06th week of 2012 patent applcation highlights part 18 |
Patent application number | Title | Published |
20120032556 | METHOD FOR OPERATING AN OUTPUT STAGE FOR AT LEAST ONE PIEZOACTUATOR - A method for operating an output stage for a piezoactuator includes checking, during an operating phase, in response to the undershooting of a current for the piezoactuator below a setpoint current, whether a point in time for the undershooting lies outside or within a time window. A subsequent current pulse is controlled via the setpoint current if the point in time is located outside the time window, and the subsequent current pulse is controlled via a turn-on time if the point in time is located within the time window. | 2012-02-09 |
20120032557 | VIBRATION GENERATING DEVICE, DRIVING METHOD THEREFOR, FOREIGN SUBSTANCE REMOVING DEVICE, AND OPTICAL DEVICE - Provided is a vibration generating device in which more improvement of drive efficiency can be realized than conventional ones. The vibration generating device includes: a piezoelectric element including a piezoelectric material interposed between electrodes; a vibration member; a power source for applying an alternating voltage to the piezoelectric element; and a control section for controlling a frequency of the alternating voltage applied by the power source, in which the control section controls the frequency of the alternating voltage applied to the piezoelectric element so that the resonance frequency of the piezoelectric element is successively changed from low frequency side to high frequency side in a frequency range including a change range of a resonance frequency of the piezoelectric element. | 2012-02-09 |
20120032558 | ULTRASONIC MOTOR - In an ultrasonic motor, an elliptical vibration is generated by combining a longitudinal primary resonance vibration, resulting from an expansion and a contraction of a vibrator in a direction of a central axis, and a torsional secondary resonance vibration or a torsional tertiary resonance vibration resulting from twisting of the vibrator about the central axis. A dimension ratio of a rectangle of the vibrator is chosen such that a resonance frequency of the longitudinal primary resonance vibration, resulting from the expansion and the contraction of the vibrator in the direction of the central axis, and a resonance frequency of the torsional secondary resonance vibration or the torsional tertiary resonance vibration, resulting from twisting of the vibrator about rotation axis, substantially match. The vibrator includes, stacked in a short side direction of the cross-section, at least one torsional piezoelectric body that generates the torsional secondary resonance vibration or the torsional tertiary resonance vibration, and a piezoelectric body for longitudinal vibration that generates at least the longitudinal primary resonance vibration. | 2012-02-09 |
20120032559 | ACTUATOR AND ACTUATOR STRUCTURE - An actuator includes a first bending portion having a first electrode layer, a first electrolyte layer on a first surface of the first electrode layer, and a second electrode layer in contact with the first electrolyte layer; and a second bending portion having the first electrode layer, a second electrolyte layer on a second surface of the first electrode layer, the second surface facing the first surface, and a third electrode layer in contact with the second electrolyte layer, in which the first surface of the first electrode layer includes a region where the first electrolyte layer is not arranged, the second surface of the first electrode layer includes a region where the second electrolyte layer is not arranged, the first bending portion is adjacent to the second bending portion, and the bending direction of the first bending portion is opposite to the bending direction of the second bending portion. | 2012-02-09 |
20120032560 | Apparatus and Method for Downhole Energy Conversion - An apparatus for generating electrical energy in downhole tool is disclosed. In one exemplary embodiment, such apparatus includes a tubular configured to flow a fluid within the tubular and an energy conversion device at a selected location inside the tubular, wherein the energy conversion device comprises an active material configured to convert received pressure pulses in the fluid into electrical energy. | 2012-02-09 |
20120032561 | Piezoelectric Device With Tuning-Fork Type Piezoelectric Vibrating Piece - To provide the piezoelectric device and the manufacturing method thereof, in which the quartz-crystal side surface electrodes and the base side surface electrodes are ensured to be electrically connected without disconnection. The piezoelectric device ( | 2012-02-09 |
20120032562 | At-Cut Quartz-Crystal Device and Methods for Manufacturing Same - The present disclosure provides a manufacturing method of a quartz-crystal device, in which its lid and base is manufactured with smaller thermal expansion coefficient between AT-cut quartz-crystal wafer. The method for manufacturing a quartz-crystal device comprises the steps of: preparing an AT-cut quartz-crystal wafer ( | 2012-02-09 |
20120032563 | Mesa-Type At-Cut Quartz-Crystal Vibrating Piece and the Quartz-Crystal Device - The present disclosure provides a mesa-type AT-cut quartz-crystal vibrating piece, in which amount of the vibrating unit is adjusted to appropriate amount, in order to inhibit unnecessary vibration and to prevent degradation. The mesa-type AT-cut quartz-crystal vibrating piece ( | 2012-02-09 |
20120032564 | POLYMER ACTUATOR DEVICE - A polymer actuator device includes an electrolyte layer, a pair of electrode layers that are provided on both surfaces of the electrolyte layer in a thickness direction of the electrolyte layer, a polymer actuator that is bent when a voltage is applied between the pair of electrode layers, and terminal parts that apply a voltage to the polymer actuator. The polymer actuator includes a deformable portion and a supported portion. A conductive porous member is interposed between a first electrode layer, which is positioned on the side of the supported portion of the polymer actuator corresponding to a negative electrode, and the terminal part. | 2012-02-09 |
20120032565 | DISPENSER FOR DISPENSING TISSUE PAPER AND METHOD FOR DISPENSING TISSUE PAPER - A dispenser for dispensing tissue paper. The dispenser includes a housing defining a volume for receiving both a center-feed tissue paper roll and a tissue paper stack, a first dispensing opening situated in the housing for dispensing tissue paper from a center-feed tissue paper roll, and a second dispensing opening situated in the housing for dispensing tissue paper sheets from a tissue paper stack. | 2012-02-09 |
20120032566 | HOUSING AND FABRICATION METHOD THEREOF - A housing includes a main body having an interface and a plastic portion molded on the interface. The main body defines a nanostructure in the interface. The nanostructure includes a plurality of regular, repeating units. A pitch between the adjacent units is in the range from 10 nanometers to 500 nanometers. A height of each unit is in the range from 10 nanometers to 100 nanometers. A surface roughness of the nanostructure is in the range from 1 nanometer to 10 nanometers. | 2012-02-09 |
20120032567 | ELECTRONIC DEVICE FRAME - A frame of an electronic device is a closed frame, and made of plastic material. The frame defines one or more deformation grooves at the corners of the frame to be expanded out or inwardly narrowed for changing a size of the frame. The frame includes a positioning portion and a support portion extending from an inner surface of the positioning portion. The deformation grooves are defined in the support portion. | 2012-02-09 |
20120032568 | ELECTRONIC DEVICE FRAME - A frame of an electronic device is a closed frame and made of plastic material. The frame forms one or more tooth structures at the corners of the frame to extend further out or to be compactly arranged to be pushed closer together for changing a size of the frame. Each tooth structure includes a plurality of rectangular teeth and a plurality of trapezoidal teeth. The trapezoidal teeth are positioned between the rectangular teeth. | 2012-02-09 |
20120032569 | Appliance Door Prop Mechanism - A latch plate and striker assembly serve also to prop open the door of a front load laundry washer or other washing or laundry appliance, so as to releasably maintain the door in an open, chamber venting position (regardless of whether the appliance installation is perfectly level). The latch plate also includes a ramped receptacle, and the strike structure includes a prong designed to be guided into the receptacle by the ramp, to align (as necessary) the door strike with the door latch/lock as the door is closed. | 2012-02-09 |
20120032570 | FLAP DRIVE SYSTEM - The invention relates to a flap drive system for a flap which is movably mounted on a furniture carcass, the flap drive system being arranged on a sidewall of the furniture carcass. The flap drive system comprises: a mechanical actuating unit having an actuating arm that can be connected to the flap and an accumulator acting upon the actuating arm, an electric drive, fastened on the mechanical actuating unit, for driving the flap, said electric drive having at least one electric motor, and a gear stage which allows the transmission of force from the electric drive onto the mechanical actuating unit. The gear stage is designed as a separate component and has a housing that is independent from the mechanical actuating unit and the electric drive or an independent mounting plate. | 2012-02-09 |
20120032571 | HOUSING TO ENCLOSE ELECTRONIC COMPONENTS OF A WEIGHING SCALE - A housing ( | 2012-02-09 |
20120032572 | Refrigerator having gap adjuster - A refrigerator having a gap adjuster includes a main body, at least one door to open and close the main body, and the gap adjuster located between the main body and the at least one door such that a length of the gap adjuster is increased or decreased so as to adjust a gap between the main body and the at least one door. | 2012-02-09 |
20120032573 | LIGHT EMITTING DIODE - An LED comprises a substrate, an LED chip mounted on the substrate, an encapsulation encapsulating the LED chip, and a phosphor layer containing phosphor particles disposed on an outer surface of the encapsulation. A luminous intensity I of light generated by the LED chip and a radiation angle θ are in Lambertian distribution and satisfy following formula: I=I | 2012-02-09 |
20120032574 | STRUCTURE OF LED (LIGHT-EMITTING DIODE) LIGHTING BULB - A structure of LED (Light-Emitting Diode) lighting bulb has a fin base, a pillar, a circuit board, an electrical connector, and a cover. The fin base forms a bore extending through a central portion and the bore has an inner circumferential surface forming an internal thread. The pillar has an outer circumferential surface forming an external thread, and the pillar is received and retained in the bore through threading engagement. The circuit board is mounted to an end of the pillar, and the circuit board carries an LED and conductor wires. The electrical connector is recessed to form a hollow configuration having an inside surface forming threading, and is coupled to the pillar through threading engagement while electrically connected to the conductor wires. The cover is mounted to the fin base. The mounting arrangement of the pillar and circuit board facilitates replacement of the circuit board and maintenance. | 2012-02-09 |
20120032575 | PHOTOPOLYMERIZATION DEVICE - The present invention provides a photopolymerization device which allows a space irradiated with a light to have a high temperature while inhibiting a temperature rise of a light source used for the space. | 2012-02-09 |
20120032576 | PHOTO-STIMULATED LOW ELECTRON TEMPERATURE HIGH CURRENT DIAMOND FILM FIELD EMISSION CATHODE - An electron source includes a back contact surface having a means for attaching a power source to the back contact surface. The electron source also includes a layer comprising platinum in direct contact with the back contact surface, a composite layer of single-walled carbon nanotubes embedded in platinum in direct contact with the layer comprising platinum. The electron source also includes a nanocrystalline diamond layer in direct contact with the composite layer. The nanocrystalline diamond layer is doped with boron. A portion of the back contact surface is removed to reveal the underlying platinum. The electron source is contained in an evacuable container. | 2012-02-09 |
20120032577 | LED LIGHTING DEVICE - An LED lighting device has a cap, a circuit board assembly and a bulb envelope. The circuit board assembly is electrically mounted on the cap and has multiple circuit boards intersecting to each other to form a light frame with a crisscross section, and has multiple LEDs mounted on the circuit boards. The circuit board assembly may further have a top circuit board mounted on one end of the light frame. The top circuit board also has multiple LEDs mounted thereon. Sine the circuit boards intersect to each other to constitute the light frame, the light frame provides a large surface area for mounting a lot number of LEDs. Therefore, the LED lighting device is able to provide a wide angle illumination with enhanced lighting intensity. | 2012-02-09 |
20120032578 | LIGHT EMITTING APPARATUS AND METHOD FOR MANUFACTURING THEREOF - A light emitting apparatus includes a light emitting device emitting primary light and a wavelength conversion unit absorbing a part of the primary light to emit secondary light. The wavelength conversion unit includes a first wavelength conversion unit containing at least a nanocrystalline phosphor and a second wavelength conversion unit containing a rare-earth-activated phosphor or a transition-metal-element-activated phosphor. In the light emitting device, the first wavelength conversion unit and the second wavelength conversion unit are closely stacked in order. | 2012-02-09 |
20120032579 | Phosphor, production method thereof and light emitting instrument - A light emitting element includes a light-emitting source for emitting light at a wavelength of 330 to 500 nm and a constituent phosphor. The constituent phosphor includes a compound including M, A, Al, O, and N, where M is at least one kind of element selected from Mn, Ce, Nd, Sm, Eu, Tb, Dy, Ho, Er, Tm, and Yb, and A is at least one kind of element selected from C, Si, Ge, Sn, B, Ga, In, Mg, Ca, Sr, Ba, Sc, Y, La, Gd, Lu, Ti, Zr, Hf, Ta, and W. | 2012-02-09 |
20120032580 | PHOSPHOR BLEND AND FLUORESCENT LAMP CONTAINING SAME - A phosphor blend is described wherein the blend consists of a red-emitting rare earth phosphor, a green-emitting rare earth phosphor, and a blue-emitting rare earth phosphor wherein the 50% size of the phosphors is between about 12 to 15 μm. The phosphor blend is incorporated into a fluorescent lamp having an increased efficacy. A dual layer coating may be used to provide an additional increase in efficacy. | 2012-02-09 |
20120032581 | PLASMA DISPLAY PANEL AND FIELD EMISSION DISPLAY - It is an object of the present invention to provide a PDP and an FED with excellent visibility and a high level of reliability that each have an antireflective function by which reflection of external light can be reduced. A plurality of adjacent pyramidal-shaped projections and an antireflective layer equipped with a covering film that covers the projections are provided. The reflection of light is prevented by the index of refraction of incident light from external being changed by a pyramid, which is a physical shape, projecting out toward an external side (atmosphere side) of a substrate that is to be used as a display screen as well as by the covering film used to cover the projections being formed of a material that has a higher index of refraction than the index of refraction of the pyramidal projection. | 2012-02-09 |
20120032582 | ORGANIC ELECTROLUMINESCENT DISPLAY UNIT AND METHOD FOR FABRICATING THE SAME - An organic electroluminescent display unit including at least one transistor electrically connected to a scan line and a data line; a first photo-sensor including a first reflective bottom electrode, a first photo-sensitive layer and a first transparent top electrode; a second photo-sensor including a second reflective bottom electrode, a second photo-sensitive layer and a second transparent top electrode, the first photo-sensor being electrically connected to the second photo-sensor; a reflective conductive layer including a pixel electrode, a light-shielding pattern, and a connection pattern, the pixel electrode being electrically connected to the transistor, the light-shielding pattern being electrically connected to the second transparent top electrode and entirely covered the second photo-sensitive layer, and the connection pattern electrically connected to the first transparent top electrode, the first reflective bottom electrode, and the second reflective bottom electrode; an organic electroluminescent layer; and a cathode layer. | 2012-02-09 |
20120032583 | ORGANIC ELECTROLUMINESCENT DEVICE - An organic electroluminescent device includes a first substrate including first to fourth pixel regions; an organic electroluminescent diode on the first substrate and in each of the first to fourth pixel regions, the organic electroluminescent diode emitting a white light; a second substrate facing the first substrate; and a color filter layer positioned between the organic electroluminescent diode and the second substrate or between the organic electroluminescent diode and the first substrate and including a red color filter pattern, a green color filter pattern, a blue color filter pattern and a white color filter pattern corresponding to the first to fourth pixel regions, respectively, wherein the white color filter pattern has a first transmittance with respect to a blue light greater than a second transmittance with respect to a red light and a green light. | 2012-02-09 |
20120032584 | DISPLAY APPARATUS - A display apparatus includes an organic electroluminescent element that emits blue light, an organic electroluminescent element that emits green light, and an organic electroluminescent element that emits red light. An optical adjustment layer provided on the organic electroluminescent element that emits red light has a thickness d | 2012-02-09 |
20120032585 | LIGHT EMITTING ELEMENT - Provided is a light emitting element capable of reducing external light reflectance while maintaining high light extraction efficiency, having a structure including a back surface member provided on a side of an emission layer opposite to a light extraction side, the back surface member including in order from the emission side: a dielectric layer having a smaller effective refractive index than that of the emission layer; and a metal fine patterned layer interacting with light entering a metal fine patterned layer to change level of reflectance, and back surface member reflectance with respect to light with an incident angle larger than the critical angle determined by conditions for total reflection at an interface between the emission and the dielectric layer is higher than back surface member reflectance with respect to light with an incident angle smaller than the critical angle. | 2012-02-09 |
20120032586 | MERCURY-VAPOR DISCHARGE LAMP FOR HOMOGENEOUS, PLANAR IRRADIATION - Known mercury-vapor discharge lamps for planar irradiation are provided with a lamp bulb made of quartz glass, which encloses a closed discharge space having a non-linear gas-discharge channel. In order to provide a structurally simple lamp, which also guarantees a highest possible homogeneity of the UV irradiation, even for a small distance to the surface to be treated, the lamp bulb is formed as a quartz-glass chamber defined by straight walls and having bottom, top, and side walls and is divided into sub-chambers by several separating webs made of quartz glass and projecting from the bottom wall to the top wall. These sub-chambers include a front-most sub-chamber and a rear-most sub-chamber and form in series interconnection the non-linear gas-discharge channel. The separating webs extend alternately from one side wall up to close to the opposite side wall, while leaving open a gap connecting adjacent sub-chambers in a fluid-communicating manner. One electrode is allocated to the front-most sub-chamber and the other electrode is allocated to the rear-most sub-chamber. | 2012-02-09 |
20120032587 | LED string light - A LED string light includes an elongated tubular casing having an elongated light cavity therewith, a light source arrangement being received within the light cavity, and a control unit electrically linking to the light source for controlling and operating the light source arrangement, so as to provide electricity thereto. The light source arrangement further includes at least one conductive wire, and a plurality of diode units spacedly and directly coupled along the conductive wire to generate a 360° light emitted from each of the diode units. Each of the diode units includes a diode sealably encased by a diode enclosure, which is encasing the diode with the conductive wire to maintain the diode in position, so as to minimize the size of the diode unit. Therefore, the diameter of the casing is reduced. | 2012-02-09 |
20120032588 | LIGHT SOURCE DEVICE - A light source device having a good heat dissipation capability is disclosed, in which heat generated by a light emitting device is conducted to a base fabricated by a porous material through a heat conducting mask or a heat conducting pipe. Due to a large area contact between the heat conducting mask or the heat conducting pipe and the base, the heat can be evenly conducted to the base, so that the base can absorb the heat and dissipate the heat to external, so as to improve a heat dissipation efficiency. Moreover, in the light source device of the disclosure, heat exchange of the light emitting device can be directly carried on through air convection, so that the heat generated by the light emitting device can be taken away from the light source device through heat exchange of cool air. | 2012-02-09 |
20120032589 | LIGHT EMITTING DIODE LAMP - An LED lamp includes a first LED string and a second LED string connected in parallel to each other and a variable resistor connected in series with one of the first and second LED strings. The first LED string provides a first color temperature. The LED string provides a second color temperature difference from the first color temperature. The variable resistor includes a resistance track with resistance coils wound thereon and a slider moveable along the resistance track. When a position of the slider of the variable resistor is changed, an electric current flowing through the one of the first and second strings is changed accordingly to adjust the color temperature of the LED lamp. | 2012-02-09 |
20120032590 | ORGANIC ELECTROLUMINESCENCE DISPLAY APPARATUS - An organic EL display apparatus includes a plurality of pixels and a lens array which includes a light-condensing lens portion and a flat portion disposed on the light-emitting surface side of each pixel. Each pixel includes a light-emitting layer contained between a pair of electrodes. Part of the light emitted from the light-emitting layer is condensed by the light-condensing lens portion. A top surface of the light-condensing lens portion overlies the light-emitting region, and a part of the light-condensing lens portion is located outside the light-emitting region. | 2012-02-09 |
20120032591 | LIGHT SOURCE LIGHTING CIRCUIT AND LAMP SYSTEM FOR VEHICLE - A lighting circuit includes: a countercurrent prevention unit including a first control terminal and a second control terminal, the countercurrent prevention unit transmitting a first current or a second current; and a current controller including: a common terminal connected to the first control terminal and the second control terminal; and a switching terminal connected to the first control terminal, the current controller providing a first driving current or a second driving current from the common terminal to the light source. The countercurrent prevention unit further includes: a first rectifier, wherein voltage at the first control terminal is provided to the switching terminal through the first rectifier; a first P-FET provided between the first control terminal and the common terminal; a second P-FET provided between the second control terminal and the common terminal; and a second rectifier provided between the second P-PET and the common terminal. | 2012-02-09 |
20120032592 | DECORATIVE ELEMENT AND METHOD FOR PRODUCTION THEREOF AND METHOD FOR ACTUATING THE SAME - The invention relates to a decorative element ( | 2012-02-09 |
20120032593 | AUTOMOBILE LIGHT CONTROL SYSTEM - An automobile light control system includes first and second light groups, a battery, a micro control unit (MCU), a speed sensor, first and second switches, and an electronic switch. The battery is connected to the first light group through the first switch. The first light group is connected to the first terminal of the electronic switch through the second switch. The second terminal of the electronic switch is connected to the second light group. The control terminal of the electronic switch is connected to the MCU. The MCU is connected to the speed sensor to receive a speed signal. The MCU controls the electronic switch to be turned on in response to the speed signal being greater than a predetermined value. The MCU controls the electronic switch to be turned off in response to the speed signal being less than or equal to the predetermined value. | 2012-02-09 |
20120032594 | CONTROL SYSTEM FOR VEHICLE HEADLIGHTS - A control system for vehicle headlights includes a navigation device and a control unit which controls the illumination characteristics of the headlights depending on geographic location information received by the navigation device. The illumination characteristics are adapted in compliance with predefined illumination settings if the acquired geographic location information shows that the vehicle headlights are being operated on public roads. The illumination characteristics are adapted with further consideration of illumination settings specified by the driver if the location information shows that the vehicle headlights are being operated on non-public roads. | 2012-02-09 |
20120032595 | ELECTROMAGNETICALLY-COUNTERED DISPLAY SYSTEMS AND METHODS - An electromagnetically-countered display system includes at least one wave source and at least one counter unit. The wave source irradiates harmful electromagnetic waves and the counter unit emits counter electromagnetic waves for countering the harmful waves therewith. Examples of the various counter units for the electromagnetically-countered display system and various mechanisms to counter the harmful waves with the counter units include by matching configurations of the counter units with those of the wave sources, and by matching wavefronts of the harmful waves with those the counter waves. Various methods of countering the harmful waves with such counter waves include by source and/or wave matching. Various methods of providing the counter units for emitting the counter waves defining desired wave characteristics. Various electric and magnetic shields can be employed either alone or in conjunction with the counter units for minimizing irradiation of the harmful waves from the display system. | 2012-02-09 |
20120032596 | PLASMA SOURCE FOR LARGE SIZE SUBSTRATE - A plasma source for a substrate is provided. The plasma source may include a source electrode and an impedance box. The source electrode receives a source Radio Frequency (RF) from the external and generates plasma based on capacitive coupling within a vacuum chamber. The impedance box connects at one end to an outer circumference surface of the source electrode, and is grounded at the other end to the vacuum chamber, and controls an electric current flowing from the source electrode to the vacuum chamber by the source RF. | 2012-02-09 |
20120032597 | LIGHT EMITTING DIODE LAMP - An LED lamp includes first and second LED strings connected in parallel to each other and a variable resistor interconnected therebetween. The variable resistor includes a resistance track with resistance coils wound thereon and a slider moveable along the resistance track. One portion of resistance of the variable resistor is connected in series with the first LED string, and the other portion of the resistance of the variable resistor is connected in series with the second LED string. When a position of the slider of the variable resistor is changed, a first electric current flowing through one of the first and second strings is increased, while a second electric current flowing through the other one of the first and second strings is decreased, such that the color temperature of the LED lamp is changed accordingly. | 2012-02-09 |
20120032598 | PROJECTION-TYPE DISPLAY DEVICE AND METHOD OF CONTROLLING THEREOF - A projection-type display device according to an embodiment of the invention modulates light emitted from a solid-state light source array and projects the modulated light on a screen. The projection-type display device includes a power source device that generates power used for driving the solid-state light source array using power supplied from a power source, an instant interruption detecting circuit that detects an instant interruption of the power source, and a control device that, in a case where the instant interruption of the power source is detected by the instant interruption detecting circuit, performs control of extinguishing the solid-state light source array during at least a part of an instant interruption period until recovery after the detection of the instant interruption of the power source. | 2012-02-09 |
20120032599 | Intelligent Light Retrofit - An apparatus and method of retrofitting a light fixture are disclosed. One method includes interfacing a retrofit controller with a dimming ballast of the light fixture, connecting the retrofit controller to at least one sensor, and connecting the retrofit controller to a power supply and a network. Another embodiment includes a light fixture retrofit controller and a separate sensor unit. The combination of the retrofit controller and a separate sensor unit are operative to provide power and dimming control of a dimming ballast of an existing light fixture. The dimming control is base on at least one of a signal sensed by the separate sensor unit and control information received from a network. | 2012-02-09 |
20120032600 | LED-BASED LIGHT EMITTING SYSTEMS AND DEVICES WITH COLOR COMPENSATION - A light emitting system comprises an LED-based light emitting device and a controller for controlling operation of the device. The device comprises at least two LEDs that are operable to generate light of different colors that contribute to the emission product of the device. The controller is operable to control light emission from the LEDs in response to the measured intensity of the first and second color light contributions in the emission product. To measure the individual light contributions the controller is operable to interrupt, or at least change, light emission from one LED for a selected time period and during this time period to measure the intensity of the emission product of the device. The intensity of light of the first and second color can be determined by comparing the measured intensity with the measured intensity when the light emission from the other LED is interrupted or changed. | 2012-02-09 |
20120032601 | SYSTEM FOR CONTROLLING A PLURALITY OF LIGHT SOURCES | 2012-02-09 |
20120032602 | Method for driving plasma display panel - A method for driving a plasma display panel in which a plurality of first and second electrodes are arranged adjacently each other, a plurality of third electrodes are arranged to cross the first and second electrodes, the plasma display panel having a reset period, an address period, and a sustain discharge period is provided. The method includes in the reset period, applying to the second electrodes a first waveform voltage, whose applied potential increases with time, then applying to the second electrodes a second waveform voltage, whose applied potential decreases with time. The method includes when applying the first waveform voltage, a first constant voltage is applied to the first electrodes, and a second constant voltage higher than the first constant voltage is applied to the third electrodes and when applying the second waveform voltage, a third constant voltage is applied to the first electrodes, and a fourth constant voltage lower than the third constant voltage is applied to the third electrodes. | 2012-02-09 |
20120032603 | Light Emitting Device and Driving Method thereof - A light emitting device includes a plurality of light emitting modules and a plurality of voltage controlling circuits capable of being independently controlled. Each voltage controlling circuit includes a dynamic voltage controlling module, a current controlling module, and a luminance controlling module. The dynamic voltage controlling module is used for comparing a voltage level at a second terminal of the light emitting module and a voltage level of a reference voltage source, so as to output a first voltage. The current controlling module is used for adjusting a bias current flowing through the light emitting module, according to the first voltage. The luminance controlling module is used for comparing the first voltage with a clock signal, and for generating a pulse width modulation signal according to a result of the comparison, so as to dynamically control a duty cycle of the light emitting module. | 2012-02-09 |
20120032604 | SYSTEM FOR DRIVING A LAMP | 2012-02-09 |
20120032605 | SYSTEM AND METHOD FOR DIMMABLE CONSTANT POWER LIGHT DRIVER - An apparatus is disclosed that is capable of delivering substantially constant power to a luminous load with variation in the input voltage and the environment temperature. The apparatus may be further adapted to vary the power supplied to the luminous load based on changes in the input voltage produced by a phase control dimmer or external device. Additionally, if the input voltage is changed due to a user controlling a dimmer device to control the brightness of the luminous load, the apparatus is able to control the power delivered to the load in response to the dimmer device. Additionally, the apparatus is adapted to allow the luminous output light intensity to be controlled by changes in a remote control voltage source or variable resister and draws near unity power factor power from the AC input throughout the dimming range when not used with phase control dimmer. The remote control or variable resistor can operate simultaneously with a dimmer to achieve multiple controls for the light output. | 2012-02-09 |
20120032606 | Light-Emitting Device - The amplitude of a potential of a signal line is decreased and a scan line driver circuit is prevented from being excessively loaded. A light-emitting device includes a light-emitting element; a first power supply line having a first potential; a second power supply line having a second potential; a first transistor for controlling a connection between the first power supply line and the light-emitting element; a second transistor, which is controlled in accordance with a video signal, whether outputting the second potential applied from the second power supply line or not; a switching element for selecting either the first potential applied from the first power supply line or the output of the second transistor; and a third transistor for selecting whether the first potential or the output of the second transistor which is selected by the switch is applied to a gate of the first transistor. | 2012-02-09 |
20120032607 | Method of Arranging Light Emitting Diodes Supplied by AC Power with Low Loss and Smooth Illumination in a High Expandable Structure - A method of arranging light emitting diodes (LEDs) supplied by AC power with low loss and smooth illumination in a high expandable structure is disclosed. The method includes the steps of: building up a virtual grid having M virtual lateral lines and N virtual vertical lines, which form multiple virtual intersection nodes at the intersections; disposing N−1 lateral LEDs in each virtual lateral line with one lateral LED placed between two adjacent virtual intersection nodes, connecting the positive terminal of one lateral LED to the positive terminal of one of the two adjacent lateral LEDs, and connecting the negative terminal of the one lateral LED to the negative terminal of the other adjacent lateral LED; disposing M−1 vertical LEDs in each virtual vertical line except the first and last virtual vertical lines with one vertical LED placed between two adjacent virtual intersection nodes, connecting the positive terminal of one vertical LED to the positive terminal of one of the two adjacent vertical LEDs, and connecting the negative terminal of the one vertical LED to the negative terminal of the other adjacent vertical LED; and connecting the AC power to the first and last virtual vertical lines. All vertical LEDs are turned on by the AC power and about one half of the lateral LEDs are turned on and the other half off during the positive phase of the AC power, and alternatively, the about one half of the lateral LEDs are turned off and the other half on during the negative phase of the AC power. Therefore, the vertical LEDs are always turned on and the lateral LEDs are alternatively turned on and off. | 2012-02-09 |
20120032608 | LIGHTING SYSTEM COMMUNICATIONS APPARATUS AND METHOD - A communications apparatus and techniques are presented for communicating with ballasts or drivers through lighting system power connections in which the power connections are energized with low levels of power to power communications components in the ballast/drivers while the light sources are off and low frequency AC communications signals are transmitted through the power connections. | 2012-02-09 |
20120032609 | DEVICE FOR REGULATING THE LUMINOUS INTENSITY IN FLUORESCENT LAMPS WITH AN ELECTROMAGNETIC REACTANCE AND A STARTER, AND LIGHTING SYSTEM WHICH COMPRISES SAID DEVICE - The present invention relates to a device for regulating light intensity in fluorescent lamps with an electromagnetic ballast and starter and a lighting system comprising said device, comprising at least one fluorescent lamp comprising a fluorescent tube ( | 2012-02-09 |
20120032610 | POWER CONVERTER HAVING A FEEDBACK CIRCUIT FOR CONSTANT LOADS - A power converter having a feedback circuit for constant loads includes an input, a switch, an input voltage sense circuit, a feedback circuit, and a controller. The input is to be coupled to receive an input voltage and the switch is coupled to the input. The input voltage sense circuit is coupled to the input to generate an input voltage sense signal representative of the input voltage. The feedback circuit is coupled to an output of the power converter, where the output is electrically coupled to the input. The feedback circuit generates a feedback signal representative of an output voltage of the power converter. The controller is coupled to the feedback circuit and to the input voltage sense circuit to control switching of the switch to regulate an output current at the output of the power converter in response to the feedback signal and the input voltage sense signal. | 2012-02-09 |
20120032611 | LED EMITTING DEVICE AND DRIVING METHOD THEREOF - The present invention relates to an LED emitting device and a driving method thereof including at least two LED channels. | 2012-02-09 |
20120032612 | THERMAL CONTROL OF SOLID STATE LIGHT SOURCES BY VARIABLE SERIES IMPEDANCE - A thermal protection circuit, and system and method including same, is provided. The circuit includes a variable impedance circuit configured to be coupled to a constant current source and a plurality of solid state light sources. The constant current source provides a current to the plurality of solid state light sources and provides an output voltage to establish a supply voltage for the circuit. The circuit also includes a temperature sensor configured to sense a temperature of the plurality of solid state light sources. The circuit also includes a control circuit configured to receive the supply voltage and to drive the variable impedance circuit based on the sensed temperature, to adjust the current to the plurality of solid state light sources when the supply voltage is a least a minimum supply voltage of the control circuit. | 2012-02-09 |
20120032613 | CIRCUITS AND METHODS FOR DRIVING LIGHT SOURCES - A driving circuit for powering a light-emitting diode (LED) light source includes a converter circuit, an energy storage element and a switch element. The converter circuit provides a first output voltage on a first power line to provide power to the LED light source and provides a second output voltage on a second power line that is less than the first output voltage. The energy storage element is charged and discharged to regulate a current through the LED light source. The switch element operates in a first state during which the energy storage element is charged and operates in a second state during which the energy storage element is discharged. The converter circuit provides the second output voltage to maintain an operating voltage across the switch element less than the first output voltage during both the first state and the second state. | 2012-02-09 |
20120032614 | NOVEL LED DRIVER CIRCUIT - A novel LED driver circuit, including: a current regulation circuit, having a first end and a second end, wherein a first current is flowing into the second end, and a voltage difference between the first end and the second end is generated in response to the first current; a transistor, coupled with the first end and second end of the current regulation circuit; a bias network, having a first end and a second end, the second end being coupled with the transistor; and a LED module, having at least two connection nodes, wherein the connection node at one end of the LED module is coupled to a line voltage, the connection node at the other end of the LED module is coupled to the transistor, and one of the at least two connection nodes is coupled with the first end of the bias network. | 2012-02-09 |
20120032615 | Shift Register - Provided is a shift register configured by cascade connecting unit circuits each including a bootstrap circuit. In at least one example embodiment, for the unit circuits, a time period during which a transistor is in an ON state and a clock signal is high level corresponds to a clock passing period. Among transistors whose one conduction terminal is connected to a gate of the transistor, channel lengths of transistors configured such that a low-level potential is fed to gates of the transistors to turn the transistors to an OFF state in the clock passing period and that a low-level potential is applied to the conduction terminal of the transistors in the clock passing period are made longer than the channel length of the transistor. With this, it is possible to reduce a leakage current in the clock passing period, and to prevent the fluctuation of a gate potential of the transistor and dullness in an output signal from occurring. | 2012-02-09 |
20120032616 | WAKE-UP SYSTEM - A wake-up system includes an illumination apparatus which irradiated wake-up light, a control apparatus which controls output of the wake-up light irradiated from the illumination apparatus, and an interface apparatus which is operated by a user to input at least a wake-up time, the illumination apparatus includes an output variation apparatus which varies output of the wake-up light to be irradiated, and a color temperature variation apparatus which varies color temperature of the wake-up light, and the control apparatus includes a light output control unit which controls the output variation apparatus so as to increase the output of the wake-up light irradiated from the illumination apparatus from an wake-up operation start time to the wake-up time, and a color temperature control unit which controls the color temperature variation apparatus such that color temperature of the wake-up light in a time period from a first time to the wake-up time, the first time is a time passing a first predetermined time period from the wake-up operation start time becomes higher than color temperature of the wake-up light in a time period from a second time to the first time, the second time is a time before a second predetermined time period shorter than the first predetermined time period from the first time. | 2012-02-09 |
20120032617 | POWER CONVERTERS - A power converter that interfaces a motor requiring variable voltage/frequency to a supply network providing a nominally fixed voltage/frequency includes a first rectifier/inverter connected to a stator and a second rectifier/inverter. Both rectifier/inverters are interconnected by a dc link and include switching devices. A filter is connected between the second rectifier/inverter and the network. A first controller for the first rectifier/inverter uses a dc link voltage demand signal indicative of a desired dc link voltage to control the switching devices of the first rectifier/inverter. A second controller for the second rectifier/inverter uses a power demand signal indicative of the level of power to be transferred to the dc link from the network through the second rectifier/inverter, and a voltage demand signal indicative of the voltage to be achieved at network terminals of the filter to control the switching devices of the second rectifier/inverter. | 2012-02-09 |
20120032618 | METHOD AND DEVICE FOR ACTIVATING A CONTROL ELEMENT OF A DRIVE APPARATUS, SAID CONTROL ELEMENT HAVING A RESPONSE DELAY - In order to activate a control element ( | 2012-02-09 |
20120032619 | ACTIVE VIBRATION CONTROL APPARATUS - An active vibration control apparatus includes a linear actuator and a controller. The linear actuator includes a moving element, a stator and an elastic support. The stator has a plurality of coils surrounding the moving element. The elastic support supports the moving element to be reciprocally movable relative to the stator in an axial direction of the moving element due to elastic deformation of the elastic support. The controller is configured to apply an alternating current to the stator to generate vibration due to relative displacement of the moving element and the stator in the axial direction. The controller is configured to correct a center position of an amplitude of the vibration by additionally applying a predetermined direct current as a biased current to the stator when the linear actuator satisfies a predetermined vibration condition. | 2012-02-09 |
20120032620 | CONTROL DEVICE - A control device that controls for an electric motor drive device including a DC/AC conversion section that converts a DC voltage into an AC voltage to supply the AC voltage to an AC electric motor. The control device is configured with a computation cycle setting section that sets a computation cycle of the control signal generation section to a first cycle, which is N times (N is an integer of 1 or more) a reference computation cycle that is set to half a carrier cycle, and that sets a computation cycle of the voltage command value determination section to a second cycle, which is M times (M is an integer of 2 or more) the first cycle, in the case where the control mode determined by the control mode determination section is the pulse width modulation control mode. | 2012-02-09 |
20120032621 | BRUSHLESS MOTOR DRIVE CIRCUIT AND BRUSHLESS MOTOR DRIVE SYSTEM - A brushless motor drive circuit has a first AD converter which converts a voltage value depending upon a power supply voltage supplied from a power supply to drive a three-phase brushless motor, to a digital signal and outputs the digital signal. The brushless motor drive circuit has an energization timing adjustment circuit which outputs an adjustment signal for adjusting a lead angle value or a lag angle value of energization timing of the three-phase brushless motor, in response to the digital signal which is output by the first AD converter. The brushless motor drive circuit has an energization timing setting circuit which sets the energization timing of the three-phase brushless motor. If a regenerated voltage is generated by decelerating the three-phase brushless motor with sine wave signals and the power supply voltage rises, then the energization timing setting circuit sets energization timing changed by the lead angle value or the lag angle value on the basis of the adjustment signal to further decelerate the three-phase brushless motor. | 2012-02-09 |
20120032622 | SINGLE POWER SUPPLY DUAL CONVERTER OPEN-WINDING MACHINE DRIVE - An apparatus for improving machine drive performance. The apparatus includes a controller configured to control an impedance of a converter. The converter is configured to be electrically coupled to a plurality of first ends of a plurality of windings of a machine. A plurality of second ends of the plurality of windings of the machine are configured to be electrically coupled to a power source. | 2012-02-09 |
20120032623 | METHOD OF CONTROLLING FAN SPEED - A method of controlling fan speed is provided. The method includes: setting a target speed of the fan; providing an actual control speed signal and using the actual control speed signal to drive the fan so as to obtain an actual speed of the fan; determining whether the actual speed of the fan is equal to the set target speed; and when the actual speed of the fan is equal to the set target speed, continuously using the provided actual control speed signal to drive the fan, otherwise, gradually compensating the intensity of the provided actual control speed signal until the actual speed of the fan is equal to the set target speed after the fan is driven by the gradually compensated actual control speed signal. | 2012-02-09 |
20120032624 | Method and Apparatus for Motor Control - Various embodiments of a motor controller are disclosed. In exemplary embodiments, the motor controller can be instructed to select an operational profile based on the duration of power loss. In an exemplary embodiment, the system comprises a battery or capacitor to provide power to a microcontroller in the motor controller while power is disconnected. | 2012-02-09 |
20120032625 | Electric power conversion apparatus - An electric power conversion apparatus converts electric power supplied to a motor having a winding set formed of coils corresponding to a plurality of phases. An inverter part has a plurality of FETs forming switching element pairs, each of which corresponds to each phase of the winding set. Pull-up resistors are provided between the coils and a high-potential side of a battery, respectively. A neutral point voltage detection part detects a neutral point voltage of the winding set. A microcomputer detects abnormality based on the neutral point voltage. | 2012-02-09 |
20120032626 | POWER SUPPLY WITH ADAPTED OUTPUT VOLTAGE - A home automation actuator ( | 2012-02-09 |
20120032627 | BLADE PITCH CONTROLLING DRIVE FOR A WIND TURBINE - The invention relates to a blade pitch controlling drive for a wind turbine, comprising an electrical converter, an electric motor that is electrically coupled to the converter, a monitoring unit operable to monitor an electric output current supplied by the converter to the electric motor and determine a state of the load on the converter as a function of the electrical output current, a current limiting unit operable to reduce a maximum possible output current to a nominal current when the state of the load is an overload state when the nominal current when in a non-overload state, and a peak current control unit that can be activated. When activated, the peak current may be provided as the maximum possible output current, regardless of the load state of the inverter at the time of the activation. | 2012-02-09 |
20120032628 | Intake Profile For Optimized Utilization Of Motor Characteristics - Systems and methods for operating a stepper motor of a pump at a desired low velocity include memory for storing information corresponding to an intake velocity profile. The intake velocity profile represents an optimized acceleration curve for operating the stepper motor over a range of motor velocities during an intake cycle. A processor of a system controller dynamically accesses the memory during the intake cycle to acquire the information representing the intake velocity profile and issues a series of pulses to the stepper motor based on this information. In response to the pulses, the stepper motor accelerates in accordance with the optimized acceleration curve represented by the intake velocity profile. The optimized acceleration curve is based on the available torque of the stepper motor across a range of motor velocities and enables the motor to operate with greater torque utilization and less margin than traditional linear acceleration profiles. | 2012-02-09 |
20120032629 | Electric Motor and Motor Control - Various embodiments of an electric motor and electronic control for an electric motor are disclosed. An exemplary electric motor comprises a single-phase brushless permanent magnet electric motor. In exemplary embodiments, the electronic motor control is configured to commutate an electric motor at a frequency other than line frequency, perform pulse width modulation, and drive the electric motor with a drive waveform that approximates the counter-electromotive force of the motor. | 2012-02-09 |
20120032630 | SELF-POWERED BATTERY JUMP SYSTEM AND METHOD - The self-powered battery jump method uses a vehicle's alternator to charge main and spare batteries during vehicle operation. If the main battery loses its power, the spare battery supplies power to the main battery and to the vehicle's engine in order to start the vehicle whenever it is needed without any external electricity. Manual, semi-automated, and automated jump modes are provided. | 2012-02-09 |
20120032631 | Universal Inductive Charger - An inductive charger adapter element includes a housing, a coil comprising electrically conductive material, the coil contained within the housing, the coil configured to inductively couple to an external primary coil; and a connector supported on the housing, the connector coupled to the coil and configured to couple the inductive charger adapter element to a port provided on a device, the connector including a first pair of conductors for providing power and charging current to a battery in the device. | 2012-02-09 |
20120032632 | Inductive transmission of power and data through ceramic armor panels - A system for the inductive transmission of power and data through large caliber ballistic appliqué composite armor panels mountable to military vehicle includes a large caliber ballistic appliqué composite armor panel and a quick-release base mounted to the outer face of the panel and a primary coil mounted to the inner face of the panel so as to be opposite to and aligned with the base; and, a portable electrical device having a secondary coil mounted in its base end, and wherein the armor thickness is no greater than substantially the range of 30 to 50 percent of the diameter of the secondary coil. The base end of the portable electrical device is adapted to releasably mount onto the quick release base for power transfer to the electrical device and for data transfer between the primary coil and the secondary coil by inductive coupling between the primary and secondary coils. | 2012-02-09 |
20120032633 | TRANSMISSION OF POWER BIDIRECTIONALLY AND WITHOUT CONTACT TO CHARGE ELECTRIC VEHICLES - A converter that feeds an electric drive in an electric vehicle is used to transmit energy to the vehicle without contact using resonant operation for inductive transmission of energy. The leakage inductance of the transformer is resonantly adjusted by a serial capacitor. The load current is then switched at zero-crossing. | 2012-02-09 |
20120032634 | PROXIMITY DETECTION CIRCUIT FOR ON-BOARD VEHICLE CHARGER - A proximity detection circuit suitable for use with an on-board vehicle charger, such as but not limited to the type of charges used within hybrid and hybrid electric vehicles, to facilitate current conservation during period of time when it is unnecessary or otherwise undesirable for the on-board charger to test for connection of a cordset or other connection used to connect the on-board charger to a charging station or other current source. | 2012-02-09 |
20120032635 | Overhead mobile charger system for reaching and charging electric vehicles parked in a pair of adjacent and spaced-part rows of side-by-side parking spaces - An overhead mobile charger system for mounting between a pair of adjacent and spaced-apart rows of side-by-side parking spaces and exhibiting full circle traversing so as to reach and charge electric vehicles parked in the pair of adjacent and spaced-apart rows of side-by-side parking spaces. The system includes a single EV battery charger, a boom, and apparatus for rotatably mounting the boom over, and between, the pair of adjacent and spaced-apart rows of side-by-side parking spaces. The single EV battery charger has a power cable terminating in an EV connector. The power cable of the single EV battery charger runs along, and depends from, the boom, and together with the boom being rotatably mounted via the apparatus so as to allow the boom to exhibit full circle traversing, the electric vehicles parked in the pair of adjacent and spaced-apart rows of side-by-side parking spaces are reached and charged by the EV connector of the single EV battery charger. | 2012-02-09 |
20120032636 | Power Share System for Electric Vehicle Service Equipment - A power sharing system employs an easily installed power share module for controlling the operation of an EVSE for charging an electric vehicle. The power module senses the power load of an appliance or of a service line to a remote residential unit and transmits a command signal to the EVSE. The power control module is configurable to transmit an on/off signal to the EVSE or a control level signal to the EVSE for controlling the charging by the EVSE in accordance with the available power due to the load of the appliance or the service line load. | 2012-02-09 |
20120032637 | BATTERY CHARGING CONTROL DEVICE AND BATTERY CHARGING CONTROL METHOD FOR ELECTRIC VEHICLE - A battery charging control device for controlling a power generation device installed in an electric vehicle sets a battery energy management area using a current position of a host vehicle as a reference, detects at least one travelable route within the battery energy management area, calculates a battery energy management upper limit value and a battery energy management lower limit value on the basis of a maximum value and a minimum value of energy values required to travel to respective points on the travelable route from the current position, and calculates a battery energy management width by subtracting the management lower limit value from the management upper limit value. When the battery energy management width is not within a predetermined range, the battery energy management area is modified so as to enter the predetermined range. As a result, battery charging is controlled such that a magnitude relationship between the battery energy management upper limit value and the battery energy management lower limit value does not reverse. | 2012-02-09 |
20120032638 | BATTERY PACK AND ACTIVE CELL BALANCING BATTERY MANAGEMENT SYSTEM INCLUDING THE SAME - The present invention discloses a battery pack which can be used for an electric vehicle, an Uninterrupted Power Supply (UPS), and a power supply for a smart grid and which can be easily manufactured and repaired and which is capable of improving productivity, the span of life, and performance, and a battery management system including the battery pack.
| 2012-02-09 |
20120032639 | BATTERY PACK, CHARGER, AND CHARGING SYSTEM - A battery pack, a charger, and a charging system. The battery pack includes a rechargeable battery, and a protection circuit to control charging and discharging of the battery, wherein the protection circuit includes a micom to output an operating state signal representing an operating state of the micom and a malfunction transferring unit to transfer information on whether the battery is malfunctioning based on the operating state signal. Accordingly, when an error is detected by the protection circuit of the battery pack, charging is stopped, and thus the battery pack may be stably charged. | 2012-02-09 |
20120032640 | HOLSTER-INTEGRATED PIEZOELECTRIC ENERGY SOURCE FOR HANDHELD ELECTRONIC DEVICE - A holster for a handheld electronic device. The holster has integrated therein one or more piezoelectric elements that provide an output voltage to the handheld electronic device upon insertion of device in the holster. The output voltage can be used to charge the battery of the device, to power, at least in part, the device, or both. The output voltage is generated by harvesting vibration energy at the piezoelectric elements upon the holster being subjected to acceleration caused by a user carrying the holster when walking, running, or during any other suitable activity. | 2012-02-09 |
20120032641 | BATTERY PACK AND METHOD OF CONTROLLING THE SAME - A battery pack and a method of controlling the same is disclosed. The battery pack determines a cell deviation after the battery pack is fully charged or over-discharged, and thus the battery pack can reduce the cell deviation by performing cell balancing. | 2012-02-09 |
20120032642 | BATTERY HEATING CIRCUITS AND METHODS WITH RESONANCE COMPONENTS IN SERIES USING VOLTAGE INVERSION BASED ON PREDETERMINED CONDITIONS - Certain embodiments of the present invention provide a battery heating circuit, comprising a switch unit ( | 2012-02-09 |
20120032643 | BATTERY PACK, CHARGING SYSTEM INCLUDING THE BATTERY PACK, AND METHOD OF CONTROLLING THE CHARGING SYSTEM - A battery pack, a charging system including the battery pack, and a method of controlling the charging system are disclosed. The battery pack includes a plurality of rechargeable battery cells and a protection circuit for protecting the battery cells. The protection circuit includes an analog front end (AFE) integrated circuit (IC) and a microcomputer. The AFE IC is for supplying an operating voltage of a microcomputer to the microcomputer and to a charging device. Thus, when the battery pack is charged, an abnormal operation of the AFE IC can be detected by the charging device and the charging of the battery pack stopped, thereby preventing an explosion of the battery pack. | 2012-02-09 |
20120032644 | BATTERY SYSTEM, VEHICLE, AND BATTERY-MOUNTING DEVICE - Disclosed is a battery system that, in a laminated part of a power generating element in a lithium ion rechargeable battery, can properly detect a temperature and the distribution of a temperature change occurring in a positive-negative extending direction and can utilize the detected data in the control of the battery. Also disclosed are a vehicle and a battery-mounting device comprising the battery system. A battery system comprises a lithium ion rechargeable battery. The lithium ion rechargeable battery comprises a power generating element comprising a laminated part, a positive electrode extended part, and a negative electrode extended part. The battery system further comprises a control means and a central temperature detecting means that detects the temperatures of a central laminated part in the laminated part, and at least one of a positive-side temperature detecting means that detects the temperatures of a positive-side laminated part in the laminated part and a negative-side temperature detecting means that detects the temperatures of a negative-side laminated part in the stacked part. The control means controls the lithium ion rechargeable battery using the temperature of the central laminated part, and at least one of the temperature of the positive-side laminated part and the temperature of the negative-side laminated part. | 2012-02-09 |
20120032645 | BATTERY PACK FOR PRACTICAL LOW-POWER MODE CURRENT DETECTION AND METHOD OF DETECTING EXCESSIVE CURRENT - In a battery pack | 2012-02-09 |
20120032646 | BATTERY PACK AND METHOD OF CONTROLLING THE SAME - A battery pack, and a method of controlling the battery pack are disclosed. The battery pack detects consumption current when a load is not turned on, and shuts off power when a load is turned off or in stand-by mode, thereby preventing consumption current of the load from flowing. | 2012-02-09 |
20120032647 | METHOD FOR DETERMINING COMPLETION OF CHARGE OF LITHIUM ION SECONDARY BATTERY, METHOD FOR DETERMINING TERMINATION OF DISCHARGE OF LITHIUM ION SECONDARY BATTERY, CHARGE CONTROL CIRCUIT, DISCHARGE CONTROL CIRCUIT, AND POWER SUPPLY - A method for determining completion of charge of a long-duration lithium ion secondary battery is provided. | 2012-02-09 |
20120032648 | Method and Circuitry to Adaptively Charge a Battery/Cell - The present inventions, in one aspect, are directed to techniques and/or circuitry to adapt the charging of a battery/cell using data which is representative of an overpotential of the battery/cell. In yet another aspect the present inventions are directed to techniques and/or circuitry to calculate data which is representative of an overpotential of the battery/cell. | 2012-02-09 |
20120032649 | Power Supply for a Load Control Device - A power supply for a load control device generates a DC voltage and provides an asymmetrical output current, while drawing a substantially symmetrical input current. The power supply comprises a controllably conductive switching circuit for controllably charging an energy storage capacitor across which the DC voltage is produced. The energy storage capacitor begins charging at the beginning of a half-cycle and stops charging after a charging time in response to the magnitude of the DC voltage and the amount of time that the energy storage capacitor has been charging during the present half-cycle. The charging time is maintained substantially constant from one half-cycle to the next. The power supply is particularly beneficial for preventing asymmetrical current from flowing in a multiple location load control system having a master load control device supplying power to a plurality of remote load control devices all located on either the line-side or the load-side of the system. | 2012-02-09 |
20120032650 | ALTERNATOR VOLTAGE REGULATOR WITH A PROGRAMMABLE SIGNAL PROCESSING INTERFACE - A motor vehicle regulator, including electronic regulation circuits, which can produce an excitation current in accordance with a difference between a set voltage and an output voltage measured at the terminals of an electric battery of the vehicle. The regulation circuits including a programmable signal processing interface for producing a signal, which is representative of the excitation current. The interface receives as input a plurality of signals which are representative of the excitation current. The interface including a device capable of selecting a signal which is representative, from amongst the plurality of representative signals, of the method for applying different forms of processing to the representative signal selected, and a second device for selection of processing to be applied to the representative signal. The representative signal, and the processing to be applied, being selected according to a program provided to the programmable signal interface. | 2012-02-09 |
20120032651 | METHOD AND DEVICE OF ELECTRICAL POWER - A power factor correction of three-phase boost-type conversion is disclosed. Embodiments comprising multi-leg autotransformers are disclosed, e.g. comprising 3-phase low-pass filtering impedances such as capacitors between an input of a converter and a midpoint of the output. | 2012-02-09 |
20120032652 | CIRCUIT FOR GENERATING A CLOCK SIGNAL FOR INTERLEAVED PFC STAGES AND METHOD THEREOF - A method and circuit for generating a clock signal. A power factor correction circuit has n channels operating out of phase and independently. The circuit is able to generate a clock signal for each channel according to the current cycle duration of each channel. | 2012-02-09 |
20120032653 | REDUCTION OF INRUSH CURRENT DUE TO VOLTAGE SAGS WITH IMEPDANCE REMOVAL TIMING CIRCUIT - Various systems and methods are provided for minimizing an inrush current to a load after a voltage sag in a power voltage. In one embodiment, a method is provided comprising the steps of applying a power voltage to a load, and detecting a sag in the power voltage during steady-state operation of the load. The method includes the steps of adding an impedance to the load upon detection of the sag in the power voltage, and removing the impedance from the load when the power voltage has reached a predefined point in the power voltage cycle after the power voltage has returned to a nominal voltage. | 2012-02-09 |
20120032654 | ON-LOAD TAP CHANGER COMPRISING SEMICONDUCTOR SWITCHING ELEMENTS - The invention relates to an on-load tap changer comprising semiconductor switching elements for uninterrupted switching between fixed tap changer contacts which are electrically connected to winding taps of a tapped transformer. Each of the fixed tap changer contacts can be connected to a charge diverter either directly or, during switching, via the semiconductor switching elements that are connected therebetween. According to the invention, the charge diverter has fixed, divided diverting contact pieces in order for the semiconductor switching elements to be electrically isolated from the transformer winding during stationary operation. | 2012-02-09 |
20120032655 | MULTISTAGE VOLTAGE REGULATOR CIRCUIT - A circuit including a multistage voltage regulator having a plurality of stages each including a regulated node and a bias transistor. The bias transistors and regulated nodes are configured to control the voltage of the regulated nodes. For at least some of the stages, the regulated nodes are coupled to voltage supply terminals of circuit modules of the stages. | 2012-02-09 |