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Rotary electrical machine with excitation provided with a digital regulator device

The rotary electrical machine is capable of functioning as a generator and outputs a continuous output voltage (Ub+) that is adjustable by an excitation current. The digital regulator (2) of the machine comprises an excitation current control means (7) and a control loop (6) that includes a device (10) for measurement, by sampling, of the output voltage (Ub+), the measurement device generating a signal sampled at a predetermined first sampling frequency (F1 e). The machine has a bandwidth that is limited by a predetermined first cutoff frequency (F1 c). The measurement device includes an apparatus for oversampling such that the first sampling frequency (F1 e) is greater than twice the first cutoff frequency (F1 c), and the control loop also includes an apparatus (12) for decimating the sampled signal.




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Method and apparatus for manipulating single cells and small aggregates thereof

A well, in particular an open well (14) with an upper end having a vertical axis (101), for containing a liquid and particles contained within said liquid, characterized by comprising at least two manipulation electrodes (1, 2, 3, 31, 32, 36, 17, 40, 41) able to be powered by electrical voltages, in particular alternating electrical voltages, so as to manoeuvre particles within the well by means of the dielectrophoretic effect. A platform comprising a plurality of wells as described above and a method for using said well.




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Semiconductor devices with heterojunction barrier regions and methods of fabricating same

An electronic device includes a silicon carbide layer including an n-type drift region therein, a contact forming a junction, such as a Schottky junction, with the drift region, and a p-type junction barrier region on the silicon carbide layer. The p-type junction barrier region includes a p-type polysilicon region forming a P-N heterojunction with the drift region, and the p-type junction barrier region is electrically connected to the contact. Related methods are also disclosed.




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Transistors having features which preclude straight-line lateral conductive paths from a channel region to a source/drain region

Some embodiments include transistors having a channel region under a gate, having a source/drain region laterally spaced from the channel region by an active region, and having one or more dielectric features extending through the active region in a configuration which precludes any straight-line lateral conductive path from the channel region to the source/drain region. The dielectric features may be spaced-apart islands in some configurations. The dielectric features may be multi-branched interlocking structures in some configurations.




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Method for regulating a web tension in a processing machine

A method for regulating a web tension in a processing machine for processing a product web, in particular a shaftless printing press, includes separating a first product-web section from a second product-web section by a delay section. The web tensions in the first and second product-web sections are influenced by first and second actuators, respectively. To regulate the web tension in the first product-web section, the method further includes defining a regulation output value from which an actuating command for the first actuator is derived. An actuating command for the second actuator is defined from the regulation output value and a delay element to decouple the web tension in the second product-web section from the regulation of the web tension in the first product-web section. The delay element delays the effect of the regulation output value on the actuating command for the second actuator by a delay time.




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Apparatus and method for expanding operation region of power amplifier

An apparatus for amplifying power is provided. The apparatus includes a supply modulator for generating a supply voltage based on an amplitude component of a transmission signal, and a power amplify module for amplifying power of the transmission signal using the supply voltage, wherein the power amplify module includes a first power amplifier and a second power amplifier, and when an output power of the transmission signal is greater than a reference power, the first power amplifier amplifies the power of the transmission signal using the supply voltage, and when the output power of the transmission signal is equal to or less than the reference power, the second power amplifier amplifies the power of the transmission signal using the supply voltage.




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Process and apparatus for impregnating a product obtained by cutting a continuous web

The invention relates to a method for the impregnation of a product consisting of fibrous material and formed from a continuous web (22), the method comprising at least one first step of cutting out a specific zone (24) of the continuous web (22) and at least one second step of applying an impregnation product to the specific zone (24), the first and second steps being carried out simultaneously or virtually simultaneously.




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Pressure regulating valve

In order to achieve seal durability and bring about a damping action for a piston-type pressure regulating valve, a pressure regulating valve of the present invention is characterized by a valve moving member moving in such a manner as to cause communication or block communication between a primary chamber and a secondary chamber within a case, wherein a plurality of central members are arranged between the case and the valve moving member and the plurality of central members are taken to be different materials. It is then possible to bring about both a damping action and seal durability using the central members by providing central members of different materials.




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Hydraulic system with bi-directional regeneration

A hydraulic actuator system including an actuator and a valve assembly configured for bi-directional regeneration. The actuator may include a hollow body and a rod disposed within and extending outwardly from the hollow body. The rod may include a first chamber within the rod and a piston disposed at one end of the rod, defining a second chamber and a third chamber within the hollow body. A valve assembly may be in fluid communication with a first conduit, a second conduit, the first chamber, the second chamber, and the third chamber, wherein the valve assembly is configured to selectively couple one of the first conduit and the second conduit to one or more of the first port, the second port, and the third port, wherein one of the first conduit and the second conduit is configured as a pressure source.




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System and method for multi-phase voltage regulation

In accordance with one embodiment of the present disclosure, a multi-phase voltage regulator may comprise a plurality of phases, each phase configured to supply electrical current to one or more information handling resources electrically coupled to the voltage regulator. A controller may be electrically coupled to the plurality of phases. The controller may designate at least one of the plurality of phases as a first state phase, and designate each of the plurality of phases not designated as a first state phase as a second state phase. The controller may alternate the designation of at least two of the plurality of phases between a first state phase and a second state phase. Each first state phase may be configured to supply a first electrical current regardless of electrical current demand. Each second state phase may be configured to supply a second electrical current based on the current demand.




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Voltage regulator with current limiter

A voltage regulator includes an amplifier having a first input coupled to a first reference voltage and a second input coupled to a voltage feedback signal; a multiplexer having a first input coupled to an output of the amplifier, a second input coupled to a voltage clamp signal, and a control input; and a control circuit having a first input coupled to an over current indicator, a second input coupled to a no over voltage indicator, a third input coupled to a timer signal, and an output coupled to the control input of the multiplexer.




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Method and apparatus for optimizing linear regulator transient performance

A voltage regulator compensation circuit provides power to a dynamic load and includes a power transistor configured to drive the dynamic load, a reference determining transistor configured to establish a voltage reference proportional to a regulated output voltage of the power transistor, and a control circuit coupled to a gate input of both the power transistor and the reference determining transistor. Also included is a comparison engine configured to compare the regulated output voltage and the voltage reference, and a current consuming transistor operatively coupled to an output of the power transistor and configured to provide a varying secondary load. The comparison engine is configured to control the current consuming transistor to increase current draw or decrease current draw from the power transistor based on the difference between the regulated output voltage and the voltage reference.




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Charge pump regulator circuit with a variable drive voltage ring oscillator

A charge pump regulator circuit includes a voltage controlled oscillator and a plurality of charge pumps. The voltage controlled oscillator has a plurality of inverter stages connected in series in a ring. A plurality of oscillating signals is generated from outputs of the inverter stages. Each oscillating signal has a frequency or amplitude or both that are variable dependent on a variable drive voltage. Each oscillating signal is phase shifted from a preceding oscillating signal. Each charge pump is connected to a corresponding one of the inverter stages to receive the oscillating signal produced by that inverter stage. Each charge pump outputs a voltage and current. The output of each charge pump is phase shifted from the outputs of other charge pumps. A combination of the currents thus produced is provided at about a voltage level to the load.




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Switching regulator

A disclosed switching regulator includes a speed-up circuit for speeding up an operation of an error amplifier circuit during the time starting from when a switching element is turned OFF based on an output of an abnormality detection circuit, or starting from a fixed period of time after the switching element is turned OFF based on the output of the abnormality detection circuit, until the next time the switching element is again turned OFF based on an output of a PWM comparison circuit.




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Pseudo constant on time control circuit and step-down regulator

A step-down regulator comprising a pseudo constant on time control circuit is disclosed, comprising an on-time generator configured to receive a switching signal provided by the step-down regulator and a control signal provided by the pseudo constant on time control circuit, and generates an on-time signal; a feedback control circuit configured to receive a feedback signal representative of the output voltage of the step-down regulator and generate an output signal; and a logic control circuit coupled to the on-time generator and the feedback control circuit to receive the on-time signal and the output signal and generating the control signal, and a power stage configured to receive an input voltage and the control signal and generate the switching signal.




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Low-dropout voltage regulator

A low-dropout voltage regulator includes a power transistor configured to receive an input voltage and to provide a regulated output voltage at an output voltage node. The power transistor includes a control electrode configured to receive a driver signal. A reference circuit is configured to generate a reference voltage. A feedback network is coupled to the power transistor and is configured to provide a first feedback signal and a second feedback signal. The first feedback signal represents the output voltage and the second feedback signal represents an output voltage gradient. An error amplifier is configured to receive the reference voltage and the first feedback signal representing the output voltage. The error amplifier is configured to generate the driver signal dependent on the reference voltage and the first feedback signal. The error amplifier includes an output stage that is biased with a bias current responsive to the second feedback signal.




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Control system with regenerative heat system

An exoatmospheric vehicle uses a control system that includes a thrust system to provide thrust to control flight of the vehicle. A regenerative heat system is used to preheat portions of the thrust system, prior to their use in control of the vehicle. The heat for preheating may be generated by consumption of a fuel of the vehicle, such as a monopropellant fuel. The fuel may be used to power a pump (among other possibilities), to pressurize the fuel for use by thrusters of the thrust system. The preheated portions of the thrust system may include one or more catalytic beds of the thrust system, which may be preheated using exhaust gasses from the pump. The preheating may reduce the response time of the thrusters that have their catalytic beds preheated. Other thrusters of the thrust system may not be preheated at all before operation.




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Use of PNC tools to determine the depth and relative location of proppant in fractures and the near borehole region

Methods are provided for identifying the location and height of induced subterranean formation fractures and the presence of any associated frac-pack or gravel pack material in the vicinity of the borehole using pulsed neutron capture (PNC) logging tools. The proppant/sand used in the fracturing and packing processes is tagged with a thermal neutron absorbing material. When proppant is present, increases in detected PNC formation and/or borehole component cross-sections, combined with decreases in measured count rates, are used to determine the location of the formation fractures and the presence and percent fill of pack material in the borehole region. Changes in measured formation cross-sections relative to changes in other PNC parameters provide a relative indication of the proppant in fractures compared to that in the borehole region.




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Device for compensating deviations from a coaxial arrangement of components of a regulating organ to control the gas pressure of a coke oven chamber

A device for compensating deviations from a coaxial arrangement of components of a regulating organ, said regulating arrangement being comprised of a regulating organ, a crown pipe, and an immersion cup which serve for controlling the gas pressure of a coke oven chamber, with the regulating arrangement being comprised of an immersion cup with a water immersion that seals the gas space of a coke oven chamber versus the gas collecting main and/or plant units downstream, and wherein the height of the water level of the water immersion represents a regulating means to control the gas pressure, and wherein said regulating arrangement is furthermore comprised of an immersion pipe that configures a specially shaped crown pipe at its end submerging into the water of the immersion cup, and that is comprised of a regulating organ to regulate the water level.




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Device for regulating deformations of the bed of a geometrically aerodynamic mold and molding method with this device

The invention describes a regulating device that adapts to the aerodynamic profile of a mold bed made of composite material offsetting the geometrical deviations occurring in the mold bed. The device comprises some stiffening ribs (20) supported on a surface of the bed (10) of the mold and is equipped with actuators (21) that modify the curvature of the bed (10) of the mold.




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Gas pressure regulator with in-situ rotatably adjustable adaptor sleeve

Exemplary embodiments of a gas pressure regulator comprise a regulator body, an adaptor sleeve, a retainer and an indexing ring. The regulator body includes a proximal portion, a distal portion, a ported intermediate portion therebetween, and a main bore. The adaptor sleeve axially receives the distal portion and includes an outer threading for engaging an air source adaptor of a paintball marker. The retainer threadably engages the main bore within the distal end, thereby axially securing the adaptor sleeve onto the distal end. The indexing ring receives the distal portion therethrough for resiliently biased axial movement of the indexing ring between a locking position and an unlocking position. When the indexing ring is in its unlocking position, the adaptor sleeve is rotatable with respect to the regulator body. When the indexing ring is in its locking position, the adaptor sleeve is rendered substantially non-rotatable with respect to the regulator body.




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Top cover having a patterned gasket fixing region, disk drive apparatus, and method of manufacturing top cover

A top cover for use in a disk drive apparatus includes a plate made of a metal and a gasket fixed to the plate. The gasket is made of an elastomer. A surface of the plate includes a fixing region to which the gasket is closely adhered. The fixing region includes a plurality of ridges and in plan view a plurality of filamentous projections extending from each of the plurality of ridges. The plurality of ridges are arranged in the fixing region to increase a surface area of the fixing region. The plurality of ridges and the plurality of filamentous projections extending from each ridge are distributed over the fixing region.




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Regulating flap arrangement

A regulating flap arrangement (1) in a flange connection (2) between a turbine housing of a two-stage exhaust-gas turbocharger and an exhaust manifold of an engine, having a regulating flap plate (5) which is pivotable between an open position and a closed position for opening and closing a connecting opening (6) arranged in the flange connection (2); having an insert ring (7) which is arranged in the connecting opening (6); and having a sealing arrangement (8), wherein the sealing arrangement (8) has two V-rings (8A, 8B), of which a first V-ring (8A) is arranged in a first groove (9) provided adjacent to the connecting opening (6), and the second V-ring (8B) is arranged in a second groove (10) which is arranged, spaced apart radially outward from the first groove (9), in the flange connection (2).




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Method and device for controlling the register settings of a printing press

A method for controlling register settings of a printing press, includes rotating imaging cylinders of a first print unit and a second print unit, located downstream of the first print unit in a movement direction of a print medium, at a rotational speed to print an image on the print medium. The method includes of changing a length of the print image to a pre-determined length. The method further includes changing a register setting of the imaging cylinder of the second print unit based on the predetermined change in length of the print image to avoid misalignment of the print image printed by the first and the second print units on the print medium. Changing the register setting is dependent on a length of a section of the print medium between the first and the second print units. A device for controlling register settings of a printing press is also disclosed.




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Regenerative adsorption process for removal of silicon-containing contaminants from process gas using a neutral adsorbent media

A natural gas-containing stream such as biogas from landfills and sewage treatment plants is freed of siloxane contaminants by passing the biogas through a bed containing an adsorbent having a neutral surface, which adsorbs the siloxanes. When the bed of neutral adsorbent is filled to capacity, the adsorbent bed is heated to remove the siloxanes and regenerate the bed. The neutral adsorbent reduces disadvantageous reactions between the adsorbent and siloxane and other impurities in the natural gas-containing stream.




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Process for production of finely fibrous cellulose composite prepreg sheet, process for production of finely fibrous cellulose composite sheet, and process for production of finely fibrous cellulose composite laminate sheet

A method of producing a finely fibrous cellulose composite prepreg sheet, sheet or laminate sheet, the method including a mixing an emulsion of a reactive compound with an aqueous suspension containing a finely fibrous cellulose to prepare a mixed liquid dewatering the mixed liquid by filtration on a porous substrate to form a water-containing sheet; and heating and drying the water-containing sheet. A method of producing a finely fibrous cellulose composite sheet, the method including subjecting the finely fibrous cellulose composite prepreg sheet produced by the method described above to a curing treatment.




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AGGREGATING DATA FOR VISUALIZATION

Data items are aggregated based on information relating to a display capability of a display device, to produce aggregated data. The aggregated data is for display in a visualization presented by the display device. Responsive to user selection in the visualization, dynamically created data at a second hierarchical level different from a first hierarchical level of the aggregated data is for display in the visualization.




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Dual fuel control device with auxiliary backline pressure regulator

A heater assembly can be used with a gas appliance. The gas appliance can be a dual fuel appliance for use with one of a first fuel type or a second fuel type different than the first. The heater assembly can include a fuel regulator valve including a main pressure regulator to regulate the fuel pressure, at least one auxiliary pressure regulator, a first fuel source connection for connecting the first fuel type to the heater assembly, and a second fuel source connection for connecting the second fuel type to the heater assembly. The one or more auxiliary pressure regulators introduce a backline pressure to the main pressure regulator, thereby adjusting the fuel pressure to fall within a predetermined range.




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Apparatus and method for cleaning regenerative-burner media bed

A regenerative burner device for a furnace and a method of removing contaminants from such a device. The burner device includes a burner for introducing heat and waste gas into a furnace during ignition when supplied with fuel and a combustion gas, a media bed comprising refractory particles, and ducting for delivering combustion gas to said burner during ignition, and for drawing waste gas from said furnace on termination of ignition. The ducting causes the combustion gas and the waste gas to pass in succession through the media bed. Means are provided for periodically delivering a rapid flow of a decontaminating gas into said media bed. The rapid flow is of sufficient force to dislodge contaminants collected in the media bed from said waste gas.




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Combustor with a combustion region between an inner pipe and outer pipe with an ignition device upstream of the combustion region

Includes a low flow-rate region (R2) that is disposed on an upstream side of a combustion region (R1) within a second pipe (2), and that has a relatively slow flow-rate of combustion gas (G1) within the second pipe, and a flame kernel formation unit (3a) is disposed in the low flow-rate region.




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Machine for regeneration of pneumatic tyres

There is described a machine (1) for regeneration of pneumatic tires (2) comprising a beading device (5) for axial locking of the pneumatic tire to be regenerated in the direction of the revolving axis of the pneumatic tire (2) which provides an untranslatable bead (6) and a translatable bead (7) in said direction, a work rasp (9) mounted on a spindle (25), inflation means (66) of the pneumatic tire and a discharge cochlea (77). Said machine further comprises a roughing miller (8) suitable to prepare the pneumatic tire to a subsequent finishing by means of the rasp (9), said miller (8) being mounted on the same spindle (25) of the rasp (9) and after it, and constituted of a monoblock (27) with discharge channels (28) for chips produced by inserts (29) with a curved profile (30) providing a plurality of planar blades (31) joined by discharge grooves (32) of the chips produced.




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Apparatus, system and method for using a diamond-impregnated wire to cut an object

An apparatus, a system and a method may use a diamond-impregnated wire loop to cut an underwater pipeline. The apparatus may have a frame, a carriage attached to the frame and/or pulleys connected to the carriage. The diamond-impregnated wire loop may be connected to the pulleys. The carriage may move relative to the frame to direct the diamond-impregnated wire loop in a forward direction relative to the frame and/or through the pipeline.




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Apparatus, system and method for using a diamond-impregnated wire to cut an object

An apparatus, a system and a method may use a diamond-impregnated wire loop to cut an underwater pipeline. The apparatus may have a frame, a carriage attached to the frame and/or pulleys connected to the carriage. The diamond-impregnated wire loop may be connected to the pulleys. The carriage may move relative to the frame to direct the diamond-impregnated wire loop in a forward direction relative to the frame and/or through the pipeline.




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Temperature regulated melt crucible for cold chamber die casting

Disclosed is a vessel for melting and casting meltable materials. The vessel may be a surface temperature regulated vessel for providing a substantially non-wetting interface with the molten materials. In one embodiment, the vessel may include one or more temperature regulating channels configured to flow a fluid therein for regulating a surface temperature of the vessel such that molten materials are substantially non-wetting at the interface with the vessel. Disclosed also includes systems and methods for melting and casting meltable materials using the vessel.




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Device for regulating the level of a liquid in a boiler of a coffee machine

The present invention relates to a device to regulate the level of a liquid inside a boiler of a coffee machine, having a transparent duct connected to the boiler and designed to visibly display the level of the liquid inside the boiler, a capacitive sensor that can be positioned outside the transparent duct in determined positions and designed to generate electric signals representing the presence or absence of liquid in correspondence to the position of the sensor along the transparent duct. The sensor of the device has first measuring elements and second measuring elements, both of capacitive type; the second measuring elements are positioned at a predetermined distance from the first measuring elements, and a measuring device designed to measure the impedance between the first and second measuring elements and to generate signals indicating the presence or absence of liquid in correspondence to the position of the sensor. The invention also relates to the machine that includes this device.




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METHODS AND COMPOSITIONS TO REGULATE HEPCIDIN EXPRESSION

The present invention provides new systems and strategies for the regulation of iron metabolism in mammals. In particular, methods of using agonists and antagonists of TGF-β superfamily members to modulate the expression or activity of hepcidin, a key regulator of iron metabolism, are described. The inventive methods find applications in the treatment of diseases associated with iron overload, such as juvenile hemochromatosis and adult hemochromatosis, and in the treatment of diseases associated with iron deficiency, such as anemia of chronic disease and EPO resistant anemia in end-stage of renal disease. The present invention also relates to screening tools and methods for the development of novel drugs and therapies for treating iron metabolism disorders.




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METHODS USING REPROGRAMMED CELLS FOR REGENERATIVE, RESTORATIVE, AND REJUVENATIVE THERAPIES

Provided herein are methods of treatment to regenerate, restore or rejuvenate a tissue. Methods include making adult somatic and germ cells pluripotent for administration to a patient. Alternatively, created pluripotent cells may be differentiated to the desired tissue type and administered to a patient to repair or enhance the target tissue.




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Apparatus and lower thread winding-spool for detecting the ending region of lower thread of sewing machine

A lower thread ending region detection apparatus prevents problems associated with false stitchings occurring from inability to detect lower thread's exhaustion during sewing operation. The lower thread ending region detection apparatus comprises: light control unit, which contacts a part of lower thread wound on a thread bobbin and activates or inactivates at least one of the functions of emitting light, reflecting light, passing light and blocking light, due to the effect of the physical movement force generated depending on whether the lower thread of the ending region is unwound; light receiving unit, which receives the light transferred out by the light control unit and outputs a detection signal; and control and notification unit, which analyzes the detection signal output from the light receiving unit to determine whether the lower thread has reached the ending region and outputs the result to the user.




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Regenerable removal of sulfur from gaseous or liquid mixtures

The present invention relates to a method for removing sulfur from a gaseous or liquid mixture. This method involves contacting the gaseous or liquid mixture with an iron-enriched matrix under conditions effective to remove sulfur from the mixture through adsorption of the sulfur to the matrix. The iron-enriched matrix used in this method is a lignocellulosic material that is enriched with iron. The present invention also relates to a system, composition, and plant fertilizer that contain the iron-enriched matrix. Methods of making the composition and preparing a plant fertilizer are also disclosed.




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SHIFT REGISTER UNIT, GATE DRIVE DEVICE AND DISPLAY DEVICE

The present disclosure provides a shift register unit including a pull-up module, an input module, a pull-down control module, a pull-down module, a reset discharging module, a voltage dividing module, a holding module, and a far end pull-down module. The shift register unit is designed in a split manner in order to perform pull-down compensation to the output signal at the far end, saving the low voltage signal at the far end, thereby saving the space and facilitating the design. The present disclosure further provides a gate driving device and a display device using the shift register unit.




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VOLTAGE REGULATION CIRCUIT

A voltage regulation circuit is provided, including a reverse processing module for processing a first initial voltage of a common voltage generating module so as to obtain a reverse voltage of AC voltage; and an integration module for regulating the first initial voltage according to the reverse voltage of the AC voltage so as to make a liquid crystal drive voltage equal to a preset value. The liquid crystal drive voltage is a difference value of between a second initial voltage and the first initial voltage which is regulated.




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Schedule Aggregation and Antenna-Radiation-Pattern Optimization

An electronic device modifies a schedule of communication frequencies (such as an orthogonal frequency division multiplexing access schedule) by changing the times when subcarriers are used for communication with a set of electronic devices in order to cluster subsets of the set of electronic devices. This clustering may leave the throughput associated with the communication at least approximately unchanged. Then, the electronic device selects, for the subsets, transmit antenna radiation patterns and receive antenna radiation patterns in order to increase the throughputs during transmission and/or receiving.




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Hydraulic regeneration apparatus

A hydraulic motor/pump regenerator system for recovering energy from the moving vehicle having high efficiency and precise control, thereby allowing the maximum amount of energy to be recovered and reused, is described. Three, fixed-displacement pump/motors are used to enable the system to recover and reapply energy at efficiencies expected to be above 70% in most circumstances. The invention is not limited to the use of three fixed displacement hydraulic units since using more units may in some drive cycles further improve efficiency. By selecting an appropriate combination of pump/motor units for providing the driveshaft torque required by the driver, embodiments of the present invention generate high recovery efficiency at any speed.




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METHOD AND APPARATUS FOR TOOTH REGULATION WITH HEAVY FORCES

Methods are provided for regulating tooth movement and for maintaining or improving tissue health using heavy forces. Such methods comprise allowing a heavy force to be exerted on one or more teeth of a patient in need thereof; and administering an effective amount of light to the maxillary or mandibular alveolar bone of the patient, wherein the light is administered before, during, or after the heavy force is exerted. The light can have a wavelength in the range of about 585 nm to about 665 nm, or about 815 nm to about 895 nm. An apparatus useful for providing light therapy is also provided.




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Emulsions for fibreglass binder systems

The present invention relates to an aqueous anti-dusting formulation for use in combination with a binder in the manufacture of fiber wool insulation, the formula comprising: a) oil; b) polyvinyl alcohol; and c) water. The invention further relates to a method for preparing a glass or mineral fiber product with the anti-dusting formulations and to products of the process.




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CHARGE PUMP CIRCUIT AND STEP-DOWN REGULATOR CIRCUIT

A charge pump circuit includes a capacitor, a first switch between the capacitor and a power supply terminal, a second switch between the capacitor and an output terminal, a third switch between the output terminal and the capacitor, a fourth switch between the capacitor and a ground terminal, and a control unit configured to generate control signals for the switches. The control signals include first signals generated during a first period that cause first and third switches to be in an ON state and second and fourth switches to be in an OFF state, second signals generated during a second period that cause first and third switches to be in an OFF state and second and fourth switches to be in an ON state, and third signals generated between the first and second periods, that cause the ON/OFF state of each of the switches to be switched at different times.




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Apparatus and methods for spreading fiber bundles for the continuous production of prepreg

Apparatus for producing spread fiber bundles by strategic use of tension control throughout the device and use of higher differential speeds between driven rollers and line speed of the running fiber bundle are provided herein, along with methods for producing spread fibers, prepregs, and articles of manufacture therefrom.




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REGISTER SYSTEM THAT DEACTIVATES A SECURITY TAG ATTACHED TO A PRODUCT

A register system includes a handheld unit including a code scanner and a security tag signal reception unit and a processor. The processor is configured to determine whether or not a security tag on a product is deactivated based on whether or not the security tag signal reception unit receives a security tag signal from the product during scanning of a product code on the product, and register the product code for a transaction when the security tag is determined to be deactivated.




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Aggregate Projection

In an example, an aggregate function is associated with an aggregate projection for a data storage system. Input data to be loaded into the data storage system is aggregated according to the aggregate function and stored in the aggregate projection.




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Aggregated Broad Topics

In one embodiment, a method includes deriving input topics based on a content item, generating a matrix of scores for the input topics according to a first set of cross-indexed topics, where each of the scores indicates a degree of similarity between a corresponding one of the input topics and a corresponding one of the first cross-indexed topics, calculating a total score for each of the first cross-indexed topics based on the scores for the first cross-indexed topic across all of the input topics, and selecting one or more of the first cross-indexed topics based on the total scores of the first cross-indexed topics. Deriving the input topics may include using a topic tagger to identify the topics based on the content item. The first set of cross-indexed topics may be generated from a database of topics, such as an online encyclopedia.