45th week of 2013 patent applcation highlights part 19 |
Patent application number | Title | Published |
20130293071 | Cantilever Carousel System - A cantilever carousel system for efficiently storing multiple print cylinders while providing a common access point for loading and unloading the print cylinders. The cantilever carousel system generally includes an external frame structure defining an internal cavity and a shell connected to the external frame structure to surround the cavity, wherein the shell includes at least one access opening extending therethrough. An internal frame structure is positioned within the cavity and a vertically oriented carousel is supported by the internal frame structure. A drive assembly is mechanically connected to the carousel, wherein the drive assembly circulates the carousel and a plurality of cantilever mandrels are supported by the carousel and circulate with the carousel. A plurality of print cylinders are removably received by the plurality of cantilever mandrels through the access opening. | 2013-11-07 |
20130293072 | TABLET AND ELECTRONIC MEDIA COVER PROTECTOR AND HANDLING APPARATUS - An improved cover and protector for handheld electronics and more specifically to a more dexterous tablet cover which allows for easier handling and positioning for easier user interface, and protection elements to avoid scratches, breaks from incidental contact, and accidental drops. The apparatus includes a front cover, a rear cover, and a removable handle affixed to the rear cover with lockable rotational adjustment. | 2013-11-07 |
20130293073 | Waterproof Structure of a Casing - A waterproof structure of a casing has a case body and a cover pivotally mounted on the case body. The case body has a recess, a water collecting sump defined in the recess and two abutting protrusions respectively formed on two opposite inner sidewalls of the case body. The cover has an outer shell, and an inner stop and two side stops formed on an inner surface of the outer shell. When the cover pivots to cover the recess of the case body, the inner stop and the side stops prevent moisture and dust from entering the case body from a clearance formed between a pivot edge of the outer shell and the water collecting side surface of the case body. | 2013-11-07 |
20130293074 | PARCEL BOX FOR RECEIVING AND KEEPING PARCELS IN A THEFTPROOF MANNER - A parcel box for receiving and keeping parcels in a theftproof manner has a box having a drawer that can be pulled out and pushed in, and a theft prevention mechanism that prevents unauthorized removal of parcel. The theft prevention mechanism has a platform configured to have parcel disposed thereon, a blocking mechanism that blocks pulling out of the drawer from the box when the parcel is placed on the platform, and an unblocking mechanism for unblocking the drawer. The drawer is swingable about a pivot axle fixed in the box. The drawer has a left side wall, a right side wall, an outer wall, and an inner wall. The platform has a first end and a second end situated opposite each other. The platform is swingable about a cross pivot axle fixed in the drawer. | 2013-11-07 |
20130293075 | CHASSIS APPARATUS PROTRUDING ELECTRONIC DEVICES - An apparatus includes a chassis including at least one receiving buttress. The chassis defines an enclosure, and the at least one buttress protrudes a portion electronic devices outside the enclosure by preventing further insertion of the electronic devices into the enclosure. | 2013-11-07 |
20130293076 | Switchgear Enclosure With Improved Door Assembly - A multipoint door latch apparatus for use in a switchgear enclosure comprising a door assembly, a latch handle and latch handle mechanism, a plurality of catch tabs affixed to the face frame of the enclosure. Top, side, and bottom latch bars in latch bar chambers are provided, each having at least one latch tooth and being linked by latch bar linkages such that a displacement of one latch bar along results in the same magnitude displacement in the other two latch bars. The catch tabs or latch teeth, or both, are tapered to provide a suitable seal between the door assembly and the enclosure when the door assembly is latched. | 2013-11-07 |
20130293077 | COUPLING DEVICE FOR DRAWERS - The invention relates to a device ( | 2013-11-07 |
20130293078 | ADJUSTMENT DEVICE FOR DRAWER FACEPLATES - The invention relates to a device for detachably coupling a drawer to an extendable rail of a pull-out guide, having an adjusting device by which a position of a drawer connected to the rail is adjustable relative to the rail in a lateral direction, wherein the device comprises a fastening part that can be fastened to the drawer and a coupling part that can be coupled to the rail. The fastening part is linearly movable by the adjusting device relative to the coupling part and the adjustment device comprises a setting wheel mounted on the coupling part or on the fastening part so as to rotate about an axis, wherein the adjustment device comprises at least two axially spaced devices for converting a rotary movement of the setting wheel into a linear movement of the fastening part relative to the coupling part. | 2013-11-07 |
20130293079 | RAIL FOR A MOVABLE FURNITURE PART - The invention relates to a rail ( | 2013-11-07 |
20130293080 | REFRIGERATOR AND METHOD OF MANUFACTURING DOOR THEREOF - Disclosed herein is a door of a refrigerator in which a vacuum insulation is positioned in the inner core of the door to be spaced apart from the top face, bottom face, front face, rear face and both lateral faces of the door, and a foam insulation is uniformly disposed in the remaining space in the door. | 2013-11-07 |
20130293081 | CABINET GASKET FOR REFRIGERATOR - A cabinet gasket is disposed between the cabinet wrapper and cabinet liner in a refrigerator. The cabinet gasket helps reduce thermal conductivity between the cabinet wrapper/mullion and the cabinet liner and refrigerator compartments. The cabinet gasket includes a relatively rigid portion disposed between the wrapper/mullion and the cabinet liner. The cabinet gasket also includes a relatively flexible portion that covers the portion of the wrapper/mullion exposed to the interior of the refrigerator compartments. | 2013-11-07 |
20130293082 | THERMAL MANAGEMENT OF OLED DEVICES - An electrically powered light source can be constructed with an electroluminescent element operating essentially at room temperature while providing a useful amount of light. A thermal junction located between an OLED and a cover layer of an OLED device is configured to advantageously manage the steady-state temperature of the OLED. The thermal junction may be formed with a thermal resistance of 0.2 m | 2013-11-07 |
20130293083 | LIGHT EMITTING DEVICE - A light emitting device includes a body, at least one light emitting unit, at least one heat dissipating element and a power connecting element. The body has a supporting portion and a locking portion. The supporting portion is disposed on one end of the locking portion. The light emitting unit is disposed on the supporting portion. The heat dissipating element has an opening. The heat dissipating element is connected detachably with the locking portion. The power connecting element is connected with the body. The light emitting device having detachable heat dissipating elements can not only reduce the cost and time of research/development and manufacture but also increase the flexibility of the products. | 2013-11-07 |
20130293084 | LIGHTING DEVICE - A lighting device may be provided that includes: a heat sink which includes a base and a member extending from the base; a light source module which is disposed on a lateral surface of the member; and a reflector which is disposed on the member and has a disposition recess exposing the light source module, wherein the at least two light source modules are provided and the light source module includes a terminal plate which electrically connects the at least two light source modules, and wherein the terminal plate is disposed on the reflector. | 2013-11-07 |
20130293085 | ANTI-REFLECTIVE COATINGS FOR LIGHT BULBS - A light bulb having anti-reflective coatings on an inner surface and/or an outer surface of the shell of the light bulb. The anti-reflective coatings reduce light loss due to reflections at the interfaces between the interior of the bulb and the shell and between the shell and the exterior of the bulb. The light source may be either incandescent, fluorescent or LED. | 2013-11-07 |
20130293086 | SPARKPLUG FOR AN INTERNAL COMBUSTION ENGINE - A sparkplug including an induction coil and an electrode. The induction coil includes two end portions, the electrode extending in a continuation of one of the two end portions. The induction coil includes a conducting wire wound to form a succession of turns, the one of the two end portions having a terminal turn connected to the electrode. The one of the two end portions includes a plurality of coaxial end turns that extend between the terminal turn and an upstream turn, and the terminal turn has a diameter smaller than the diameter of the upstream turn so to reduce strength of the electric field induced in the one of said two end portions near the terminal turn. | 2013-11-07 |
20130293087 | SPARK PLUG - A spark plug includes a tubular insulator, a center electrode, a tubular metal shell, a ground electrode, and a pillar body tip. The tubular insulator has an axial hole penetrating in the direction of an axis. The pillar body tip includes one end face that is welded to the ground electrode and another end face that forms a gap with a front end portion of the center electrode. The ground electrode includes a part where the tip is to be welded. The surface forms a clearance with a part including a constituent material of the tip. The ground electrode includes a surface where a plating layer is disposed. The plating layer covers a surface excluding a formation part of the clearance. The clearance has a size A that is equal to or more than 0.01 mm and equal to or less than 0.5 mm. | 2013-11-07 |
20130293088 | SPARK PLUG - It is an object of the present invention to provide a spark plug having a ground electrode joined securely by electric resistance welding. The spark plug includes a cylindrical metal shell and a ground electrode joined by electric resistance welding to an end portion of the metal shell. The metal shell has a high hardness region formed with a Vickers hardness of 3×10 | 2013-11-07 |
20130293089 | SHRINK-FIT CERAMIC CENTER ELECTRODE - An igniter ( | 2013-11-07 |
20130293090 | FIELD EMISSION DEVICE - The present disclosure relates to a field emission device. The field emission device includes a carbon nanotube structure and two electrodes electrically connected with the carbon nanotube structure. The carbon nanotube structure includes a carbon nanotube array, a carbon nanotube layer located on one side of the carbon nanotube array, and a carbon nanotube cluster between the carbon nanotube array and the carbon nanotube layer. The carbon nanotube array includes a number of first carbon nanotubes that are parallel with each other. The carbon nanotube layer includes a number of second carbon nanotubes. The carbon nanotube cluster includes a plurality of third carbon nanotubes that are entangled around both the plurality of first carbon nanotubes and the plurality of second carbon nanotubes. | 2013-11-07 |
20130293091 | Thick-Film Resistorized Ceramic Insulators For Sealed High Voltage Tube Electrodes - An annular ceramic washer has inner and outer cylindrical surfaces, first and second annular surfaces, and a winding path thick film resistor located on the inner surface. Metal washers are preferably brazed to the end ring surfaces. The annular ceramic washer is useful in vacuum tube applications in establishing a voltage on a target utilizing the voltage of an electrode coupled to the winding path thick film resistor. | 2013-11-07 |
20130293092 | FLUORESCENT MATERIAL AND LIGHT-EMITTING DEVICE EMPLOYING THE SAME - The embodiment provides a process for production of a green light-emitting oxynitride fluorescent material having Sr | 2013-11-07 |
20130293093 | alpha-SIALON, LIGHT-EMITTING DEVICE AND USE THEREOF - Provided are an α-SiAlON activated by Eu, which can realize a higher luminance in a light-emitting device such as a white LED, and also a light-emitting device. The α-SiAlON is represented by the general formula: (M) | 2013-11-07 |
20130293094 | Asymmetric Hosts With Triaryl Silane Side Chains - Novel asymmetric host compounds containing an electron-transport moiety, a hole-transport moiety, an aromatic spacer, and a triaryl silane group are provided. These compounds are useful materials that can be incorporated into OLED devices. | 2013-11-07 |
20130293095 | ORGANIC ELECTROLUMINESCENT DEVICE - The invention provides an OLED device with improved light out-coupling, which can be manufactured easy and reliable at low costs, which comprises an electroluminescent layer stack ( | 2013-11-07 |
20130293096 | FLEXIBLE TOUCH SCREEN PANEL AND FLEXIBLE DISPLAY DEVICE WITH THE SAME - A flexible touch screen panel includes a substrate having flexibility, sensing electrodes on at least one surface of the substrate, and implemented using an opaque conductive metal, and a polarizing plate on the substrate having the sensing electrodes formed thereon. The sensing electrodes may be implemented in a mesh shape having a plurality of openings. | 2013-11-07 |
20130293097 | LIGHTING DEVICE WITH LED CHIP AND PROTECTIVE CAST - The lighting device has at least one LED chip that is potted by means of a potting compound, which potting compound has a light-transmissive, castable and curable matrix material comprising scattering volumes as filler material, wherein the scattering volumes are distributed inhomogeneously over a thickness of the potting compound and these scattering volumes have a lower density than the matrix material in its castable state. A method is used for producing a lighting device, which comprises at least one LED chip, by means of at least the following steps: potting the at least one LED chip by means of a potting compound containing scattering volumes, wherein the scattering volumes have a lower density than a matrix material of the potting compound in this state; curing the potting compound so that an inhomogeneous distribution of the scattering volumes is obtained owing to floating of the scattering volumes in the matrix material. | 2013-11-07 |
20130293098 | SOLID-STATE LINEAR LIGHTING ARRANGEMENTS INCLUDING LIGHT EMITTING PHOSPHOR - A solid-state linear lamp comprises a co-extruded component, the co-extruded component comprising an elongate lens and a layer of photoluminescent material. The elongate lens is for shaping light emitted from the lamp and comprises an elongate interior cavity. The layer of a photoluminescent material is located on an interior wall of the elongate interior cavity. The lamp further comprises an array of solid-state light emitters configured to emit light into the elongate interior cavity. | 2013-11-07 |
20130293099 | Light Emitting Device - A light emitting device includes a base; a light emitting diode (LED) supported by the base; a layer spaced apart from the LED and including a light emitting material of refraction index n | 2013-11-07 |
20130293100 | Graphene Shield Enhanced Photocathodes and Methods for Making the Same - Disclosed are graphene shield enhanced photocathodes, such as high QE photocathodes. In certain embodiments, a monolayer graphene shield membrane ruggedizes a high quantum efficiency photoemission electron source by protecting a photosensitive film of the photocathode, extending operational lifetime and simplifying its integration in practical electron sources. In certain embodiments of the disclosed graphene shield enhanced photocathodes, the graphene serves as a transparent shield that does not inhibit photon or electron transmission but isolates the photosensitive film of the photocathode from reactive gas species, preventing contamination and yielding longer lifetime. | 2013-11-07 |
20130293101 | DISCHARGE LAMP HAVING A DISCHARGE VESSEL AND MERCURY FILLING - A discharge lamp having a mercury-filled discharge vessel, a shatterproofing layer on the outside of the discharge vessel, and a contamination protection material applied to the inner face of the shatterproofing layer is disclosed. In case of breakage, discharge vessel shards are held together by the shatterproofing layer, and the mercury is bonded to the contamination protection material. | 2013-11-07 |
20130293102 | Induction Fluorescent Lamp with Amalgam Chamber - A fluorescent lamp has an amalgam chamber that is in communication with the interior of the lamp through an exhaust tube. The amalgam chamber is constructed as a three-way junction with the exhaust tube and is formed at a supplementary angle of 180 degree or less with respect to the exhaust tube. The construction of the chamber utilizes the force of gravity to keep the amalgam away from the opening of the exhaust tube leading to the interior of the lamp. The amalgam chamber is capable of effectively retaining the amalgam within the chamber and preventing it from penetrating into the interior of the lamp regardless of mounting direction. | 2013-11-07 |
20130293103 | High Efficiency 3-Way Halogen Lamp With Single Filament Microprocessor Driven Light Sources - A 3-way halogen lamp selectively generates a first light level, second light level, and third light level based on whether a first terminal on the lamp base and a second terminal on the lamp base are connected to a power supply. A controller housed entirely within the based detects whether the first and second terminals are connected to the power supply, and generates a control signal as a function thereof. A switching circuit housed entirely within the base is operated by the control signal to provide a voltage load signal having a particular RMS voltage. A single filament halogen capsule is attached to the base and connected to the switching circuit for receiving the voltage load signal and generating the first light level, second light level, and third light level when the voltage signal has a first RMS voltage, a second RMS voltage, and a third RMS voltage, respectively. | 2013-11-07 |
20130293104 | LUMINOUS RADIATOR COVER DEVICE FOR A VEHICLE - A luminous radiator cover device includes: alighting cover unit ( | 2013-11-07 |
20130293105 | Vehicle Exterior Lighting System - An exterior lighting system for a vehicle is disclosed. The lighting system may include a plurality of lights provided proximate the wheel-wheels of the vehicle. The plurality of lights may be illuminated upon a brake pedal of the vehicle being depressed, a turn signal lever of the vehicle being activated, or upon a driver entering a desired setting into an operator interface of the system. The lighting system may be used as a safety feature to provide approaching vehicles better warning of a braking, slowing, or turning vehicle. The lighting system may also be used during roadside repair to warn other vehicles and/or to provide illumination for the repair. The lighting system may also be used for entertainment or accessorizing purposes enabling the user to select from a plurality of lighting sequences stored in the memory of the system. | 2013-11-07 |
20130293106 | CANOPY LIGHT SYSTEM AND ASSOCIATED METHODS - A retrofit canopy light system is provided that has a multi-output power supply assembly in electrical communication with a plurality of luminaire assemblies through a plurality of distribution wires. In one embodiment, each luminaire assembly may receive an electric current from a respective distribution wire extending from the power supply assembly. The power supply assembly may convert high-voltage AC to low-voltage, regulated DC. Each luminaire assembly may comprise a light source and a low profile, heat-dissipating frame in thermal and mechanical communication with the light source. The heat-dissipating frame may be constructed of a thermally conductive material, and may include a plurality of heat sink fins and bars. The heat-dissipating frame may present a substantially flat surface configured for flush mounting adjacent to an existing canopy fixture. | 2013-11-07 |
20130293107 | BALLAST INCLUDING A HEATER CIRCUIT - A ballast. The ballast includes a power converter, a transformer, a heater circuit, and a controller. The power converter is configured to receive an input power and convert the input power to a relatively high direct current (DC) voltage. The transformer has a center-tapped primary winding coupled to the power converter and a secondary winding coupled to a lamp. The heater circuit is separate from the transformer and is configured to provide a current to an electrode of the lamp to heat the electrode. The controller is configured to control the heater circuit for providing the current to the electrode. | 2013-11-07 |
20130293108 | CONSTANT CURRENT PULSE-WIDTH MODULATION LIGHTING SYSTEM AND ASSOCIATED METHODS - A lighting system comprising a constant current power source one or more sets of light emitting elements, and associated circuitry. The light emitting elements may be light emitting diodes (LEDs) that have been selected to emit light having specific wavelengths corresponding to specific colors. The lighting system may selectively control the intensity of each set of LED by utilizing pulse-width modulation. The sets of LEDs may be serially connected and selectively operated independently of each other set of LEDs. | 2013-11-07 |
20130293109 | LED DRIVER IC, DRIVING METHOD THEREOF, AND LED EMITTING DEVICE USING THE LED DRIVER IC AND THE DRIVING METHOD - The present invention relates to an LED driver IC, a driving method of the LED driver IC, and an LED light emission device using the LED driver IC. The LED light emission device includes an LED string, a power switch supplying power to the LED string, a dimming switch controlling light emission duty of the LED string, and an LED driver IC controlling switching operation of the power switch and the dimming switch. The LED driver IC senses a difference between a control electrode voltage of the dimming switch and a sense voltage generated according to a current flowing to the dimming switch, and triggers the OCP operation according to a result of comparison between the sensed voltage and a predetermined OCP reference voltage. | 2013-11-07 |
20130293110 | BALLAST WITH MONITORING - A ballast. The ballast includes a lamp driver and a controller. The lamp driver is configured to power a gas discharge lamp, and the controller, which includes a non-volatile memory, is configured to control the lamp driver and to save one or more parameters related to operation of the gas discharge lamp in the non-volatile memory. | 2013-11-07 |
20130293111 | USAGE TIME CORRECTING ENGINE - A usage time correcting engine, and corresponding method, system, apparatus, and computer product are provided. Over a period of time that an LED lighting fixture is being used to provide light, a usage time correcting engine indirectly measures an internal temperature of a component of the fixture. The indirect measurement is based on a measured external temperature of the component and power output supplied to or provided by the component. The usage time correcting engine determines a multiplier as a function of the indirectly measured internal temperature. The usage time correcting engine multiplies the period of time by the multiplier to provide a corrected measurement of usage of the component. In some examples, the usage time correcting engine determines a remaining lifetime of the LED lighting fixture from the corrected measurement and then reports the remaining lifetime to a user by way of a log, flashing light or other notification/indication. | 2013-11-07 |
20130293112 | REMOTELY ADJUSTABLE SOLID-STATE LAMP - Disclosed herein is a remotely adjustable lighting system. The lighting system includes a luminaire including one or more solid-state light systems and a non-line-of-sight wireless transceiver. The output intensity of the solid-state light systems is adjustable. The non-line-of-sight transceiver in the luminaire can receive one or more non-line-of-sight wireless signals transmitted by a transceiver in a general purpose handheld computing device. Instructions and data including configuration and output intensity adjustments may be communicated between the general purpose handheld computing device and the luminaire via one or more non-line-of-sight wireless signals. | 2013-11-07 |
20130293113 | Self Calibrating, Adaptive Setpoint Daylighting - A method and means for creating a daylight harvesting controller with a self calibrating light sensor and an adaptive setpoint that maintains a user determined light level is disclosed herein. The system includes a light sensor for monitoring the ambient light level of a designated control zone and a means to receive and interpret light level adjustment commands created by a user or user surrogate. The system includes means to limit the setpoint to a maximum value, suspend daylighting activity when lights are being adjusted or are turned off, and to delay setpoint capture and the start or resumption of daylighting until an adjustment cycle is completed and the zone light sources have reached a nominally steady state. | 2013-11-07 |
20130293114 | SOLID STATE LIGHTING SYSTEMS AND ASSOCIATED METHODS OF OPERATION AND MANUFACTURE - A lighting system includes a solid state lighting device capable of generating mixed light and a controller. The solid state lighting device includes light sources for producing mixed light and a sensor configured to detect light from one of the light sources. The controller controls two or more of the light sources based on output from the sensor. The controller can communicate with the sensor to provide closed-loop control. | 2013-11-07 |
20130293115 | AUTOMATICALLY CONFIGURING OF A LIGHTING - The invention relates to automatically configuring of a lighting created by a lighting system, particularly to creating a lighting, which follows a person, with a networked lighting system. A basic idea of the invention is to adapt the learning based processing of activations of lamps and presence detectors received as input data to changes in a system for automatically configuring lighting with a variable adaptation rate in order to make the automatic lighting configuration more robust with regard to system changes. An embodiment of the invention relates to a system ( | 2013-11-07 |
20130293116 | OPTOELECTRONIC DEVICE, SYSTEM AND METHOD FOR OBTAINING AN AMBIENT LIGHT SPECTRUM AND MODIFYING AN EMITTED LIGHT - An optoelectronic device is provided having a plurality of light emitters arranged to be able to illuminate an area of an environment, a CMOS based miniaturized spectrometer arranged to obtain the light spectrum of environmental light within the area of the environment, and control devices, means or methods for modifying the emission of the light emitters, based on the obtained light spectrum. Also, a system for modifying the environmental light of an area is provided, the system having at least two optoelectronic devices, and devices, means or methods to transmit information between them. Furthermore, a method for modifying the environmental light of an area, a computer program product for performing said method, a reflective device for determining the calibration of an optoelectronic device, and a method thereof. | 2013-11-07 |
20130293117 | OUTDOOR LIGHTING FIXTURES CONTROL SYSTEMS AND METHODS - One embodiment of the invention relates to a system for operating a plurality of streetlights in response to motion from a vehicle. The system includes a sensor associated with at least one of the streetlights and configured to detect the presence of a moving vehicle and to provide a signal representative of the moving vehicle. The system further includes a radio frequency transceiver associated with each of the streetlights. The system yet further includes processing electronics configured to receive the signal representative of the moving vehicle from the sensor and to cause the radio frequency transceiver to transmit a command to one or more of the plurality of the streetlights to change lighting states along a pathway for the vehicle. | 2013-11-07 |
20130293118 | LIGHTING DEVICE AND LIGHTING SYSTEM - This lighting device comprises a light-emitting unit, a reception unit for receiving information from an adjacent lighting device, and a control unit for letting the light-emitting unit emit light according to the information received by the reception unit. | 2013-11-07 |
20130293119 | UNIVERSAL BALLAST - A universal ballast. The ballast includes a power converter, a transformer, a current sensor, and a controller. The power converter is configured to receive an input signal and convert the input signal to a direct current (DC) voltage having a first magnitude. The transformer has a center-tapped primary winding coupled to the power converter and a secondary winding coupled to a lamp. The current sensor is configured to sense a current in the secondary winding. And the controller is configured to receive an indication of the detected current from the current sensor and to determine correct operating parameters for the lamp. | 2013-11-07 |
20130293120 | LUMINENCE CONTROL OF GAS-DISCHARGE LAMPS - A ballast. The ballast includes a lamp driver and a controller. The lamp driver is configured to power a gas discharge lamp, and the controller includes a non-volatile memory configured to save one or more parameters related to operation of the gas discharge lamp in the non-volatile memory. The controller is further configured to control the lamp driver based on the one or more parameters. | 2013-11-07 |
20130293121 | DISPLAY CONTROLLER AND DISPLAY SYSTEM - A display controller controls the display luminance of a display device in dependence on the ambient light level. It also controls the amount of the dynamic range compression of the input display data, the amount of compression depending on the ambient light level. The dynamic range of the display data is compressed to match the dynamic range of the display device. The dynamic range of the display device depends on the ambient light level and the display luminance. | 2013-11-07 |
20130293122 | Reduced Flicker AC LED Lamp With Separately Shortable Sections Of An LED String - An LED lamp with an integrated circuit, a rectifier, and a string of series-connected LEDs rectifies an incoming AC signal. The integrated circuit includes power switches that can separately and selectably short out a corresponding one of several groups of LEDs in an LED string across which the rectified AC signal is present. As the voltage across the string increases, the integrated circuit controls the power switches to increase the number of LEDs through which current flows, whereas as the voltage across the string decreases the integrated circuit controls the power switches to decrease the number of LEDs through which current flows. The flow of LED string current is broken to reduce flicker. Alternatively, a valley fill capacitor peaks LED current during the valleys of the incoming AC signal to reduce flicker. LED current is regulated to provide superior efficiency, reliability, power-factor correction, and lamp over-voltage, -current, and -temperature protection. | 2013-11-07 |
20130293123 | GAUSSIAN SURFACE LENS QUANTUM PHOTON CONVERTER AND METHODS OF CONTROLLING LED COLOUR AND INTENSITY - This invention is a photon-interactive Gaussian surface lens method means that converts incident photons from a single or a plurality of wide band gap semiconductor class light emitting diode dies, into a secondary emission of photons emanating from a composite photon transparent colloidal stationary suspension of quantum dots, high efficiency phosphors, a combination of quantum dots and high efficiency phosphors and nano-particles of metal, silicon or similar semiconductors from the IIIB and IVB Group of the Periodic Table and any nano-material and/or micro/nano spheres that responds to Rayleigh Scattering and/or Mie Scattering; and a plurality of quantum dots in communication with said nano-particles in said suspension. The patent teaches that utilizing this method means results in improved narrow pass-band of red, green, and blue photon efficiency over phosphor based conversion. Utilizing said invention's methodology, said white resultant colour temperature is stabilized against internal semiconductor thermal fluctuations or ambient thermal variations. | 2013-11-07 |
20130293124 | SYSTEM FOR GENERATING LIGHT HAVING A CONSTANT COLOR TEMPERATURE AND ASSOCIATED METHODS - A lighting system and method for maintaining constant color output. The lighting system may include a first light-emitting diode (LED) configured to emit a first color, a second LED configured to emit a second color, control circuitry configured to control the operation of the first LED, and a temperature sensor positioned in thermal communication with at least one of the first LED and the second LED and in electrical communication with the control circuitry. The luminous intensity of the second LED may vary with temperature. The control circuitry may be configured to control the luminous intensity of the first LED responsive to a temperature indication from the temperature sensor. | 2013-11-07 |
20130293125 | Control Circuit For LED Backlighting - The invention describes a control circuit for backlighting having a plurality of control channels in each of which a light emitting diode string is controlled. The control circuit has a balancing device for balancing the currents in the individual control channels, and a control unit that is connected to a power factor correction circuit (PFC), to a bridge circuit and to a primary-side current measuring device. Each control channel has a switch for switching the light emitting diode string that is connected to a separate dimming signal. The control circuit furthermore has at least one smoothing capacitor and one current limiter that limits the charging current for the smoothing capacitor. The control unit is additionally designed such that if all the dimming signals are logical ON, the output voltage of the PFC is regulated with the aid of the current measuring device such that the current on the primary side corresponds to a pre-determined setpoint value and that as soon as at least one dimming signal is logical OFF, the output voltage of the PFC is kept constant at its last value (FIG. | 2013-11-07 |
20130293126 | DRIVER FOR TWO OR MORE PARALLEL LED LIGHT STRINGS - An LED driver for a plurality of LED light strings has a common node and a plurality of driver output nodes for connection of a plurality of LED light strings. A master power circuit is provided and has a master output connected with the common node. A plurality of slave power circuits are provided which each have a slave output connected with a respective one of the driver output nodes. | 2013-11-07 |
20130293127 | METHOD OF FORMING AN LED CONTROL CIRCUIT AND STRUCTURE THEREFOR - In one embodiment, an LED control circuit is configured to form an LED current for operating an LED light source and configured to form a bias current for a dummy load. The LED control circuit is configured to terminate the bias current responsively to detecting the LED current. | 2013-11-07 |
20130293128 | LIGHT FIXTURE - A light fixture comprising a light emitting device, a first electrical path suitable for connecting the light emitting device to a first power circuit, a second electrical path suitable for connecting the light emitting device to a second power circuit and a connector element for acquiring a selected one of a first configuration and a second configuration. Wherein in the first configuration, the light emitting device is in electrical communication with the first electrical path for being powered by the first power circuit and in the second configuration, the light emitting device is in electrical communication with the second electrical path for being powered by the second power circuit. | 2013-11-07 |
20130293129 | Circuit arrangement for operating at least a first and a second cascade of LEDs - A circuit arrangement for operating at least a first and a second cascade of LEDs is provided. The LED cascades have a different number of LEDs, which are operated alternately in a manner adapted to the instantaneous value of the rectified AC supply voltage by a suitable drive logic. The cascades are assigned to LED units, wherein each unit includes a driving device for driving the respective cascade. The units are coupled in series between the two input terminals, wherein the input terminals are formed by the output of a rectifier. A linear regulator is provided in series with the cascades, said linear regulator being driven via a voltage divider coupled between the two input terminals. An auxiliary voltage supply is provided for operating the respective driving devices, wherein the auxiliary voltage is generated from the voltage dropped across the linear regulator during the operation of the circuit arrangement. | 2013-11-07 |
20130293130 | High Efficiency 3-Way Halogen Lamp With Diode and Sidac Driven Single Filament Lamp - A 3-way halogen lamp selectively generates different first, second, and third light levels. A first terminal on the lamp base receives a first input voltage waveform when the first terminal is connected to a power source. A second terminal on the lamp base receives a second input voltage waveform when the second terminal is connected to the power source. A rectifier circuit is connected to the first terminal for receiving the first input voltage waveform and rectifying the first input voltage waveform to generate a first load voltage waveform. A switching circuit is connected to the second terminal for receiving the second input voltage waveform and phase clipping the second input voltage waveform to generate a second load voltage waveform. A single filament is connected to the rectifier circuit and the switching circuit, and is housed in a halogen capsule attached to the lamp base. | 2013-11-07 |
20130293131 | Solid State Semiconductor LED Replacement for Fluorescent Lamps - Various apparatuses and methods for replacing a fluorescent lamp with a non-fluorescent tube are disclosed herein. For example, some embodiments provide an apparatus for replacing a fluorescent lamp, including an electrical connector adapted to electrically connect to a fluorescent lamp fixture, a DC rectifier connected to the electrical connector, a voltage converter connected to the DC rectifier, and a non-fluorescent light source connected to the voltage converter. The DC rectifier, voltage converter and non-fluorescent light source are substantially contained within a housing that is physically configured to replace the fluorescent lamp in a fluorescent lamp fixture. | 2013-11-07 |
20130293132 | INTERFERENCE-FREE LIGHT-EMITTING MEANS CONTROL - An operating device ( | 2013-11-07 |
20130293133 | LIGHT EMITTING DIODE DRIVER APPARATUS - A light emitting diode (LED) driver apparatus includes a pulse-width modulation (PWM) signal generator configured to generate a PWM signal according to a reference voltage. The LED driver apparatus also includes a DC-DC converter configured to provide a driving voltage to LED arrays based on the generated PWM signal, and a LED driver configured to drive the LED arrays through output ports. The LED apparatus includes a detector configured to detect whether the LED arrays are operatively connected to the corresponding output ports. | 2013-11-07 |
20130293134 | LED LIGHTING DEVICE AND LED LUMINAIRE - An LED lighting device includes a plurality of kinds of LEDs | 2013-11-07 |
20130293135 | DRIVER CIRCUITS FOR DIMMABLE SOLID STATE LIGHTING APPARATUS - A voltage regulator for generating a housekeeping voltage in a high voltage power supply circuit includes a charging switch coupled to a high voltage node and to a storage device at an output node, and a control voltage regulation circuit coupled to the charging switch and configured to cause the charging switch to generate a current pulse for charging the storage device. | 2013-11-07 |
20130293136 | DRIVING METHOD FOR BACKLIGHT UNIT OF LIQUID CRYSTAL DISPLAY AND SYSTEM THEREOF - A method for driving the backlight unit of the liquid crystal display includes: comparing the strength of a soft start signal with a predetermined signal through a comparator circuit, and generating a first comparison signal or a second comparison signal according to the comparison result; outputting a first frequency from a frequency modulation circuit according to the first comparison signal; and increasing the rising rate of the output voltage of a boost converter according to the first frequency. Therefore, the rising rate of the output voltage is increased, thereby solving the screen-flickering problem. | 2013-11-07 |
20130293137 | TWO-WIRE DIMMER SWITCH FOR CONTROLLING LOW-POWER LOADS - A two-wire load control device such as a dimmer switch for controlling the amount of power delivered from an AC power source to an electrical load such as a high-efficiency lighting load may be provided. The load control device may include a bidirectional semiconductor switch coupled between the source and the load and a controller operable to control the bidirectional semiconductor switch. The load control device may also include a front accessible trimming actuator to adjust a low end intensity setting of the load control device. The trimming actuator may be coupled to the controller such that the controller may control the bidirectional semiconductor switch appropriately. Additionally, the trimming actuator may include indicia to help a user readily identify the proper low end intensity setting. | 2013-11-07 |
20130293138 | CONTROL CIRCUIT HAVING SIGNAL PROCESSING CIRCUIT AND METHOD FOR DRIVING THE CONTROL CIRCUIT - Disclosed is a signal processing circuit including an analog-to-digital converter, an arithmetic processing unit electrically connected to the analog-to-digital converter, and a first register electrically connected to the arithmetic processing unit. The extremely small off-state current of a transistor included in the first register allows the first register to retain a signal output from the arithmetic processing unit. This structure enables stationary driving of a load even if the signal processing circuit is turned off, which contributes to a reduction in power consumption of an electronic device having the load. | 2013-11-07 |
20130293139 | Dimmable Driver and Interface - A dimmable driver is disclosed with multiple channels, universal dimming over multiple input voltage ranges and a web-based user interface for dimming settings. | 2013-11-07 |
20130293140 | CURRENT SOURCE AND METHOD FOR PROVIDING A DRIVING CURRENT - In one embodiment a current source comprises an input (In) for receiving a brightness signal (Sb), and an output (Out) for providing a driving current (Id) for at least one light-emitting diode, LED, wherein the current source (CS) is configured to extract a first and a second current value (idac_high, idac_low) from the brightness signal (Sb), to derive a duty cycle value (Smod) from the brightness signal (Sb) and to modulate the driving current (Id) as a function of the duty cycle value (Smod) in a pulse-width modulation comprising the first and the second current values (idac_high, idac_low). Furthermore, a method for providing a current is described. | 2013-11-07 |
20130293141 | PORTABLE DEVICE AND METHOD FOR PRODUCT LIGHTING CONTROL, PRODUCT DISPLAY LIGHTING METHOD AND SYSTEM, METHOD FOR CONTROLLING PRODUCT LIGHTING, AND -METHOD FOR SETTING PRODUCT DISPLAY LOCATION LIGHTING - A portable device and method for the setting and control of lighting of product display locations of a product display apparatus is provided. Product lighting settings are selected or predetermined for a product or products. At least one image representative of a product and a product display apparatus planogram are displayed on a display of the portable device. The planogram is comprised of at least one product display location image associated with a product display location of the product display apparatus. Each product display location has at least one light source. The portable device facilitates association of a product with a product display location via transfer of the product image onto a product display location of the planogram, thereby linking product lighting settings to the product display location, causing the product lighting to be adjusted to conform to the product lighting settings. Furthermore, a product display lighting method and system, and a method for controlling product lighting are provided. | 2013-11-07 |
20130293142 | Control device - The disclosed embodiments relate to functional and decorative lighting. At least one control device ( | 2013-11-07 |
20130293143 | INTELLIGENT POWER SUPPLY SYSTEM - An intelligent power supply system includes a transformer and at least one gate unit. The transformer is configured to electrically connect to a higher voltage power source and to convert the higher voltage to a first reduced voltage. The transformer provides the first reduced voltage via a first output. The gate unit is operable to receive the first output and provide a second output at a second reduced voltage. At least one low voltage electrical device is electrically connectable to the second output. The transformer may electrically connect to a higher voltage power source at a first location, with the gate unit disposed at a second location remote from the first location, whereby the higher voltage power source is not at or near the second location, which may comprise a display location with various electrically powered display devices that are powered by the reduced voltage provided by the gate unit. | 2013-11-07 |
20130293144 | LIGHT SOURCE LIGHTING DEVICE AND LUMINAIRE - A light source lighting device includes a first light source | 2013-11-07 |
20130293145 | BONDING AN OPTICAL ELEMENT TO A LIGHT EMITTING DEVICE - A device is provided with at least one light emitting device (LED) die mounted on a submount with an optical element subsequently thermally bonded to the LED die. The LED die is electrically coupled to the submount through contact bumps that have a higher temperature melting point than is used to thermally bond the optical element to the LED die. In one implementation, a single optical element is bonded to a plurality of LED dice that are mounted to the submount and the submount and the optical element have approximately the same coefficients of thermal expansion. Alternatively, a number of optical elements may be used. The optical element or LED die may be covered with a coating of wavelength converting material. In one implementation, the device is tested to determine the wavelengths produced and additional layers of the wavelength converting material are added until the desired wavelengths are produced. | 2013-11-07 |
20130293146 | ILLUMINATION DEVICE HAVING DETERRENT FUNCTION - The illumination device contains a number of lamps and deterrent modules. Each deterrent module contains a reception unit for receiving a wired or wireless signal, and is configured in a lamp. Each lamp has a lighting member electrically connected to the deterrent module. When the deterrent module are activated, based on their respective configured times and modes, the deterrent modules control the lighting members of the lamps to turn on or off or to adjust its brightness or to remain on or off for a period of time, so as to create an impression that there are people moving and living in the household. | 2013-11-07 |
20130293147 | ALGORITHM FOR COLOR CORRECTED ANALOG DIMMING IN MULTI-COLOR LED SYSTEM - A lighting system having at least three light sources receives an input relating to color coordinates of a target point representing a desired color characteristic for a combined output from the light sources. The system defines first-pass endpoints corresponding to color characteristics of the light sources when operated at respective maximum intensities. The system determines first-pass amounts of respective maximum intensity contributions from the light sources to achieve light of the target point. When dimming the light to an intensity proportion, the system determines first-pass driver settings from the first-pass amounts and the intensity proportion. The system defines second-pass endpoints corresponding to color characteristics of the light sources when operated at the determined first-pass driver settings. The system determines, from the second-pass endpoints, second-pass amounts of respective reduced intensity contributions from the light sources; and the system determines second-pass driver settings for the second-pass amounts. | 2013-11-07 |
20130293148 | Tunable Lighting Apparatus - A luminaire provides light having a distribution pattern with high center beam candle power and a gradual gradient across a wide area. The luminaire includes a light source having first and second sets of light emitting elements selected and positioned to achieve the desired light distribution pattern. The luminaire further includes an optic configured to refract light emitted from the light source to achieve the desired light distribution pattern. | 2013-11-07 |
20130293149 | Intelligent lighting device with multiple luminaires, in particular free-standing luminaires or desk-mounted luminaires and a method for operating a lighting device of this type - The invention relates to an intelligent lighting device with multiple luminaires, which are at least partially coupled to each other with a wireless communication device. For this purpose, the luminaires preferably have communication modules with transmitter/receiver devices, via which the luminaires can communicate with each other. It is thereby provided that in accordance with the current operating mode of one of the luminaires at least one of the other luminaires can adopt a different predefined operating mode. Said luminaire can, for example upon the switching on of a luminaire or when one of the luminaires detects a person by means of a sensor device in the area of the luminaire, go into a working level with a predefined light intensity and the other luminaires located in the vicinity of said one luminaire go into a background illumination, i.e. in an illumination with a lower illumination level (background level). | 2013-11-07 |
20130293150 | ADAPTIVE ANTI-GLARE LIGHT SYSTEM AND ASSOCIATED METHODS - An adaptive anti-glare light system including a sensor, a color selection engine, a controller, and a plurality of light sources each configured to emit a source light. The sensor transmits a source color signal designating a reflected light characterized by a detected color and a discomfort glare rating. The color selection engine determines a dominant wavelength of the detected color, and a combination of the light sources that the controller may operate to emit a combined wavelength that matches the dominant wavelength of the detected color. A method of adapting light as a countermeasure to glare comprises receiving the detected color, determining a subset of the plurality of light sources that may be combined to form an adapted light that matches the detected color, and operating the light sources with a white light to emit the adapted light at or above a threshold discomfort glare level. | 2013-11-07 |
20130293151 | DIMMABLE MULTICHANNEL DRIVER FOR SOLID STATE LIGHT SOURCES - Systems and methods for driving solid state light sources are provided. A first drive circuit is configured to generate a drive current to cause a first solid state light source load and a second solid state light source load to illuminate. A feedback and control circuit is configured to receive feedback from the first solid state light source load and to control the drive current through the first solid state light source load based on the feedback. A second drive circuit is configured to control the drive current through the second solid state light source load. A master controller is configured to provide a first input to the feedback and control circuit to control the drive current through the first solid state light source load and a second input to the second drive circuit to control the drive current through the second solid state light source load. | 2013-11-07 |
20130293152 | LIGHT SYSTEM AND METHOD - The present invention relates to a method ( | 2013-11-07 |
20130293153 | ASSRESS INITIALIZATION OF LIGHTING DEVICE UNITS - In a lighting device, a primary control unit ( | 2013-11-07 |
20130293154 | LIGHT EMITTING ELEMENT DRIVING CIRCUITS WITH DIMMING FUNCTION AND CONTROL METHODS THEREOF - A controller used in a light emitting element driving circuit, wherein the light emitting element driving circuit has a power converter configured to provide an output current for the light emitting element. The controller has a dimming processing unit and a current control unit. The dimming processing unit is configured to receive a first dimming signal with a first duty cycle and a second dimming signal with a second duty cycle, and to generate a second dimming processing signal relative to the product of the first duty cycle and the second duty cycle. The current control unit is coupled between the dimming processing unit and the power converter, and is configured to generate a control signal for the power converter based on the second dimming processing signal and a feedback signal indicating the output current. | 2013-11-07 |
20130293155 | POWER LINE NON-LIGHTING APPLICATION CONTROLLER SYSTEM AND METHOD - In some examples, non-lighting application controller technology includes methods and apparatuses. In other examples, the technology includes a non-lighting application controller system. The system includes one or more light fixtures. Each light fixture of the one or more light fixtures has one or more non-lighting elements, such as a speaker, alarm, motor, and camera. Each light fixture of the one or more light fixtures is electrically coupled via a power line. Each light fixture of the one or more light fixtures includes a conversion module configured to convert instructions between power line communication and non-lighting control communication, a communication module configured to communicate the power line communication over the power line, and a non-lighting element controller configured to control the one or more non-lighting elements in a respective light fixture based on the instructions. | 2013-11-07 |
20130293156 | Lighting System for Growing Plants - A lighting system network includes first and second lighting systems in communication with each other. The first lighting system includes an LED controller, and an LED array which includes first and second LED sub-arrays, wherein the LED array is operatively coupled to the LED controller. The first and second wavelength spectrums provided by the first and second LED sub-arrays, respectively, are adjustable in response to adjusting an input signal provided to the antenna. | 2013-11-07 |
20130293157 | AUTOMATIC LIGHT FIXTURE ADDRESS SYSTEM AND METHOD - In some examples, automatic light fixture address technology includes methods and apparatuses. In other examples, the method includes receiving a disable forward control command to disable data forwarding through the light fixture; receiving an enable forward control command to enable data forwarding through the light fixture; transmitting address data for the light fixture based on the enable forward control command; and forwarding one or more additional enable forward control commands based on the enable forward control command. | 2013-11-07 |
20130293158 | ADAPTIVE LIGHT SYSTEM AND ASSOCIATED METHODS - An adaptive light system including a color matching engine, a controller, and a plurality of light sources each configured to emit a source light. The color matching engine determines a dominant wavelength of a selected color, and a combination of the light sources that the controller may operate to emit a combined wavelength that approximately matches the dominant wavelength of the selected color. A color capture device transmits a source color signal designating the selected color. A method of adapting light comprises receiving a selected color, converting a value representing a dominant wavelength of the selected color, determining a combination of and percentages of colors emitted by the plurality of light sources that may be combined to form an adapted light that matches the selected color, and operating the light sources along with a white light to emit the adapted light. | 2013-11-07 |
20130293159 | ELECTRICAL SWITCH - An electrical switch, particularly for an electrical appliance having an electric motor. The switch has two electrical supply connections for the supply voltage, particularly for a rechargeable battery, and two electrical motor connections for the supply of voltage to the electric motor. Furthermore, the switch has a control electronics unit, such as a microprocessor, a microcontroller or the like, for executing control processes in the electrical appliance, wherein particularly the control electronics unit operates by means of a piece of software. The switch can also be connected with a data line for communication between the control electronics unit and an external device, wherein particularly one of the electrical motor connections is used as an interface for the data line. Furthermore, the invention relates to an appropriate method for communication by an electrical switch with an external device. | 2013-11-07 |
20130293160 | MOTOR DRIVE HAVING INTEGRAL AUTOMATION CONTROLLER - A system, in one embodiment, includes a drive having a housing, a stator disposed in the housing, a rotor disposed in the stator, and a programmable logic controller disposed inside, mounted on, or in general proximity to the housing. In another embodiment, a system includes a network, a first motor having a first integral programmable logic controller coupled to the network, and a second motor having a second integral programmable logic controller coupled to the network. In a further embodiment, a system includes a rotary machine having a rotor and a stator disposed concentric with one another, a microprocessor, memory coupled to the microprocessor, a power supply coupled to the microprocessor and the memory, and a machine sensor coupled to the microprocessor. | 2013-11-07 |
20130293161 | DIGITAL CONTROL FOR A MICROELECTROMECHANICAL ELEMENT - A control circuit for a microelectromechanical element includes: a waveform generator, which is designed to generate a digital trigger signal for the microelectromechanical element, a modulator, which is designed to oversample the digital trigger signal, to subject the signal to a noise shaping, and to output the oversampled and noise-shaped digital trigger signal; and a digital driver device, which is designed to drive the microelectromechanical element using the oversampled and noise-shaped digital trigger signal. | 2013-11-07 |
20130293162 | CONTROL OF HEAVY MACHINES - The present invention relates to a system for controlling rotational speed on a rotating process machine, which for example is a turbine or a propeller, where the rotating process machine is connected to at least one motor and arranged to rotate with a given rotational speed given by the motor, the motor is connected to a control system and the rotational speed of the motor is arranged to be controlled by a control system. The rotating process machine comprises a load control arranged to be adaptable, the control system is connected to the rotating process machine. With the invention, one achieves soft transitions between several selectable rotational speeds and lower energy consumption by step by step adjusting the size and the rotational speed of the motor to varying energy requirement. | 2013-11-07 |
20130293163 | Combination Charger and Motive Power Device - A combined battery charger and motor driver circuit assembly includes a rechargeable battery, a traction motor configured to accept a pulse-width-modulated (PWM) drive, a PNP transistor array, a charging source of chopped and rectified DC, and a control circuit configured to apply a discrete PWM drive signal to the gate of each transistor in the PNP transistor array. | 2013-11-07 |
20130293164 | FLUID APPARATUS - There is provided a fluid apparatus that includes a fan configured to suction or discharge a gas; a motor configured to drive the fan; a battery configured to supply electric power to the motor; a current limiting device provided on an electrical conduction path from the battery to the motor; a first drive device configured to, when receiving a drive command from outside, flow a first drive current to the motor through the current limiting device, to thereby cause normal rotation of the motor; an operation switch to be operated by a user; and a second drive device configured to, while the operation switch is being operated by the user, flow a second drive current, which is larger than the first drive current, from the battery to the motor, to thereby cause high speed rotation of the motor, | 2013-11-07 |
20130293165 | SYSTEM FOR COUPLING AT LEAST ONE DC SOURCE TO A CONTROLLABLE ENERGY STORE AND ASSOCIATED OPERATING METHOD - The invention relates to a system for coupling at least one DC source ( | 2013-11-07 |
20130293166 | HVAC ADJUSTMENT MODULE - A heating, ventilation and air conditioning (HVAC) system is provided. The system includes an integrated motor including a plurality of operating speeds and an input for selecting one of the plurality of operating speeds. The system further includes a system controller and an adjustment module. The adjustment module includes a plurality of operating modes each associated with one of the plurality of operating speeds and the ability to manually vary associations between the plurality of operating modes and the plurality of operating speeds. The adjustment module selects one of the plurality of operating modes on the basis of control commands received from the system controller and setting programmed or manually entered into and stored in the adjustment module and controls the integrated motor according to the operating speed associated with the selected operating mode. | 2013-11-07 |
20130293167 | METHOD AND SYSTEM FOR CONTROLLING ELECTRIC MOTORS OF A COMMON ASSEMBLY - A first motor controller generates commanded speeds of a first rotor of a first electric motor for a first time interval and a second time interval. A first speed monitor detects observed speeds of the first rotor for the time intervals. A first ratio is determined based on a relationship between respective commanded speeds and corresponding observed speeds for the first time interval and the second time interval. A first data processor increments a persistence counter for the first motor if the first ratio increases or changes during the time intervals. A first motor deceleration is estimated if the persistence counter exceeds a stall limit count. A target rotor speed of a second motor is adjusted based on the estimated first motor rate of change to track the first motor rate of change (or first rotor speed) if the persistence counter exceeds the stall limit count. | 2013-11-07 |
20130293168 | SUPPLY LINE, SUPPLY SYSTEM AND METHOD FOR OPERATING AN ELECTRIC DRIVE - An electrical supply line for operating a first electric motor includes a first converter for supplying electric energy to the first electric motor in dependence of a first control variable, a connected network connecting the first converter to a DC voltage source, an oscillation suppression controller for generating first correction information, and a first correction module for generating the first control variable by taking into consideration an operating parameter of the first electric motor and by taking into consideration the first correction information. An electrical supply system includes two of the supply lines. A corresponding method for operating an electric drive is also described. | 2013-11-07 |
20130293169 | Polyphase Energy Converter for Outputting Electrical Energy - An energy converter includes a plurality of converter sections each comprising at least one first converter cell module and one second converter cell module. The first and second converter cell modules each contain at least one converter cell and one coupling unit. The at least one converter cell of the converter cell modules is connected between a first input and a second input of the coupling unit, and the coupling unit is designed to connect the at least one converter cell between a first terminal of the converter cell module and a second terminal of the converter cell module in response to a first control signal, and to connect the first terminal to the second terminal in response to a second control signal. The disclosure also relates to a motor vehicle having an energy converter such as this, and to a method for supplying an electrical drive system. | 2013-11-07 |
20130293170 | SWITCHING CONTROL APPARATUS AND METHOD OF TWO-PHASE SWITCHED RELUCTANCE MOTOR - Disclosed herein are a switching control apparatus and method of a two-phase switched reluctance motor. The witching control apparatus includes: a rectifying unit rectifying commercial power; and an active converter including a pair of common switches commonly connected to two phase windings of the two-phase SRM, a pair of first phase switches bridge-connected to the pair of common switches at any one of the two phase windings, a pair of second phase switches bridged-connected to the pair of common switches at the other of the two phase windings and connected in series with each other, and a plurality of current feedback diodes each connected to the switches and operated in operation modes 1 to 3 to drive the two-phase SMR. | 2013-11-07 |