16th week of 2012 patent applcation highlights part 19 |
Patent application number | Title | Published |
20120091869 | RETAINING AN INTERFACE ON AN AUTOMATED PRODUCT DISPSENSER - An embodiment of the present invention relates to an automated device for dispensing products, including a housing accessible via an opening hinged on a sleeper and made of a frame bearing a flexible polycarbonate plate. The housing also includes an interface for display and input by a user, and the opening includes a rigid mechanism for retaining the interface onto the frame, in the form of junction mounts that make it possible to place the interface on the front surface through an opening having a corresponding size and formed in the plate. | 2012-04-19 |
20120091870 | ELECTRONIC DEVICE ENCLOSURE - An electronic device enclosure includes a bracket and a handle. The bracket includes a front plate. A first securing piece extends from the front plate, and three first protrusions are defined in the first securing piece. The handle includes a handhold and a first mounting portion connected to the handhold. A first positioning hole is defined in the first mounting portion. The handle is attached to the first securing piece and rotatable relative to the front plate between a first position and a second position. In the first position, the handhold is substantially parallel to the front plate, and the first positioning hole receives a first one of the three protrusions. In the second position, the handhold is substantially perpendicular to the front plate, and the first positioning hole receives a second one of the three protrusions. | 2012-04-19 |
20120091871 | SUBSTRATE PROCESSING APPARATUS AND METHOD OF DISASSEMBLING AND ASSEMBLING THE SAME - A substrate processing apparatus includes: a chamber including a body having an open portion and a door for blocking the open portion; a substrate supporter connected to the door; and a door operating means including a rotation shaft for straightly moving and rotating the door, the door and the body separated in parallel from each other by straightly moving the door. | 2012-04-19 |
20120091872 | SYNCHRONOUS GUIDE OF A PUSH MEMBER AND PIECE OF FURNITURE - A synchronous guide of a drawer element mounted on a body of a piece of furniture or household appliance via pullout guides. The synchronous guide includes two stationary toothed racks located opposite each other, each toothed rack associated with a side member of the body. Further included are two gear wheels, each of which is mounted on one of the pullout guides, the gear wheels being connected via a coupling rod. The gear wheels are mounted in a stationary manner on running rails of the pullout guides. A piece of furniture or household appliance includes a drawer element mounted on a body of the piece of furniture or household appliance via pullout guide and includes a synchronous guide as described above. | 2012-04-19 |
20120091873 | FURNITURE SYSTEM - A furniture system which is readily reconfigurable into a variety of work surface configurations and shelving configurations as well as additional component configurations associated therewith so as to readily adapt the furniture system to the specific needs of an office area. The system includes a system of brackets which readily accommodates mounting of work surfaces at a variety of elevations, and a shelving system which maintains shelves of different materials and thicknesses so that the top surfaces thereof align in a common plane. | 2012-04-19 |
20120091874 | REFRIGERATOR - The present invention relates to a refrigerator, and more particularly, to a refrigerator in which the assembly of the internal constituents of a main body and doors can be formed in various shapes. | 2012-04-19 |
20120091875 | LIGHT SOURCE DEVICE - A necessary and sufficient amount of a UV-light is radiated to a high pressure discharge lamp for enabling reliable improvement in the starting performance by a starting light source of a simple configuration not increasing the manufacturing cost. | 2012-04-19 |
20120091876 | LED LIGHT BULB AND ITS BULB SHELL, AND METHOD OF MANUFACTURING THE BULB SHELL - A portion of a bulb shell of a LED light bulb is selected to be applied with a diffusion layer thereon to increase the amount of light projecting in the lateral and backward directions of the LED light bulb and thereby expand the effective illuminating space of the LED light bulb. A bulb shell is produced by applying a refractive film or fluorescent powder to a frosted shell base, and the process is thus simple, low-cost, and compatible with the manufacturing process of ordinary bulb shells. | 2012-04-19 |
20120091877 | ORGANIC LIGHT EMITTING DIODE FOR LIGHT-INDUCED PATTERNING WITH BUCKLING RESISTING PROPERTIES - An organic light emitting diode (OLED) ( | 2012-04-19 |
20120091878 | ELECTRON BEAM DISPLAY - In an electron beam display in which electron-emitting devices | 2012-04-19 |
20120091879 | PHOSPHOR AND LIGHT EMITTING DEVICE - The present invention provides a phosphor, including a constituent having the formula Ca | 2012-04-19 |
20120091880 | High performance fluorescent lamp - A high performance fluorescent lamp includes an air-tight glass envelop having sealed ends and a light cavity filled with inert gas and coated with a phosphor powder at an inner wall of the glass envelop. Two filaments are sealed at the sealed ends of the glass envelop respectively. A channel is formed at one of the sealed ends of the glass envelop at a location communicating with the light cavity of the glass envelop. An amalgam is retained within the channel at a position forming a preset distance between the respective filament and the amalgam. Therefore, the fluorescent lamp can be operated under different ambient temperature or different wattage of the fluorescent lamp with the similar type of amalgam by controlling a distance between the amalgam and the respective filament. | 2012-04-19 |
20120091881 | ELECTRON EMITTING DEVICE - The present invention provides an electron emitting device that includes a cathode, and a gate onto which electrons field-emitted from the cathode are irradiated. The gate includes at least a layer containing molybdenum and oxygen provided at a portion onto which the electrons field-emitted from the cathode are irradiated. The layer has peaks in a range of 397 eV through 401 eV, a range of 414 eV through 418 eV, a range of 534 eV through 538 eV, and a range of 540 eV through 547 eV, respectively, in a spectrum measured by electron energy loss spectroscopy using a transmission electron microscope. | 2012-04-19 |
20120091882 | ELECTROLUMINESCENT DEVICES WITH COLOR ADJUSTMENT BASED ON CURRENT CROWDING - A lighting system provides a system optical output, such as white light, as a function of an applied electrical signal. The system output can be characterized by a color temperature or other measure that represents the color or output spectrum of the output. The system is designed so that the color temperature changes as a function of the applied electrical signal. The changes in color temperature are at least in part a result of a phenomenon known as “current crowding”. | 2012-04-19 |
20120091883 | COLOR CONVERSION FILM USING POLYMERIC DYE, AND MULTICOLOR LIGHT-EMITTING ORGANIC EL DEVICE USING SAME - The present invention provides a color conversion film which can maintain sufficient conversion light intensity without increasing the thickness thereof, and a multicolor light-emitting organic EL device which uses such a film. The color conversion film of the invention includes a polymeric dye material composed of a first dye unit and a second dye unit. The first dye unit absorbs light incident on the color conversion film and transfers the energy of the absorbed incident light to the second dye unit. The second dye unit receives the energy from the first dye unit and emits light. | 2012-04-19 |
20120091884 | HEPTAAZAPHENALENE DERIVATIVES AND USE THEREOF IN ORGANIC ELECTROLUMINESCENT DEVICE - The present invention relates to an organic electroluminescent device comprising a pair of electrodes forming an anode and cathode, and one or more layers of organic compound arranged between the pair of electrodes, wherein the organic compound layer comprises heptaazaphenalene derivatives of formula (1). The present invention also relates to the said compounds. | 2012-04-19 |
20120091885 | NOVEL ORGANIC ELECTROLUMINESCENT COMPOUNDS AND ORGANIC ELECTROLUMINESCENT DEVICE USING THE SAME - Disclosed are novel organic electroluminescent compounds and organic electroluminescent devices comprising the same. | 2012-04-19 |
20120091886 | TRANSPARENT OLED DEVICE WITH HIGH INTENSITY - The present invention relates to an organic light emitting device (OLED) ( | 2012-04-19 |
20120091887 | Carbazole Compound, Material for Light-Emitting Element, Organic Semiconductor Material, Light-Emitting Element - To provide a novel carbazole compound that has an excellent carrier-transport property and can be used for a transport layer or as a host material in a light-emitting element. Further, to provide an organic semiconductor material and a material for a light-emitting element using the carbazole compound. A carbazole compound in which the 4-position of a dibenzothiophene skeleton or a dibenzofuran skeleton is substituted with the 2- or 3-position of a carbazole skeleton directly or via an arylene group can be synthesized. The carbazole compound is found to have a suitable carrier-transport property, a good film quality, and be used suitably as a material of a light-emitting element and an organic semicondcutor material. Note that nitrogen of the carbazole skeleton is substituted with any of a phenyl group, a biphenyl group, and a naphthyl group. | 2012-04-19 |
20120091888 | ORGANIC EL ELEMENT AND MANUFACTURING METHOD THEREOF - An organic EL element is provided with a substrate; an electrode set on the substrate; an organic EL layer set on the electrode; and a bank which define the organic EL layer. A lyophilicity at a top of the bank is higher than a lyophilicity at a bottom surface of the bank, and a lyophilicity of the bank gradually changes from the bottom surface of the bank to the top of the bank. | 2012-04-19 |
20120091889 | PHOTOMULTIPLIER TUBE - The photomultiplier tube | 2012-04-19 |
20120091890 | PHOTOMULTIPLIER TUBE - The photomultiplier tube | 2012-04-19 |
20120091891 | ARC TUBE FOR DISCHARGE BULB AND DISCHARGE BULB INCLUDING THE SAME - An arc tube for a discharge bulb includes: an electrode assembly that has an electrode bar and a molybdenum foil, wherein an overlapping portion of an end portion of the electrode bar and a molybdenum foil is joined by spot welding; a pinch seal portion that seals a part of the electrode assembly, the part including at least the molybdenum foil; and a closed glass bulb, into which a tip of the electrode bar protrudes, the closed glass bulb forming a discharge light-emitting portion, wherein the size of a recess, which is a weld mark, in the molybdenum foil on the side opposite to a joint portion, at which the molybdenum foil and the electrode bar are joined with each other, is within a range from 0.07 mm | 2012-04-19 |
20120091892 | PLASMA CRUCIBLE SEALING - A plasma crucible has a through bore and two tubes butt scaled on to the end faces of the crucible. One of the tubes is closed prior to the filling of the crucible. The tube is tipped off and worked in a glass lathe to form it to have a flat end. After evacuation, dosing and gas fill, the other tube is tipped off in the similar manner. | 2012-04-19 |
20120091893 | EXTREME ULTRAVIOLET LIGHT SOURCE APPARATUS - In an EUV light source apparatus, a collector mirror is protected from debris damaging a mirror coating. The EUV light source apparatus includes: a chamber in which extreme ultraviolet light is generated; a target supply unit for supplying a target material into the chamber; a plasma generation laser unit for irradiating the target material within the chamber with a plasma generation laser beam to generate plasma; an ionization laser unit for irradiating neutral particles produced at plasma generation with an ionization laser beam to convert the neutral particles into ions; a collector mirror for collecting the extreme ultraviolet light radiated from the plasma; and a magnetic field or electric field forming unit for forming a magnetic field or an electric field within the chamber so as to trap the ions. | 2012-04-19 |
20120091894 | LED DRIVING DEVICE - An LED (Light-Emitting Diode) driving device is electrically connectable with an alternating current (AC) power supply and includes an electronic converter received in the driving device and a first connector, which is formed on an end of the driving device to connect with the AC power supply and in electrical connection with the electronic converter, and a second connector, which is formed on another end of the driving device for connection with an LED lighting module. When the first connector is set in electrical connection with the AC power supply, the above arrangement allows for conversion of electrical current and voltage to those applicable to an LED lighting module within 10 W rating. | 2012-04-19 |
20120091895 | AUTOMATICALLY CONFIGURING OF A LIGHTING - The invention relates to automatically configuring of a lighting, particularly to creating a lighting, which follows a person, with a networked lighting system. A basic idea of the invention is to configure lighting in a network of lamps in that a lamp of the network adjusts its light emission depending on presence detection in its own direct environment and the presence detected in the environment of other lamps of the network. An embodiment of the invention relates to a system ( | 2012-04-19 |
20120091896 | EFFICIENT ADDRESS ASSIGNMENT IN CODED LIGHTING SYSTEMS - Coded light has been proposed to enable advanced control of light sources and transmit information using light sources. It is based on invisibly embedding of data and identifiers in their light output. Methods, devices and systems configured to efficient assignment of addresses in a coded lighting system, still allowing for unique identification, are proposed. More specifically, the assignment of addresses occurs in two phases, where in the initial phase wide area unique addresses are used, while in the second phase only local area unique addresses are used. Also, methods, devices and systems configured to efficiently distribute a set of addresses over a set of light sources in this second phase, to maximize the performance of the illumination contribution estimation, and positioning, are disclosed. | 2012-04-19 |
20120091897 | NATURAL LIGHTING APPARATUS AND HYBRID ILLUMINATION SYSTEM USING SAME - The present invention relates to a natural lighting apparatus using sunlight, and more specifically, to a natural lighting apparatus using sunlight, wherein a second light condensing member is formed in the focal region of a first light condensing member so as to convert the sunlight condensed in the focal region through the first light condensing member into straight parallel light rays such as a laser beam through the second light condensing member, thereby being capable of supplying the sunlight of a high luminous flux indoors. In addition, the present invention relates to a hybrid illumination system which uses the natural lighting apparatus together with an artificial illumination and makes the utmost use of the natural lighting apparatus, thereby enabling the saving of energy. | 2012-04-19 |
20120091898 | LIGHT-EMITTING APPARATUS - A light-emitting apparatus is electrically connected to a power supply unit. The light-emitting apparatus includes at least one first light-emitting module and a second light-emitting module. The first light-emitting module includes a first light-emitting unit and a first driving circuit, which are electrically connected to each other. The second light-emitting module is electrically connected to the first light-emitting module, and includes a second light-emitting unit and a second driving circuit, which are electrically connected to each other. The first driving circuit adjusts a current passing through the first light-emitting unit in accordance with a first parameter representing the operating state of the second light-emitting module. The second driving circuit adjusts a bypass current bypassing the second light-emitting unit in accordance with a second parameter representing the lighting state of the light-emitting apparatus. | 2012-04-19 |
20120091899 | LIGHTING DEVICE - A remote control light receiver receives the infrared rays from an infrared LED incorporated in a remote control unit operated by the user, extracts the signal transmitted from the remote control unit, and outputs the extracted signal to a control microcomputer. The carrier frequency of the signal transmitted from the remote control unit is 38 kHz. A PWM control circuit performs PWM control by using an arbitrary PWM frequency within a range of 300 Hz to 3 kHz. By separating the PWM frequency and the frequency (carrier frequency) of the signal for remote control into different bands, the signal for remote control can be restrained from being affected by the turning on of the light source by PWM control, whereby remote control can be prevented from malfunctioning. | 2012-04-19 |
20120091900 | OUTDOOR LIGHTING SYSTEM - According to an embodiment of the present invention, a lighting system includes a low-voltage power supply (for example, including a transformer, solar cell, battery, etc.), power conductor(s) electrically connected with the low-voltage power supply, and two low-voltage light fixtures electrically connected to the power conductor(s). Each of the light fixtures has a respective control portion. The control portions simultaneously enable different operating modes for the first and second light fixtures. Such modes could include a constantly on/off mode, a dusk-to-dawn mode, a dusk to a time period after dusk mode, half-power dimming mode, or a motion detection mode. | 2012-04-19 |
20120091901 | ILLUMINATION DEVICE - An illumination device, includes: a photovoltaic power generation unit; a battery unit for storing the electric power generated in the photovoltaic power generation unit; a light source to be turned on using the battery unit as a power source; a human detecting sensor; a human determining unit for determining presence/absence of the human based on a detection result of the human detecting sensor; a season determining unit; and a lighting control unit for, if the human determining unit determines that the human exists, turning on the light source at a specified dimming rate for a specified on-duration. The lighting control unit is configured to, based on a season determination result of the season determining unit, make power consumption of the light source in a season having a reduced daytime period smaller than power consumption of the light source in a season having an increased daytime period. | 2012-04-19 |
20120091902 | LIGHT EMITTING DEVICE SYSTEM COMPRISING A REMOTE CONTROL SIGNAL RECEIVER AND DRIVER - The invention relates to a light emitting device system ( | 2012-04-19 |
20120091903 | LUMINAIRE COMBINING AMBIENT LIGHT AND TASK LIGHT - A luminaire is disclosed that allows a transfer from ambient light to task light through physical manipulation by the user. The luminaire comprises OLED light sources for generating an ambient light effect and LED light sources for generating a task light effect. | 2012-04-19 |
20120091904 | Hybrid Gas Discharge Lamp-Led Lighting System - A lighting system and method combine at least one LED and at least one gas discharge lamp within a common housing. The lighting system includes a control system to dependently operate each LED and each gas discharge lamp during overlapping, non-identical periods of time. In at least one embodiment, the control system can provide light output by activating LEDs during gas discharge preheating operations and thus extend the useful life of each gas discharge lamp. When dimming the lighting system, the control system can reduce current to the gas discharge lamps and one or more gas discharge lamps can be phased out as dimming levels decrease. As dimming levels decrease, one or more of the LEDs can be activated or groups of LEDs can be phased in to replace the light output of the dimmed gas discharge lamps. Thus, the lighting system can reduce power consumption at low dimming levels. | 2012-04-19 |
20120091905 | PHASE SHIFT CIRCUIT AND DIMMING CIRCUIT INCLUDING THE SAME - A phase shift circuit includes an on signal generator, an off signal generator, and a channel signal generator. The on signal generator generates an on signal having a rising edge shifted by a predetermined phase based on a pulse width modulation (PWM) signal, the off signal generator generates an off signal based on the PWM signal and the on signal, and the channel signal generator generates a channel signal that is enabled in response to the rising edge of the on signal and disabled in response to a rising edge of the off signal. | 2012-04-19 |
20120091906 | AC DRIVEN LIGHT-EMITTING DIODES - Disclosed is a lighting device including a circuit including at least two parallel-connected light-emitting diodes of opposite pole in a first parallel branch and comprising at least two parallel-connected light-emitting diodes of opposite pole in a second parallel branch, and also including a capacitor and a coil. At least one of the diodes emits red light, blue light, and/or white light. | 2012-04-19 |
20120091907 | LIGHTING CIRCUIT FOR LIGHTING LED, LAMP AND LIGHTING DEVICE - A lighting circuit that receives power from an alternating-current power supply | 2012-04-19 |
20120091908 | DRIVING CIRCUIT AND DRIVING METHOD OF BACKLIGHT MODULE OF DISPLAY APPARATUS - The present invention provides a driving circuit and a driving method of a backlight module of a display apparatus. The driving method comprises the following steps: utilizing a phase detector to detect voltage phases of an inductor and a capacitor of a resonant circuit; utilizing a frequency adjusting module to obtain an operation frequency according to a phase detection signal; and utilizing a driving chip to drive a DC-to-AC power stage circuit according to the operation frequency. The invention can improve the transformation efficiency of the driving circuit. | 2012-04-19 |
20120091909 | METHOD AND DEVICE FOR PROGRAMMING A MICROCONTROLLER - A programming device ( | 2012-04-19 |
20120091910 | Dimming Control for Electronic Lamp - In one embodiment, an apparatus includes circuitry configured to receive a dimming input to control a dimming level of a lamp. Also, the apparatus includes circuitry configured to generate a control signal based on the dimming input. The control signal indicates the dimming level for a converter of the lamp and the converter is configured to interpret the control signal to control to the dimming level of the lamp using a sinusoidal signal. | 2012-04-19 |
20120091911 | ARRANGEMENT AND METHOD FOR IMPROVING THE POWER FACTOR OF A LIGHTING - An arrangement and method for improving the power factor of a lighting includes a compensating device having a first pin electrically connected to a power source and a second pin electrically connected to a third joining. The power source is electrically connected to a first joining, and a fluorescent tube is electrically connected to the third joining and the first joining. The compensating device and the power source will become an open loop while the fluorescent tube is broken or removed so as to save energy. | 2012-04-19 |
20120091912 | BACKLIGHT HAVING BLUE LIGHT EMITTING DIODES AND METHOD OF DRIVING SAME - An LED backlight array in which every LED, regardless of whether it is a red, green, cyan, or blue LED, contains a blue emitter. As each LED contains the same type of emitter, the backlight can be driven by a single blue driver circuit, rather than separate red, green, cyan, and blue drivers. That is, the present disclosure removes the need for red, cyan, and green driver circuits, allowing for simpler and cheaper backlights. Additionally, even though the LED backlight can contain LEDs of different colors, each has a blue emitter, and thus possesses similar aging characteristics. | 2012-04-19 |
20120091913 | Dynamic power control for a two wire process instrument - A process instrument includes a transducer, a two wire interface, a microprocessor, a digital to analog converter, a first control circuit, and a second control circuit. A current passing through the two wire interface indicates a condition of the transducer. The microprocessor is interfaced with the transducer. The digital to analog converter receives a signal from the microprocessor indicating a current value. The first control circuit is coupled to the digital to analog converter and adapted to control the current passing through the two wire interface to the current value. The second control circuit is coupled to the digital to analog converter and supplies current to a secondary load. | 2012-04-19 |
20120091914 | FAULT TOLERANT ION SOURCE POWER SYSTEM - The presently disclosed technology provides a responsive ion beam source power supply system capable of handling fault events without relying on conventional protection circuitry (e.g., fuses and breakers) so that physical power supply hardware intervention by a user is minimized for typical fault conditions and the ion beam source power supply system may recover automatically after experiencing a fault condition. The presently disclosed technology further discloses an ion beam source power supply system capable of detecting and diagnosing fault states, autonomously implementing command decisions to preserve or protect the function of other ion source modules or sub-systems, and/or mitigating or recovering from the disruptive fault event and returning the ion beam source system to desired user settings. | 2012-04-19 |
20120091915 | POWER LINE COMMUNICATION METHOD AND APPARATUS FOR LIGHTING CONTROL - A transmitter apparatus and a ballast/driver receiver apparatus are presented for transmitting control information through a lighting system power line connection to a ballast or driver in which the transmitter selectively interrupts power delivery in select AC line power cycles to indicate data of a first binary state an uninterrupted power cycles indicate a second binary state with the receiver decoding the message data bits of different binary states based at least partially on the interruptions. | 2012-04-19 |
20120091916 | RADIATION SOURCE - An embodiment of the invention relates to a cascade semiconductor light source comprising: | 2012-04-19 |
20120091917 | LED LIGHT FIXTURE WITH BACKGROUND LIGHTING - An illumination device with a number of light sources arranged in at least two groups of light sources that are individually controllable. The first group of light sources ( | 2012-04-19 |
20120091918 | PICTURE SELECTION METHOD FOR MODULAR LIGHTING SYSTEM - It is disclosed a method for associating pixels of visual content displayed on a display unit with pixels of lighting modules, where each lighting module comprises a plurality of pixels, and the lighting modules are adapted to be comprised in a lighting system comprising a plurality of lighting modules and a control device, wherein the control device is adapted to communicate control signals to the lighting modules. Each of the lighting modules may communicate control signals with neighboring lighting modules, and to any of the pixels of the lighting module. Pixels of the visual content may be selected by means of a visual representation of pixels associated with the lighting modules displayed onto the display unit, wherein each pixel of the visual representation corresponds to a pixel of the lighting modules. Pixel values of the visual content may be associated with respective pixels of the visual representation on the basis of positions of pixels of the visual representation relatively to positions of pixels of the visual representation, and pixel values of the visual content. By communicating controls signals, for each pixel of the visual representation associated with a pixel value, corresponding to the pixel value to the pixel of the lighting module that corresponds to the pixel of the visual representation associated with a pixel value, a user may in principle view a result of the pixel association on the lighting modules in real-time. It is further disclosed a system adapted to perform the method. | 2012-04-19 |
20120091919 | LED LIGHTING APPARATUS SYSTEM AND METHODS - A lighting system includes a substrate having openings therein, and a plurality of light emitting diodes positioned within at least some of the openings in the substrate. A power supply is electrically coupled to the plurality of light emitting diodes positioned within the openings. An opaque layer of material substantially covers the substrate and the plurality of openings placed on a first side of the substrate, and the light emitting diodes in the openings. The opaque layer allows light from the plurality of light emitting diodes to pass through the layer when powered. When not powered, the opaque layer substantially hides the plurality of light emitting diodes. | 2012-04-19 |
20120091920 | LED Light Source with Direct AC Drive - A light source and method for operating a light source are disclosed. The present invention includes a light source and method for using the same. The light source includes a power coupler, a reconfigurable two-dimensional LED array and a controller. The power coupler is configured to receive a power potential that varies as a function of time. The LED array has a plurality of configurations of LEDs, each configuration being characterized by a minimum bias potential and a maximum bias potential. The LED array generates light when a potential between first and second power terminals is greater than the minimum bias potential. The controller varies the configuration of the array such that the power potential remains between the minimum and maximum bias potentials as the power potential varies. | 2012-04-19 |
20120091921 | SYSTEM FOR LIGHT SIGNALLING - System for light signalling to supply a moving light reference ( | 2012-04-19 |
20120091922 | TUNGSTEN CATHODE MATERIAL - A tungsten cathode material to be used for TIG welding, plasma spraying, plasma cutting, electro-discharge machining, discharge lamps, and the like is improved; use of the radioactive element thorium is reduced; and a long life and a high performance are realized. In a tungsten cathode material, oxide particles containing an oxide or oxides of at least one selected from the group consisting of Sm, Nd, Gd, and La in a total amount of 50 vol % or more are dispersed, the oxide particles having an average particle diameter d satisfying the relationship 02012-04-19 | |
20120091923 | Organic-Light-Emitting Diode and Luminaire - Organic light-emitting diodes as well as luminaires with such organic light-emitting diodes are specified. The luminaires may in particular be the following apparatuses, or the luminaires are part of existing apparatuses: alarm, shower cubicle, shower head, solar protection, rain protection, lamp, bed, signalling light, changing cubicle, vision protection, housing, emergency lighting, mirror, slabs, ceiling lights, radiator cladding, blinds, noise protection, umbrella, warning light. | 2012-04-19 |
20120091924 | Fluorescent lamp starter unit having a hot socket insert capability - A fluorescent lamp starter unit determines whether the lighting fixture into which it has been plugged is in a first state (for example, the lamp is off) or is in a second state (for example, the lamp is on). If the fixture is in the first state then the starter unit uses a first method to detect ballast type, whereas if the fixture is in the second state then the starter unit uses a second method to detect ballast type. In one example, the first method involves turning on the power switch of the starter unit at a time after a zero-crossing and then using the periodicity of a transient switch current signal to determine ballast type, whereas the second method involves turning on the power switch at the time of the zero-crossing and then using peak amplitude information of the transient switch current to determine ballast type. | 2012-04-19 |
20120091925 | PLANAR LIGHT SOURCE DEVICE, DISPLAY DEVICE, TERMINAL DEVICE, AND METHOD FOR DRIVING PLANAR LIGHT SOURCE DEVICE - A display device is provided including an optical waveguide, and a light source, and also a louver, a transparent/scattering state switching element, and a transmissive liquid crystal display panel, provided in order on the side of a light-emitting surface of the optical waveguide. The transparent/scattering state switching element switches between a state for scattering the incident light and a state for transmitting the light without scattering. The light source drive circuit causes the transparent/scattering state switching element to transfer from the transparent state to the scattering state, and when the viewing angle range of the display is switched from narrow to wide, the intensity of the light source is gradually increased in conjunction with the transition state of the transparent/scattering state switching element. | 2012-04-19 |
20120091926 | ELECTRONIC SPEED CONTROLLER APPARATUS WITH SIGNAL DIVIDING PORT DEVICE AND CONTROL METHOD THEREOF - The present invention discloses an electronic speed controller apparatus with a signal dividing port device and a control method thereof. An electronic speed controller apparatus comprises an electronic speed controller, a radio receiver, and a signal dividing port device. The radio receiver is electronically connected with the electronic speed controller. The signal dividing port device is electronically connected with the electronic speed controller. The signal dividing port device has at least one port. In the present invention, the radio receiver receives signals from a signal emitting station and transmits the signals to the electronic speed controller, the signal dividing port device integrates power button, light emitting module and at least one port to further electrically connection with a programming adapter or a terminal. | 2012-04-19 |
20120091927 | METHOD OF MEASURING AND EVALUATING MECHANICAL OUTPUTS OF PIEZOELECTRIC ACTUATORS, CONTROLLING METHOD OF THE SAME, AND APPARATUS USING THOSE METHODS - The present invention relates to a method of measuring and evaluating rigidity of a target object or mechanical output, such as force, displacement, and mechanical energy generated by a piezoelectric actuator and applied to the target object, according to only a measured value of electric quantity without use of a mechanical sensor, and a method of controlling the piezoelectric actuator, and a device using these methods. | 2012-04-19 |
20120091928 | POSITION DETECTOR FOR MOVING MAGNET TYPE LINEAR MOTOR - The present invention provides a position detector which can detect the position of a mover on the side of a stator, and which realizes detection with high accuracy in a moving magnet type linear motor. | 2012-04-19 |
20120091929 | DUTY RATIO CONTROL DEVICE, ELECTRIC POWER TOOL AND RECORDING MEDIUM - A duty ratio control device includes a duty ratio calculation unit and a parameter setting unit. The duty ratio calculation unit, when an acceleration manipulation is performed, calculates a control duty ratio per predetermined timing based on a value of at least one parameter so that a rotation speed of a motor mounted on an electric power tool reaches a target rotation speed corresponding to the acceleration manipulation. The control duty ratio is calculated to be larger as the value of the at least one parameter is larger. The parameter setting unit sets the value of the at least one parameter. The value of the at least one parameter set for a reacceleration manipulation is larger than the value of the at least one parameter set for an initial acceleration manipulation. | 2012-04-19 |
20120091930 | POWER SUPPLY SYSTEM, ELECTRIC VEHICLE PROVIDED WITH SAME, AND CONTROL METHOD OF POWER SUPPLY SYSTEM - When it is determined by a determining portion ( | 2012-04-19 |
20120091931 | INDUCTION MOTOR TORQUE CONTROL IN A PUMPING SYSTEM - A system and method are provided for controlling the speed of a motor driving a load that is electrically connected to a generator driven by an engine, through use of a first control feedback loop configured to control the rotor flux of the motor by controlling the field excitation of the generator, and a second control feedback loop configured to control the speed of the motor by controlling the throttle position of the engine. | 2012-04-19 |
20120091932 | ELECTRODYNAMIC BRAKING DEVICE FOR A UNIVERSAL MOTOR - An electrodynamic braking device for a universal motor is proposed, wherein during a braking operation a field winding is supplied from a network, and an armature is directly short-circuited, and a braking operation is carried out using a program of a controller of a control electronics system, whereby good braking is achieved with relatively low brush wear. Such an electrodynamic braking device is advantageously applied in a power tool equipped with a dangerous tool. | 2012-04-19 |
20120091933 | CONTROL APPARATUS FOR POWER CONVERSION SYSTEM INCLUDING DC/AC CONVERTER CONNECTED BETWEEN ELECTRIC ROTATING MACHINE AND DC POWER SOURCE - A control apparatus is for use in a power conversion system including a DC/AC converter circuit connected to an electric rotating machine at output terminals thereof and to a DC power source at input terminals thereof through a switching means, a capacitor being connected across the input terminals of the DC/AC converter circuit. The control apparatus includes a current supply means configured to perform current supply control to supply a current to the electric rotating machine in order to discharge the capacitor by manipulating the DC/AC converter circuit in a state where the switching means is set open, and a speed lowering means configured to apply a brake force to a rotating shaft of the electric rotating machine to reduce a rotational speed of the electric rotating machine prior to the current supply control being performed by the current supply means if the rotational speed exceeds a specified speed. | 2012-04-19 |
20120091934 | METHOD FOR DAMPING ELECTROMECHANICAL OSCILLATIONS IN AN ELECTROMECHANICAL SYSTEM AND OSCILLATION DAMPING SYSTEM FOR EMPLOYING SUCH METHOD - A method is provided for damping electromechanical oscillations in an electromechanical system including at least one electric machine operable with an angular speed and a phase of the angular speed being coupled to at least one torque load and producing an electromotive force. The method includes deriving actual values of the electromotive force and adjusting the phase of the angular speed, based on the derived actual values of the electromotive force, in a direction in which an oscillatory behavior of the electric machine is reduced. | 2012-04-19 |
20120091935 | METHOD AND APPARATUS TO DRIVE TWO-PHASE MOTORS FROM A THREE-PHASE BRIDGE - A motor drive for driving two-phase motors using a three-phase bridge output stage, and a method of operating the drive. The driven two-phase motor can be a two-phase bipolar motor (such as a hybrid stepping motor). The drive can also be configured so that a single output stage can be used to drive either two-phase or three-phase motors, with or without a feedback sensor. A reference return is provided from one of the three half-bridge output stages with each of the motor phase windings connected between the reference return and one of the other half-bridge outputs. The switches of each half-bridge are modulated so that current can be controlled in each of the two motor phase windings. | 2012-04-19 |
20120091936 | MOTOR CONTROLLER - A motor controller controlling a rotational speed of a motor and including a thermal detector, a capacitor, an operational amplifier (OP), a charging/discharging circuit, a flip-flop and a logic circuit. The thermal detector detects environmental temperature of the motor to set a first reference voltage. The capacitor has one terminal coupled to a second reference voltage while another terminal thereof is charged/discharged by the charging/discharging circuit, controlled by a pulse width modulation (PWM) signal, to provide a third reference voltage. The OP compares the first and third reference voltages and outputs the comparison result to a ‘set’ terminal of the flip-flop. The flip-flop further uses a ‘reset’ terminal to receive a clock signal and the output signal thereof is utilized in generating the PWM signal. The PWM signal is further provided to the logic circuit for setting a duty cycle of a driving current of the motor. | 2012-04-19 |
20120091937 | CONTROL CIRCUIT FOR FAN - A control circuit includes a current sensing circuit, an analog digital converter (ADC), an amplifying circuit, a processor, and a switching circuit. The current sensing circuit senses current supplied to an electronic device by a power supply and outputs a first voltage signal. The amplifying circuit amplifies the first voltage signal output from the current sensing circuit to a second voltage signal. The ADC converts the second voltage signal to a digital signal. The processor outputs pulse width modulation (PWM) signals according to the digital signal. The switching circuit receives the PWM signals to control a fan of the electronic device according to the PWM signals. | 2012-04-19 |
20120091938 | CORRECTION OF COUNTING ERRORS IN THE EVALUATION OF CURRENT RIPPLES IN A DC MOTOR - A method for detecting a regulating variable of a mechanically commutated DC motor in a positioning device for a motor vehicle is provided. The DC motor has a standard ripple pattern, which contains per engine cycle or semi-cycle at least one index ripple, which is classified with regard to amplitude, duration and/or time position. The counter-electromotoric power is calculated from a measured motor current and the measured motor voltage by a motor model. An alternating element corresponding to the current ripples is extracted from the counter-electromotoric power, which in turn is used to determine the current ripples. Further, in at least one engine cycle or engine semi-cycle the index ripple is identified and the total identified current ripples are counted. The result of the count is hereby corrected when the index ripple is not counted at the expected position. | 2012-04-19 |
20120091939 | HIGH VOLTAGE DC ELECTRIC POWER GENERATING SYSTEM WITH PERMANENT MAGNET GENERATOR PROTECTION - A permanent magnet generator system provides protection from fault conditions. The system includes a permanent magnet generator having a first, second, and third winding wherein each winding has a first end and a second end. During the normal mode of operation, the first ends of the windings are shorted to a first neutral point and alternating current (AC) voltage developed in the first, second and third windings is provided to a primary output associated with the second ends of the windings. In response to a fault condition on the primary output side of the system, the second ends of the windings are shorted together to a second neutral point and the first ends of the windings are disconnected from the first neutral point. During the backup mode, AC voltage developed in the windings is provided to a secondary output associated with the first ends of the windings. | 2012-04-19 |
20120091940 | AC MOTOR AND CONTROL APPARATUS FOR THE SAME - An AC motor is provided. In the AC motor, there are M pieces (M is an integer of 3 or more) of stator pole groups SPG are arranged in a rotor axis direction, where each of the stator poles groups is composed of a plurality of stator poles which are for the same phase and arranged in a circumferential direction of the motor. Between the stator pole groups SPG, “M−1” pieces of annular windings WR are arranged which allow one-way current to flow therethrough. The windings WR are arranged such that the directions of current passing therethrough are reversed in turn in the rotor axis direction. The stator pole groups SPG are excited to generate magnetic fluxes φG directed in a one way. The excited directions of the magnetic fluxes φG are reversed in turn in the rotor axis direction. | 2012-04-19 |
20120091941 | Flux controller for induction motor - Disclosed is a flux controller for maintaining reliable flux estimation performance in a low velocity region, the controller including a velocity controller, a torque current controller for outputting a torque voltage command, a flux controller for outputting a flux current command, a flux current controller for receiving the flux current command to output a flux voltage command, a three-phase converter for converting the torque voltage command and the flux voltage command into a three-phase voltage command applied to the induction motor to output the three-phase voltage command, a flux estimator for outputting a rotating angle of a rotor of the induction motor, an estimated flux value of the rotor and an estimated velocity of the rotor, and a flux regulator for receiving the torque voltage command and the estimated velocity to output a gain value that regulates a magnitude of the flux command. | 2012-04-19 |
20120091942 | SUBMERGED CHARGING STATION - A submerged charging station having a rechargeable energy producing device is disclosed. The device comprises a submerged thermally based electric generator that comprises a temperature-responsive material that utilizes differences in depths in order to generate energy. The submerged thermally based electric generator changes depths along a tether that is attached to a buoy and an anchor. The submerged thermally based electric generator provides energy to a battery, which can be part of the charging station, or to an autonomous underwater vehicle (AUV) that travels to different charging stations to be recharged. | 2012-04-19 |
20120091943 | SOLAR CELL CHARGING CONTROL - To prevent the battery of a solar charged device from discharge when insufficient solar radiation is present, a control circuit is provided to disable the charging circuits under those conditions. A current load is applied to the output of the solar cell, and the level of power drawn by this load from the solar cell is measured. Control circuits disable the charging circuits of the device when the signal from the current monitor indicates that insufficient solar power is detected. The monitor current load should be such that the power drawn by it should be at least of the same order as the power required by the charging circuitry for its quiescent operation. A series switch may be used so that current is drawn through the load only when solar output is sufficient to enable charging. Alternatively, a periodically pulsed switch may be used to limit the load current. | 2012-04-19 |
20120091944 | JUMP START ADAPTER - An apparatus for providing a low cost, quick, and convenient automobile jump starting system and method. The jump start system comprises an adapter suitable to receive at least one hand held power tool battery. The adapter in certain embodiments comprises conductive metallic spring clips for making electrical connection(s) between the tool battery and the adapter. The adapter further comprises a plurality of connectible gauge wires (serving as booster cables) each having biasing connectors (alligator clips). The distal ends of the gauge wire(s) may be removably connectible to the adapter or may be rigidly fixed to the adapter. The Jump Start Adapter System may also be removably connected to the vehicle battery using biasing connectors or may be hard wired to the vehicle electrical system eliminating the need for biasing connectors. The proximate end(s) of the connectible gauge wire(s) comprise the biasing connectors for making connection to the dead battery of the vehicle when using a free-standing jump start adapter system. One of the connectible gauge wires is a red color-coded eight-gauge wire serving as a positive cable and the other connectible gauge wires is a black color-coded eight-gauge wire serving as a negative cable. The Jump Start Adapter system of the present invention allows individuals to jump-start various types of vehicle engines using a rechargeable battery from a power tool battery. | 2012-04-19 |
20120091945 | DIGITAL FLASH CHARGER CONTROLLER - A digital flash charger controller includes a transformer, a power supply element, and an application-specific integrated circuit (ASIC). A secondary side of the transformer is electrically connected to an energy storage device, and the power supply element is used to supply an electric power to a primary side of the transformer. The ASIC outputs a pulse-width-modulation (PWM) signal to control whether the electric power is input to the primary side, and the ASIC converts a sensing signal generated at the secondary side of the transformer to a digital signal, and tracks a sensing negative edge of the sensing signal according to the digital signal to adjust a cutoff time of the PWM signal, such that the next pulse positive edge approaches the corresponding sensing negative edge. | 2012-04-19 |
20120091946 | Battery management system and method of estimating battery state of charge - A battery management system and method accurately estimate a state of charge (SOC) of a battery. For this, the battery management system may include a unit SOC calculator calculating a unit SOC by using a charge/discharge current of a battery, an electromotive force SOC calculator calculating an electromotive force SOC using an electromotive force of the battery; a corrector calculating a compensation amount using the electromotive force SOC and a previous SOC, and an SOC calculator calculating a current SOC using the unit SOC, the previous SOC, and the compensation amount. | 2012-04-19 |
20120091947 | SUPPLY UNIT AND A METHOD FOR SUPPLYING AN ELECTRICALLY OPERATED DEVICE - The invention relates to a supply unit ( | 2012-04-19 |
20120091948 | CONSOLE DOOR POCKET FOR ELECTRONIC DEVICES - A wireless power charging or supply system provides a wireless charging coil mounted on or in console in a vehicle interior. Electronic devices placed in or near the console are powered and/or charged by the charging coil. The charging coil may be located in a door having a pocket for receiving the electronic device. | 2012-04-19 |
20120091949 | WIRELESS ENERGY TRANSFER FOR ENERGIZING POWER TOOLS - A wireless energy transfer system for energizing power tools includes at least one source resonator, configured to generate an oscillating magnetic field, and at least one power tool component attached to at least one device resonator, wherein the at least one device resonator is configured to wirelessly receive energy from the at least one source resonator via the oscillating magnetic field, and wherein the at least one power tool component can receive energy at multiple positions relative to the at least one source. | 2012-04-19 |
20120091950 | POSITION INSENSITIVE WIRELESS CHARGING - A wireless charging pad includes a capacitively-loaded conducting loop source resonator, with a characteristic size, L | 2012-04-19 |
20120091951 | APPARATUS AND METHOD FOR DISPLAYING MEASURED STRENGTH IN WIRELESSLY CHARGING BATTERY - In an electronic apparatus for charging a battery using wireless power transmission, a receiving unit receives power wirelessly transmitted from a transmission unit of a charger pad. A power supply unit receives power from the receiving unit and uses the received power as charging power or provides the received power to a measurement unit. The measurement unit measures at least one of a power, voltage or current applied to the power supply unit through the wireless power transmission. A display unit displays an indication as to a possibility of charging or an estimated remaining charging time according to the measured one of the power, voltage, and current. A control unit provides a command to the measurement unit so as to measure the at least one of the power, voltage and current applied to the power supply unit and controls the display unit. | 2012-04-19 |
20120091952 | CONTACTLESS CHARGING SYSTEM - Provided is a contactless charging system which can easily position a primary coil in a contactless charging apparatus and a secondary coil in a device to be charged. The contactless charging system ( | 2012-04-19 |
20120091953 | AC CURRENT CONTROL OF MOBILE BATTERY CHARGERS - A charging system and method that improves utilization of available AC power during onboard charging of energy storage systems of electric vehicles. An onboard charging method for an energy storage system of an electric vehicle, the method using an AC power source, includes a) establishing a maximum DC charging current for the energy storage system responsive to a control signal indicating real-time available current/power from the AC source; and b) controlling a charging system to provide an actual DC charging current, up to the maximum DC charging current, to the energy storage system. | 2012-04-19 |
20120091954 | CHARGING CONTROL APPARATUS - A charging control apparatus mounted on a vehicle connected to an external charging device through a charging connector, for performing control related to charging, includes a voltage sensor for detecting a voltage applied to the charging connector, and a control device for estimating, based on variation in voltage detected by the voltage sensor during a predetermined period of time after the charging connected to the vehicle, variation in voltage applied to the charging connector after a lapse of the predetermined period of time, and determining that a failure has occurred in the external charging device if a degree of separation between the variation in voltage detected by the voltage sensor after the lapse of the predetermined period of time and the estimated variation in voltage is larger than a predetermined value. | 2012-04-19 |
20120091955 | Electric Vehicle Battery Recharge-Replacement System - An electric vehicle battery recharge-replacement system has four major parts: (1) a rechargeable battery pack consisting of a number of separate sub-packs with an identical dimension and energy capacity, (2) a same number of battery sub-pack compartments on an electric vehicle, and all sub-pack compartments having an identical dimension, (3) a recharging array consisting of a number of individual recharging compartments stacking together, and each recharging compartment having a dimension same as the vehicle sub-pack compartment, and (4) some battery sub-pack holding cases, each of which having an identical dimension. With this system, battery pack replacement can be realized by replacing drained battery sub-packs in an electric vehicle's compartments with recharged battery sub-packs in a recharging array's compartments. In this system, each battery sup-pack can further consist of two to four identical sub-sub-packs, which are even lighter and easier to handle. | 2012-04-19 |
20120091956 | CHARGING DEVICE, SYSTEM, AND METHOD FOR CONTROLLING A CHARGING DEVICE - A charging device for use with an electric vehicle having a power storage device includes a current control device configured to selectively enable current to be received from an electrical distribution device and supplied to the power storage device. The charging device also includes a processor coupled to the current control device. The processor is configured to determine a first amount of current available to be at least one of received from the electrical distribution device and supplied by the charging device, and control the current control device to enable a second amount of current to be at least one of received from the electrical distribution device and supplied to the power storage device if the second amount of current does not exceed the first amount of current determined to be available. | 2012-04-19 |
20120091957 | CHARGING CABLE AND CHARGING SYSTEM FOR ELECTRICALLY POWERED VEHICLE - A charging cable includes a charging connector configured to be connectable to a vehicular inlet. The charging connector includes a lock button for locking the charging connector onto the charging inlet; a limit switch configured to be switchable, according to an operation onto the lock button, between a first state in which a control pilot wire and a ground wire are connected to each other and a second state in which a cable connection signal wire and the ground wire are connected to each other; and a lighting device configured to be capable of being driven according to a signal in a signal wire connected via a limit switch. | 2012-04-19 |
20120091958 | VEHICLE, CHARGING CABLE, AND CHARGING SYSTEM FOR VEHICLE - In a charging system for a vehicle for charging a power storage device, including the vehicle having the power storage device, and a charging cable for transmitting electric power supplied from an external power supply outside of the vehicle to the power storage device, charging information about charging performed by a charging device is set based on a signal generated by operation of an operation switch provided on a charging connector. This configuration can improve operability during charging. | 2012-04-19 |
20120091959 | VEHICLE GUIDANCE SYSTEM WITH INTERFACE - A vehicle guidance system is provided with a controller configured to receive input signals indicative of an instantaneous charging port position relative to an external charging pad and a charging status. The controller is further configured to transmit a vehicle status signal in response to the input signals. An interface communicates with the controller, and is configured to display a vehicle position indicator and a charging status message in response to the vehicle status signal. | 2012-04-19 |
20120091960 | CHARGING DEVICE AND METHOD OF DETECTING A CONNECTION TO GROUND - A charging device includes a current control device configured to receive a first amount of current from a power source. The charging device also includes a ground detection module including a leakage circuit configured to direct a second amount of current to ground to generate a leakage voltage and a comparison circuit configured to detect a connection to ground of the charging device based on the leakage voltage generated. The charging device also includes a controller coupled to the ground detection module and to the current control device. The controller is configured to enable the first amount of current to be supplied to a power storage device of an electric vehicle when the connection to ground is detected. | 2012-04-19 |
20120091961 | ELECTRIC VEHICLE SUPPLY EQUIPMENT WITH STORAGE CONNECTOR - An electric vehicle charging system includes a housing, an electric vehicle supply circuit disposed within the housing and constructed and arranged to provide power to an electric vehicle from a power source, and a storage connector movably attached to the housing and configured to engage an electric vehicle charging connector. The storage connector may be configured to rotate between a first position to hold the charging connector to the housing and a second position for insertion/removal of the charging connector. The storage connector may be configured to engage a latch on the electric vehicle charging connector to hold the charging connector to the storage connector. | 2012-04-19 |
20120091962 | BATTERY MANAGEMENT SYSTEM UTILIZING STACKABLE BATTERIES - An energy storage system includes a battery management system that has a plurality of loads connected in electrical series with one another, and a controller operatively connected to the plurality of loads. A first battery pack has battery cells connected in electrical series with respect to one another to establish a system voltage. The first battery pack is connected in electrical parallel to the plurality of loads. The controller is operable to balance charges of the battery cells by activating selected ones of the loads. The battery management system and the first battery pack are configured such that an additional battery pack with additional battery cells connected in electrical series with respect to one another or an additional load pack with additional loads connected in electrical series with respect to one another is connectable to the battery management system. A method of managing battery capacity is also provided. | 2012-04-19 |
20120091963 | BATTERY FAULT TOLERANT ARCHITECTURE FOR CELL FAILURE MODES PARALLEL BYPASS CIRCUIT - A by-pass circuit for a battery system that disconnects parallel connected cells or modules from a battery circuit or controls the current through the parallel connected cells or modules. If a cell has failed or is potentially failing in the system, then the by-pass circuit can disconnect the cell or module from other cells or modules electrically coupled in parallel. If a cell or module has a lower capability than another cell or module, then the by-pass circuit can control the current to the cell or module to maximize the performance of the system and prevent the system from creating a walk-home condition. | 2012-04-19 |
20120091964 | BATTERY FAULT TOLERANT ARCHITECTURE FOR CELL FAILURE MODES SERIES BYPASS CIRCUIT - A battery cell by-pass circuit that has particular application for by-passing cells in a high voltage battery for a vehicle. The battery includes a plurality of battery cells electrically coupled in series. The by-pass circuit includes a first switch electrically coupled in series with one or more of the battery cells, a by-pass line electrically coupled around the one or more battery cells and a second switch electrically coupled in the by-pass line and in parallel with the one or more battery cells. During normal cell operation, the first switch is closed and the second switch is open so that current flows through the one or more battery cells. If the one or more battery cells fail or are failing, the first switch is opened and the second switch is closed so that current by-passes the one or more cells and they are removed from the battery circuit. | 2012-04-19 |
20120091965 | Power storage apparatus - A power storage apparatus includes a main power line, a first battery rack connected to an output terminal of the main power line at a first distance from the output terminal, a second battery rack connected to an output terminal of the main power line at a second distance from the output terminal, the second distance being different from the first distance, and a load resistor connected between the second battery rack and the main power line, the load resistor having a resistance that adjusts an impedance difference between the first battery rack and the second battery rack, the impedance difference resulting from a difference between the first distance and the second distance. | 2012-04-19 |
20120091966 | CHARGING CONTROL METHOD AND BATTERY PACK FOR SECONDARY BATTERY - A charge control method of secondary batteries including measuring a charge current value when charging ends with regard to an assembled battery where a plurality of secondary batteries are connected in series, in parallel, or in series-parallel, storing the charge current value, and performing charging of the secondary batteries at the stored charge current value when starting the next charging with regard to the secondary batteries. | 2012-04-19 |
20120091967 | POWER STABILIZATION SYSTEM AND POWER STABILIZING METHOD - According to one embodiment, a power stabilization system includes a first power converter which is connected to a power system and performs bidirectional conversion between AC power and DC power. The power stabilization system includes a plurality of battery modules each including a secondary battery. The power stabilization system includes a second power converter which is connected between the first power converter and the battery module, converts DC power from the first power converter and charges a secondary battery of the battery module, and converts electric power charged in the battery module and discharges the converted electric power to the first power converter. The power stabilization system includes a controller which controls charge or discharge of each of the plurality of battery modules in accordance with a state of the power system. | 2012-04-19 |
20120091968 | METHOD AND APPARATUS FOR TRACKING MAXIMUM POWER POINT - Disclosed are a method and an apparatus for tracking a maximum power point. An apparatus for tracking a maximum power point according to an exemplary embodiment of the present disclosure includes: a system controller monitoring a plurality of energy sources for each predetermined period and selecting an energy source having a maximum power among the plurality of energy sources; and a maximum power tracking unit limiting an output voltage of the selected energy source to a reference voltage determined by an open circuit voltage of the selected energy source to track the maximum power point from the selected energy source and store the power of the selected energy source in a battery. | 2012-04-19 |