25th week of 2013 patent applcation highlights part 35 |
Patent application number | Title | Published |
20130155665 | Portable Light - A portable light is disclosed including a housing having an upper end, a lower end and a cavity for receiving a power source therein. The housing further includes at the upper end a channel having channel walls and a plurality of LED lights in the channel. The channel walls have a height greater than the height of the LED lights. | 2013-06-20 |
20130155666 | Flashlight Zooming Structure - A flashlight zooming structure includes a main body and a zooming assembly screwed on one end of a neck of the main body. In the zooming assembly, a transparent lamp cup centrally formed with a convex lens is received in a cup seat, the cup seat is screwed into a cap, and the lugs on the outer periphery of the cup seat are received in the corresponding peripheral notches of a receiving section extending from one end of a middle annular element. To illuminate a distant or nearby target, the zooming assembly mounted around the neck of the main body is rotated in the desired direction so that the light emitted by a lighting unit at one end of the neck of the main body is projected outward through the transparent lamp cup in the zooming assembly as a convergent or divergent light beam. | 2013-06-20 |
20130155667 | Flashlight Zooming Structure - A flashlight zooming structure includes a main body and a zooming assembly screwed on one end of a neck of the main body and configured as follows. A transparent lamp cup is received in a cup seat. The cup seat has outwardly extending lugs respectively received in channels formed on the inner periphery of the cap. A ring has oblique notches respectively connected with the lugs of the cup seat. A middle annular element has projections respectively fitted in recesses of the ring and has hooks respectively engaged with engaging grooves of the cap. To illuminate a distant or nearby target, the zooming assembly is rotated in the desired direction so that the light emitted by a lighting unit at one end of the neck of the main body is projected outward through the transparent lamp cup as a convergent or divergent light beam. | 2013-06-20 |
20130155668 | ILLUMINATED DEVICE FOR ELECTRICIAN SNAKE OR FISHING SYSTEM - An illumination device having a first housing member with a threaded stem and a second housing member with a threaded bore wherein the threaded stem and the threaded bore are positioned at opposite ends of the device when the housing members are coupled together. An electrical power source, which may take the form of a battery, is disposed within the device and a selectively activated light source, which may take the form of an LED, is operably coupled with the power source. In some embodiments, the light source is selectively activated and deactivated by relative rotation of the first and second housing members. | 2013-06-20 |
20130155669 | Separate Drive Circuit Structure for LED Lamp Tube - A separate drive circuit structure for light emitting diode (LED) lamp tube, wherein the LED lamp tube comprises a lampshade and at least an LED lamp strap installed inside the lampshade, and the left and right sides of the LED lamp strap in the interior of the lampshade are respectively installed with a separate drive circuit structure. The separate drive circuit structures disposed at the two ends are connected with a transmission line such that the separate drive circuit structures disposed at the two ends together constitute a drive circuit capable of driving the LED lamp strap to illuminate. Moreover, the separate drive circuit structure can effectively reduce the tube diameter of the lampshade. | 2013-06-20 |
20130155670 | LENTICULAR LED LIGHT SOURCE REPLACEMENT FOR FLUORESCENT IN TROFFER - A light source replacement for a fluorescent troffer light fixture utilizing light emitting diode and lens combination with the existing diffuser to produce lower contrast and evenly distributed illumination. | 2013-06-20 |
20130155671 | ARRANGEMENT FOR SPOT ILLUMINATION - There is provided an arrangement for spot illumination ( | 2013-06-20 |
20130155672 | REMOTE CONTROL TRACK LIGHT FIXTURE - A track head unit includes a lighting device, a first sensor, a second sensor, one or more motors, and a controller. The first sensor is configured to receive transmissions from a portable remote control device. The second sensor is configured to receive transmissions associated with a target object. The one or more motors are mechanically coupled to the lighting device and is configured to position the lighting device along a first direction and a second direction. The controller is coupled to the lighting device, the first sensor, the second sensor, and the one or more motors. The controller is configured to receive a control signal from the remote control device via the first sensor, responsively transmit a locator signal to a locator that is disposed at a target object, receive a response signal via the second sensor from the remote object in response to the transmitting, and based upon the response signal, actuate the motors to aim the lighting device at the target object. | 2013-06-20 |
20130155673 | LED LIGHTING APPARATUS WITH FLEXIBLE LIGHT MODULES - The present disclosure involves a street light. The street light includes a base, a lamp post coupled to the base, and a lamp head coupled to the lamp post. The lamp head includes a housing and a plurality of LED light modules disposed within the housing. The LED light modules are separate and independent from each other. Each LED light module includes an array of LED that serve as light sources for the lamp. Each LED light module also includes a heat sink that is thermally coupled to the LED. The heat sink is operable to dissipate heat generated by the LED during operation. Each LED light module also includes a thermally conductive cover having a plurality of openings. Each LED is aligned with and disposed within a respective one of the openings. | 2013-06-20 |
20130155674 | LIGHT-EMITTING DEVICE LAMP - A light-emitting device lamp includes a light-emission unit including one or more light-emitting elements; a power circuit unit supplying a power to the light-emission unit; a heat radiation unit having the light-emission unit mounted therein and radiating heat that is generated by the light-emission unit; and a housing contacting and surrounding a portion of an outer circumference of the heat radiation unit and transmitting heat generated by the power circuit unit to the heat radiation unit. | 2013-06-20 |
20130155675 | Lighting Fixture - A light emitting diode (LED) lighting arrangement for a lighting fixture includes: a lighting strip comprising a plurality of light emitting diodes (LEDs) arranged along a length of the lighting strip; a first multi-faceted side wall reflector extending from a first side of the lighting strip at an angle such that the first multi-faceted side wall reflector extends along an entire length of the lighting strip and away from a bottom portion of a light emitting portion of each of the light emitting diodes (LEDs); and a second multi-faceted side wall reflector extending from a second, opposite side of the lighting strip at an angle such that the second multi-faceted side wall reflector extends along an entire length of the lighting strip away from the bottom portion of the light emitting portion of each of the light emitting diodes (LEDs). The first and second multi-faceted side wall reflectors cause light produced by the plurality of light emitting diodes (LEDs) to be amplified and formed into a uniform beam. | 2013-06-20 |
20130155676 | LIGHT UNIT AND ILLUMINATION SYSTEM USING THE SAME - Disclosed are a light unit and an illumination system using the same. The light unit includes a top plate, a bottom plate, and at least one light source module located between the top plate and the bottom plate. The bottom plate includes a specular-reflection region and a diffuse-reflection region. The diffuse-reflection region includes a first reflective pattern that reflects incident light via Lambertian distribution and a second reflective pattern that reflects incident light via Gaussian distribution. | 2013-06-20 |
20130155677 | LIGHTING MODULES WITH OPTIMIZED EMISSION - Lighting modules are provided having a reflector which includes a central part and two tilted wings with respect to said central part, and at least two light sources, or light source assemblies, arranged about the ends of said central part. Lighting apparatuses which include such lighting modules are also provided. | 2013-06-20 |
20130155678 | LED Device for Wide Beam Generation and Method of Making the Same - A predetermined illuminated surface pattern is generated from a predetermined energy distribution pattern of an LED light source within an LED package having a light transmitting dome. An estimated optical transfer function of a lens shape of an optic is defined by the shape of an exterior and inner surface which envelopes at least in part the light transmitting dome of the LED package. An energy distribution pattern is obtained by combination of the estimated optical transfer function and the predetermined energy distribution pattern of the light source. A projection of the energy distribution pattern onto the illuminated surface is determined. The projection is compared to the predetermined illuminated surface pattern. The estimated optical transfer function is illuminated surface pattern. | 2013-06-20 |
20130155679 | HANDRAIL SYSTEM - A handrail system (10) is disclosed having an elongated handrail rod (11) coupled to handrail mounts (12) that are adapted to be mounted to a support surface. The handrail system also includes accessory devices (13) coupled to the elongated handrail. The elongated handrail rod includes a casing (16) and an internal frame (17) to form a channel (22). The accessory device includes a mounting flange (43) configured to mate with the handrail rod and an accessory holder (44). The mounting flange includes an elongated neck (45) extending to a curved top portion (46) configured to overlay the top of the handrail. The mounting flange also includes a locking member (47) configured to be received within the channel of the handrail rod. | 2013-06-20 |
20130155680 | Low Form Factor Synthetic Jet Thermal Management System - A combination of a synthetic jet ejector with a host device is provided. The combination comprises (a) a chamber having an aperture disposed in a wall thereof; (b) a diaphragm disposed in said chamber; and (c) an actuator adapted to vibrate said diaphragm so as to create a synthetic jet in a flow of fluid exiting said chamber through said aperture; wherein said chamber has at least one interior surface which is formed by an element of the host device. | 2013-06-20 |
20130155681 | LED LIGHTING ASSEMBLIES WITH THERMAL OVERMOLDING - One or more light emitting diode diodes (LEDs) are attached to a printed circuit board. The attached LEDs are connectable with a power source via circuitry of the printed circuit board. An overmolding material is insert molded an over at least portions of the printed circuit board proximate to the LEDs to form a free standing high thermal conductivity material overmolding that covers at least portions of the printed circuit board proximate to the LEDs. The free standing high thermal conductivity material has a melting temperature greater than about 100° C. and has a thermal conductivity greater than or about 1 W/m·K. In some embodiments, the free standing high thermal conductivity material is a thermoplastic material. | 2013-06-20 |
20130155682 | HIGH-POWER LED LAMP - A high-power LED lamp set is provided in the present invention. The high-power LED lamp set comprises: a power converting module; a power supply casing ( | 2013-06-20 |
20130155683 | LIGHT BULB SHAPED LAMP AND LIGHTING APPARATUS - A light bulb shaped lamp includes: a hollow globe having an opening; an LED module having a base platform and an LED chip mounted on the base platform, the LED module being housed in the globe; a stem extending from the opening of the globe to the vicinity of the LED module; and a regulating component which regulates movement of the LED module with respect to the stem. | 2013-06-20 |
20130155684 | ELECTRODELESS LAMP STREET LIGHTING FIXTURE - An electrodeless lamp street lighting fixture comprises a housing, an electronic ballast, and a light emitter that comprises a light bulb, a light reflecting cover, and a transparent cover fixed together. The light emitter and the electronic ballast could be pivotally connected to the housing. An external surface of the housing is served as a radiating plane of the electronic ballast. Therefore, the present invention needs no tool for dismantlement, the radiating effect of the electronic ballast is satisfactory, and the installment is convenient. | 2013-06-20 |
20130155685 | Vertically Disposed HID Lamp Fixture - A vertically disposed HID lamp fixture for growing plants, which includes a housing having an interior, an exterior, a top hole, and a lower lip defining a light opening towards the plants, further including an inlet duct and outlet duct for the forced air cooling embodiment, a socket tower having an upper flange and a lower flange, the upper flange affixed around the perimeter of the top hole securing the socket tower to the housing, a reflector having an aperture, the lower flange affixed around the perimeter of the aperture suspends the reflector within the housing such that an isolation chamber is formed between the exterior side of the reflector and the interior of the housing, a HID lamp removably engages within said socket tower longitudinally extending substantially downward and through said aperture vertically disposed above said light opening sealed by a compressively held glass sheet. | 2013-06-20 |
20130155686 | ACCENT LIGHTING SYSTEM FOR DECKS, PATIOS AND INDOOR/OUTDOOR SPACES - An accent lighting source utilizes a light source having a metal heat dissipating housing with an aperture within which at least one point light source, such as from an LED, is mounted. The aperture is closed by a lens/diffuser structure. The light source is mounted within a housing for the accent light source. The housing has a design configuration that supports one or more of a preferred accent lighting installation on a horizontal or vertical surface. Exemplary horizontal surfaces include the top of a post member, a deck surface, a stair surface or an overhanging or ceiling surface. Exemplary vertical surfaces include a stair riser and the side of post or wall surface. | 2013-06-20 |
20130155687 | HAZARDOUS LOCATION LIGHTING FIXTURE WITH A HOUSING INCLUDING HEATSINK FINS - An LED (light emitting diode) illumination device that can generate a uniform light output illumination pattern. The illumination device includes an array of LEDs, each having a LED central axis. The LED central axis of the array of LEDs is angled approximately toward a central point. The illumination source includes a reflector with a conic or conic-like shape. The reflector wraps around the front of the LED to redirect the light emitted along a LED central axis. A housing of the LED illumination device can include a plurality of heatsink fins at a periphery, and a band can be formed within or outside of the heatsink fins. | 2013-06-20 |
20130155688 | INTERLOCKING LIGHTING FIXTURE - A lighting fixture includes a hexagonal housing having six side walls. Each side wall has a slot formed therein. Two or more lighting fixtures may be joined together to form a modular arrangement of lighting fixtures in a plurality of configurations by using an interlock piece which slides into channels formed in facing side walls of adjacent lighting fixtures to hold the lighting fixtures together. | 2013-06-20 |
20130155689 | LIGHT EXTRACTION FILM AND LIGHT EMITTING DEVICE USING THE SAME - The present invention provides a light extraction film including a micro-lens array film and at least one optical film. The micro-lens array film has a first surface and a second surface opposite to each other, and has a plurality of micro-lenses disposed on the first surface. The optical film covers the first surface, and the optical film includes a plurality of optical particles and a thin film layer. The optical particles are disposed in the thin film layer. | 2013-06-20 |
20130155690 | LED LENS AND LIGHT EMITTING DEVICE USING THE SAME - An LED lens and a light emitting device using the same are disclosed. The LED lens comprises a light incident surface, a light emitting surface, and a bottom surface. The light emitting surface includes a first recession portion disposed at the central thereof and a protrusion portion connected to the outer periphery of the emitting recession portion. The light incident surface comprises a first optically active area and a second optically active area. The first optically active area is disposed at the central of the light incident surface, and has a second recession portion; the second optically active area is a concave surface connected to the first optically active area. The LED lens satisfies specific conditions. The LED lens distributes a light beam emitted from the light emitting device to form an even light pattern. | 2013-06-20 |
20130155691 | LENS STRUCTURE FOR MOBILE PHONE FLASHLIGHT - A lens structure for mobile phone flashlight is provided, to improve luminance of edge area and overall luminance. The lens structure includes a lens body. The lens body includes an incident surface and a light-emitting surface, and the incident surface is a Fresnel lens. Edge area of the light-emitting surface is partially disposed symmetrically with at least a pair of second surfaces, and remaining area forms a first surface. The edges of the second surfaces tilt towards direction of the incident surface so that the first surface forms an angle with the second surfaces. As such, the lens structure is able to refract light to project in near rectangular area onto a target object when taking picture. | 2013-06-20 |
20130155692 | Interchangeable Decor Coverings - Disclosed is an interchangeable light fixture cover comprised of an upper frame, a lower frame, a transparent support for attaching the upper and lower frame together, a lamp shade covering material for covering the upper and lower frame, and an attachment means for securing the lamp shade to the frame. The cover includes a pair of magnet strips embedded therein, which can be attached to the upper and lower frame. The transparent support gives the impression that no vertical supports are being used, which provides an aesthetically pleasing appearance. Also disclosed is a method of decorating a room with matching décor coverings that each contains a magnet. The covers can be removed and replaced with covers of varying shape and design, which enables users to redecorate or update their décor without the need for purchasing completely. | 2013-06-20 |
20130155693 | LIGHT GUIDE PLATE HAVING A PSEUDO TWO-DIMENSIONAL PATTERN - The present invention provides a light guide plate comprising a light guide plate comprising an input surface for receiving light from a plurality of discrete light sources, an output surface for emitting light, and a bottom surface opposing to the output surface. At least one of the output surface and the bottom surface has a micro-pattern, the micro-pattern comprising micro-lenses distributed in a first direction y-axis that is parallel to the length direction and in a second direction x-axis that is parallel to the width direction. | 2013-06-20 |
20130155694 | Recessed Lighting Enclosure and Insulation Barrier - A recessed lighting enclosure comprises a housing having an open bottom, at least first and second side walls, a tapered roof, and an opening in the roof. The roof opening can optionally be covered with a flap, and is preferably overhung by an eve. The housing can be made of a cardboard or other foldable or readily cut panel, internally lined with fiberglass or other insulation. The insulation can advantageously extend below the bottom of the panel. Panels can be manufactured and shipped in a flattened shipping configuration. Assembly can use chemical, mechanical, or any other suitable mechanical connectors. Once installed, mats, bats, blown or any other type of insulation can be disposed about the housing. | 2013-06-20 |
20130155695 | LED LAMP - An LED lamp includes an optical portion, a heat dissipation portion, and an electrical portion. The optical portion includes a base, an LED formed on the base, and an upper housing covering the LED. The heat dissipation portion includes a tube and a lower housing formed around the tube, which cooperatively define a chamber therebetween. A coolant is filled in the chamber. An upper end of the tube is sealed by the base, whereas a lamp connector is formed at a lower end of the tube. A circuit board attached with heat-generating electrical components is positioned inside the tube. A thermally conductive glue is injected into the tube. During operation of the LED lamp the coolant experiences a phase change to absorb heat generated by the LED and the circuit board and its electrical components. | 2013-06-20 |
20130155696 | OPTOELECTRONIC COMPONENT AND METHOD FOR THE PRODUCTION THEREOF - An optoelectronic component includes a housing which includes a first partial region having a first thermoplastic material crosslinked by irradiation and a second partial region having a second thermoplastic material, a recess in the housing, and a radiation-emitting device disposed in the recess. | 2013-06-20 |
20130155697 | SYSTEM FOR LED COOLING - An LED cooling system includes a plate, the plate includes a plurality of slots for positioning a plurality of LEDs and at least one gap for substantially isolating each of the plurality of LED slots from one another such that heat from each of the plurality of LEDs has at least one non-interfering path towards an edge of the plate, thereby heating of one LED is substantially uninfluenced by heating of other LEDs in the plurality of LEDs. | 2013-06-20 |
20130155698 | AMPLIFICATION CIRCUIT AND HEAT SINK USED WITH A LIGHT EMITTING APPARATUS HAVING VARYING VOLTAGES - A light emitting apparatus having a housing including a portion defining a thermally conductive outer surface, a light source positioned within the housing, and an internal heat sink thermally coupling the light source and the thermally conductive outer surface portion of the housing. The light source may be a solid state device, such as a light emitting diode. | 2013-06-20 |
20130155699 | THERMAL TRIM FOR LUMINAIRE - A luminaire with a thermal pathway to reduce the junction temperature of the luminaire's light source, and methods for so doing, are disclosed. The luminaire includes a can, a light engine, and a trim, that define a substantially continuous thermal pathway from the light engine to a surrounding environment. The can defines a can cavity and includes a can end region. The light engine is within the can cavity and includes a light source and a heat sink, including a heat sink end region, coupled thereto. The trim is at least partially disposed within the can cavity and includes a first trim end region coupled to the heat sink end region and a second trim end region coupled to the can end region. Thermal interface material may be located between: the heat sink and the trim, the trim and the can, and/or the heat sink and the light source. | 2013-06-20 |
20130155700 | Flashlight Switching Structure - A flashlight switching structure is provided. To turn on or off a flashlight, an annular element mounted around a neck of the flashlight is manually rotated, thereby driving a magnet connected to the annular element to a position where a reed switch connected to a positioning element in the flashlight is subjected to magnetic attraction of the magnet. Once the annular element is released, the restoring force of a resilient element pushes the magnet back in place. Hence, by rotating and releasing the annular element, the flashlight can be switched between predetermined lighting modes, such as a strong light, weak light, flashing, and turned off mode. When a protruding block connected to the outer periphery of the annular element is pushed downward and partially into a corresponding recess on the flashlight, the annular element is prevented from rotation, and the flashlight from being inadvertently triggered. | 2013-06-20 |
20130155701 | LUMINAIRE - A luminaire | 2013-06-20 |
20130155702 | LIGHTING APPARATUS - A lighting apparatus is disclosed. The lighting apparatus includes an emitter having a plasma bulb and a driver which provides an RF signal to the emitter to drive the plasma bulb. The lighting apparatus may be used for various applications including illuminating plants and organisms in an aquatic environment, growing plants, facility lighting, and other applications. | 2013-06-20 |
20130155703 | FIXTURE FOR LIGHT GUIDE PLATE - A fixture for loading light guide plates, includes a tray and a plurality of sliding members for supporting the light guide plates. The tray includes a housing and a plurality of supporting members received in the housing. Gaps defined between two adjacent supporting members cooperatively form a plurality of guide channels, and the sliding members are slidably assembled in the tray along the guide channels. | 2013-06-20 |
20130155704 | VEHICLE LIGHT DISTRIBUTION CONTROL APPARATUS AND METHOD - A vehicle light distribution control apparatus includes a camera configured to capture a scene in a forward direction of the vehicle; a lighting apparatus configured to illuminate a forward direction of the vehicle with illumination light; and a controller configured to detect an image portion in an image captured by the camera as an object estimated as another vehicle when the image portion meets a predetermined criterion, and control a light distribution of the illumination light based on a detection result, wherein if the controller detects the object estimated as another vehicle within an illumination region of the illumination light, it limits the illumination region of the illumination light such that the object estimated as another vehicle is not illuminated by the illumination light, and then if it does not detect an object estimated as another vehicle within a non-illumination region of the illumination light due to the limitation, it restricts a cancellation of the limitation of the illumination region of the illumination light until a predetermined cancellation criteria is met. | 2013-06-20 |
20130155705 | LED SIGNAL LIGHT WITH VISIBLE AND INFRARED EMISSION - The present disclosure is directed to a light emitting diode (LED) signal light. In one embodiment, the LED signal light includes at least one visible LED, at least one infrared (IR) LED, a reflector, wherein the reflector collimates a light emitted from the at least one visible LED and a light emitted from the at least one IR LED and a power supply powering the at least one visible LED and the at least one IR LED. | 2013-06-20 |
20130155706 | Combined Aircraft Landing and Taxi Light - An integrated aircraft landing and taxi light includes upper and lower reflector regions in the shape of substantially circular segments and a central longitudinal third reflector region extending between the upper and lower reflector regions. Landing light LEDs are arranged within the upper and lower reflector regions and the outer portions of the central longitudinal reflector region with the diagonals of the LED dies oriented substantially along radial lines extending outward from the center of the light. Taxi light LEDs are arranged within the central and outer portions of the central longitudinal reflector region such that the sides of the LED dies are oriented substantially horizontally and vertically with respect to the aircraft. | 2013-06-20 |
20130155707 | ANISOTROPIC INCANDESCENT LIGHT SOURCE - An improved incandescent light source as may be used in a vehicle headlamp for providing forward illumination. The illuminating system includes a filament coil and an anisotropic reflector assembly. The filament coil is constructed from a coil of wire that is electrically conductive and has a high melting point and the primary axis of the coil of wire is substantially aligned with a principal axis of the reflector system. The light flux emitted by the filament coil toward the reflector system is rotationally anisotropic. | 2013-06-20 |
20130155708 | DOOR TRIM PULL CUP AMBIENT LIGHT - An interior door trim component for an automotive vehicle. The door trim component includes a main body having an exterior surface for facing the interior of the vehicle and a door pull configured to allow for pulling thereon and closing of the door of the vehicle. The door pull is spaced apart from the main body by a distance that allows the fingers of a vehicle occupant's hand to extend into the area between the door pull and the main body. A light emitting assembly is mounted adjacent to the door pull and is oriented to emitt light in a direction away from the door pull and toward the exterior surface of the main body. | 2013-06-20 |
20130155709 | LED ILLUMINATOR IN HOOD OF VEHICLE - Herein, there is disclosed an LED illuminator installed to illuminate an inner space of a hood of a vehicle when the hood is open. The LED illuminator comprises a protection frame positioned in an inner space of the hood; and an LED module having a light emitting portion, wherein the light emitting portion is installed to be concealed into and exposed to the outside of the protection frame. | 2013-06-20 |
20130155710 | LIGHTING MODULE GENERATING AN INTERLACING OF LIGHT STRIPS - A lighting module comprising at least one first lighting device and one second lighting device; the first lighting device comprises a support common to at least one first light emitter generating a first light strip and at least one second light emitter generating a second light strip. The first light emitter is arranged relative to second light emitter so as to generate a zone that is unlit by the first lighting device between the first light strip and the second light strip | 2013-06-20 |
20130155711 | HEADLIGHT FOR A VEHICLE - A headlight for a vehicle having a housing in which LED modules and a reflector are accommodated, wherein the LED modules irradiate light into the reflector and wherein the light reflects at the reflector and leaves the headlight. It is inventively provided that the LED modules each have a cooling receptacle body, wherein the LED modules are mounted on the reflector by means of the respective cooling receptacle body. | 2013-06-20 |
20130155712 | LIGHTING DEVICE - A lighting device for vehicles with a plurality of light sources arranged like a matrix in a light generation level, with a light forming optic unit arranged in front of the light sources in a primary direction of emission, and with another optic unit arranged between the light forming optic unit and the light sources, comprising a plurality of optic elements, with the optic elements being arranged like a matrix and one optic element each being allocated to a light source, with the additional optic unit being embodied as a widening optic unit with a plurality of band reflector segments arranged intersecting to form polygonal reflectors as optic elements and with a plurality of light forming elements, which are arranged like a matrix corresponding to the light sources and arranged between the light sources and the polygonal reflectors. | 2013-06-20 |
20130155713 | Flexible Light Bar With Epoxy - A light bar apparatus is disclosed. The light bar apparatus is attached to a vehicle and comprises a plurality of LED lights capable of illuminating in patterns signaled by the vehicle. The light bar is made at least in part of thermosetting polymer material such that the curing of the thermosetting polymer results in a protective layer for the LED lights by shielding the LED lights from excessive vibration from a vehicle in motion. | 2013-06-20 |
20130155714 | INFRARED LIGHT DEVICE - An infrared (IR) light device is provided comprising: a main casing filled with a gas to prevent condensation from forming on an interior surface of the visible light filter; and a plurality of IR light emitting diodes (LEDs) mounted in the main casing, wherein the casing includes heat dissipating features. | 2013-06-20 |
20130155715 | OPTOELECTRONIC FOOD DECORATION AND PACKAGING - Described herein are devices and structures used for decorating food, and food packaging, using a single light source to provide multiple points of light on a panel or panels of the device. The devices may include a structure such as a stand placing the decorative device on a food item, such as a cake. In certain implementations, the structure is part of food package that contains the food product | 2013-06-20 |
20130155716 | LIGHTING FIXTURE - A light fixture including at least one light emitting device and a light-guiding pillar is provided. The light emitting device is adapted to emit a light beam. The light-guiding pillar has a light incident surface, an end surface opposite to the light incident surface, and a peripheral surface connecting the light incident surface to the end surface. The peripheral surface includes a smooth curved surface, a fillister surface connected to the smooth curved surface, and a reflective surface connected to the fillister surface. The light emitting device is disposed beside the light incident surface. The fillister surface is disposed at two opposite sides of the reflective surface. Extending directions of a plurality of fillisters on the fillister surface are substantially parallel to an extending direction of the light-guiding pillar. | 2013-06-20 |
20130155717 | DISPLAY APPARATUS - A display apparatus includes a display panel, a backlight unit, a mold frame, a bottom bracket, a top mold, and first and second coupling members. The display panel includes a display surface on which an image is displayed. The backlight unit generates and provides a light to the display panel. The mold frame supports the display panel and the backlight unit. The bottom bracket accommodates the display panel, the backlight unit and the mold frame. The top mold faces the bottom bracket and overlaps a portion of the display panel, and the display panel is between the top mold and the bottom bracket. The first coupling member couples the mold frame with the top mold, and the second coupling member couples the top mold with the bottom bracket. | 2013-06-20 |
20130155718 | LIGHT-TRANSMITTING DECORATIVE GLASS, DECORATIVE GLASS, AND METHOD AND APPARATUS FOR MANUFACTURING DECORATIVE GLASS - Provided are decorative glass and light-transmitting decorative glass products which are outstandingly decorative by processing a surface of a translucent glass plate, typically used as building materials or for other uses, without impairing the strength of the glass itself. The surface of the translucent glass plate | 2013-06-20 |
20130155719 | LIGHTGUIDE AS LUMINAIRE - A lightguide functioning as a luminaire. The luminaire includes at least one solid state light source, such as an LED, and a lightguide configured to receive light from the solid state light source. Light from the light source is coupled into the lightguide and transported within it by total internal reflection until the light exits the lightguide. A shape of the lightguide causes and directs extraction of the light. The shape can also be used to create a particular pattern of the extracted light. | 2013-06-20 |
20130155720 | ILLUMINATING DEVICE, DISPLAY DEVICE, AND TELEVISION RECEIVING DEVICE - Provided is an illuminating device capable of uniformalizing intensity distribution in a plane of light that is emitted to the outside even when a light source includes a non-emitting portion or a low reflective portion. The illuminating device includes alight source including a plurality of light-emitting elements, and a light guide member including an entrance face opposing the light source, from which light emitted from the light source enters the inside of the light guide member, wherein the light source includes a non-emitting portion where the light-emitting elements are not disposed, and wherein light projected from a portion of the light source, the portion being close to the non-emitting portion, onto the entrance face of the light guide member is higher in intensity than light projected from the other portion of the light source onto the entrance face of the light guide member. | 2013-06-20 |
20130155721 | DISPLAY DEVICE - A display device is provided with a backlight system and a display panel which controls and selectively transmits light from the backlight system, and the device is formed such that the backlight system contains the light source, the light guide plate OG and the optical sheet OS within a lower frame SF and has such a structure that the lower frame is covered by a middle frame NF that covers around an opening on an upper surface of the lower frame, at least one portion around the light guide plate is provided with an elastic member EP placed between the lower frame and the light guide plate, and the elastic member is provided with a protrusion that covers part of an upper surface of the light guide plate, and the middle frame presses (B) the elastic member against the lower frame so that the protrusion holds (C) the light guide plate within the lower frame. | 2013-06-20 |
20130155722 | LIGHT GUIDE PLATE AND EDGE LIGHT BACKLIGHT DEVICE - An edge light backlight device includes a light guide plate having a base portion and microstructures, LEDs, and a reflective plate. The base portion has a light emitting side, a rear side, and a light incident side. The microstructures are formed on one of the light emitting side and the rear side and each of which extends from the light incident side in a longitudinal direction. Each of the microstructures includes a curved surface with a radius of curvature (R). The light guide plate has a thickness (T). R/T ratio ranges from 0.04 to 0.15 and each of the microstructures has a height ranging from 20 μm to 300 μm so that the light guide plate has a performance of local lighting ranging from 1% to 40%. | 2013-06-20 |
20130155723 | Replaceable lightguide film display - In one embodiment, a device includes a light transmitting film defining a body and having opposing faces with a thickness between the opposing faces not greater than 0.5 millimeters. A first region is defined within the body representing a region of one or more of a pattern, an indicia, a graphic, and an image that is visible by light extraction when illuminated by light propagating within the film in a waveguide condition. The first region includes a plurality of light extraction features that redirect a portion of light traveling within the film in a waveguide condition that mixes within the legs and the body out of one or more of the opposing faces of the film in the first region. A method of producing a device is also disclosed | 2013-06-20 |
20130155724 | DETECTING OUTPUT DIODE CONDUCTION TIME FOR CABLE DROP COMPENSATION OF A POWER CONVERTER - An example controller for a power converter to provide power to a load through a distribution network includes a control circuit and a cable drop compensator. The control circuit outputs a drive signal to control switching of a switch to regulate an output of the power converter in response to a feedback signal. The cable drop compensator is coupled to adjust the feedback signal in response to a conduction time of an output diode of the power converter to compensate for a distribution voltage dropped across the distribution network. | 2013-06-20 |
20130155725 | METHOD FOR CURRENT CONTROL IN A DIRECT VOLTAGE NETWORK OF A DIRECT VOLTAGE CONVERTER AND A DIRECT VOLTAGE CONVERTER - A method for the control of a first current in a first direct voltage network which is connected to a direct voltage converter, wherein energy is transmitted between the first and a second direct voltage network via a transformation unit of the direct voltage converter, wherein a current control is provided for the control of a second current in the second direct voltage network. A second current setpoint is determined from a first current setpoint of the first direct voltage network based on a transfer function of the transformation unit, which second current setpoint is fed to the current control and therefore, due to the transformation ratio of the transformation unit, a first actual current of the current-control-free direct voltage network is controlled. | 2013-06-20 |
20130155726 | SYSTEM AND METHOD FOR INPUT VOLTAGE TRANSIENT RESPONSE CONTROL - The present invention provides a DC/DC converter for use with a DC input signal. The DC/DC converter includes a control signal generator, a primary and a secondary side, a voltage generating portion, a threshold voltage providing portion and a feedback signal generator. The control signal generator can control the primary side and the secondary side. The voltage generating portion can generate a surge voltage based a control signal from the control signal generator. The threshold voltage providing portion can generate a threshold voltage. The feedback signal generator can generate a feedback signal based on the surge voltage and the threshold voltage. The control signal generator can further modify control of one of the primary and secondary sides based on the feedback signal. | 2013-06-20 |
20130155727 | ISOLATED SWITCHED MODE POWER SUPPLY - An isolated switched mode power supply comprises a transformer, with primary and secondary windings, and a rectification network connected to the secondary winding. The rectification network and the transformer are arranged such that, during a free-wheeling period of operation of the switched mode power supply, a magnetic flux from a first portion of a secondary winding of the transformer substantially cancels a magnetic flux from a second portion of the secondary winding between the first and second portions of the secondary winding. Additionally, a secondary side circuit connected to the secondary winding comprises a switching device, which is connected to a centre-tap, provided between the first and second portions of the secondary winding, and an output of the rectification network so as to conduct at least a part of a free-wheeling current flowing in the secondary side circuit during the free-wheeling period. | 2013-06-20 |
20130155728 | Isolation of Secondary Transformer Winding Current During Auxiliary Power Supply Generation - An electronic system and method include a controller to actively control power transfer from a primary winding of a switching power converter to an auxiliary-winding of an auxiliary power supply. The switching power converter is controlled and configured such that during transfer of power to the auxiliary-winding, the switching power converter does not transfer charge to one or more secondary-windings of the switching power converter. Thus, the switching power converter isolates one or more secondary transformer winding currents from an auxiliary-winding current. By isolating the charge delivered to the one or more secondary-windings from charge delivered to the auxiliary-winding, the controller can accurately determine an amount of charge delivered to the secondary-windings and, thus, to a load. | 2013-06-20 |
20130155729 | SYSTEM AND METHOD FOR DETECTING PHASE LOSS AND DIAGNOSING DC LINK CAPACITOR HEALTH IN AN ADJUSTABLE SPEED DRIVE - A system and method for detecting input phase loss in an adjustable speed drive (ASD) includes an input unit to detect operating data from the ASD. The operating data includes a DC link current of the ASD. The system also includes a state observer that is adapted to receive the operating data from the input unit and extract a DC link capacitor current of the ASD using the DC link current. The system also includes a controller programmed to compare the extracted DC link capacitor current to a predetermined fault range and generate a fault indication of an input phase loss if the extracted DC link capacitor current is within the predefined fault range. The controller is also programmed to calculate an estimated lifespan of the DC link capacitor based on the extracted DC link capacitor current. | 2013-06-20 |
20130155730 | SYSTEM AND METHOD FOR LOW SPEED CONTROL OF POLYPHASE AC MACHINE - A power converter configured to improve power capture in a wind turbine during low wind speed operation is disclosed. The power converter converts the power generated by the alternator of the wind turbine into a suitable AC current for delivery to a utility grid or to an electric load independent of the utility grid. The power converter is configured to operate in multiple operating modes, utilizing both synchronous and non-synchronous control methods, to extend the operating range of the power converter. During non-synchronous operation, the power converter utilizes a modulation routine that may either vary the dead-time compensation period during a constant modulation period or vary the modulation period with a constant on-time. A seamless transfer between non-synchronous and synchronous control methods with low total harmonic distortion (THD) improves the range of power generation for wind generators. | 2013-06-20 |
20130155731 | SYSTEM AND METHOD FOR LOW SPEED CONTROL OF POLYPHASE AC MACHINE - A method of starting a wind turbine generator of any type of polyphase AC machine, including, but not limited to, brushless DC or permanent magnet machines is disclosed. The machine starts from a dead stop or from low speed operation and is accelerated to the cut in speed for power production. The start-up is realized utilizing the common set of electrical conductors and the power converter also used for capturing the generated power. Under initial operation, the power converter executes a PWM modulation technique to drive the machine. Periodically, the PWM modulation is stopped to read the electrical position of the generator. | 2013-06-20 |
20130155732 | METHODS AND SYSTEMS FOR OPERATING A POWER CONVERTER - A power conversion system for providing power to an electrical grid is described. The power conversion system includes a power converter coupled to a power source and the electrical grid. The power conversion system also includes a converter controller coupled to the power converter and configured to control operation of the power converter to actively cancel harmonic current received at the power converter from the electrical grid. | 2013-06-20 |
20130155733 | GENERATING A FAST RESET-SIGNAL USING A FAULT-PROTECTION LATCH - Methods and apparatuses are disclosed for monitoring an ac input for fault conditions. The ac input may be monitored by a latch-reset that uses the ac input to charge a line detection capacitor. The latch-reset may be configured such that the voltage at one end of the line detection capacitor drops below a line detection threshold voltage when the ac input is removed for longer than an allowable period of time or if the voltage of the ac input falls below an acceptable value. The drop in voltage at the end of the capacitor may cause an electrically coupled transistor to switch, thereby causing a reset-signal to be generated. | 2013-06-20 |
20130155734 | METHOD AND SYSTEM FOR ISLANDING DETECTION AND PROTECTION - A method and system for detecting an islanding condition in a grid is provided. The method comprises detecting a potential islanding condition in a grid; and, in response to the detected potential islanding condition, ramping up an amount of reactive power, active power, or a combination of active and reactive power that is generated from a power conversion system until the earlier of the power conversion system shutting down or a threshold condition being reached. | 2013-06-20 |
20130155735 | STACKED VOLTAGE SOURCE INVERTER WITH SEPARATE DC SOURCES - A stacked voltage source inverter having separate DC sources is described herein. This inverter is applicable to low or medium voltage, low to medium power applications such as photovoltaic utility interface systems, battery storage application such as peak shaving with renewables, motor drive applications and for electric vehicle drive systems. The stacked inverter consists of at least one phase wherein each phase has a plurality of low voltage full bridge inverters equipped with an independent DC source. This inverter develops a near sinusoidal approximation voltage waveform with fast switching and small low pass AC output filter. A system controller controls operating parameters for each inverter. The inverter may have either single-phase or multi-phase embodiments connected in either wye or delta configurations. | 2013-06-20 |
20130155736 | BI-DIRECTIONAL ENERGY CONVERTER WITH MULTIPLE DC SOURCES - A multiple dc sources bi-directional energy converter includes a plurality of direct current (DC) power sources; one alternating current (AC) power source; at least one stacked alternating current (AC) phase, each stacked alternating current (AC) phase having at least two or more full bridge converters, each respectively coupled to one of the direct current power sources, each full bridge converter having an inductor electrically coupled thereto; and a local controller coupled to each full bridge converter controlling the firing sequence of the switching devices in said full bridge converter to generate an approximately nearly sinusoidal voltage waveform when operated as a voltage source inverter in one direction or generate an approximately nearly constant direct current (DC) output when operated as a full-wave active rectifier in the opposite direction. | 2013-06-20 |
20130155737 | SWITCHING MODE POWER SUPPLY USABLE IN AN IMAGE FORMING APPARATUS, AND IMAGE FORMING APPARATUS AND METHOD OF SUPPLYING POWER BY USING THE SAME - A switching mode power supply and a method of supplying power by using the same. The switching mode power supply includes a converting unit to convert an alternating current (AC) voltage input to the switching mode power supply to at least one direct current (DC) voltage by using at least one transformer, and a voltage controller to control a voltage level of an output voltage to be output to a system controller of the image forming apparatus from among the at least one DC voltage, where the system controller controls operations of the image forming apparatus. The voltage controller includes a switching unit to switch the voltage level of the output voltage from a first voltage level to a second voltage level when the image forming apparatus enters a power saving mode, where the second voltage level is lower than the first voltage level. | 2013-06-20 |
20130155738 | SYSTEM AND METHOD FOR CONTROLLING REACTIVE POWER IN A POWER CONVERSION SYSTEM - A power conversion system includes a three-phase power converter electrically couplable to a photovoltaic power source for converting DC power to three-phase AC power; sensors for measuring voltage levels of the AC power at each phase; and a controller for generating and transmitting independent reactive power commands for each phase of the three-phase power converter based at least in part on the voltage levels and an existing voltage imbalance. | 2013-06-20 |
20130155739 | SOLAR POWER GENERATION SYSTEM, CONTROL DEVICE USED FOR SOLAR POWER GENERATION SYSTEM, AND CONTROL METHOD AND PROGRAM FOR SAME - In a light power generation system, a control device, a control method, and a program, efficient power can be supplied. The maximum power detection unit operates a MOSFET in a power converter circuit and open-circuits both ends of a solar cell panel in the maximum power detection mode. After that, the maximum power detection unit short-circuits both ends of the solar cell panel, detects a maximum power by monitoring the output power of the solar cell panel during a period from the open state to the short-circuited state, and defines the voltage of the solar cell panel as an optimal voltage when detecting the maximum power. In a tracking operation mode, the control unit performs PWM control with respect to the MOSFET by defining the optimal voltage to be a reference signal. Operations are repeated between the maximum power detection mode and the tracking operation mode. | 2013-06-20 |
20130155740 | POWER CONVERTER AND CONTROL METHOD THEREOF - Aspects of the invention can provide a control method of a power converter that is capable of preventing increase of electromagnetic noise that are caused by simultaneous change of the states of power semiconductor switching elements of the power converter. State changes of ON/OFF pulses that are input to power semiconductor switching elements are detected, and, when the timings of the state changes of any two of the ON/OFF pulses match each other, the state change of either one of the ON/OFF pulses, of which state changes match each other, is delayed. | 2013-06-20 |
20130155741 | POWER SUPPLY DEVICE AND ELECTRIC POWER CONVERSION DEVICE USING THE SAME - A comparator compares a voltage of a node into which electric current flows from a system of a first voltage and a reference voltage for maintaining the node at a second voltage. A step-up-type DC-DC converter receives the voltage of the node which is input to the comparator, increases the voltage to a voltage higher than the first voltage, and applies the voltage to the system of the first voltage. According to the comparison of the comparator, when the voltage of the node is higher than the reference voltage, the step-up-type DC-DC converter activates a step-up function, and when the voltage of the node is equal to or less than the reference voltage, the step-up-type DC-DC converter deactivates the step-up function. | 2013-06-20 |
20130155742 | MICRO-POWER RECTIFIER AND METHOD THEREOF - A micro-power rectifier including a plurality of charge pumps and a method of the micro-power rectifier are provided. The charge pumps respectively include an input capacitor, an output capacitor, a first diode and a second diode. Wherein, at least one of reference voltages of the output capacitors is greater than 0V, and other reference voltages of the output capacitors is/are a ground voltage. Therefore, the efficiency and the output voltage of the rectifier can be increased. | 2013-06-20 |
20130155743 | POWER SUPPLY SWITCH APPARATUS - A power supply switch apparatus includes a voltage decreasing circuit, a rectification circuit, a comparison circuit, and a control circuit. The voltage decreasing circuit receives a first alternating voltage output from a power supply and converts the first alternating voltage to a second alternating voltage. The rectification circuit receives the second alternating voltage and converts the second alternating voltage to a first direct voltage. The voltage regulating circuit receives the first direct voltage and converts the first direct voltage to a second direct voltage. The comparison circuit receives the second direct voltage, compares the second direct voltage with a reference voltage, and outputs a control signal. The control circuit receives the control circuit and connects the power supply to different circuits according to the control circuit. | 2013-06-20 |
20130155744 | Method and Device for Determining the Value of a Characteristic Quantity of a System for Powering a Load - This method determines the value of a characteristic quantity (U | 2013-06-20 |
20130155745 | POWER SEMICONDUCTOR DEVICE - Among first IGBTs and first MOSFETs, a transistor arranged near a first gate control circuit gives, through a gate thereof, a gate control signal supplied from the first gate control circuit to a gate of a transistor arranged at a position farther from the first gate control circuit. Among second IGBTs and second MOSFETs, a transistor arranged near a second gate control circuit gives, through a gate thereof, a gate control signal supplied from the second gate control circuit to a gate of a transistor arranged at a position farther from the second gate control circuit. | 2013-06-20 |
20130155746 | POWER LAYER GENERATION OF INVERTER GATE DRIVE SIGNALS - Techniques include systems and methods of synchronizing multiple parallel inverters in a power converter system. In one embodiment, control circuitry is connected to a power layer interface circuitry at each of the parallel inverters, via an optical fiber interface. The system is synchronized by transmitting a synchronizing pulse to each of the inverters. Depending on the operational mode of the system, different data exchanges may occur in response to the pulse. In an off mode, power up and power down data may be exchanged between the control circuitry and the inverters. In an initiating mode, identification data may be transmitted from the inverters to the control circuitry. In an active mode, control data may be sent from the control circuitry to the inverters. In some embodiments, the inverters also transmit feedback data and/or acknowledgement signals to the control circuitry. Power layer circuitry of the inverter adjusts a local clock based upon sampled data from the control circuitry to maintain synchronicity of the inverters between synchronization pulses. | 2013-06-20 |
20130155747 | HIGH-EFFICIENCY, THREE-LEVEL, SINGLE-PHASE INVERTER - A highly efficient transformerless inverter and a method of controlling the same. The inverter is designed for use in a distributed power generation system, such as a home having photovoltaic cells (e.g., a solar panel), wind turbines, batteries, and other sources of DC electrical power. The inverter includes four switching states including a positive current path for a positive half-cycle, a free-wheel current path for the positive half-cycle, a negative current path for a negative half-cycle, and a second free-wheel current path for the negative half-cycle. The free-wheel current paths include a reduced number of circuit components (e.g., diodes), which enables a highly efficient inversion of DC power to AC power. | 2013-06-20 |
20130155748 | Conversion Circuit - A conversion circuit ( | 2013-06-20 |
20130155749 | CONTENT ADDRESSABLE MEMORY - A memory includes a plurality of content-addressable memory (CAM) cells and a summary circuit associated with the plurality of CAM cells. The summary circuit includes a first level of logic gates and a second level of logic gates. The first level of logic gates have inputs each configured to receive an output of a corresponding one of the plurality of CAM cell. The second level of logic gates have inputs each configured to receive an output of a corresponding one of the first level of logic gates. | 2013-06-20 |
20130155750 | SEMICONDUCTOR STORAGE DEVICE - A semiconductor storage device includes: a memory cell array having memory cells positioned at respective intersections between a plurality of first wirings and a plurality of second wirings, each of the memory cells having a rectifier element and a variable resistance element connected in series; and a control circuit selectively driving the first and second wirings. The plurality of first wirings that are specified and selectively driven at the same time by one of a plurality of address signals are separately arranged with other first wirings interposed therebetween within the memory cell array when a certain potential difference is applied to a selected memory cell positioned at an intersection between the first and second wirings by the control circuit. | 2013-06-20 |
20130155751 | MEMORY DEVICES HAVING BREAK CELLS - A representative memory device includes a cell array, at least one break cell that subdivides the cell array into bit cell arrays, and one or more power switches that are electrically coupled to the bit cell. In one embodiment, the break cell separates a connectivity of a first voltage and a second voltage between at least two bit cell arrays so that the bit cell arrays can be selectively coupled to either the first voltage or the second voltage using the power switches. The power switches control the connection of each separated bit cell array of the cell array to either the first voltage or second voltage. | 2013-06-20 |
20130155752 | WIRING CONFIGURATION OF A BUS SYSTEM AND POWER WIRES IN A MEMORY CHIP - Devices and circuits for wiring configurations of a bus system and power supply wires in a memory chip with improved power efficiencies. For example, the effective resistance on the power supply wires can be reduced by utilizing non-active bus wires as additional power wires connected in parallel with the other supply wires. Further, these non-active bus wires can reduce or prevent parasitic couplings and cross-talk effects between neighboring sensitive wires, thereby improving the performance of the chip. | 2013-06-20 |
20130155753 | METHOD FOR IMPLEMENTING SPARE LOGIC OF SEMICONDUCTOR MEMORY APPARATUS AND STRUCTURE THEREOF - A method for implementing a spare logic of a semiconductor memory apparatus includes the steps of: forming one or more contact conductive layers, which are independent, in a power line and an active area, respectively; and performing metal programming on the contact conductive layers formed in the power line and the active area to electrically couple the independent contact conductive layers formed in the power line and the active area. | 2013-06-20 |
20130155754 | METHOD AND SYSTEM FOR PROVIDING A MAGNETIC MEMORY UTILIZING A SHIFT REGISTER - A magnetic memory is described. The magnetic memory includes magnetic memory elements corresponding to magnetic memory cells and at least one shift register. Each magnetic memory element includes a pinned layer, a free layer, and a nonmagnetic spacer layer between the pinned and free layers. The free layer is switchable between stable magnetic states when a write current is passed through the magnetic memory element. The shift register(s) correspond to the magnetic memory elements. Each shift register includes domains separated by domain walls. A domain is antiparallel to an adjoining domain. The shift register(s) are configured such that an equilibrium state aligns a portion of the domains with the magnetic memory elements. The shift register(s) are also configured such that each domain walls shifts to a location of an adjoining domain wall when a shift current is passed through the shift register(s) in a direction along adjoining domains. | 2013-06-20 |
20130155755 | RESISTIVE MEMORY APPARATUS - A resistive memory apparatus includes a sensing voltage generation unit and a memory cell. The sensing voltage generation unit configured to drive a sensing node to a voltage with a predetermined level in response to a reference voltage and a voltage of the sensing node. The memory cell is connected with the sensing node and configured to change a magnitude of current flowing through the sensing node according to a resistance value thereof. | 2013-06-20 |
20130155756 | NONVOLATILE SEMICONDUCTOR MEMORY DEVICE - A nonvolatile semiconductor memory device comprises a cell array including plural MATs (unit cell arrays) arranged in matrix, each MAT containing a plurality of first lines, a plurality of second lines intersecting the plurality of first lines, and a plurality of memory cells connected at intersections of the first and second lines between both lines, each memory cell containing an electrically erasable programmable variable resistive element of which resistance is nonvolatilely stored as data; and a plurality of write/erase circuits connected to the MATs and operative to execute data write or erase to the memory cells inside the MATs in accordance with input data. A part of the plurality of write/erase circuits writes data to memory cells inside a corresponding MAT while another part of the plurality of write/erase circuits erases data from memory cells inside a corresponding MAT at the same time. | 2013-06-20 |
20130155757 | Drive Method for Memory Element, and Storage Device Using Memory Element - A memory element includes an insulating substrate; a first electrode and a second electrode on the insulating substrate; and an inter-electrode gap portion that causes a change in resistance value between the first and second electrodes. Applied to the memory element from a pulse generating source is a first voltage pulse for shifting from a predetermined low-resistance state to a predetermined high-resistance state, and a second voltage pulse for shifting from the high-resistance state to the low-resistance state through a series-connected resistor, by which current flowing to the memory element after the change to a low resistance value is reduced. When shifting from the high to the low-resistance state, a voltage pulse is applied such that an electrical resistance between the pulse generating source and the memory element becomes higher than the electrical resistance shifting from the low to the high-resistance state. | 2013-06-20 |
20130155758 | CIRCUIT AND METHOD FOR GENERATING A SENSE AMPLIFIER ENABLE SIGNAL BASED ON A VOLTAGE LEVEL OF A TRACKING BITLINE - A circuit is usable to generate a sense amplifier enable (SAE) signal for a static random access memory (SRAM) circuit. The circuit includes a first tracking bit line, a second tracking bit line, a tracking cell, and a control logic circuit. The second tracking bit line is electrically connected to the first tracking bit line. The tracking cell has a driving terminal and a non-driving terminal, where the non-driving terminal is connected to the second tracking bit line, and the driving terminal is connected to the first tracking bit line and configured to selectively charge or discharge a voltage on the first tracking bit line in response to a control signal. The control logic circuit is coupled to the first tracking bit line and configured to generate the SAE signal in response to the voltage level on the first tracking bit line. | 2013-06-20 |
20130155759 | Test Structures, Methods of Manufacturing Thereof, Test Methods, and MRAM Arrays - Test structures, methods of manufacturing thereof, test methods, and magnetic random access memory (MRAM) arrays are disclosed. In one embodiment, a test structure is disclosed. The test structure includes an MRAM cell having a magnetic tunnel junction (MTJ) and a transistor coupled to the MTJ. The test structure includes a test node coupled between the MTJ and the transistor, and a contact pad coupled to the test node. | 2013-06-20 |
20130155760 | METHOD OF WRITING TO A SPIN TORQUE MAGNETIC RANDOM ACCESS MEMORY - A method for determining an optimized write pattern for low write error rate operation of a spin torque magnetic random access memory. The method provides a way to optimize the write error rate without affecting the memory speed. The method comprises one or more write pulses. The pulses may be independent in amplitude, duration and shape. Various exemplary embodiments adjust the write pattern based on the memory operating conditions, for example, operating temperature. | 2013-06-20 |
20130155761 | MAGNETIC MEMORY DEVICE AND READING METHOD OF MAGNETIC MEMORY DEVICE - A magnetic memory device including a multivalued magnetic memory cell whose electric resistances become first to fourth resistance value when first to fourth information are respectively stored, a first reference cell larger than the first resistance value and smaller than the second resistance value, a second reference cell larger than the second resistance value and smaller than the third resistance value, a third reference cell larger than the third resistance value and smaller than the fourth resistance value, and a read circuit including first to third comparators comparing a signal corresponding to the resistance of the magnetic memory cell and respective signals corresponding to the resistances of the first to third reference cells. | 2013-06-20 |
20130155762 | RANDOM ACCESS MEMORY ARCHITECTURE FOR READING BIT STATES - An architecture and method includes providing an oscillatory signal through each magnetic tunnel junction (MTJ), or in a line adjacent each MTJ, in a magnetoresistive random access memory array. A rectified signal appearing across each MTJ is measured and compared to a reference signal for determining the state of the MTJ. | 2013-06-20 |
20130155763 | CIRCUIT AND METHOD FOR SPIN-TORQUE MRAM BIT LINE AND SOURCE LINE VOLTAGE REGULATION - Circuitry and a method for regulating voltages applied to source and bit lines of a spin-torque magnetoresistive random access memory (ST-MRAM) reduces time-dependent dielectric breakdown stress of the word line transistors. During a read or write operation, only the selected bit lines and source lines are pulled down to a low voltage and/or pulled up to a high voltage depending on the operation (write | 2013-06-20 |
20130155764 | MAGNETORESISTANCE ELEMENT AND SEMICONDUCTOR MEMORY DEVICE - A magnetoresistance element includes: a first magnetoresistance subelement including a first free magnetization layer, a first tunnel insulating layer and a first fixed magnetization layer, the first tunnel insulating layer interposed between the first free magnetization layer and the first fixed magnetization layer; and a second magnetoresistance subelement including a second free magnetization layer, a second tunnel insulating layer and a second fixed magnetization layer, the second tunnel insulating layer interposed between the second free magnetization layer and the second fixed magnetization layer, wherein the first and second magnetoresistance subelements are stacked each other, and an order of the first free magnetization layer and the first fixed magnetization layer is opposite to an order of the second free magnetization layer and the second fixed magnetization layer in a thickness direction of the magnetoresistance element. | 2013-06-20 |