comprises at least one chemically-modified peptide with antimicrobial activity and at least one carrier. The method comprises of administering an amount, effective for the prevention, inhibition and termination of microbial growth for industrial, pharmaceutical, household and personal care use.




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Shaped body made of fiber-reinforced composites having a segmented covering layer, its production and its use

The present invention relates to shaped bodies made of fiber-reinforced ceramic composites and comprising a core zone and at least one covering layer which has a coefficient of thermal expansion which is higher than that of the core zone. The covering layer is an SiC-rich covering layer and is divided into segments which are separated from the adjacent segments by gaps or bridging zones of a material which is different from the material of the segments. The invention also relates to a process for producing such shaped bodies by infiltration of an intermediate body with molten silicon and their use for friction disks, in vehicle construction or as protective plates.




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Fiber-reinforced material composed, at least in a surface region, of a metal/ceramic composite, molding composed of the fiber-reinforced material and method of producing the fiber-reinforced material

A method is provided for producing a fiber-reinforced material which is composed, at least in a region of a surface layer, of a ceramic composite and has carbon-containing fibers reaction-bonded to a matrix containing the elements Si and C. In particular a method of producing fiber-reinforced silicon carbide is provided in which a structure of a matrix contains cracks and/or pores, at least at ambient temperature, because of a high thermal expansion coefficient compared with that of the fibers. Metals are selectively electrodeposited in the open pores and cracks of the matrix and, in particular, in a region of the electrically conductive reinforcing fibers. As a result, the open pores and cracks are filled and, in addition, metallic top layers are optionally formed that are firmly keyed to the ceramic composite and that may serve as an interlayer for glass top layers or ceramic top layers. A fiber-reinforced composite material, as well as moldings, in particular brake discs, brake linings or clutch plates, composed of such a composite material, are also provided.




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Metallocenes containing ligands of 2-substituted indenyl derivatives, process for their preparation, and their use as catalysts

The novel metallocenes of the formula I in which, preferably, M1 is Zr or Hf, R1 and R2 are alkyl or halogen, R3 and R4 are hydrogen, R5 and R6 are alkyl or haloalkyl, —(CR8R9)m—R7—(CR8R9)n— is a single- or multi-membered chain in which R7 may also be a (substituted) hetero atom, m+n is zero or 1, and R10 is hydrogen, form, together with aluminoxanes as cocatalysts, a very effective catalyst system for the preparation of polyolefins of high stereospecificity and high melting point.




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Sliding element for seals and their process of manufacturing

Sliding element for seals includes 25 to 75 weight % carbonaceous impalpable powdery aggregate of non-graphitizing carbon and/or graphitizing carbon and 20 to 50 weight % synthetic resin as binder. The sliding element is blended with the range of 5 to 25 weight % carbonaceous carbon fibers without surface treatment and inside the carbon matrix, the carbon fibers are randomly scattered.




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Process for purifying off-gases of a melamine plant

A two-stage process is provided for purifying off-gases from a high-pressure melamine plant. In the first stage, the off-gases are contacted with a recirculated urea melt containing melamine precursors and NH3. In the second stage, the off-gases are contacted with a fresh urea melt.




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Process for the selective deprotonation and functionalization of 1-fluoro-2-substituted-3-chlorobenzenes

1-Fluoro-2-substituted-3-chlorobenzenes are selectively deprotonated and functionalized in the position adjacent to the fluoro substituent.




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Dicarbanionic initiator, a process for the preparation and use thereof

The present invention provides a novel dicarbanionic initiator of formula (I). The present process further provides a process for the preparation of dicarbanionic initiator of formula (I) comprising reacting 1-bromo-4-(4'-bromophenoxy)-2-pentadecyl benzene of formula (II) with alkyllithium compound for an effecting halogen-lithium exchange reaction of 1-bromo-4-(4'-bromophenoxy)-2-pentadecyl benzene with sec-butyllithium in the presence of a non polar solvent, at a temperature in the range of 0 to 25° C. and its use as an initiator for the synthesis of telechelic polydienes and polystyrenes and SBS or SIS triblock copolymers.




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Process for the preparation of pure aryllithium compounds and their use

A process is described for preparing aryllithium compounds by reaction of metallic lithium in an ether-containing solvent with an aryl halide, wherein prior to or at the beginning of the reaction a catalyst is added, the catalyst containing a halogen-free, polynuclear aromatic (aryl catalyst) or consisting of such a compound.




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Strontium precursor for use in chemical vapor deposition, atomic layer deposition and rapid vapor deposition

A method of depositing a crystalline strontium titanate film on a substrate is provided, comprising carrying out an atomic layer deposition (ALD) process with strontium and titanium precursors, wherein the strontium precursor is bis(n-propyltetramethylcyclopentadienyl)strontium.




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Motor lamination notching apparatus and method with selectively positionable punches

A notching apparatus for notching both an outer lamination and an inner lamination from a single lamination blank at s single station using a single press device includes a multi-piece die assembly provides multiple outer slot punches, multiple inner slot punches, and a separator punch. The outer slot punch portion, inner slot punch portion, and separator punch portion of the multi-piece die assembly are all selectively positionable in respective punching positions and non-punching positions to facilitate a controlled notching operation.




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In-line automated dual or selective multi-hole punch

A device and method for creating multiple punch holes during a finishing process of paper sheets and other sheet materials. The improved sheet punch including two rotatable punches set at different angles such that when one intersects the sheet path, the other clears the sheet path. The speed of rotation is controlled such that the non-selected punch intersects the sheet path in a space between pitches.




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In-line automated perforation method using selective multi-hole punch

A method for creating multiple punch holes during a finishing process of paper sheets and other sheet materials. A highlight of the present invention is the ability to select between at least two configurations of punch holes automatically, without manual adjustment, and “on-the-fly” without interruption of the sheet or paper flow. The perforation method utilizes two rotatable punches set at different angles such that when one intersects the sheet path, the other clears the sheet path. The speed of rotation is controlled such that the non-selected punch intersects the sheet path in a space between pitches.




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Sequential punch press with complementary sliding plates

A sequential punch press includes an upper die (10), a lower die (90), and an adjusting device (60) in the upper die. The upper die sequentially includes a punch set (20), a punch pad (30), a punch holder (40), and a stripper (50). A punch (70) is vertically and movably secured in the punch holder and received in the stripper. The adjusting device includes first and second sliding plates (64, 66) respectively having protrusions (65b, 67b), a piston cylinder (68) having a piston rod (682) fixedly connected with the first sliding plate, and a programmable controller for causing the piston rod to slidingly move the first sliding plate. When the first protrusions opposingly abut the second protrusions, the punch can extend beyond the stripper to punch a workpiece. When the first protrusions do not opposingly abut the second protrusions, the punch cannot extend beyond the stripper to punch the workpiece.




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Offset diecut stack

A stack of alternating sheets includes repeating diecuts offset among the sheets. The sheets may be made from a continuous web using a die to cut the repeating diecuts along the running axis of the web. Individual sheets are cut from the web and stacked with the diecuts offset from each other in turn. The stack of sheets may be loaded into a printer and fed individually therethrough, with the offset diecuts preventing interlocking therebetween.




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D/A conversion circuit and semiconductor device

A D/A conversion circuit with a small area is provided. In the D/A conversion circuit, according to a digital signal transmitted from address lines of an address decoder, one of four gradation voltage lines is selected. A circuit including two N-channel TFTs is connected in series to a circuit including two P-channel TFT, and a circuit including the circuits connected in series to each other is connected in parallel to each of the gradation voltage lines. Further, an arrangement of the circuit including the two N-channel TFTs and the circuit including the two P-channel TFTs is reversed for every gradation voltage line. By this, the crossings of wiring lines in the D/A conversion circuit becomes small and the area can be made small.




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Manufacturing method for the hole-punching assembly of a hole-punching unit

An improved manufacturing method for the hole-punching assembly of a hole-punching unit is disclosed. The method of the present invention comprises the following steps: (1) forming a plurality of aluminum balancing pieces with a rectangular shape by extrusion, and forming an indentation area on one side of each balancing piece; (2) forming an elongated slot by an application of stamping on the indentation area of each balancing piece; (3) obtaining a plurality of rectangular pieces (the number of which equals that of the balancing pieces), made of iron, and forming a row of holes by a single application of stamping on each rectangular piece; and (4) fitting each of the rectangular pieces onto the indentation area of a balancing piece, and connecting the balancing pieces together by screws or bolts. The manufacturing method can lower the production cost and simplify the production process of the hole-punching assembly.




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Tool selection method for machine tool, control device, and numerically controlled lathe

A tool selection method, for a machine tool, comprising the steps of identifying the maximum tip distance (D2) of a currently selected tool (141), a next designated tool (142) and an intermediate tool (143) disposed therebetween; moving a tool rest (10) in the +(plus)X-axis direction after a machining by the currently selected tool (141) is completed until the tip of the currently selected tool (141) is spaced from a workpiece (W) along the X-axis by a distance provided by adding a clearance distance (E) to a difference between the maximum tip distance (D2) and the tip distance (D3) of the currently selected tool (141); moving the tool rest (10) in the +(plus)Y-axis direction until the tip of the next designated tool (142) is aligned with the rotation center axis (12a) of the workpiece (W) in the X-axis direction; and moving the tool rest (10) in the −(minus)X-axis direction.




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System and method for tool use management

The present invention provides a system and method for tool use management wherein a CNC machine retains information identifying the tools associated with the machine as well as their current locations (if any), and executes an algorithm for determining the source tools needed by a part program and matching the source tools with the available tools.




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Multiple punch and die assembly providing hand disassembly, punch length adjustment and replacement

A multiple punch and multiple die assembly has a workpiece protector which is a punch lifter that is operatively associated with each punch for supporting each of the punches in an inactive position as an active punch is moved by the ram to the active, i.e. operating position to thereby eliminate scoring or marking of the sheet material or other workpiece that is being punched. To eliminate the need for hand tools and hand assembly or disassembly, a manually moveable retainer on the punch assembly is provided that can be moved by hand between a punch-releasing and punch-retaining position for holding the punches within the multi-punch assembly during operation. To prevent stress fractures that formerly occurred in die carriers, support of each die is distributed between two different die components thereby reducing impact stress on the carrier as the ram drives the punch through the workpiece.




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Tool selection method for machine tool, control device, and numerically controlled lathe

A tool selection method, for a machine tool, comprising the steps of identifying the maximum tip distance (D2) of a currently selected tool (141), a next designated tool (142) and an intermediate tool (143) disposed therebetween; moving a tool rest (10) in the +(plus)X-axis direction after a machining by the currently selected tool (141) is completed until the tip of the currently selected tool (141) is spaced from a workpiece (W) along the X-axis by a distance provided by adding a clearance distance (E) to a difference between the maximum tip distance (D2) and the tip distance (D3) of the currently selected tool (141); moving the tool rest (10) in the +(plus)Y-axis direction until the tip of the next designated tool (142) is aligned with the rotation center axis (12a) of the workpiece (W) in the X-axis direction; and moving the tool rest (10) in the −(minus)X-axis direction.




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Multiple punch and die assembly providing hand disassembly, punch length adjustment and replacement

A multiple punch and multiple die assembly has a workpiece protector as a punch lifter that is operatively associated with each punch for supporting each of the punches in an inactive position as an active punch is moved by the ram to the active, i.e. operating position to thereby eliminate scoring or marking of the sheet material or other workpiece that is being punched. To eliminate the need for hand tools and hand assembly or disassembly, a manually moveable retainer on the punch assembly is provided that can be moved by hand between a punch-releasing and punch-retaining position for holding the punches within the multi-punch assembly during operation. To prevent stress fractures that formerly occurred in die carriers, support of each die is distributed between two different die components thereby reducing impact stress on the carrier as the ram drives the punch through the workpiece.




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Multiple punch and die assembly

A multiple punch and multiple die assembly has a workpiece protector which is a punch lifter that is operatively associated with each punch for supporting each of the punches in an inactive position as an active punch is moved by the ram to the active, i.e. operating position to thereby eliminate scoring or marking of the sheet material or other workpiece that is being punched. To eliminate the need for hand tools and hand assembly or disassembly, a manually moveable retainer on the punch assembly is provided that can be moved by hand between a punch-releasing and punch-retaining position for holding the punches within the multi-punch assembly during operation. To prevent stress fractures that formerly occurred in die carriers, support of each die is distributed between two different die components thereby reducing impact stress on the carrier as the ram drives the punch through the workpiece.