16th week of 2015 patent applcation highlights part 17 |
Patent application number | Title | Published |
20150102695 | ELECTRIC MACHINE - An electric machine includes a stator core, a rotor core, a shaft and at least one pair of magnets. The stator core surrounds the stator core. The rotor core enfolds the shaft and includes at least one groove. The groove includes a pair of sub-grooves. The sub-grooves define an angle α therebetween. The angle α satisfies: α<180°. The magnets are respectively accommodated in the sub-grooves of the groove. | 2015-04-16 |
20150102696 | ARMATURE, ROTATING ELECTRICAL DEVICE, AND ARMATURE MANUFACTURING METHOD - An armature provided with: plural core configuration members that configure an armature core and are segmented from each other on progression along the circumferential direction of the armature core; plural insulators that each include plural insulating portions mounted to the core configuration members and a coupling portion that couples the plural insulating portions together; plural windings that respectively include plural winding portions, wound on the core configuration members with the insulating portions interposed between the winding portions and the core configuration members, and a crossing wire that connects the plural winding portions together; a fitting portion that couples together adjacent core configuration members out of the plural core configuration members; and an exposing portion that is formed to the plural insulators and exposes the fitting portion when viewed along the axial direction of the armature core. | 2015-04-16 |
20150102697 | ROTOR WITH 2-STEP SHAPED SLOT AND INDUCTION MOTOR HAVING THE SAME - A rotor with a two-step shaped slot may include a rotor core configured to include a plurality of shoe structures which have a two-step shaped slot, a plurality of rotor bars configured to be inserted into and coupled to the two-step shaped slot, and end rings configured to be coupled to both ends of the rotor core and to fix the rotor bars. | 2015-04-16 |
20150102698 | END-RING FOR INDUCTION MOTOR, ROTOR HAVING THE SAME - A rotor comprises a rotor core comprising a rotational axis and a plurality of slots, a plurality of rotor bars inserted in the plurality of slots, and a plurality of holders arranged around a rotational axis of the rotor. Each holder comprises an insertion groove configured to receive and engage with an end of one of the plurality of rotor bars. An end of another rotor bar among the plurality of rotor bars is interposed between and coupled to two immediately neighboring holders among the plurality of holders. | 2015-04-16 |
20150102699 | STATOR | 2015-04-16 |
20150102700 | ELECTRIC MOTOR CAPABLE OF REDUCING COGGING TORQUE - An electric motor including a rotor including magnetic pole units and a stator including slots facing an outer peripheral surface of the rotor. Each of the magnetic pole units is bulged to an outside in a radial direction so that a waveform of a magnetic flux density generated from the rotor is a sine wave shape, and a concave part or convex part which is small enough to prevent changing of a waveform cycle of cogging torque determined by a least common multiple of the number of slots and the number of magnetic poles of the rotor, is formed at a central part in a circumferential direction of an outer peripheral surface in each of the magnetic pole units. | 2015-04-16 |
20150102701 | MICRO-ELECTRO-MECHANICAL SYSTEM DEVICE WITH ENHANCED STRUCTURAL STRENGTH - The invention provides a MEMS device with enhanced structural strength. The MEMS device includes a plurality of metal layers, including a top metal layer with a plurality of metal segments. The metal segments are individually connected to an adjacent metal layer immediately under the top metal layer through at least one supporting pillar, and there is no dielectric layer between the metal segments and the adjacent metal layer immediately under the top metal layer. The metal layers except the top metal layer are respectively connected to their adjacent metal layers through at least one supporting pillar and a dielectric layer filling in between. | 2015-04-16 |
20150102702 | THERMAL POWER CELL AND APPARATUS BASED THEREON - Apparatus ( | 2015-04-16 |
20150102703 | VIBRATOR, OSCILLATOR, ELECTRONIC DEVICE, AND MOVING OBJECT - A MEMS vibrator includes: a substrate; a supporting portion which is connected to the substrate; a base portion which is connected to the supporting portion; and a plurality of vibration portions which is separated from the substrate and extends in different directions from each other from the base portion, and in which the adjacent vibration portions vibrate in a phase of a reverse direction to each other. In the vibration portion, the base portion has a vibration node, and at least a part of the supporting portion is overlapped with the vibration node in a planar view. | 2015-04-16 |
20150102704 | SUPER-PIEZOELECTRIC COMPOSITE FIBER MATS FOR POWER GENERATION AND SOFT ACTUATORS - A piezoelectric device includes a fiber mat comprising polymer fibers with ferroelectric particles embedded in the polymer fibers. The ferroelectric particles are oriented to generate a net polarization in the fiber mat. The ferroelectric particles may comprise barium titanate particles. The polymer fibers may comprise polylactic acid (PLA) fibers. The piezoelectric device may further include substrates sandwiching the fiber mat, and the fiber mat may be formed by electrospinning polymer fibers containing ferroelectric particles onto one of the substrates. The piezoelectric device may be a piezoelectric actuator configured to receive an input voltage applied across the fiber mat and to output a mechanical displacement in response to the voltage, or the piezoelectric device may be configured to output a voltage in response to a mechanical force applied to the fiber mat. | 2015-04-16 |
20150102705 | ELASTIC WAVE DEVICE - An elastic wave device includes a high acoustic velocity film configured such that a bulk wave propagates at a higher acoustic velocity than an elastic wave that propagates in a piezoelectric film, a low acoustic velocity film configured such that a bulk wave propagates at a lower acoustic velocity than a bulk wave that propagates in the piezoelectric film is laminated on the high acoustic velocity film, the piezoelectric film is laminated on the low acoustic velocity film, and an IDT electrode is laminated on one surface of the piezoelectric film. In an upper structure section, an energy concentration ratio of a main mode which is an elastic wave is not less than about 99.9% and an energy concentration ratio of a high order mode which is spurious is not more than about 99.5%. | 2015-04-16 |
20150102706 | PIEZOELECTRIC ELEMENT AND VIBRATOR INCLUDING THE SAME - There is provided a piezoelectric element including: a piezoelectric body including positive electrode layers and negative electrode layers alternately stacked on element layers; a polymer layer stacked on at least one surface of the piezoelectric body; a first external electrode stacked so as to contact the polymer layer; and a second external electrode disposed to be spaced apart from the first external electrode and stacked so as to contact the polymer layer. | 2015-04-16 |
20150102707 | Composite Substrate - A composite substrate | 2015-04-16 |
20150102708 | PIEZOELECTRIC DEVICE AND METHOD OF FABRICATING THE SAME - There is provided a piezoelectric device including: a body portion having a plurality of piezoelectric layers stacked therein; and internal electrodes disposed in the body portion with at least one of the plurality of piezoelectric layers interposed therebetween and including a shrinkage inhibitor having at least one of a flake shape and a plate shape, wherein an angle formed by an interface between the internal electrode and the piezoelectric layer on which the internal electrode and the piezoelectric layer are in contact and a long side direction of the shrinkage inhibitor is 15° or less. | 2015-04-16 |
20150102709 | STATOR ASSEMBLY FOR MOTOR - Disclosed herein is a stator assembly for a motor including: a stator core which includes a rounded base having a plurality of first holes formed in the vertical direction and a plurality of teeth radially formed on the outer circumferential surface of the base; an insulation coating layer formed on the entire surface of the stator core except the inner face of the base and the periphery of the first hole; and one or more connection parts connected to the rounded base. | 2015-04-16 |
20150102710 | BEVERAGE IDENTIFICATION TILES - A beverage identification tile is provided that includes a sheet of material and a plurality of beverage type identifiers. The sheet of material has a first face and a second face which have a polygonal shape defined by a plurality of edges. A different beverage type identifier of the plurality of beverage type identifiers is printed along each edge of the plurality of edges of the first face and of the second face. A shelf labeling system includes a shelf, a plurality of slots, and the beverage identification tile. The shelf includes a front wall, a back wall, and a base mounted between the front wall and the back wall. The sheet of material is sized to slide into a slot of the plurality of slots formed in the front wall along an edge of the front wall with a beverage type identifier visible above the edge. | 2015-04-16 |
20150102711 | SYSTEM AND METHOD FOR RETROFITTING COIN-OPERATED LOCKERS - A method of manufacturing an electromechanical locker system may include providing a set of lockers with coin-operated locks. The coin-operated locks may be removed from the set of lockers. A conduit may be extended along and connected to a frame member from which the coin-operated locks had previously been positioned. Electromechanical lock units may be attached to the conduit so as to replace the coin-operated locks. A retrofitted coin-operated locker bank may include a coin-operated locker bank including a multiple lockers having respective doors, where the coin-operated locker bank is free of coin-operated locks. A conduit may be connected to a frame member and extend vertically adjacent to the hinged doors of a column of lockers. Multiple electromechanical lock units may be attached to the conduit so as to replace the coin-operated locks. | 2015-04-16 |
20150102712 | Method of Forming Composite Fiber Laminate with Variable Elasticity and Device Thereof - A method for fabricating a laminated composite work piece includes providing a first layer of carbon fiber. The first layer extends continuously across the entire area of the work piece. A second layer is placed adjacent to the first layer. The second layer includes a first fiber material extending across a first portion of the work piece, and a second fiber material extending across a second portion of the work piece. The work piece is cured and provides a case component of an information handling system. | 2015-04-16 |
20150102713 | CASING FOR RECEIVING HARD DISK DRIVE - A casing for receiving a hard disk drive includes a top wall, a bottom wall, two sidewalls, and an end wall. A number of metal bars protrude from an inner surface of the top wall. | 2015-04-16 |
20150102714 | MODULAR PARKING PLACE FOR BICYCLES - The present invention relates to a modular parking place for bicycles, formed by one or more compartments ( | 2015-04-16 |
20150102715 | Drawer Locking Device - A drawer locking device for a drawer including at least one side wall, the drawer slidingly closable within a cabinet frame, the drawer locking device including: a mounting portion including three walls defining a U-shaped slot including an inner wall, an outer wall, and a top wall forming a space between the inner wall and outer wall; and a latching portion pivotally coupled to the inner wall, the latching portion including a rear ramp surface, a front surface, and a release lever, wherein, when the drawer safety latch is installed on the drawer side wall such that the drawer side wall is positioned within the space between the inner wall and outer wall, the rear ramp faces the rear of the drawer and the front surface faces the front of the drawer, wherein the latching portion is defeatably biased towards a lock position. | 2015-04-16 |
20150102716 | REFRIGERATOR APPLIANCE AND A METHOD FOR MANUFACTURING THE SAME - The present subject matter provides a refrigerator appliance and a method for manufacturing the same. The method includes applying a polyurethane elastomer onto a surface of an inner liner of the refrigerator appliance and injecting a polyurethane foam into a cavity defined between an outer case of the refrigerator appliance and the inner liner. The polyurethane elastomer can limit or prevent leakage of the polyurethane foam from the cavity. | 2015-04-16 |
20150102717 | Food Storage System and Method - A system for easy organizing and storing of food items within a refrigerator or cooling unit comprising one or more stackable modular assemblies each having a housing unit and one or more slidably insertable drawers having flexible substantially transparent or translucent drawer covers and are configured for containing a variety of rearrangeable and removeable food storage trays. Each housing is vented to increase air circulation at drawer bottom, sides and back. Each drawer is easily removeable from the housing and may be used as a serving tray. Each drawer cover is may be positioned on the peripheral support edge of the drawer to seal the drawer as well as the open trays positioned therein without inhibiting movement of the drawer within the housing. A user can easily identify food within the drawer, partially slide the drawer from the container, and lift the drawer cover to access food items quickly. | 2015-04-16 |
20150102718 | SHELF ASSEMBLY AND REFRIGERATOR COMPRISING THE SAME - A shelf assembly and a refrigerator including the same. The shelf assembly includes: a shelf plate having first to fourth mounting members, and first to fourth brackets each having a fitting slot, in which the first and second brackets are disposed at a left and right side of the shelf plate respectively. The fitting slot of each of the first and second brackets includes a first sliding groove and a plurality of first receiving grooves. The first and second mounting members are slidable within the first sliding groove of the first and second brackets along the vertical direction so as to selectively fit within one of the plurality of the first receiving grooves. The third and fourth mounting members are fitted within the fitting slot of the third and fourth brackets and a position of the third and fourth mounting members are adjustable along the vertical direction. | 2015-04-16 |
20150102719 | PLASMA IGNITION PLUG FOR AN INTERNAL COMBUSTION ENGINE - A plasma ignition plug for an internal combustion engine has a thorium alloyed tungsten anode separated from a vanadium- or beryllium-alloyed copper cathode by a boron nitride ceramic powder insulator. A generally semi-spherical titanium emitter is electrically coupled to the anode and disposed within an end of the insulator so as to form an annular gap with a torus on the end of the cathode. The surface of the emitter protrudes slightly beyond the rim of the torus on the cathode. High amplitude pulses driven into the anode arc across the annular gap to the cathode at more than twenty-four spots simultaneously, generating a plasma ignition front. | 2015-04-16 |
20150102720 | SPARK PLUG - A spark plug includes an electrode wherein a plurality of fusion regions are formed by melting to each other a circular noble metal tip having a diameter of not less than 2 mm and a base material disposed around an outer periphery of the noble metal tip. In a particular tip cross section, a total length of the portions passing the fusion region on the circumference of a circle A concentric to an outline of the tip and having a diameter of 90% of the length of the tip is not less than 30% of the length of the circumference of the concentric circle A, and a total length of the portions on which a circumference of a concentric circle B, having the same diameter as that of the outline passes, is not less than 30% of the length of the circumference of the concentric circle B. | 2015-04-16 |
20150102721 | SPARK PLUG WITH CERAMIC ELECTRODE TIP - A spark plug ( | 2015-04-16 |
20150102722 | WAVELENGTH CONVERSION BOARD AND ILLUMINATION DEVICE COMPRISING THE SAME - The present invention provides a wavelength conversion board comprising a substrate; one or more fluorescence members each containing a fluorescence substance for converting excitation light into fluorescence, the fluorescence member being disposed on or above the substrate; and a flexible gel disposed around the fluorescence member. The present invention also provides a wavelength conversion board comprising a substrate; a fluorescence member containing fluorescence substance for converting excitation light into fluorescence, the fluorescence member being disposed on or above the substrate; a fluent material disposed around the fluorescence member; a light-transmissive plate parallel to the substrate; and a sealing member disposed around the fluent material in a cross section of the wavelength conversion board. The fluorescence member is interposed between the light-transmissive plate and the substrate in the cross section of the wavelength conversion board. | 2015-04-16 |
20150102723 | DEVICE FOR CONTROLLING A PLURALITY OF SETS OF LEDS, ESPECIALLY FOR AN AUTOMOTIVE VEHICLE - A control device for controlling a plurality of sets of LEDs, especially for an automotive vehicle, the plurality of sets of LEDs comprising at least a first set that is associated with at least a first lighting and/or signaling function and a second set that is associated with at least a second and third function. The control device comprises
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20150102724 | THERMAL PROTECTION CIRCUIT FOR AN LED BULB - A light-emitting diode (LED) bulb has an LED within a shell. The LED bulb includes a driver circuit for providing current to the LED. The drive circuit has a thermal protection circuit, which includes a first positive thermal coefficient thermistor with a first switching temperature connected in series with a second positive thermal coefficient thermistor with a second switching temperature. The driver circuit includes a switch-mode power supply (SMPS) controller with an input pin and an output pin. The thermistors are connected to the input pin. When either thermistor temperature is above the respective switching temperatures, the thermal protection circuit causes the SMPS controller to produce a signal with a second duty cycle on the output pin. When both thermistor temperatures are below the respective switching temperatures, the thermal protection circuit causes the SMPS controller to produce a signal with a first duty cycle on the output pin. | 2015-04-16 |
20150102725 | LED Module - An improved LED module that is thermally self-stabilizing, and that is able to be retrofitted into an existing flashlight is provided. In one embodiment, the LED module includes a light emitting diode, an amplifying circuit and a microchip. The amplifying circuit includes a temperature sensing device to sense heat from the light emitting diode. The output of the amplifying circuit is input to the microchip which output to a switching device that regulates energy that is delivered to the light emitting diode. The switching device may be part of a boosting circuit, a bucking circuit or an inverting circuit. | 2015-04-16 |
20150102726 | LIGHT SOURCE CONTROL DEVICE AND LIGHT SOURCE CONTROL METHOD - A microcomputer of a light source control device specifies an LED belonging to LEDs and subjected to a short-circuit failure based on a result of determination by a short-circuit failure detecting circuit and current amounts sensed by current sensing circuits respectively. The microcomputer makes corresponding one of switching elements interrupt supply of a current to the specified LED. The microcomputer makes a constant current circuit supply an LED not specified with a current not exceeding a current responsive to the number of such LEDs not specified. | 2015-04-16 |
20150102727 | LED DRIVER CIRCUIT CAPABLE OF EXTENDING A LIFESPAN OF THE LED DRIVER AND REDUCING MANUFACTURING COST - An LED driver circuit includes a first driver, a second driver, a switch, a first detection module, a second detection module and a control module. The first driver provides a first driving current according to a supply voltage. The second driver provides a second driving current according to the supply voltage. The switch is selectively coupled to the first or second driver. An LED emits light according to the first or second driving current. When the switch is coupled to the first driver, the first detection module keeps detecting the first driving current and outputting a first sensing signal. When the switch is coupled to the second driver, the second detection module keeps detecting the second driving current and outputting a second sensing signal. The control module outputs a first or second control signal according to the first or second sensing signal for controlling the switch. | 2015-04-16 |
20150102728 | LIGHT EMITTING MODULE TESTING APPARATUS - A light emitting module testing apparatus includes a sensing unit and a controller. The sensing unit includes a photodiode array sensing light emitted from a light emitting module serving as a test object. The controller generates luminance information based on light sensed by the sensing unit, and sets an operating condition of the light emitting module serving as the test object by comparing the generated luminance information with a pre-set reference range. The light emitting module testing apparatus thereby senses luminance of light emitted from the light emitting module serving as a test object, and sets the operating condition of the light emitting module to have an appropriate luminance. | 2015-04-16 |
20150102729 | SYSTEMS, DEVICES AND METHODS FOR CONTROLLING ONE OR MORE LIGHTS - Systems, devices and methods for controlling one or more lights are disclosed. In some aspects, systems for controlling one or more lights can include an interface and a remote sensing device that is separate from and is in electrical communication with the interface. The remote sensing device can additionally include at least one sensor, for example an ambient light sensor. Each of the remote sensing device and the interface can be configured to attach to support structures via retaining features. In one aspect, the remote sensing device can include a first and a second retaining member that rotatably thread onto a main body of the sensing device and adjust according to the thickness and structure of the support structure. In another aspect, the interface can include a retention feature utilizing flexible tabs with integrated detents to accommodate variable sizes of openings of the support structure. | 2015-04-16 |
20150102730 | LED LIGHTING SYSTEM - A system and method involving lighting fixtures, a control network, a controller and other devices such as light sensors, input devices and network adapters for coordinating precise brightness and color schedules among the lighting fixtures while maintaining a high color reliability including provisions for managing a plurality of lighting fixtures. The lighting fixtures contain lighting elements selected such that when controlled properly, operating along a daytime locus, the resultant light output closely resembles sunlight on a cloudless day in spectral characteristics, and wherein the total flux of blue light can be adjusted from a relative level of 1-100% the maximum blue flux of the lighting fixture by controlling individual lighting elements. | 2015-04-16 |
20150102731 | Lighting - Enhancements to ornamental or holiday lighting are disclosed including remote control ornamental illumination with color pallet control whereby a user can vary the color/intensity/appearance of an individual bulb or entire light string by selecting the electronic address of the bulb and selecting its attribute. Further disclosures include: motion responsive lights which respond to sensed movement, gesture controlled lights, adjustable white color/white led sets, connectable multi-function lights, controller to sequence lights to music or other input source, rotating projection led light/tree top/table top unit, and remote controlled sequencing icicle lights and ornament lighting system. | 2015-04-16 |
20150102732 | Methods and Apparatus for Sensing Light Output and Controlling Light Output - Methods and apparatus for lighting control. In some embodiments methods and apparatus are provided that sense a low lighting condition at a location and direct light toward that location after detection of the low lighting condition. In some embodiments apparatus are provided that include a plurality of networked LEDs. Some of the LEDs may be illuminated in response to sensed light conditions at certain locations. | 2015-04-16 |
20150102733 | Lighting Control System - Intelligent illumination device are disclosed that use components in an LED light to perform one or more of a wide variety of desirable lighting functions for very low cost. The LEDs that produce light can be periodically turned off momentarily, for example, for a duration that the human eye cannot perceive, in order for the light to receive commands optically. The optically transmitted commands can be sent to the light, for example, using a remove control device. The illumination device can use the LEDs that are currently off to receive the data and then configure the light accordingly, or to measure light. Such light can be ambient light for a photosensor function, or light from other LEDs in the illumination device to adjust the color mix. | 2015-04-16 |
20150102734 | LIGHT CONTROL SYSTEM, LIGHT CONTROL METHOD AND COMPUTER READABLE MEMORY - A plurality of lighting devices are respectively arranged, on a ceiling surface, at a plurality of grid points of the ceiling surface partitioned in a grid pattern. A detection unit detects occupancy statuses of a plurality of seats located correspondingly to positions of the plurality of grid points. A controller is capable of communicating with each of the plurality of lighting devices. The controller includes a light-control information generating unit that regards a block formed of a plurality of grid points centering around a grid point of an occupied location as one group to generate, for each of groups set correspondingly to occupied locations, light control information on a lighting device that becomes a dimming target in the group. The controller also includes a transmission unit that transmits the light control information. The lighting device being a dimming target among the plurality of lighting devices performs light control based on the received light control information. | 2015-04-16 |
20150102735 | GATE DRIVING CIRCUIT, AND ARRAY SUBSTRATE AND DISPLAY PANEL USING THE SAME - The present invention relates to a gate driving circuit, and a array substrate and a display using the same. The gate driving circuit comprises multiple-stage gate driving units, and each gate driving unit includes: an actuating unit configured to transmit an actuation signal; an energy storage unit configured to execute a charging process under the action of the actuation signal to output a driving voltage; a pull-up unit, a first pull-down unit, a second pull-down unit and a third pull-down unit operating under the action of the driving voltage, wherein a third pull-down unit pulls the driving voltage down to a second reference voltage to apply a reverse bias voltage to the gate-source and/or the gate-drain of transistors in the gate driving circuit, such that the threshold voltage of respective transistors under positive offset can offset reversely, thus effectively eliminating adverse effects of a threshold voltage offset phenomenon of the transistors on the gate driving circuit and improving the operation reliability of the gate driving circuit as well as the array substrate and the display panel thereof. | 2015-04-16 |
20150102736 | CONTROLLING DEVICE FOR LED DECORATIVE LIGHTS, A LED LIGHT AND A CONTROLLING METHOD FOR LED DECORATIVE LIGHTS - The present invention discloses a controlling device for LED decorative lights, a LED decorative light and a controlling method for LED decorative lights. A controlling device for LED decorative lights includes a power inverting module, a multi-mode controlling signal emitting module being coupled with the said power inverting module. The said multi-mode controlling signal emitting module further includes a monitoring component, a signal distributing device coupled with the monitoring component and a signal socket connected with an external LED light. The said signal distributing device is able to output two PWM (Pulse Width Modulation) driving signals to the said signal socket. The present invention only requires two signal cables and two driving signals to achieve the display control for lights, and therefore is economical. | 2015-04-16 |
20150102737 | CURRENT DEMAND CONTROL OF LIGHTING MODULES - Various embodiments may relate to a lighting system including a Power Supply Unit and at least one Light Engine Module, with an interface between the Light Engine Modules and the Power Supply Unit. The Light Engine Modules send pulses representing their current demand to the Power Supply Unit adjusting the output current accordingly. The Light Engine Modules are connected in parallel, and the pulse sequences are sent at the same time. Measures are taken to cope with interfered pulses. | 2015-04-16 |
20150102738 | AC LED ARRAY CONFIGURATION SWITCHING CIRCUIT TRIGGERED BY SOURCE VOLTAGE LEVEL - An LED lighting circuit where the configuration of the connection of two or more LEDs are changed from parallel to series through the use of solid state switches depending on whether the voltage level from an AC source measured by a voltage detector exceeds the sum of the forward voltages of the LEDs. Also, a method of activating LEDs in an LED array lighting apparatus involving applying a rectified alternating current to two or more LEDs, each LED having a forward bias voltage; comparing the rectified alternating current to the sum of the forward bias voltages of the two or more LEDs; and changing the circuit configuration of the two or more LEDs between a parallel connection and a series connection with respect to the rectified alternating current depending on whether the rectified alternating current exceeds the sum of the forward bias voltages of the two or more LEDs. | 2015-04-16 |
20150102739 | Lighting Device - A system is described for providing unconditioned power using an alternating current (AC) power source in order to power light emitting diodes (LEDs). The system may include a plurality of light emitting diodes (LEDs), a microprocessor to send pulse-width modulated power signals to power the plurality of LEDs, a zener diode to limit a voltage provided to the microprocessor from the AC power source, and a varistor in series with the zener diode to clamp down the voltage from the AC power source to a pre-defined value to resist current in rush to the microprocessor. | 2015-04-16 |
20150102740 | Circuit and Method for Detecting the Duration of the Interruption of a Mains Input - A light bulb assembly comprises an electrical connection module, a driver circuit configured to provide electrical energy at a drive voltage, and a light source. The driver circuit converts electrical energy at an input voltage to the electrical energy at the drive voltage. A controller is configured to control the power converter to provide electrical energy at the drive voltage. The controller stops operation at an interruption of electrical energy to the driver circuit. The controller is configured to resume operation subsequent restoration of electrical energy to the driver circuit. The controller is configured to maintain the timing voltage above a first voltage level when the controller is in operation and to determine the duration of an interruption of electrical energy to the driver circuit. | 2015-04-16 |
20150102741 | DIMMER FOR SPORT SIMULATION ENVIRONMENT - A light adjusting system for use with sport simulation equipment and a method of adjusting a state of operation of at least one light source used with golf simulation equipment is provided. The light adjusting system comprises a data interface, a light controller, an operations processor, and a storage device. The data interface is in communication with the sport simulation equipment. The light controller is in communication with at least one light source. The operations processor is in communication with the data interface and the light controller. The storage device is in data communication with the operations processor. The storage device includes at least one lighting profile. In response to communication between the sport simulation equipment and the data interface, the operations processor accesses the at least one lighting profile on the storage device and adjusts a state of operation of the at least one light source using the light controller. | 2015-04-16 |
20150102742 | DIMMING METHOD AND CIRCUIT AND CONTROLLED-SILICON DIMMING CIRCUIT WITH THE SAME - In one embodiment, a method of controlling dimming can include: (i) generating a dimming signal according to a DC input voltage signal; (ii) generating a voltage average value signal from the dimming signal; (iii) determining whether the dimming signal is in a positive half cycle or a negative half cycle; (iv) comparing the voltage average value signal against an output current feedback signal to generate a first comparison signal, and output a driving signal according to the first comparison signal when the dimming signal is in the positive half cycle; and (v) comparing the voltage average value signal against the output current feedback signal to generate a second comparison signal, and output the driving signal according to the second comparison signal when the dimming signal is in the negative half cycle. | 2015-04-16 |
20150102743 | Multi-Mode Portable Lighting Device - A portable lighting device, such as a flashlight, with a mechanical power switch and multiple operating modes is provided. The mechanical power switch is disposed in series with the controller for the lighting device and acts as the user interface to the controller to change modes of operation. Because the mechanical power switch is in series with the controller, the portable lighting device does not consume battery power when the mechanical switch is open. A state machine coupled to the controller is polled by the controller each time it is powered up to determine the operational mode of the lighting device. A regulating circuit is used to power a controller and light source. The regulating circuit converts between current regulation and voltage regulation. | 2015-04-16 |
20150102744 | LED FLASH MODULE, LED MODULE, AND IMAGING DEVICE - The LED flash module includes: a module substrate ( | 2015-04-16 |
20150102745 | LIGHTING CONTROLLER, LIGHTING SYSTEM AND LIGHTING CONTROL METHOD - In a lighting system, sound levels are detected in the vicinity of at least one lighting unit to determine when there is a sound level above a threshold. The illumination provided by the lighting unit is adapted in such a way as to encourage a reduction of noise generation. | 2015-04-16 |
20150102746 | LIGHTING DEVICE CONTROL USING VARIABLE INDUCTOR - Various techniques are provided for implementing a variable control for a lighting device, such as a flashlight, that uses a variable inductor. The lighting device may include a tail cap, a battery terminal, and a variable inductor mounted in the tail cap and electrically connected in series with the battery terminal. The lighting device may also include a user operable switch configured to selectively bypass the variable inductor. The variable inductor may include, for example, a magnetic coil comprising a wire coil and a core. The variable inductor may also include a ring comprised of ferrous material and having a substantially elliptical inner circumfery and surrounding the magnetic coil, wherein the ring is adapted to be rotated relative to the magnetic coil in response to user actuation of a rotatable user control. | 2015-04-16 |
20150102747 | METHODS AND APPARATUS FOR OPERATING A LIGHTING NETWORK ACCORDING TO ENERGY DEMAND AND ENERGY SUPPLY - Methods and apparatus related to operation of a plurality of lighting units of a lighting network according to energy demand and/or energy supply. | 2015-04-16 |
20150102748 | LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device includes a backlight unit including an LED assembly, wherein the LED assembly includes: a plurality of LED packages; an LED PCB on which the plurality of LED packages are arranged being spaced apart from each other; and an LED driving circuit board that is connected to the LED PCB and includes a LED driving circuit, wherein the LED package includes first and second LED chips emitting two colors, respectively, out of red, green and blue, and a fluorescent substance emitting the other one color out of the red, green and blue, wherein a temperature sensor is formed in the LED PCB, and wherein the first or second LED chip is supplied with a compensated voltage according to temperature change by the temperature sensor. | 2015-04-16 |
20150102749 | SYSTEM AND METHODS FOR OPERATING A LIGHTING DEVICE - A lighting device may include a light source, a control circuit, and a communication device positioned in communication with the control circuit. The communication device may be configured to receive a transmission from a user device, and the transmission may include a data structure. The data structure may include a show packet and an event packet. The show packet may include an ID string and information regarding a number of event packets associated with the data structure, and the event packet may include information regarding a lighting spectrum, a fade type, a fade duration, and a hold duration. The control circuit may be configured to operate the light source to emit light transitioning from a present light emission having a present spectral power distribution to a light emission having spectral power distribution indicated by the lighting spectrum according to the fade type and fade duration. | 2015-04-16 |
20150102750 | APPARATUS FOR DRIVING PIEZO ACTUATOR AND METHOD OF DRIVING THE SAME - There are provided an apparatus for driving a piezo actuator and a method of driving the same. The apparatus includes: a control unit generating a digital control signal and converting the digital control signal into an analog control signal; a driving unit amplifying and not inverting the analog control signal to generate a first driving signal and amplifying and inverting the analog control signal to generate a second driving signal, with respect to a predetermined common voltage, and applying the first and second driving signals to both terminals of a piezo actuator; and an offset determining unit determining an offset in the first and second driving signals based on a voltage according to a current flowing in the piezo actuator, wherein the control unit generates the digital control signal to have an intermediate level in a predetermined offset detection section. | 2015-04-16 |
20150102751 | MOTOR ACCELERATION APPARATUS AND METHOD - Embodiments of the invention provide a motor acceleration apparatus and a motor acceleration method. According to at least one embodiment, the motor acceleration apparatus includes a rectifier converting household power into direct current (DC) voltage to output the converted DC voltage, a switching converter switching the DC voltage output from the rectifier in an alternating current manner to drive a two-phase switched reluctance motor (SRM), and a microprocessor controlling the switching converter at the time of initial acceleration of the two-phase SRM, so that an initially set dwell angle is changed to a dwell angle in a normal operation state and starting an advanced-angle control. | 2015-04-16 |
20150102752 | BRAKING SYSTEM FOR VEHICLE - A braking system for a vehicle is provided. The braking system includes a traction motor configured to provide traction during a driving mode. The traction motor is further configured to act as a generator during a braking mode. A resistor grid is configured to dissipate power from the traction motor in the form of waste heat. A thermoelectric module is interfaced with the resistor grid. Further, the waste heat provides a high temperature heat source for the thermoelectric module. A low temperature heat source is interfaced with the thermoelectric module. A temperature difference between the high temperature heat source and the low temperature heat source produces a thermoelectric power. | 2015-04-16 |
20150102753 | METHOD AND SYSTEM FOR CONTROLLING MOTOR OF ENVIRONMENTALLY-FRIENDLY VEHICLE - A method and system for controlling a vehicle motor are provided. The system includes an inverter that controls the motor to receive a torque command from an external system and output a torque based on the torque command. Additionally, a current command is generated based on the torque command and a operation condition of the motor. A voltage command is generated to be applied to the motor based on the current command and the operation condition of the motor. A pulse width modulation (PWM) command is generated based on the voltage command and the operation condition of the motor. The PWM command is converted to a voltage in a PWM form based on the motor operation condition and is applied to the motor. Then, an unwanted torque output of the motor generated based on a nonlinear characteristic of the motor is added and subtracted to and from the torque command. | 2015-04-16 |
20150102754 | APPARATUS FOR DRIVING MOTOR AND CONTROLLING METHOD THEREOF - Disclosed herein is an apparatus for driving a motor, the apparatus including: an inverter applying a direct current voltage to each phase of a brushless direct current (BLDC) motor by a switching operation; a reference voltage generating unit generating at least one reference voltage using a voltage of a neutral point of the BLDC motor; and a motor driver detecting a zero cross point (ZCP) of back electromotive force of each phase by comparing a phase voltage of each phase of the BLDC motor with the reference voltage and generating a PWM signal for controlling the switching operation of the inverter and a phase switching of each phase using information of a position of the zero cross point (ZCP). | 2015-04-16 |
20150102755 | DEVICE AND METHOD FOR OPERATING AN ELECTROMECHANICAL ADJUSTMENT DEVICE - A device and a method for operating an electromechanical adjustment device having an electric drive device, include a control unit that detects the reaching of a mechanical end stop of the adjustment device and controls and/or regulates the electric drive device. After a mechanical end stop of the adjustment device is reached, a change in the direction of rotation is automatically actuated in the electric drive device for a predefinable period of time or a predetinable traveling distance. | 2015-04-16 |
20150102756 | CONTROLLER AND CONTROL METHOD FOR MACHINE TOOL CAPABLE OF CHANGING MOTION DEPENDING ON MOTOR TEMPERATURE - A controller and a method for a machine tool, capable of discriminating the factors in overheating, and taking appropriate measures depending on each factor. A first amplifier of the controller has an acceleration/deceleration judging part which judges as to whether the spindle motor is accelerated or decelerated; a first temperature estimating part which estimates a first amount of change in temperature of the spindle motor when the spindle motor is in the acceleration/deceleration state; a second temperature estimating part which estimates a second amount of change in temperature of the spindle motor when the spindle motor is in the steady state; a comparing part which compares the first and second estimated values. A numerical controlling part of the controller transmits an operation command for changing the operation of at least one of the spindle motor and a feed shaft motor, when the spindle motor is overheated. | 2015-04-16 |
20150102757 | MONITORING MOTOR CONDITION - In various implementations, a condition of a motor may be monitored based at least partially on time required to achieve a change in speed. A notification may be transmitted based on the condition of the motor. | 2015-04-16 |
20150102758 | MOTOR DRIVE CONTROLLER, MOTOR DRIVE CONTROL METHOD AND MOTOR SYSTEM USING THE SAME - There are provided a motor drive controller, a motor drive control method, and a motor system using the same. The motor drive controller may include: a voltage-vector providing unit generating voltage vectors having the same magnitude; an inverter unit applying the voltage vectors to multiple phases of a motor device; and a rotor position determining unit detecting currents generated in the motor device by the voltage vectors and determining a position of a rotor of the motor device by using the currents and rotation information of the motor device. | 2015-04-16 |
20150102759 | POWER CONVERSION DEVICE, MOTOR DRIVE CONTROL APPARATUS INCLUDING THE POWER CONVERSION DEVICE, AIR BLOWER AND COMPRESSOR INCLUDING THE MOTOR DRIVE CONTROL APPARATUS, AND AIR CONDITIONER INCLUDING THE AIR BLOWER OR THE COMPRESSOR - A power conversion device includes a switching control unit that controls respective switching elements constituting a plurality of chopper circuits, a rectified-voltage detection unit, a bus-bar voltage detection unit, and a bus-bar current detection unit. The switching control unit includes an on-duty calculation unit that calculates a reference on-duty of respective drive pulses with respect to the switching elements based on a bus-bar voltage and a bus-bar current, an on-duty correction unit that corrects the reference on-duty to output on-duties of the respective drive pulses based on the bus-bar current, so that change amounts of respective reactor currents become substantially the same, and a drive-pulse generation unit that generates the respective drive pulses, based on the respective on-duties. | 2015-04-16 |
20150102760 | POWER SUPPLYING METHOD FOR INJECTION MOLDING MACHINE HAVING TRANSFORMER - An injection molding machine has a first servo amplifier configured to operate with a first voltage, a second servo amplifier configured to operate with a second voltage, and a transformer which has a primary side terminal and a secondary side terminal and transforms voltages mutually in a predetermined voltage ratio. A main power supply is connected to a primary side terminal or a secondary side terminal of the transformer, depending on whether a voltage of the main power supply supplied to the injection molding machine is equal to the first voltage or the second voltage, respectively. The first or the second servo amplifier is connected to a terminal of the transformer on the side where the main power supply is not connected. | 2015-04-16 |
20150102761 | System and Method for Using Capacitors in Wireless Networks - A battery-free wireless network is provided with one or more series or parallel capacitive networks. One or more solar panels are used to charge the capacitive networks and one or more charging circuits are used to control the charging of the capacitive networks. One or more DC-DC converters maybe used to provide a voltage to a wireless router, switch or other network device, the timer/clock circuitry, and a user interface. In those instances when it is desired that the timer/clock circuitry remain powered at all times, the timer/clock circuitry is preferentially preserved at the expense of the network device such that if, for any reason, the capacitive network is drained after running the network device, there will still be sufficient power stored in the capacitive network to maintain the timer/clock circuitry. | 2015-04-16 |
20150102762 | PORTABLE FOLDING PHOTOVOLTAIC SOLAR CHARGER - A portable, solar energy charger, comprises a plurality of panels. Each panel contains at least one solar cell for generating electrical energy responsive to solar energy. Each of the plurality of panels are interconnected to enable the plurality of panels to be folded on top of each other in a single stack in a closed configuration and to be unfolded to receive sunlight in an open configuration. A connector connects each of the plurality of panels to at least one other panel of the plurality of panels. The connector provides both a mechanical connection and an electrical connection between panels. The connector enables a first panel to be folded on top of a second panel and protect the at least one solar cells on the first panel and the second panel between the first panel and the second panel. A securing mechanism maintains the plurality of panels together in the closed configuration when the panels are folded on each other. | 2015-04-16 |
20150102763 | SYSTEM AND METHOD FOR DESULFATION OF A LEAD-ACID BATTERY - Desulfation of a primary battery of an onboard power system of a motor vehicle takes place during operation of an internal combustion engine using electrical energy transmitted to the primary battery front the internal combustion engine. When the internal combustion engine is switched off, or otherwise not operational, desulfation of the primary battery continues using a secondary battery wherein electrical energy is transmitted to the primary battery from the secondary battery. | 2015-04-16 |
20150102764 | WIRELESS CHARGING METHODS AND SYSTEMS FOR GAME CONTROLLERS, BASED ON POCKET-FORMING - The present invention provides wireless charging methods and systems for powering game controllers. The methods and systems may include one or more transmitters and one or more receivers. In some embodiments the transmitters and receivers may be embedded to game console and game controllers, respectively. In other embodiments, the transmitters and receivers may be connected as a separate device to the game console and game controllers, respectively. The method may include wireless power transmission through suitable techniques such as pocket-forming. | 2015-04-16 |
20150102765 | SWITCHING POWER SUPPLY DEVICE AND BATTERY CHARGER INCLUDING THE SAME - A switching power supply device includes a full-bridge circuit comprising a plurality of switching devices, a transformer comprising a primary coil and a secondary coil, the primary coil being connected to an output of the full-bridge circuit, and a DC/DC converter comprising a rectifier circuit. The rectifier circuit includes a plurality of diodes and is connected to the secondary coil to rectify a voltage outputted from the secondary coil. A snubber circuit includes a first snubber diode connected to an intermediate point of the secondary coil, a second snubber diode connected in series with the first snubber diode, the second snubber diode being connected to one end of an output capacitor, and a snubber capacitor connected between a node between the first and second snubber diodes and a positive side output of the rectifier circuit. | 2015-04-16 |
20150102766 | OUTPUT STAGE OF A CHARGING DEVICE - An output stage of a charging device includes a first secondary winding of a transformer, a first rectifier which is connected to the first secondary winding, a step-down controller which is connected to the output of the first rectifier, and a first output capacitor. In order to be able to reduce the switching losses in the switch of the step-down controller and to reduce the magnitudes of the inductance, the transformer includes a second secondary winding to which a second rectifier) together with a second output capacitor are connected, wherein the first and second output capacitors are connected in series. | 2015-04-16 |
20150102767 | MANAGEMENT OF HIGH-VOLTAGE LITHIUM-POLYMER BATTERIES IN PORTABLE ELECTRONIC DEVICES - The disclosed embodiments provide a system that manages use of a battery corresponding to a high-voltage lithium-polymer battery in a portable electronic device. During operation, the system monitors a cycle number of the battery during use of the battery with the portable electronic device, wherein the cycle number corresponds to a number of charge-discharge cycles of the battery. If the cycle number exceeds one or more cycle number thresholds, the system modifies a charging technique for the battery to manage swelling in the battery and use of the battery with the portable electronic device. | 2015-04-16 |
20150102768 | Electrical Energy Accumulation Device Based on a Gas-Electric Battery - A device for the accumulation of electrical energy contains a gas-electric battery having a hollow housing, partially filled with an electrolyte solution, and electrodes, positioned inside the hollow housing and made of a conductive adsorbent of the electrolysis gases. The electrodes are divided by a gas-permeable separator. Current-collectors linked to the electrodes are connected to a charge-discharge converter designed to allow for a periodic change in the polarity of the charge current during the charging process. The device makes it possible to provide a long operating life with minimal environmental pollution. | 2015-04-16 |
20150102769 | WIRELESS CHARGING OF TOOLS USING A TOOLBOX TRANSMITTER - Configurations and methods of wireless power transmission for cordless power tools are disclosed. Wireless power transmission for charging one or more cordless power tools may include a toolbox with an embedded transmitter capable of emitting RF waves for the generation of pockets of energy; a battery attached or embedded in the toolbox to supply power to the transmitter; a cable that may connect toolbox's battery to a suitable external power source for charging; and one or more cordless power tools which may include rechargeable batteries and receivers that may utilize pockets of energy for wireless charging or powering. When the battery in the toolbox is charged to suitable levels, the toolbox can be disconnected from the external power source and carried to an area or location where one or more cordless power tools may receive wireless charging. | 2015-04-16 |
20150102770 | CHARGING BATTERY UNIT AND ELECTRONIC DEVICE WITH THE SAME - A charging battery unit includes a receiving unit and a battery. The receiving unit includes a fixing member and a coil fixed on the fixing member. The coil receives external electromagnetic signals to generate induction currents. The battery is electrically connected to the coil and receives the induction currents generated by the coil. The present disclosure also relates an electronic device with the charging battery unit. | 2015-04-16 |
20150102771 | POWER RECEIVING APPARATUS AND POWER RECEIVING METHOD - Even in a case where a power receiving apparatus during wireless power supply is connected to an AC power supply or an apparatus cannot be immediately used after charging due to the occurrence of an error, if wireless power supply is performed, such wireless power supply is inefficient. An embodiment of this invention is made to solve this drawback. Depending on the presence/absence of the connection between the power receiving apparatus and the AC power supply, or depending on an error state of the power receiving apparatus, charging or relay of power from the power transmission apparatus is changed over. This makes it possible to efficiently supply power from the power transmission apparatus depending on the state of the power receiving apparatus. | 2015-04-16 |
20150102772 | SYSTEM FOR EXTRACTING A POOL CLEANING ROBOT - A system for extraction of a pool cleaning robot from a pool, the system may include a pool cleaning robot interface that is arranged to be coupled to a pool cleaning robot during an exit process during which the pool cleaning robot is extracted from the pool; and a pool cleaning robot manipulator that is coupled to the pool cleaning robot interface, wherein the pool cleaning robot manipulator is arranged to move the pool cleaning robot interface between a first and second portion; wherein when the pool cleaning robot interface is at the first position and is coupled to the pool cleaning robot, the pool cleaning robot is within the pool; wherein when the pool cleaning robot interface is at the second position and is coupled to the pool cleaning robot, the pool cleaning robot is positioned outside the pool. | 2015-04-16 |
20150102773 | WIRELESS POWER TRANSMITTER - The wireless power transmitter includes a first wireless transmitting unit disposed at a rear surface of the wireless power receiver and having a first charging scheme, and a second wireless transmitting unit disposed on at least one of side surfaces of the wireless power receiver and having a second charging scheme different from the first charging scheme. The wireless power transmitter may more efficiently charge the wireless power receiver. | 2015-04-16 |
20150102774 | APPARATUS FOR POWER WIRELESS TRANSFER BETWEEN TWO DEVICES AND SIMULTANEOUS DATA TRANSFER - A system for the wireless transfer of power includes a first device connected to a power supply source and provided with a first resonant circuit at a first frequency, a second device comprising at least one battery, provided with a second resonant circuit at said first frequency, arranged at a distance smaller than the wavelength associated with said first frequency and not provided with wires for the electrical connection with said first device. The first device is adapted to transfer a first signal representing the power to be sent to the second device for charging said at least one battery and comprises means adapted to modulate the frequency of said first signal for transferring data from the first device to the second device simultaneously with the power transfer. The second device comprises means adapted to demodulate the received signal, corresponding to the first signal sent from the first device, to obtain the transmitted data. | 2015-04-16 |
20150102775 | SYSTEMS, METHODS, AND DEVICE FOR INTELLIGENT ELECTRIC VEHICLE SUPPLY EQUIPMENT - Systems, methods, and devices for electric vehicle charging are described herein. In some aspects, a device for delivering power includes an environment sensor configured to generate a signal indicative of the sensed input and a controller operably connected to the environment sensor and configured to cause an adjustment of an amount of power drawn by an electric vehicle charger based on the generated signal. The device may further include an antenna operably connected to the controller and configured to transmit and receive broadcast signals from a plurality of other such devices via a personal area network, wherein the controller is configured to generate a cooperative charging policy for dividing power among a plurality of electric vehicle chargers based on the received signals. | 2015-04-16 |
20150102776 | Charging Device for Charging a Charge Storage Device - A charging device for charging a charge storage device includes a coupling device for coupling a connector for charging the charge storage device, an optical waveguide for illuminating the coupling device and/or for indicating a state of charge of the charge storage device, and a light source for coupling light into the optical waveguide. Search lighting and an indication of the state of charge of the charge storage device can be realized by way of the optical waveguide. | 2015-04-16 |
20150102777 | CASE FOR HOLDING AND RECHARGING ELECTRONIC CIGARETTES - An apparatus is described that comprises a rectangular case comprising a container and a top. The top is rotatably coupled to the container, wherein the interior of the container includes at least one battery, one or more electronic cigarette cartridges and a recharging component. The recharging component includes a USB plug, wherein the USB plug is deployable to engage with a USB port external to the container. The recharging component is coupled to the at least one battery through an electrical coupling. The recharging component is operable to recharge the at least one battery when the USB plug is engaged with the USB port. The top rotatably transitions from a closed position to an open position, the open position exposing the one or more electronic cigarette cartridges and the at least one battery for removal. | 2015-04-16 |
20150102778 | BATTERY PRESENCE DETECTING METHOD, APPARATUS AND CHARGING SYSTEM - Embodiments of the present invention provide a battery presence detecting apparatus, including: a detection triggering module, configured to detect a charging current on a battery terminal and trigger a logic control module when the charging current is less than a preset current threshold; the logic control module, configured to turn off a battery charging system and instruct a charging and discharging balancing module to perform a charging operation and then a discharging operation on the battery terminal; and a detection determining module, configured to detect a voltage on the battery terminal when the discharging operation is performed and determine whether the voltage on the battery terminal is less than a preset detection voltage, and if the voltage on the battery terminal is less than the preset detection voltage, determine that the battery is absent, and otherwise, determine that the battery is present. | 2015-04-16 |
20150102779 | Device and Method for Charging a Battery - A method for charging a battery is provided, wherein current pulses are supplied to the battery, wherein each pulse is followed by a rest period during which no current is supplied to the battery, and wherein the state of charge of the battery is determined during the rest period. | 2015-04-16 |
20150102780 | CHARGING/DISCHARGING CIRCUIT FOR ELECTROMECHANICAL ENERGY CONVERSION AND ELECTROMECHANICAL ENERGY CONVERSION SYSTEM - Electronic device ( | 2015-04-16 |
20150102781 | Fast Charging High Energy Storage Capacitor System Jump Starter - A fast charging high energy storage capacitor system jump starter is described. The jump starter apparatus incorporates a method of using reserve energy from a depleted electrical system such as an automobile battery, combined with a fast charging high energy capacitor bank to enable the rapid and effective way to jump start a vehicle. | 2015-04-16 |
20150102782 | VEHICLE-MOUNTED ELECTRIC ROTATING MACHINE - A vehicle-mounted electric rotating machine includes a field winding wound on a rotor for magnetizing a field pole of the rotor, a stator winding for generating an AC voltage in accordance with a rotating magnetic field generated by the field pole, a power converter for converting the AC voltage to a DC voltage and outputting the DC voltage through a first power supply line connected to an output terminal thereof, and a load dump handling section for performing a load dump protection operation when a voltage of the output terminal of the power converter exceeds a threshold voltage. The load dump handling section is supplied with operating power through a second power supply line provided separately from the first power supply line. | 2015-04-16 |
20150102783 | METHOD OF CONTROLLING SPEED OF A VARIABLE SPEED GENERATOR - Some embodiments relate to a method of controlling speed of a variable speed generator. The method includes detecting a load of the variable speed generator and determining a target speed for the variable speed generator based on the load supplied by the variable speed generator. The method further includes using a controller to adjust the speed of the variable speed generator based on the target speed. The method may further include correcting the target speed by calculating a correction factor that corrects the target speed based on a voltage produced by the variable speed generator. | 2015-04-16 |
20150102784 | POWER TRANSMISSION CONTROL APPARATUS - A power transmission control apparatus is for use with a vehicle that includes a power generator. The device includes a switching unit and a positioning unit. The switching unit includes an electric driving mechanism and an outer shell. The electric driving mechanism includes an. electric motor and a gear assembly. The positioning unit includes a position limiting member and an engaging portion that has first and second engaging ends. One gear of the gear assembly is driven by the electric motor to rotate between a non-supplying position, where the position limiting member engages the first engaging end and where the power generator cannot work, and a supplying position, where the position limiting member engages the second engaging end and where the power generator can work. | 2015-04-16 |
20150102785 | Dynamic High Energy Switch - A dynamic high-energy switch used for correcting load imbalance through connecting and disconnecting capacitance in a power feed circuit. | 2015-04-16 |
20150102786 | PFC CONTROL CIRCUIT, ACTIVE PFC CIRCUIT AND PFC CONTROL METHOD - The present invention relates to a PFC control circuit, an active PFC circuit, and a PFC control method. According to an embodiment of the present invention, a PFC control circuit including: an inductor current sensing unit for sensing an inductor current of a PFC circuit; an output voltage feedback unit for outputting a feedback output signal; a sensing and feedback signal application unit for outputting a sensing voltage signal during switching duty on of the PFC circuit and adding the feedback output signal to the sensing voltage signal to output the added signal during switching duty off of the PFC circuit; and a PFC control unit for generating a comparison signal and generating a duty control signal from the comparison signal and a first reference signal to make variations due to an internal offset be removed or reduced is provided. | 2015-04-16 |
20150102787 | BATTERY DISCHARGE CIRCUIT AND DISCHARGE METHOD WITH OVER DISCHARGE PROTECTION - A battery discharge circuit has a switching circuit and a controller. The switching circuit is coupled between a battery and a load. The controller is configured to generate a control signal to control the switching circuit. When the battery voltage drops below a first reference voltage, the controller adjusts the control signal to regulate the battery voltage to be equal to the first reference voltage. | 2015-04-16 |
20150102788 | Energy-Based Control Of A Switching Regulator - A system and method are provided for controlling a switching voltage regulator circuit. An energy difference between a stored energy of a switching voltage regulator and a target energy is determined. A control variable of the switching voltage regulator is computed based on the energy difference and the control variable is applied to a current control mechanism of the switching voltage regulator. In one embodiment, the control variable is pulse width of a control signal. | 2015-04-16 |
20150102789 | VOLTAGE REGULATOR - Provided is a voltage regulator capable of keeping the accuracy of an output voltage thereof even at high temperature. The voltage regulator includes: a reference voltage circuit configured to output a reference voltage; an output transistor configured to output an output voltage; a voltage divider circuit configured to divide the output voltage to output a divided voltage; an error amplifier circuit configured to amplify a difference between the reference voltage and the divided voltage, and output the amplified difference to control a gate of the output transistor; a switching circuit configured to switch the divided voltage of the voltage divider circuit; and a temperature detection circuit configured to output a signal in accordance with temperature to control the switching circuit. | 2015-04-16 |
20150102790 | METHOD FOR IDENTIFYING A SHORT-LINE FAULT OR A LINE INTERRUPTION FOR A SWITCHED INDUCTIVE LOAD - A method identifies a short-line fault or line interruption in a circuit configuration having a series circuit of inductive load and controllable switching element. The series circuit is connected between high and low potentials of a supply voltage source. A connecting point between load and switching element is connected through at least one zener element to the high or low potential of the voltage source or the control connection of the switching element so that upon interruption of current flow through the load due to switching off the switching element, magnetic energy stored in the load can be reduced by a zener element becoming conductive. After switching off the switching element, the voltage at the connecting point is ascertained and a voltage pulse duration is compared with a first prescribed duration. If the duration is shorter than the first prescribed duration, a line interruption or a short is inferred. | 2015-04-16 |
20150102791 | VOLTAGE REGULATOR CALIBRATION - The present disclosure describes a circuit for managing power and heat. The circuit includes a voltage regulator, and a calibration module comprising logic, at least partially comprising hardware logic. The calibration module is configured to identify a first voltage of the circuit when a current is not provided to the voltage regulator, and determine a second voltage of the circuit when a current is provided to the voltage regulator during a reset sequence. The calibration module is further configured to compare the first voltage to the second voltage. | 2015-04-16 |
20150102792 | VOLTAGE REGULATOR AND CONTROL METHOD THEREOF - A voltage regulator and a control method thereof are provided to dynamically adjust an output voltage. The voltage regulator comprises a plurality of switching transistors and a control circuit. The first end of each switching transistor receives a driving voltage, and the second end of each switching transistor is electrically connected to the end which outputs the output voltage. The input end and the feedback end of the control circuit respectively receive a reference voltage and the output voltage. A plurality of output ends of the control circuit are electrically connected to the control ends of the switching transistors respectively. Switching transistors adjust the output voltage. The control circuit compares the output voltage with the reference voltage, and selectively turns the switching transistors on or off according to the comparison between the output voltage and the reference voltage, to control the output voltage to approach the reference voltage. | 2015-04-16 |
20150102793 | SYNCHRONOUS RECTIFICATION CONTROL METHOD AND CONTROL CIRCUIT AND SWITCHING VOLTAGE REGULATOR - In one embodiment, a synchronous rectification control method can include: (i) setting or updating a count value when a rectification switch is turned on; (ii) generating an off enable signal after a delay time corresponding to the count value has elapsed; (iii) turning off the rectification switch based on the off enable signal, and comparing a drain-source voltage of the rectification switch against a reference voltage; and (iv) generating a comparison signal for updating the count value based on the drain-source voltage and the reference voltage. | 2015-04-16 |
20150102794 | DC-DC CONVERTER USING INTERNAL RIPPLE WITH THE DCM FUNCTION - A DC-DC converter, having an input voltage and an output voltage, includes an inductor and a switch switching the input voltage to an input side of the inductor, where a feedback path controlling initiation of closing the switch includes capacitive coupling of the voltage at the input side of the inductor. | 2015-04-16 |