39th week of 2013 patent applcation highlights part 22 |
Patent application number | Title | Published |
20130249368 | FIXING DEVICE FOR A FURNITURE PART - The invention relates to a device ( | 2013-09-26 |
20130249369 | CONTAINER RAIL FOR A DRAWER CONTAINER - The invention relates to a drawer arrangement, comprising a container rail preinstalled on a drawer container and a drawer pull-out guide having a movable drawer rail, wherein the drawer container can be rigidly connected to the movable drawer rail of the drawer pull-out guide by means of the container rail so that the drawer container is supported in such a way that the drawer container can be moved out relative to a furniture body, wherein the container rail has a section having a substantially U-shaped cross-section, which section accommodates the drawer rail in the assembled state, wherein at least one stop for the drawer rail extending in the rail longitudinal direction is formed in the U-shaped section. | 2013-09-26 |
20130249370 | FURNITURE FITTING FOR FASTENING A FRONT PANEL - The invention relates to a furniture fitting for attaching a front panel to a drawer frame, comprising a fastening device for the front panel that is associated with the drawer frame and a connecting element that can be mounted on the front panel, which connecting element comprises mounting elements, in particular dowels, for fastening to the front panel, wherein the connecting element can be fastened to the fastening device in a detachable and in particular position-adjustable manner, and comprises a first part and a second part arranged at a distance from the first part in the mounting position, wherein the first part of the connecting element can be connected to the front panel by means of at least two mounting elements and the second part of the connecting element can be connected to the front panel by means of at least two further mounting elements. | 2013-09-26 |
20130249371 | HINGE ASSEMBLIES FOR A DOMESTIC REFRIGERATOR - A domestic appliance includes a cabinet with a door positioned at a front of the cabinet, a closer assembly secured to the door, a mounting bracket coupled to the front of the cabinet, a hinge pin extending upwardly from the mounting bracket, and a coupler body. The closer assembly includes a downwardly-extending shaft. The coupler body has a first inner sidewall defining a lower aperture that receives an upper end of the hinge pin, and a second inner sidewall defining an upper aperture that receives a lower end of the shaft. The shaft of the closer assembly has a first plurality of splines formed thereon, and the second inner sidewall of the coupler body has a second plurality of splines formed thereon. The second plurality of splines of the coupler body engages the first plurality of splines of the shaft. | 2013-09-26 |
20130249372 | HINGE ASSEMBLY FOR A DOMESTIC REFRIGERATOR - A domestic refrigerator includes a door operable to pivot about an axis of rotation. A cam plate is coupled to the door and includes a first cam surface. The refrigerator includes a coupler body that has a second cam surface engaged with the first cam surface and an aperture defined therein. A hinge pin defines the axis of rotation and includes an upper end positioned in the aperture of the coupler body. The hinge pin has a plurality of longitudinal slots defined therein. A plurality of splines extend from the coupler body, and each spline is received in a corresponding longitudinal slot of the hinge pin. | 2013-09-26 |
20130249373 | ADJUSTABLE HINGE ASSEMBLY FOR A DOMESTIC REFRIGERATOR - A domestic refrigerator includes a door operable to pivot about an axis of rotation, a cam plate coupled to the door that includes a first cam surface, and a coupler body having a second cam surface engaged with the first cam surface. The coupler body has an inner wall that defines an aperture and includes a pair of substantially planar surfaces. A hinge pin defines the axis of rotation and has an upper end positioned in the aperture of the coupler body. The upper end includes a pair of substantially planar surfaces engaged with the pair of substantially planar surfaces of the coupler body to prevent rotation of the coupler body about the axis of rotation. | 2013-09-26 |
20130249374 | PASSIVE PHASE CHANGE RADIATORS FOR LED LAMPS AND FIXTURES - Heat management devices and structures are disclosed that can be used in lamps having solid state light sources such as one or more LEDs. Some lamp embodiments comprise one or more phase change radiators that utilize the latent heat of fluids to circulate and draw heat away from the LEDs and radiate the heat into the ambient, allowing for the LEDs to operate at a lower temperature. Some phase change radiators according to the present invention can comprise a main radiator body and multiple radiator coolant loops mounted to the body. The present invention relies on the circulation of heated fluid through the radiator body to radiate heat from the LEDs. The heated liquid moves away from the LEDs and is circulated back to thermal contact with the LEDs thought the coolant loops. | 2013-09-26 |
20130249375 | ANTI-ICING SOLID STATE AIRCRAFT LAMP ASSEMBLY WITH DEFROSTER APPARATUS, SYSTEM, AND METHOD - Anti-icing solid state aircraft lamps are disclosed. The anti-icing solid state aircraft lamp includes at least one solid state light source, a substantially optically transparent cover optically coupled to the at least one solid state light source, and at least one defroster element coupled to the optically transparent cover. | 2013-09-26 |
20130249376 | ORGANIC LIGHT EMITTING DEVICE - An organic light emitting device including a first substrate, a second substrate parallel to the first substrate, and an organic light emitting unit disposed between the first substrate and the second substrate is provided. The first substrate has a plurality of first light guiding microstructures. A distribution density of the first light guiding microstructures is in a range of 100 to 2000 pcs/mm, wherein the first light guiding microstructures are located inside the first substrate and a material of the first substrate includes a photosensitive material. | 2013-09-26 |
20130249377 | OLED DISPLAY WITH REDUCED POWER CONSUMPTION - An OLED display with a plurality of pixels for displaying an image having a target display white point luminance and chromaticity, each pixel including three red, green and blue gamut-defining emitters defining a display gamut and a magenta emitter with two of cyan, yellow or white emitters as three additional emitters which emit light within the display gamut; the display including a means for receiving a three-component input image signal; transforming the three-component input image signal to a six component drive signal; and providing the drive signal to display an image corresponding to the input image signal. One embodiment is where the pixels have red, green, blue, cyan, magenta and yellow colored subpixels. | 2013-09-26 |
20130249378 | ANTI-REFLECTION CIRCULARLY POLARIZING PLATE FOR ORGANIC EL DISPLAY AND ORGANIC EL DISPLAY - A retardation film which comprises a stretched polymer film and satisfies the following formulae (1) to (3): | 2013-09-26 |
20130249379 | CERAMIC ELECTRODE, IGNITION DEVICE THEREWITH AND METHODS OF CONSTRUCTION THEREOF - A spark plug, a center electrode therefore and method of construction is provided. The spark plug has a generally annular ceramic insulator extending between a terminal end and a nose end. A conductive shell surrounds at least a portion of the ceramic insulator and a ground electrode having a ground electrode sparking surface is operatively attached to the shell. An elongate center electrode has a body extending between opposite ends, wherein the body is compacted and sintered of a conductive or semi-conductive ceramic material. One of the electrode ends provides a center electrode sparking surface to provide a spark gap between the center electrode sparking surface and the ground electrode sparking surface. | 2013-09-26 |
20130249380 | SPARK PLUG - To provide a technology of improving the corrosion resistance of a spark plug. | 2013-09-26 |
20130249381 | LIGHT BULB SHAPED LAMP AND LIGHTING APPARATUS - A light bulb shaped lamp includes: an LED module including: a base mount; and a semiconductor light-emitting device mounted on the base mount; and lead wires for supplying power to the LED module. The base mount is supported by the lead wires. | 2013-09-26 |
20130249382 | FIELD EMISSION DISPLAY AND FABRICATION METHOD THEREOF - A field emission display (FED) and a fabrication method thereof are disclosed. A lower plate of the FED includes: a cathode electrode formed on the substrate; a diffusion blocking layer formed on the cathode electrode; a seed metal layer formed on the diffusion blocking layer; carbon nano-tubes (CNTs) grown as single crystals from the grains of the seed metal layer; a gate insulating layer formed on the substrate on which the cathode electrode, the diffusion blocking layer, and the seed metal layer are formed, in order to cover the CNTs; and a gate electrode formed on the gate insulating layer. | 2013-09-26 |
20130249383 | ORGANIC LIGHT EMITTING DIODE DISPLAY DEVICE AND METHOD OF MANUFACTURING THE SAME - An organic light emitting diode display device includes a substrate; an antireflection layer on a first surface of the substrate and including a metallic layer and an insulating layer; a driving element portion on the antireflection layer and including thin film transistors and metallic lines; and an organic light emitting portion driven by the driving element portion. | 2013-09-26 |
20130249384 | ORGANIC ELECTROLUMINESCENT DEVICE, LUMINAIRE DEVICE, AND METHOD FOR MANUFACTURING ORGANIC ELECTROLUMINESCENT DEVICE - According to one embodiment, an organic electroluminescent device includes a first substrate, a second substrate, a stacked body, and an intermediate layer. The first substrate has a first major surface. The second substrate has a second major surface and a third major surface. The second major surface is facing the first major surface. The third major surface has a first concave-convex portion. The third major surface is provided opposite the second major surface. The stacked body provided between the first substrate and the second substrate. The stacked body includes a first electrode, a second electrode, and an organic light emitting layer. The intermediate layer is provided between the second substrate and the stacked body. | 2013-09-26 |
20130249385 | DISPLAY DEVICE - A display device including: a substrate with a display area having a plurality of organic EL devices and a peripheral area having a driving circuit for the organic EL devices and surrounding the display area on the substrate; an organic insulating film covering at least the driving circuit; and a groove in the organic insulating film along a line between the display area and the peripheral area, an inorganic but not an not the organic insulating film being present in an outermost portion of the peripheral area spaced apart from the groove. | 2013-09-26 |
20130249386 | ELECTRON EMISSION ELEMENT, ELECTRON EMISSION DEVICE, CHARGE DEVICE, IMAGE FORMING DEVICE, ELECTRON RADIATION CURING DEVICE, LIGHT-EMITTING DEVICE, IMAGE DISPLAY DEVICE, BLOWER DEVICE, COOLING DEVICE, AND MANUFACTURING METHOD FOR ELECTRON EMISSION ELEMENT - An electron emission element ( | 2013-09-26 |
20130249387 | LIGHT-EMITTING DIODES, PACKAGES, AND METHODS OF MAKING - A light-emitting diode (LED) element including an LED chip having a light emitting surface and at least one pad. A phosphor layer is formed on the light emitting surface and exposes the at least one pad. The phosphor layer includes a plurality of phosphor particles and a matrix. At least some of the phosphor particles have a first portion embedded in the matrix and a second portion protruding from an outer surface of the matrix. A method of forming a gel layer on an LED element includes using capillary action to draw the glue material into a space adjacent the upper surface of the chip. | 2013-09-26 |
20130249388 | LIGHT SOURCE, LIGHT-EMITTING DEVICE, LIGHT SOURCE FOR BACKLIGHT, DISPLAY DEVICE, AND METHOD FOR PRODUCING LIGHT SOURCE - A fluorescent material-sealed sheet includes a plurality of fluorescent sections, an upper sealing section, and a lower sealing section, the plurality of fluorescent sections being sealed by the upper sealing section and the lower sealing section. | 2013-09-26 |
20130249389 | Luminaire - A luminaire includes a semiconductor light source having a light emission peak in a range of wavelength smaller than 480 nm and a phosphor excited by light radiated from the semiconductor light source to radiate light having wavelength equal to or larger than 480 nm. A spectrum of radiated light obtained by combining the light radiated from the semiconductor light source and the light radiated from the phosphor has a light emission peak in a range of wavelength equal to or larger than 610 nm and smaller than 650 nm. A ratio of radiation energy in a range of wavelength equal to or larger than 650 nm and equal to or smaller than 780 nm to radiation energy in a range of wavelength equal to or larger than 600 nm and smaller than 650 nm is equal to or lower than 35%. A color gamut area ratio exceeds 100%. | 2013-09-26 |
20130249390 | ORGANIC EL DEVICE - An organic EL device that efficiently extracts light includes an organic EL element formed by laminating a first electrode layer, functional layer, and second electrode layer on a substrate and a sealing member sealing the organic EL element. The organic EL device has a first electrode communicating part electrically connected to the first electrode layer at one side of the substrate and a second electrode communicating part electrically connected to the second electrode layer at the other side of the substrate. The organic EL device has first cross grooves crossing the organic EL element from the second electrode layer located at the one side to the second electrode layer that is located at the other side. The first cross groove is formed by removing the first electrode layer, functional layer, and second electrode layer. The sealing member and the substrate are connected outside of the first cross grooves. | 2013-09-26 |
20130249391 | SPARK GAP SWITCH FOR HIGH POWER ULTRA-WIDEBAND ELECTROMAGNETIC WAVE RADIATION FOR STABILIZED DISCHARGE - A spark gap switch for high power ultra-wideband electromagnetic wave radiation is provided. The spark gap switch includes a casing, electrodes, brackets and an electrode protrusion. Openings are formed in respective opposite ends of the casing. The electrodes are installed in the casing at positions spaced apart from each other in such a way that the electrodes face each other and are disposed inside the openings. The brackets are installed in the respective openings of the casing. The brackets fasten rear ends of the corresponding electrodes to the casing. The electrode protrusion is provided on a central portion of at least either of the electrodes to induce stabilized discharge. The maximum diameter of the electrodes is smaller than the inner diameter of the casing so that the circumferential outer surfaces of the electrodes do not make contact with the circumferential inner surface of the casing. | 2013-09-26 |
20130249392 | LIGHTING APPARATUS AND LIGHTING CONTROL SYSTEM - Disclosed are a lighting apparatus and a lighting control system. The lighting apparatus includes a heat radiation frame, at least one light emitting device on the heat radiation frame, a diffusion frame provided on the heat radiation frame to protect the at least one light emitting device and diffuse a light emitted from the at least one light emitting device, and a support frame provided under the heat radiation frame and having a receiving space to receive at least one module. The module includes a wireless communication module to transmit or receive a control single of the at least one light emitting device. The power supply module is physically separated from the wireless communication module. | 2013-09-26 |
20130249393 | ELECTROLUMINESCENT DEVICE WITH ADJUSTABLE COLOR POINT - The invention relates to an electroluminescent device for emitting light having an adjustable color point. An electroluminescent region ( | 2013-09-26 |
20130249394 | LIGHT EMITTING DIODE LIGHTING SYSTEM - Methods, systems, devices and/or apparatus related to lighting systems, and, specifically, to LED lighting systems for vehicles. One example provides a lighting system that includes a power control component, a wire harness, and a light emitting diode component. The power control component may be in electrical communication with a power supply. The power control component may receive an input voltage from the power supply, adjust the input voltage to generate an output voltage, and output the output voltage. The wire harness may be in electrical communication with the power control component. The light emitting diode light component may be in electrical communication with the wire harness, and may include a plurality of light emitting diodes electrically coupled in a parallel configuration via a plurality of wires, each of the plurality of wires being substantially shaped as a wave. | 2013-09-26 |
20130249395 | VEHICLE INFORMATION TRANSMISSION DEVICE - A vehicle information transmission device includes: a display device that displays light in a first mode at a position of a vehicle body, at which visual recognition of a certain object is prompted, when the visual recognition is prompted and that displays light in a second mode different from the first mode on the vehicle body when the visual recognition is not prompted or when the visual recognition is prompted; and a control unit that adjusts light in the second mode on the basis of light in the first mode when the visual recognition is prompted. | 2013-09-26 |
20130249396 | LUMINOUS DEVICE COMPRISING MULTIPLE SPACED-APART EMISSION REGIONS - A luminous device includes at least one radiation-emitting semiconductor chip including at least two emission regions arranged spaced apart in a lateral direction, wherein each emission region includes at least one active zone that emits electromagnetic radiation; and a drive device that operates the emission regions. | 2013-09-26 |
20130249397 | System for Monitoring and Controlling High Intensity Discharge (HID) Lamps - The present invention provides a system for monitoring and controlling high intensity discharge (HID) lamps. The system includes a digital electronic ballast integrated with PLCC modem and PLCC concentrator. The digital electronic ballast is capable of monitoring and controlling operation of each of the HID lamp in the system. The PLCC concentrator is located in AC Power line network and connected to each of the digital electronic ballast connected to the respective HID lamps in an AC power line network. Further, the PLCC concentrator sends the command signals such as lamp ON/OFF, lamp dimming, lamp scheduling rules to the digital electronic ballast. The PLCC concentrator also receives lamp status, real time electric parameters, failure information, end of lamp life (EOLL) or lamp burning hours, temperature conditions and warning from the digital electronic ballast thereby the PLCC concentrator provide reports to a server to enable remote monitoring of the network. | 2013-09-26 |
20130249398 | DEVICE AND METHOD FOR GENERATING A PLASMA | 2013-09-26 |
20130249399 | Plasma Processing Apparatus - The present invention provides a plasma processing apparatus. The apparatus includes a vacuum chamber, a plasma reactor arranged in the vacuum chamber for plasma processing, an RF power source for providing RF signals to the plasma reactor and an RF power transmission unit for transmitting RF signals from the RF power source to the plasma reactor inside the vacuum chamber. The RF power transmission unit includes a transmission line for transmitting RF signals and an outer conductor for shielding the electromagnetic field around the transmission line. The invention can effectively avoid the problem of electric discharge when RF signals transmit in a vacuum chamber, resulting in more security and less transmission power loss. | 2013-09-26 |
20130249400 | ION SOURCE DEVICE AND ION BEAM GENERATING METHOD - An ion source device has a configuration in which a cathode is provided in an arc chamber having a space for plasma formation, and a repeller is disposed to face a thermal electron discharge face of the cathode by interposing the space for plasma formation therebetween. An external magnetic field that is induced by a source magnetic field unit is applied to the space for plasma formation in a direction parallel to an axis that connects the cathode and the repeller. An opening is provided in a place corresponding to a portion in the repeller with the highest density of plasma that is formed in the space for plasma formation, and an ion beam is extracted from the opening. | 2013-09-26 |
20130249401 | LIGHT-EMITTING DEVICE - A light-emitting device includes a substrate having a metal film on a first surface, a light-emitting element mounted on the first surface of the substrate and connected to the metal film, a heat sensitive circuit breaker mounted on the first surface of the substrate and connected to the metal film, a light-proof cover that covers the heat sensitive circuit breaker to block light emitted from the light-emitting element and travelling toward the heat sensitive circuit breaker, and a heat dissipating member formed on a second surface of the substrate to dissipate heat of the substrate, the second surface being opposite to the first surface. | 2013-09-26 |
20130249402 | Wireless Lighting Control System - A lighting device includes a DC/DC power converter, a controller/processor electrically connected to the DC/DC power converter, a light emitting diode (LED) current control circuit communicably coupled to the controller/processor and electrically connected to the DC/DC power converter, and two or more LEDs comprising at least a first color LED and a second color LED electrically connected to the LED current control circuit. The LED current control circuit provides an on/off signal having a cycle time to each LED in response to one or more control signals received from the controller/processor such that the two or more LEDs produce a blended light having a specified color based on how long each LED is turned ON and/or OFF during the cycle time. | 2013-09-26 |
20130249403 | Wireless Lighting Control System - A lighting device includes a DC/DC power converter, a controller/processor electrically connected to the DC/DC power converter, a light emitting diode (LED) current control circuit communicably coupled to the controller/processor and electrically connected to the DC/DC power converter, and two or more LEDs comprising at least a first color LED and a second color LED electrically connected to the LED current control circuit. The LED current control circuit provides an on/off signal having a cycle time to each LED in response to one or more control signals received from the controller/processor such that the two or more LEDs produce a blended light having a specified color based on how long each LED is turned ON and/or OFF during the cycle time. | 2013-09-26 |
20130249404 | Reduced-Size Modular LED Washlight Component - A light-emitting diode (LED) light module is provided, comprising: a single-piece printed circuit board (PCB) comprising the following integrated on the PCB: a plurality of LEDs in each of a plurality of LED groups; a power supply converter; a controller module comprising a processor, memory, operational program stored in the memory and executable by the processor; input/output (I/O) circuitry, and an LED driver that drives the LEDs; the module further comprising: a single metallic housing that contains the PCB; a heat sink that conducts heat from components on the PCB to the housing; and a lens for diffusing or directing lights from the LEDs. | 2013-09-26 |
20130249405 | DIMMABLE LIGHT EMITTING DIODE LIGHTING SYSTEM - An LED lighting system including a first group of LEDs, a second group of LEDs, and a controller. The first group of LEDs and the second group of LEDs are configured to be independently driven by a first LED drive signal and a second LED drive signal, respectively. The controller is configured receive a dimming signal from a dimmer having a preheat function. The controller is also configured to compensate the dimming signal for the preheat function of the dimmer to generate a compensated dimming signal, generate the first LED drive signal based on the compensated dimming, and generate the second LED drive signal based on the compensated dimming signal. The first LED drive signal is then transmitted the first group of LEDs and the second LED drive signal is transmitted to the second group of LEDs. | 2013-09-26 |
20130249406 | LED Emitting Device and Driving Method Thereof - Disclosed are an LED emitting device and driving method thereof. The LED emitting device controls an LED drive switch connected to a first end of an LED string to control an output current supplied to the LED string. The LED emitting device generates feedback information on the output voltage or the output current supplied to the LED string, and uses the output current to sense an open lamp state of the LED string. The LED emitting device uses a voltage at a first end of the LED drive switch to sense a change of the LED string to a normal state from the open lamp state. | 2013-09-26 |
20130249407 | Light Emitting Module and Lighting System - A first LED group including a plurality of LEDs is regularly arranged in a toric shape on the circumference of a center of an approximately rectangular substrate which is formed of ceramics. In addition, the first LED group including the plurality of LEDs is entirely covered in a toric shape with a sealing member. In addition, a second LED group including a plurality of LEDs is regularly arranged in a grid shape in the vicinity of the center of the approximately rectangular substrate. In addition, the LED group including the plurality of LEDs is entirely covered with a sealing member. In addition, the sealing member entirely covers the inside of the toric portion of a first region. | 2013-09-26 |
20130249408 | SOLID STATE LIGHTING PANELS WITH VARIABLE VOLTAGE BOOST CURRENT SOURCES - A lighting system includes a lighting panel having a string of solid state lighting devices and a current supply circuit having a voltage input terminal, a control input terminal, and first and second output terminals coupled to the string of solid state lighting devices. The current supply circuit is configured to supply an on-state drive current to the string of solid state lighting devices in response to a control signal. The current supply circuit includes a charging inductor coupled to the voltage input terminal and an output capacitor coupled to the first output terminal. The current supply circuit is configured to operate in continuous conduction mode in which current continuously flows through the charging inductor while the on-state drive current is supplied to the string of solid state light emitting devices. | 2013-09-26 |
20130249409 | Lighting System Control and Synthetic Event Generation - Systems and methods are described for the control of lighting systems at individual light-fixture, local, regional, and larger-geographical-area levels that also distribute electrical power to consumers. One implementation comprises a hierarchical lighting-control system including an automated network-control center that may control up to many millions of individual lighting fixtures and lighting elements, regional routers interconnected to the network-control center or network-control centers by public communications networks, each of which controls hundreds to thousands of individual light fixtures, and light-management units, interconnected to regional routers by radio-frequency communications and/or power-line communications, each of which controls components within a lighting fixture, including lighting elements, drivers, sensors, and other devices. Systems and methods of using synthetic events for calibration and control of lighting systems are also described. | 2013-09-26 |
20130249410 | DYNAMIC LIGHTING BASED ON ACTIVITY TYPE - Dynamic lighting techniques are disclosed that consider activity within a given area so as to provide lighting to that area with a high degree of context awareness. In some embodiments, the techniques not only consider physical activity within a given area, but further consider emotional activity within that area, and provide lighting geared toward or otherwise appropriate for such specific activity. In some embodiments, physical activity is divided into general activity and specific activity; emotional activity may be subdivided in a similar fashion. Other factors may be considered as well, including the layout of the area being illuminated and/or any user provided lighting preferences. In some embodiments, user preferences can be used to override general physical and/or emotional activity, and specific physical and/or emotional activity can override the user preferences. Numerous variations and lighting systems will be apparent in light of this disclosure | 2013-09-26 |
20130249411 | Light Emitting Module and Lighting System - A light emitting module includes a toric sealing unit which seals blue LEDs arranged in a toric shape on a substrate from above, and a sealing unit which seals red LEDs arranged in the vicinity of a center of the toric shape of the blue LEDs. The sealing unit is formed to fill the inside of the toric shape of the toric sealing unit. The sealing unit has a refractive index of light higher than that of the toric sealing unit. The light which are emitted from the blue LEDs and the red LEDs, are refracted on the interface between the sealing unit and sealed gas, and proceed to the direction of the sealed gas, thereby being composed appropriately. | 2013-09-26 |
20130249412 | LIGHTING CIRCUIT AND LUMINAIRE - According to one embodiment, a lighting circuit includes a first power supply circuit, a first detecting circuit, a first control circuit, and a first protecting circuit. The first power supply circuit is supplied with power from a first power supply and outputs a direct current flowing in a first direction. The first detecting circuit detects a first detection value of an electric current flowing between the first power supply circuit and an output terminal. The first control circuit compares a first detection value detected by the first detecting circuit with a reference value and controls the first power supply circuit. The first protecting circuit is connected to the first detecting circuit and reduces an absolute value of the first detection value if an electric current flows in a direction opposite to the first direction. | 2013-09-26 |
20130249413 | LIGHT EMITTING ELEMENT PIXEL DRIVING CIRCUIT - A pixel circuit includes a control switch module, a capacitor, a driving switch, and a light emitting element. The control switch module is enabled and disabled according to a scan signal. A first end of the capacitor can be electrically connected to the control switch module, and a second end of the capacitor can be electrically connected to a voltage level. The capacitor receives and stores a predetermined driving voltage when the control switch module is enabled. Area of the capacitor occupies more than 20% area of the pixel circuit. The driving switch can be electrically connected to the capacitor and a voltage source for controlling a driving current flowing through the driving switch according to the predetermined driving voltage stored in the capacitor. The light emitting element emits light according to the driving current flowing through the driving switch. | 2013-09-26 |
20130249414 | Light-Emitting Device and Driving Method Thereof - Charge corresponding to a potential difference between electrodes of an electroluminescence element is accumulated in a period in which the electroluminescence element emits light; the potential difference is detected without decrease in the luminance at the time of light emission of the electroluminescence element; and a reference potential of one electrode of the electroluminescence element is changed based on the detected potential difference, so that reduction in luminance of the electroluminescence element due to deterioration of the electroluminescence element is compensated. | 2013-09-26 |
20130249415 | CURRENT-LIMITING DEVICE AND LIGHT-EMITTING DIODE APPARATUS CONTAINING THE SAME - An LED apparatus includes an LED component and a current-limiting device. The LED component includes at least one LED having a corresponding current-limiting resistance value. The current-limiting device includes a plurality of PTC devices connected in series. The plurality of PTC devices are capable of effectively sensing the temperature of the LED and are electrically coupled to the LED component. The resistance value of the current-limiting device increases with the increment of sensed temperature. The current-limiting device has a resistance close to or equal to the current-limiting resistance value at a temperature at which the LED operates normally. When the temperature of the LED gradually increases to an abnormal temperature, current allowable to be flowed through the current-limiting device gradually decreases to be lower than LED operating current. | 2013-09-26 |
20130249416 | POWER SUPPLY SYSTEM AND CONTROLLING METHOD - A method for controlling a current of a power supply system includes following steps. First, the power supply is started to produce an output current and the output current is increased. Afterward, the output current is decreased when the output current increases to a rated output current value. Finally, the output current is maintained at a typical output current value when the output current decreases to the typical output current value. | 2013-09-26 |
20130249417 | Flexible LED Pixel String With Two Shielding Ground Lines - The present invention relates to a flexible LED pixel string comprising a number of LED pixels interconnected by a flexible cable, where the flexible LED pixel string comprises a connector for connecting the flexible LED pixel string to a data and power feeder. The flexible cable comprises a first conductor being a power line, a second conductor being a data line, a third conductor being a clock line, a fourth conductor being a first ground line and a third conductor being a second ground line. The data line or the clock line are arranged between the first ground line and the second ground line. | 2013-09-26 |
20130249418 | LIGHT EMITTING DIODE DRIVING APPARATUS - There is provided a light emitting diode driving apparatus capable of uniformly maintaining current balance between light emitting diode channels. The light emitting diode driving apparatus includes: a DC to DC converting unit converting the direct current power into settable driving power; a detecting unit detecting voltage drops generated in each of a plurality of light emitting diode channels each having a plurality of light emitting diodes; a converting unit converting an analog value into a digital value; and a driving unit differentially setting duty cycles of switching signals according to the digital values from the converting unit to drive the plurality of light emitting diode channels. | 2013-09-26 |
20130249419 | LED CONTROLLER WITH COMPENSATION FOR DIE-TO-DIE VARIATION AND TEMPERATURE DRIFT - A system including a selection module to select one of a plurality of templates corresponding to a plurality of light emitting diodes, where the selected template includes one or more of temperature, current, and voltage characteristics of the plurality of light emitting diodes. A control module measures a voltage across one of the plurality of light emitting diodes; determines a temperature of the plurality of light emitting diodes based on the voltage measured across the one of the plurality of light emitting diodes and the selected template; and in order to maintain a luminosity of the plurality of light emitting diodes at a predetermined luminosity, adjusts current through the plurality of light emitting diodes based on the temperature, the selected template, and calibration data. The calibration data include current through the plurality of light emitting diodes and corresponding luminosities of the plurality of light emitting diodes. | 2013-09-26 |
20130249420 | LED DRIVING SYSTEM AND METHOD - A light emitting diode (LED) driving system includes a sampling circuit, a control circuit, a PWM controller circuit, a DC/DC converter and a current balance circuit. The sampling circuit detects voltage of cathodes of LED strings of a LED array. The control circuit generates and outputs a control signal according to the minimum voltage of the cathodes of rest LED strings except LED string with the minimum cathode voltage, if the minimum voltage is in an expected voltage range and a difference between the maximum voltage of the cathodes of the LED strings and the minimum voltage of the cathodes of the LED strings is greater than a threshold. The PWM controller circuit generates and outputs PWM signals according to the control signal, to control the DC/DC converter generate and output suitable direct current voltage to drive the LED array. The current balance circuit comprises a plurality of switches. | 2013-09-26 |
20130249421 | Method for Optimizing Efficiency versus Load Current in an Inductive Boost Converter for White LED Driving - Circuits and methods to achieve a most efficient driver for white LEDs are disclosed. Switching Losses associated with the switching activity of a boost converter and mainly depending on clock frequency and total capacitance at the switching nodes and conduction losses associated with the current flowing in the boost converter and mainly depending on the series resistance of the elements in the regulation loop are minimized by using a size programmable NFET power switch with constant current limit, a very low voltage and accurate programmable current source, a programmable reference voltage for the error amplifier, and a PWM generator with programmable clock frequency. A limited number of configuration windows corresponding to a set of programmable values (OTP registers) for specific ranges of the current fed to the WLEDs. | 2013-09-26 |
20130249422 | VARIABLE MASTER CURRENT MIRROR - A variable master current minor circuit may be used to balance the currents through a parallel Light Emitting Diode (LED) strings in an illumination module when the LED string with the largest forward voltage changes due to events, such as a short failure of an LED. The variable master current mirror circuit includes a switching circuit that is coupled to the parallel LED strings and a current minor circuit that is coupled to the parallel LED strings and the switching circuit. The switching circuit switchably connects the LED string with the largest forward voltage to the current minor circuit as a master LED string. The current mirror circuit maintains equal currents through the LED strings with reference to the current through the master LED string. | 2013-09-26 |
20130249423 | CASCODED CURRENT REGULATOR - A cascoded current regulator, including: a first load circuit, having a first load and a current source unit; and a second load circuit, being cascaded with the first load circuit and having a second load and a current mirror unit, wherein a first current flowing through the first load and a second current flowing through the current source unit are controlled by a control voltage, and a third current flowing through the second load and a fourth current flowing through the current mirror unit are generated according to the second current. | 2013-09-26 |
20130249424 | LIGHT EMITTING DIODE DRIVING APPARATUS - There is provided a light emitting diode driving apparatus capable of uniformly controlling current balance between light emitting diode channels. The light emitting diode driving apparatus includes: an AC to DC converting unit converting input AC power into a preset DC driving power; a detecting unit detecting voltage drops generated in a plurality of respective light emitting diode channels each having a plurality of light emitting diodes performing a light emitting operation by receiving the DC driving power; a converting unit converting analog values detected from the detecting unit into digital values; and a driving unit differentially setting switching signal duty cycles in which a driving current is allowed to flow in the plurality of respective light emitting diode channels according to the digital values from the converting unit to drive the plurality of light emitting diode channels. | 2013-09-26 |
20130249425 | DRIVING LIGHT EMITTING CIRCUIT - A light emitting circuit is provided. The light emitting circuit may include a first light emitting diode (LED) group to which LEDs are connected, and a second LED group to which LEDs are connected. A resistive load is serially connected to the first LED group to control a current with respect to the first LED group, and a capacitive load is serially connected to the second LED group to control a current with respect to the second LED group. | 2013-09-26 |
20130249426 | LINEAR DRIVER FOR REDUCED PERCEIVED LIGHT FLICKER | 2013-09-26 |
20130249427 | LIGHT DRIVING APPARATUS AND METHOD THEREOF - A light driving apparatus includes a first rectifying unit for receiving AC power and rectifying the AC power into DC, a switching element controlled to turn on or off by a control signal, a transforming unit having a transformer and an inductor connected to a primary side of the transformer in parallel, a second rectifying unit for rectifying a secondary side output of the transforming unit and supplying an output voltage thereof to a LED unit, and a control unit provided in the primary side to give a constant-current control function so that a secondary side output is maintained consistently. According to the present disclosure, it is possible to simplify the circuit structure of the secondary side and improve the efficiency by controlling the secondary side current at the primary side without secondary side feedback information. | 2013-09-26 |
20130249428 | TWO-WIRE DIMMER SWITCH FOR LOW-POWER LOADS - A two-wire load control device (such as, a dimmer switch) is operable to control the amount of power delivered from an AC power source to an electrical load (such as, a high-efficiency lighting load) and has substantially no minimum load requirement. The dimmer switch includes a bidirectional semiconductor switch, which is operable to be rendered conductive each half-cycle and to remain conductive independent of the magnitude of a load current conducted through semiconductor switch. The dimmer switch comprises a control circuit that conducts a control current through the load in order to generate a gate drive signal for rendering the bidirectional semiconductor switch conductive and non-conductive each half-cycle. The control circuit may provide a constant gate drive to the bidirectional semiconductor switch after the bidirectional semiconductor switch is rendered conductive each half-cycle. The bidirectional semiconductor switch may comprise, for example, a triac or two field-effect transistors coupled in anti-series connection. | 2013-09-26 |
20130249429 | SYSTEMS AND METHODS FOR PROVIDING POWER AND DATA TO LIGHTING DEVICES - Systems and methods are provided for lighting systems, including high output lighting systems for various environments. The lighting systems include a lighting controller for driving lighting modules and transmitting a data signal to the lighting modules. The data signal varies between logical states. The lighting controller provides a low loss rectified power signal. The lighting controller further provides data within the power signal by forming a positive polarity rectified power waveform corresponding to data in a first state and a negative polarity rectified waveform signal corresponding to data in a second state using substantially loss-less circuitry. | 2013-09-26 |
20130249430 | ADAPTABLE DRIVER CIRCUIT FOR DRIVING A LIGHT CIRCUIT - Driver circuits ( | 2013-09-26 |
20130249431 | Dimmable Hybrid Adapter for a Solid State Lighting System, Apparatus and Method - Exemplary systems, methods and apparatuses for a distributed solid-state lighting system are disclosed which are also compatible with legacy AC luminaires. An exemplary adapter apparatus includes a first coupling interface to receive a first DC input voltage having a first DC input voltage level; a converter circuit to generate a second DC voltage having a second DC voltage level; a regulator circuit to generate a pulse width modulated DC or AC voltage; and a second coupling interface to provide the pulse width modulated DC or AC voltage to such an AC luminaire, lamp, or bulb. In exemplary embodiments, the pulse width modulated DC or AC voltage has a duty cycle substantially linearly proportional to the first DC input voltage level, which corresponds to a user-selected light output brightness or dimming level. | 2013-09-26 |
20130249432 | Wireless Adaptation of Lighting Power Supply - Methods, systems, and apparatus, for wirelessly controlling a power supply device that controls a load. A wireless adapter includes a wireless communication device that receives transmissions from a wireless controller, a serial interface for a serial data connection to a power supply processing device integrated in the power supply device, an adapter processing device that receives the control signals the wireless communication device outputs, generates the control commands from the control signals, and outputs the control commands to the serial interface to cause the power supply processing device to control power provided to the load in a manner specified by the control commands, and an adapter power circuit that receives regulated direct current (DC) power from the power supply device and is powered from the regulated DC power received, and provides power to the wireless communication device and the adapter processing device. | 2013-09-26 |
20130249433 | LIGHTING CONTROLLER - A lighting controller provides a user interface module and a lighting controller engine. The user interface module allows a user to specify settings for one or more lighting fixtures using descriptive, absolute or relative values, which the lighting controller engine translates into fixture-dependent values before sending them to the lighting fixtures. The user interface module also provides context-based displays and context-based controls. | 2013-09-26 |
20130249434 | MULTI-CHIP LIGHT EMITTING DEVICE LAMPS FOR PROVIDING HIGH-CRI WARM WHITE LIGHT AND LIGHT FIXTURES INCLUDING THE SAME - A multi-chip lighting emitting device (LED) lamp for providing white light includes a submount including first and second die mounting regions thereon. A first LED chip is mounted on the first die mounting region, and a second LED chip is mounted on the second die mounting region. The LED lamp is configured to emit light having a spectral distribution including at least four different color peaks to provide the white light. For example, a first conversion material may at least partially cover the first LED chip, and may be configured to absorb at least some of the light of the first color and re-emit light of a third color. In addition, a second conversion material may at least partially cover the first and/or second LED chips, and may be configured to absorb at least some of the light of the first and/or second colors and re-emit light of a fourth color. Related light fixtures and methods are also disclosed. | 2013-09-26 |
20130249435 | Level Light - A lighting apparatus having a light source and a leveling mechanism capable of maintaining the light source in a desired orientation is described. The lighting apparatus may have a pivot mechanism about which the light source is capable of rotating such that the lighting apparatus maintains the desired orientation. In specific embodiments, the lighting apparatus comprises a directional light source, a pivot mechanism, a connector capable of connecting the pivot to another object, and a mechanism that allows the light source to rotate about the pivot to maintain a desired orientation. The lighting apparatus may be connected to an object, such as a piece of wheeled luggage, such that when the luggage is tilted the light source maintains an desired orientation such as a horizontal orientation. | 2013-09-26 |
20130249436 | Lighting Control System and Central Control Apparatus - A lighting control system includes a central control apparatus and plural luminaires. A light color of each of the plural luminaires can be changed and each of them is assigned to one of plural groups to which different light colors are assigned or is duplicately assigned to the plural groups. The central control apparatus includes a control part and an output part. The control part generates control signals for controlling the light colors of the plural luminaires and causes a light color of a luminaire overlapping with the plural groups or an adjacent luminaire to become an intermediate light color between the assigned light colors for the respective plural groups when the plural luminaires assigned to the plural groups are lit and controlled. The output part outputs the control signals generated by the control part to the plural luminaires. | 2013-09-26 |
20130249437 | ADAPTIVE FILTER FOR LED DIMMER - A dimming controller for an LED lamp controls dimming using an adaptive filter to reduce or eliminate perceivable flickering and to provide smooth transitions during active dimming. During stable conditions, the adaptive filter operates with a relatively narrow bandwidth to filter noise that may lead to perceivable flickering. During active or startup conditions, the adaptive mapping filter operates with a high bandwidth to provide a quick response to the dimmer switch. | 2013-09-26 |
20130249438 | EARLY WARNING STROBE FOR MITIGATION OF LINE AND LOAD TRANSIENTS - This document discusses apparatus and methods associated with an early warning strobe input of a boost converter. In an example, a method of increasing a set point of a boost converter configured to provide power to a mobile device can include receiving an indication that the mobile device will transition from the first low-power mode to a second higher-power mode; and increasing the set point of the boost converter in response to the indication. | 2013-09-26 |
20130249439 | Adaptive Current Regulation for Solid State Lighting - Representative embodiments provide an apparatus, system, and method for power conversion to provide power to solid state lighting, and which may be coupled to a first switch, such as a dimmer switch. A representative system for power conversion comprises: a switching power supply comprising a second, power switch; solid state lighting coupled to the switching power supply; a voltage sensor; a current sensor; a memory; a first adaptive interface circuit to provide a resistive impedance to the first switch and conduct current from the first switch in a default mode; a second adaptive interface circuit to create a resonant process when the first switch turns on; and a controller to modulate the second adaptive interface circuit when the first switch turns on to provide a current path during the resonant process of the switching power supply. | 2013-09-26 |
20130249440 | Circuit And Method For Driving A Light-Emitting Diode - Circuits and methods for driving an LED from a secondary side of a transformer are disclosed herein. An embodiment of the method includes monitoring an input voltage to determine the power level intended to drive the LED. The current flow through the primary side of the transformer is adjusted to make the power actually driving the LED equal to the power intended to drive the LED. | 2013-09-26 |
20130249441 | SYSTEM AND METHOD FOR DISTRIBUTED LIGHTING DEVICE CONTROL - A system for distributed light control, including a light circuit, a first device associated with the light circuit, a second device associated with the light circuit, a network communicatively connecting the light circuit, the first device, and the second device, where the first device is configured to actuate the light circuit based upon a control command sent on the network and in accordance with configuration data stored at the first device, where the second device includes a shadow configuration comprising a copy of the configuration data, where the second device is configured to generate a shadow image of the light circuit based upon the control command and the shadow configuration, and where the shadow image comprises a computed status of the light circuit. | 2013-09-26 |
20130249442 | Digital Lighting Sub-Network Interface - A digital sub-network interface unit includes a primary digital lighting interface port to couple to a primary lighting network. An address of the digital sub-network interface unit on the primary lighting network is manually set at the digital sub-network interface unit. The digital sub-network interface unit also includes a secondary digital lighting interface port to couple to a secondary lighting network. The digital sub-network interface unit further includes a lighting sub-network processor. The lighting sub-network processor is configured to assign addresses to a plurality of secondary lighting fixtures, and to receive commands from a primary digital lighting controller in association with an address of the digital sub-network interface unit. The lighting sub-network processor is also configured to control a plurality of secondary lighting fixtures based on the commands received from the primary digital lighting controller. | 2013-09-26 |
20130249443 | Compensated Precessional Beam Extraction for Cyclotrons - A plurality of magnetic extraction bumps are incorporated into a cyclotron that further includes (a) a pair of magnetic coils encircling a central axis and positioned on opposite sides of a median acceleration plane and (b) a magnetic yoke encircling the central axis and including a return yoke that crosses the median acceleration plane and a first and second pole on opposite sides of the median acceleration plane. The magnetic extraction bumps extend in series radially from the central axis on opposite sides of the median acceleration plane and can be used to extract an orbiting accelerated ion from the cyclotron. | 2013-09-26 |
20130249444 | HIGH INTEGRITY ROTARY ACTUATOR AND METHOD OF OPERATION - An actuator for an aircraft is provided. The actuator comprises a first motor, a second motor and an actuator output, which are interconnected by a gear assembly. The actuator output is driveable by the first motor independently of the second motor; the actuator output is driveable by the second motor independently of the first motor; and the actuator output is driveable by the first and second motors in combination. | 2013-09-26 |
20130249445 | CONTROL APPARATUS OF VIBRATION-TYPE ACTUATOR - Information regarding a rotational speed is detected by utilizing a variation in the amplitude at a frequency corresponding to the number of a plurality of protrusions of a vibrating member generated in an S-phase signal detected from a vibration detection electrode of a vibration-type actuator. | 2013-09-26 |
20130249446 | STORAGE SYSTEM, ELECTRONIC DEVICE, ELECTRIC VEHICLE AND POWER SYSTEM - Discharge is stopped when a voltage of a battery becomes smaller than a defined value or a remaining capacity of the battery reaches 0, and further, when power to a system cannot be maintained, the system is automatically shut down to be put into a shutdown state. | 2013-09-26 |
20130249447 | Synchronous Motor Controller, Synchronous Motor Control Method - A controller for a conventional synchronous motor is configured to produce desired output characteristics. The controller generates a drive current for based on a current command, has a motor correcting section and a gain adjusting section which output a compensated current command based on the current command according to a compensating transfer function for cancelling a first transfer function showing a first torque response characteristic of the synchronous motor and replacing it with a second transfer function showing a second torque response characteristic, and a current controller which generates a drive current corresponding to the compensated current command. | 2013-09-26 |
20130249448 | SYNCHRONOUS MACHINE CONTROL APPARATUS - A synchronous machine control apparatus is characterized by including a magnet condition estimation unit ( | 2013-09-26 |
20130249449 | SYNCHRONOUS MOTOR CONTROL APPARATUS - A control apparatus includes, a first calculating unit which calculates first d-phase and q-phase current limit candidate values, a second calculating unit which calculates second d-phase and q-phase current limit candidate values, a q-phase unit which, when the absolute value of the first d-phase current limit candidate value is smaller than that of the second d-phase current limit candidate value, sets the first q-phase current limit candidate value as a q-phase current limit value, but otherwise sets the second q-phase current limit candidate value as the q-phase current limit value, and a d-phase unit which, when the absolute value of the first d-phase current limit candidate value is smaller than that of the second d-phase current limit candidate value, sets the first d-phase current limit candidate value as a d-phase current limit value, but otherwise sets the second d-phase current limit candidate value as the d-phase current limit value. | 2013-09-26 |
20130249450 | SENSORLESS CONTROL APPARATUSES AND CONTROL METHODS THEREOF - A sensorless control apparatus may include: a speed command unit configured to output a speed command to an electric motor; a current detector unit configured to detect electric current flowing through the electric motor if a voltage being output according to the speed command is supplied to the electric motor; a rotor angle calculation unit configured to calculate a magnetic flux of a rotor of the electric motor based on the detected electric current and the voltage being output according to the speed command, and to calculate an angle of the rotor from the calculated magnetic flux; and/or an out-of-step sensing unit configured to sense an out-of-step of the rotor according to a comparison of the calculated angle of the rotor with an angle of the rotor estimated based on a sensorless control algorithm. | 2013-09-26 |
20130249451 | VOLTAGE CONVERSION CONTROL DEVICE FOR MOTOR - Disclosed is a control device which performs voltage conversion control for a voltage conversion circuit between motor control circuits which control a plurality of motors and a power supply. The control device includes sampling means for sampling a DC voltage after voltage conversion, target voltage setting means for setting target voltages of the plurality of motors, selection means for selecting a target voltage to be converted by the voltage conversion circuit from among the plurality of target voltages, generation means for generating a sampling timing on the basis of a carrier signal of one of the motors having the unselected target voltage, and control means for performing voltage conversion control using the DC voltage sampled by the sampling means in response to the sampling timing for each sampling timing request of voltage conversion control. | 2013-09-26 |
20130249452 | ANGLE DETECTOR AND MOTOR DRIVE CONTROLLER - Certain embodiments provide an angle detector comprising: an AD converter configured to analog-to-digital convert plural-phase signal waves having respective different phases; a corrector configured to delay a phase of an excitation signal by an amount corresponding to a phase difference between the excitation signal and the signal wave; a wave detector configured to perform synchronous detection to an output signal from the AD converter in synchronization with the excitation signal whose phase is corrected; and an angle calculator configured to calculate an estimated rotation angle using an output signal of the wave detector and output the estimated rotation angle to the AD converter. | 2013-09-26 |
20130249453 | RESOLVER/DIGITAL CONVERTER - Three-phase resolver signals that are output from a resolver upon reception of an excitation signal are captured by a microcomputer. The microcomputer computes a rotation angle of an electric motor on the basis of the three-phase resolver signals. The ratio between an excitation period of the excitation signal and a capturing period of each of the three-phase resolver signals is set to 8:5. A computation period of the rotation angle is set to half of the least common multiple of the excitation period of the excitation signal and the capturing period of each resolver signal. | 2013-09-26 |
20130249454 | DRIVING APPARATUS FOR MULTIPLEX-WINDING ROTARY MACHINE - Provided are rotational position detection means detecting the rotational position of a multiplex-winding rotary machine; failure determination means determining failure of the rotational position detection means; control means calculating a voltage instruction for each winding group, based on the rotational position detected by the rotational position detection means; and voltage application means applying voltage to each winding group, based on the voltage instruction. According to the failure determination by the failure determination means, the control means outputs a voltage instruction for rotational position estimation to the voltage application means, and estimates the rotational position θe, based on at least one of voltage and current obtained from the winding group in accordance with the voltage instruction. | 2013-09-26 |
20130249455 | MODULARIZED CONTROL CIRCUIT WITH SIGNAL-CAPTURING FUNCTION FOR FAN MOTOR AND CONTROLLING METHOD - A modularized control circuit with a signal-capturing function for a fan motor is disclosed. The modularized control circuit includes a driven circuit and a microcontroller integrated circuit. The driven circuit is electrically connected to the fan motor to produce at least one analog driven voltage signal, thus driving the fan motor. The microcontroller integrated circuit is electrically connected to the driven circuit and includes a signal-capturing module, a control unit, and a driven signal generator. The signal-capturing module receives an external pulse signal to produce a cycle-capturing signal. The control unit is connected to the signal-capturing module and receives the cycle-capturing signal to produce a control signal. The driven signal generator is connected to the control unit to receive the control signal, thus producing a plurality of switch driven signals for controlling the driven circuit. | 2013-09-26 |
20130249456 | MOTOR CONTROL CIRCUIT - To provide a motor control circuit that variably controls the speed of a motor, in which an appropriate advance angle value corresponding to the speed of the motor that is set can be automatically set. The motor control circuit according to the present invention includes an advance angle setting means that adds a reference advance angle value to an advance angle correction value obtained by multiplying a proportional coefficient by a correction amount and outputs an advance angle setting signal, and an advance angle setting correction means that uses a ratio of a correction reference period relative to a period of a reference signal input from the outside as a correction amount and corrects the reference advance angle value by an advance angle correction value obtained by multiplying the correction amount by a predetermined proportional coefficient of the advance angle setting means. | 2013-09-26 |
20130249457 | METHODS, SYSTEMS AND APPARATUS FOR GENERATING VOLTAGE COMMAND SIGNALS FOR CONTROLLING OPERATION OF AN ELECTRIC MACHINE - Embodiments of the present disclosure relate to methods, systems and apparatus for generating voltage command signals for controlling operation of an electric machine. The disclosed embodiments can reduce current and torque oscillation, which can in turn improve machine efficiency and performance, as well as utilization of the DC voltage source. | 2013-09-26 |
20130249458 | UNIVERSAL CONTROL UNIT FOR BRUSHED OR BRUSHLESS DC MOTOR - A universal control unit for driving a brushed or a brushless DC motor, such as the type commonly employed in a vehicle fuel pump or other vehicle application. According to exemplary embodiments, a universal control unit includes a processing device and an output stage, and is connected to either a brushed or a brushless DC motor in a manner that accommodates the two different motor types so that a common or universal controller can be used. | 2013-09-26 |
20130249459 | FILTER APPARATUS AND METHOD FOR BRUSHLESS DC MOTORS - In a multi-phase brushless DC motor, a zero crossing N-bit filter includes a comparator and a phase multiplexer. The phase multiplexer connects each motor phase to each of a positive and a negative input of the comparator, with a switch in each connection to form a switch array. A microprocessor is disposed to operate the switches, and is configured to measure a BEMF for a first phase by opening the switches connecting all other phases to the positive input of the comparator and by opening the switch connecting the first phase being measured to the negative input of said comparator. The comparators output is received by a shift register. The microprocessor is configured to respond to a zero crossing when a majority of bits in the shift register change between high and low. | 2013-09-26 |
20130249460 | POWER CONVERSION APPARATUS - In a power conversion apparatus that is configured to cool switching elements by using a boiling-refrigerant-type cooling device that uses a boiling phenomenon of a refrigerant included therein, an inverter control unit that controls the switching elements (Su to Sz) by generating a gate command capable of stabilizing boiling of the refrigerant includes a modulation-mode selection unit that determines stability of the cooling device based on an element-temperature estimation value that is an estimated temperature of the switching elements (Su to Sz), and that decides and selects a modulation mode PM for controlling the switching elements (Su to Sz) based on a determination result, and a gate-command generation unit that generates a gate command G based on the modulation mode PM selected by the modulation-mode selection unit. | 2013-09-26 |
20130249461 | MOTOR DRIVE CIRCUIT - A motor drive circuit operates in a first mode in which the output current flowing to a first output terminal from a second output terminal is increasing or in a second mode in which the output current flowing to the first output terminal from the second output terminal is decayed. In the first mode, a first voltage signal is output from the first signal terminal and the ground voltage output from the second signal terminal and, in the second mode, a ground voltage is output from the first signal terminal and a second voltage signal is output from the second signal terminal. The motor drive circuit compares the signals output from the first and second signal terminals and output comparison results to a control unit for controlling the output current through the motor coil. | 2013-09-26 |
20130249462 | Driver Circuit And Driving Method - A driver circuit for driving an electrical load includes an input terminal pole connecting the driver circuit to an AC voltage source, an output terminal pole connecting the driver circuit to the load, a rectifier circuit connected to the input terminal pole for converting an AC voltage into a pulsating DC voltage, and a control element connected to the rectifier circuit and to the output terminal pole. The control element has a switch and a controller, the controller switching the switch on and off by means of a pulse train signal, wherein an electrical output value of the driver circuit is adjustable by switching the switch. The controller is configured to vary at least one time-based value of the pulse train signal within one period of the pulsating DC voltage such that a driver current is adjusted at the output terminal pole having a defined waveform within the period. | 2013-09-26 |
20130249463 | VARIABLE SPEED SWITCH - The variable speed switch according to the present invention is capable of outputting an electric signal for increasing or decreasing an amount of electric power supplied to the motor of an electric power tool according to a displacement amount of a switch-operating portion. The variable speed switch includes a wake-up contact configured to work when the switch-operating portion is operated and by which a voltage can be applied to a control circuit part of the motor to make the control circuit part in an operable state, and also includes a load sensor configured to receive a pressing force from the switch-operating portion by the displacement amount of the switch-operating portion after the operation of the wake-up contact is made and to output an electric signal according to the pressing force. | 2013-09-26 |
20130249464 | Actuator Assembly with Preloaded Ball Screws - An actuator assembly includes a first motor having a first transmission mechanism, a second motor having a second transmission mechanism, and a drive shaft operatively coupled to the first transmission mechanism of the first motor and the second transmission mechanism of the second motor. The actuator assembly includes a torque application system disposed in operative communication with the first motor and the second motor, the torque application system configured to direct an application of a translation torque and a preload torque between the first motor and the first transmission mechanism and between the second motor and the second transmission mechanism. | 2013-09-26 |
20130249465 | MOTOR CONTROL APPARATUS - A motor control apparatus includes a position controller that generates a velocity command on the basis of a position difference between a position command and a position feedback signal, a switcher that switches the position feedback signal to be input to the position controller from a first position signal detected by a laser interferometer to a second position signal detected by a position sensor, and a phase compensator that compensates for a phase delay of the second position signal switched by the switcher relative to the first position signal. | 2013-09-26 |
20130249466 | Photovoltaic System Having Burp Charger Performing Concept of Energy Treasuring and Recovery and Charging Method Thereof - The Configurations of photovoltaic system and charging methods thereof are provided. The proposed photovoltaic system includes a first battery receiving a first pulse train to proceed a first charge during a first time period and engaging in an intense discharge to generate a second pulse train during a first portion of a second time period, a second battery receiving the first pulse train to proceed a second charge during the second time period, a third battery engaging in a third charge via the second pulse train during the first portion of the second time period, and a charge management controller controlling the first charge and the intense discharge of the first battery, the second charge of the second battery, and the third charge of the third battery. | 2013-09-26 |
20130249467 | STUFFED ANIMAL CELL PHONE CHARGER - A stuffed animal cell phone charging device includes a cushioned main body having an internal rechargeable battery and a securing member for releasably holding a cell phone. The charging device may be adapted for wirelessly coupling with the cell phone for inductive charging or include at least one power plug adaptor for wired charging of the cell phone. An AC power plug in connection with the rechargeable battery recharges the rechargeable battery. The device includes speakers having wireless data exchange connectivity for wirelessly pairing with the cell phone to play music stored on a cell phone. Further embodiments of the charging device may include a pillow or other cushioned object. The device may include a handle or strap for carrying the device. The internal battery, speakers, power plug adaptors, audio connections and AC power plug may be removed so that the stuffed animal, or other cushioned object, may be washed. | 2013-09-26 |