17th week of 2009 patent applcation highlights part 28 |
Patent application number | Title | Published |
20090103259 | ELECTRONIC APPARATUS - According to one embodiment, an electronic apparatus includes a housing, a battery pack, an ODD unit having a thickness smaller than the battery pack, and an additional device contained in the housing. The battery pack is arranged in a back section of the housing. The ODD unit is arranged to be one-sidedly shifted to a front section in the housing, and includes a front end portion opposed to the front section, and a back end portion opposed to the battery pack. The additional device is away from the front end portion of the ODD unit, and overlaps the back end portion of the ODD unit in the vertical direction. | 2009-04-23 |
20090103260 | PORTABLE ELECTRONIC DEVICE - A portable communication terminal comprises two hollow metal cases extending at its opposite sides along its longitudinal axis. A display unit, an input unit, a microphone and the like are arranged along the longitudinal axis of the terminal, with the metal cases set at their opposite sides, and a resin is applied to the resultant structure to mold the terminal. | 2009-04-23 |
20090103261 | ELECTRONIC DEVICE - An electronic device includes a first main body and a second main body. The first main body includes a first housing, a first magnetic member and a first elastic member. The second main body includes a second housing and a second magnetic member. The second housing is pivotally connected with the first housing. The first elastic member is disposed within the first housing. The first elastic member connecting with the first magnetic member and the first housing makes the first magnetic member floatable within the first housing. The second magnetic member is disposed within the second housing. When the second housing moves close to a surface of the first housing, the magnetic force between the first and second magnetic members is increased, so as to hold the relative position of the first and second main bodies. | 2009-04-23 |
20090103262 | ELECTRONIC APPARATUS - According to one embodiment, an electronic apparatus is provided with first and second heating elements mounted on a circuit board. The first heat pipe includes a first end portion thermally connected to the first heating element and a second end portion thermally connected to a heat radiating section. The second heat pipe includes a first end portion thermally connected to the second heating element, a second end portion thermally connected to the heat radiating section, and a middle portion opposed to the first heating element. A heat conductive member has flexibility and is provided between the middle portion of the second heat pipe and the first heating element so as to thermally connect the middle portion of the second heat pipe to the first heating element. | 2009-04-23 |
20090103263 | Hand-held electric power tool with monitoring of motor temperature - A hand-held electric power tool has a hand-held outer housing ( | 2009-04-23 |
20090103264 | Heat dissipation device and electronic device with the same - A heat dissipation device includes a fan ( | 2009-04-23 |
20090103265 | ELECTRONIC DEVICE - According to one embodiment, an electronic device includes a housing including an opening, a partition wall which partitions an interior part of the housing into a first chamber and a second chamber which is opened to the outside through the opening, first and second heat generating parts mounted in the first chamber, a first heat radiation member located in the second chamber, a heat transfer member which transfers heat generated by the first heat generating part, a cooling fan which draws outside air and exhausts the air against the first heat radiation member, a second heat radiation member which is exposed to the outside of the housing and is thermally connected to the second heat generating part, and a cover covering the opening and the second heat radiation member. The cover forms a gap between the cover and the housing. The gap communicates with the second chamber. | 2009-04-23 |
20090103266 | COOLING SYSTEM EMPLOYING A HEAT EXCHANGER WITH PHASE CHANGE MATERIAL, AND METHOD OF OPERATION THEREOF - A heat exchanger for use, e.g., in a rear door of a server rack in a computer room, made up of pipes clad with a layer of a phase change material, such as a paraffin, so that latent heat is absorbed in the conversion from the solid to the liquid state. Preferably, each pipe in turn is opened by a control valve and chilled coolant flows through the pipe until the phase change material reverts back to the solid state. Then, the control valve is again closed, and the phase change material is further heated by waste heat so that it is melted once more. Preferably, the control valve for only one pipe at a time is opened, so that latent heat is being absorbed by the phase change material around all pipes but one. | 2009-04-23 |
20090103267 | ELECTRONIC ASSEMBLY AND METHOD FOR MAKING THE ELECTRONIC ASSEMBLY - An electronic assembly comprises a generally planar substrate. An electronic component is mounted to the substrate and has a projecting portion projecting above a surface of the substrate. An enclosure has at least one side with indentations. One of the indentations is positioned to receive the projecting portion of the electronic component with a clearance gap. A thermally-conductive material is inserted between the projecting portion and the enclosure within the clearance gap. | 2009-04-23 |
20090103268 | MODULE ASSEMBLY HAVING HEAT TRANSFER PLATE - A module assembly includes a component housing having a plurality of walls forming a cavity. At least one of the walls includes an opening therethrough open to the cavity. The heat transfer plate is mounted within the opening of the component housing and his exposed on an exterior of the component housing. The heat transfer plate forms at least a portion of a mounting surface of the component housing. | 2009-04-23 |
20090103269 | HEAT DISSIPATING DEVICE FOR MEMORY CARD - A heat dissipating device for a memory card includes a first dissipation element and a second dissipation element. The first dissipation element is attached to one side of the memory card for dissipating heat generated by the memory card. The first dissipation element defines a hole at an end thereof. The second dissipation element is attached to the other side of the memory card for dissipating heat generated by the memory card. The second dissipation element includes a hook at an end thereof corresponding to the hole, for hooking the hole to allow the second dissipation element to rotatably connected to the first dissipation element. | 2009-04-23 |
20090103270 | APPARATUS FOR SECURING HEAT SINKS TO A DEVICE UNDER TEST - Apparatus and method for securing a heat sink to a heat-generating device on a circuit board. The apparatus clamps onto the heating-generating device and the circuit board in a manner that avoids bending of the circuit board. The apparatus includes a retention module having a plurality of retention features that extend through openings in the circuit board disposed about the perimeter of the heat-generating device, such as a processor. The apparatus also includes a heat sink having a heat sink base for contacting the heat-generating device in order to dissipate heat produced by the device. The heat sink is selectively securable to the retention features of the retention module using levers, such as a wire module, having a spring clip to engage the retention features and clamp the heat sink and retention module together. | 2009-04-23 |
20090103271 | WALL PLATE ASSEMBLY - A wall plate assembly includes a wall plate with an insertion slot for the installation of a HDMI (High-Definition Multimedia Interface) connector of a HDMI cable and a power plug hole for the insertion of a power plug, a signal amplifier connected to the back side of the wall plate for receiving the installed HDMI connector and amplifying the signal, a support device, which comprises a first support frame vertically adjustably fastened to the wall plate below the insertion slot and a second support frame horizontally adjustably fastened to the first support frame for holding down the installed HDMI connector on the first support frame, and a power connector aimed at the power plug hole for receiving a power plug to provide the signal amplifier with the necessary working voltage. | 2009-04-23 |
20090103272 | DC-DC CONVERTER - A DC-DC converter comprising a soft-magnetic, multi-layer substrate provided with a laminated coil constituted by connecting pluralities of conductor lines, and a semiconductor integrated circuit device comprising a switching device and a control circuit, which are mounted on the soft-magnetic, multi-layer substrate; the semiconductor integrated circuit device comprising an input terminal, an output terminal, a first control terminal for controlling the ON/OFF of the switching device, a second control terminal for variably controlling output voltage, and pluralities of ground terminals; the soft-magnetic, multi-layer substrate comprising first external terminals formed on a first main surface, first connecting wires formed on the first main surface and/or on nearby layers, second connecting wires formed between the side surface of the multi-layer substrate and a periphery of the laminated coil, and second external terminals formed on a second main surface; and terminals of the semiconductor integrated circuit device being connected to the first external terminals on the multi-layer substrate, at least part of the first external terminals being electrically connected to the second external terminals through the first and second connecting wires, and the input or output terminal being connected to the second external terminals via the laminated coil. | 2009-04-23 |
20090103273 | GUIDE RECEPTACLE FOR TANDEM CIRCUIT BOARD MATING - A guide module is provided for connecting a primary circuit board and a secondary circuit board to a common backplane circuit board. The primary and secondary boards are in a tiered arrangement with both the primary and secondary circuit boards having interface connections on the backplane circuit board. The guide module includes a body having a height between opposite top and bottom surfaces. The height of the body establishes a stack height between the primary and secondary boards. Locating elements are formed on the top and bottom surfaces to locate and align the primary and secondary boards with respect to one another. | 2009-04-23 |
20090103274 | WARPAGE PREVENTING SUBSTRATES AND METHOD OF MAKING SAME - Consistent with an example embodiment, there is an apparatus comprising a circuit ( | 2009-04-23 |
20090103275 | Assembly Structure of Flexible Board and Rigid Board - An assembly structure of flexible board and rigid board includes a rigid board, a sub-board and a flexible board. The rigid board defines a locking gap having two side surfaces projecting toward each other to form two resisting portions. The sub-board has a standing portion inserted in the locking gap. Bilateral sides of the standing portion extend outward to form two preventing arms against a bottom surface of the rigid board. The flexible board has a base portion inserted in the locking gap of the rigid board. The base portion has a front surface and a back surface located to a front surface of the sub-board. The front surface of the base portion is against the resisting portions. | 2009-04-23 |
20090103276 | CIRCUIT DEVICE AND METHOD OF MANUFACTURING THE SAME - Provided is a circuit device that allows a plurality of circuit boards, which are stacked each other and arranged in a case member, to be sealed with a resin effectively, and a method of manufacturing the same. In a hybrid integrated circuit device, a first circuit board is overlaid with the second circuit board and both of the boards are fitted into the case member. A first circuit element is arranged on the upper surface of the first circuit board and a second circuit element is arranged on the upper surface of the second circuit board. Furthermore, an opening is provided in a side wall part of the case member, and an internal space of the case member communicates with the outside through this opening. Accordingly, in the resin sealing step, a sealing resin can be injected into the internal space of the case member from the outside through this opening. | 2009-04-23 |
20090103277 | MOUNTING APPARATUS FOR DATA STORAGE DEVICE - A mounting apparatus for a data storage device ( | 2009-04-23 |
20090103278 | Vehicle-mounted display apparatus - A vehicle-mounted display apparatus ( | 2009-04-23 |
20090103279 | Evacuation station with multiple lightstick activation - A chemiluminescent lightstick evacuation station consisting of a wall mountable fixture that stores a plurality of lightsticks that are accessed by opening the fixture cover. The fixture cover is opened by pivoting from a closed position to an open position wherein a lightstick restraint causes the activation of all stored lightsticks so as to facilitate their removal and use during an emergency. One lightstick may be retained in the device by use of restricted movement housing, and all lightsticks may be made to rotate outwardly for ease of access. | 2009-04-23 |
20090103280 | Screen Supporting Device Provided With Screen Illuminating Light Sources - A device for displaying an image has a screen, a support structure with support elements for supporting the screen, and a plurality of light sources. Each support element is in contact with the screen at a contact area. Each light source illuminates an illuminated area on the screen. The light sources are positioned such that illuminated areas generated by light sources adjoining one another are overlapping and thus create an overlapping area. The contact areas between support elements and the screen are superimposed on the overlapping areas. | 2009-04-23 |
20090103281 | BACKLIGHT DEVICE AND DISPLAY DEVICE - In a backlight device, lamp units including cold cathode-ray tubes (straight-tube lamp portions) and inverter circuits (driving circuits) for driving to switch on the cold cathode-ray tubes are arranged along a direction that is substantial perpendicular to a longitudinal direction of the cold cathode-ray tubes. Further, the inverter circuits of the lamp units are disposed separately on one end portion side and other end portion side in the longitudinal direction of the cold cathode-ray tubes. Thereby, even when using the longitudinal cold cathode-ray tubes, brightness on a light emitting surface can be made uniform. | 2009-04-23 |
20090103282 | DISPLAY DEVICE - A display device including a display panel which displays an image and a backlight unit which illuminates a light to the display panel, include the backlight unit with a fixing member fixed on a device casing; a flexible printed circuit substrate which is fixed on the fixing member; and a spacer which is fixed on the flexible printed circuit substrate, wherein the flexible printed circuit substrate in an end part of the display panel is sandwiched between the fixing member and the spacer. | 2009-04-23 |
20090103283 | LIQUID CRYSTAL DISPLAY BACKLIGHT AND LIQUID CRYSTAL DISPLAY DEVICE - To provide a liquid crystal display backlight and a liquid crystal display device, which can improve the heat dissipating effect, can reduce the thickness and weight of the device. The liquid crystal display backlight includes: an emission light guide plate for emitting illuminating light for a liquid crystal display panel from one face; one and other mixed-color light guides mounted on a same plane of other face of the emission light guide plate via a spacer; a heat-dissipating spatial area provided between the mixed-color light guide plates; light-emitting devices disposed within the heat-dissipating spatial area; and reflectors for guiding output light, propagated inside each mixed-color light guide plate, towards corresponding end faces of the emission light guide plate from outside end face of each mixed-color light guide plate. A holding plate for holding the light-emitting devices is provided, facing each mixed-color light guide plate with an airing gap provided therebetween. | 2009-04-23 |
20090103284 | Polymer Composition And Polymer Light-Emitting Device Using Same - Disclosed is a composition containing one or more aromatic ether compounds, one or more compounds having a boiling point of not less than 200° C., and one or more polymers which are charge-transporting or luminescent in a solid state. This composition is characterized in that the compounds having a boiling point of not less than 200° C. are selected from the group consisting of aliphatic compounds which may have a heteroatom, alicyclic compounds which may have a heteroatom, aromatic compounds having two or less substituents and a heterocyclic compounds having two or less substituents. | 2009-04-23 |
20090103285 | STRUCTURE OF OPTOELECTRONIC HANDHOLD - An optoelectronic handhold includes a light-transmitting light emission portion and also has a touch control module, which includes a micro-switch for activating a power source to drive operation of an illuminator. A connection base includes a hollow structure having an end receiving therein the touch control module and coupled to the light-transmitting light emission portion and an opposite end forming a mounting portion for coupling with other structures for firm positioning. When a pull is applied to the handhold, the micro-switch is actuated to have the touch control module activating the illuminator to give off light traveling to and through the light-transmitting light emission portion for providing decoration. | 2009-04-23 |
20090103286 | CONTAINER DEVICE - The container device contains a base member, a circuit member housed inside the base member, and an illuminative member and a storage member, both on top of the base member. The storage member is for holding seasoning or fragrance. The illuminative member has a transparent hollow casing filled with a fluid of appropriate viscosity. The circuit member contains at least a light generating element and a switch element that is turned on and off by touching or shaking the container device. When the container device is touched by hand or shook, the switch element is turned on and the light generating elements are lit to provide illumination through the transparent illuminative member. | 2009-04-23 |
20090103287 | ORNAMENT HAVING AN INTERNAL ELECTRIC LIGHTING ADAPTABLE TO VARIOUS LIGHTING EFFECTS - According to one embodiment, an improved ornament is provided which comprises a light source which produces the lighting effect emulating the lighting from a candle flame. | 2009-04-23 |
20090103288 | Roadway luminaire and methods of use - A lighting apparatus having a base member and a directional member are shown and described. The base member includes a first surface having a plurality of reflective elements extending therefrom. The base member also including a plurality of openings arranged in a pattern. Each openings is configured to receive a respective light source. The directional member has a portion of a reflective surface positioned relative to at least one opening to reflect light radiating from a lighting source disposed within the opening towards a portion of at least one of the reflective elements extending from the base member. | 2009-04-23 |
20090103289 | Portable lamp with light-emitting diodes - A portable lamp comprising an electric power supply module and a lighting module arranged in a triangular architecture. The lighting module comprises a printed circuit on one surface of which at least one LED and a switch are fitted. The top surface of the switch comprises a pushbutton placed against a first surface of the printed circuit. The printed circuit comprises a through hole leaving the pushbutton accessible via a second surface of the printed circuit. | 2009-04-23 |
20090103290 | TELESCOPIC AND BENDABLE ELECTRIC TORCH - A telescopic and bendable electric torch comprise a hollow handle having a shape like a long rod; the handle being formed with a receiving space; a head having a telescopic section and a bendable section; the telescopic section being formed with a plurality of tubes with one tube being received in another tube so as to form as a telescopic structure; the bendable section being installed at one end of the telescopic section without engaging to the lower cover; the bendable section being a bendable soft tube; a front end of the bendable section being installed with an illuminator; and the illuminator including at least one lamp. A magnetic unit is formed at a front end of the head so as to attract objects in operation. The illuminator includes the lamp, a cover and a seat; the at least one battery is located between the cover and seat. | 2009-04-23 |
20090103291 | Portable lighting lamp equipped with a printed circuit card housed in a tightly sealed environment, and method for assembling the lamp - A lighting lamp having an enclosure housing a DC power source and contact parts for connection to a printed circuit card connected with a light-emitting diode. The contact parts comprise first contact elements electrically connected with the power source and second contact elements designed to pass successively through a pair of holes situated in a tight intermediate wall of the enclosure and a through a pair of slots of the card. Soldering of the second contact elements onto the card, in addition to electric connection of the power source, enables a tightly sealed compartment to be achieved in the enclosure around the card. | 2009-04-23 |
20090103292 | IMAGE DISPLAY UNIT - An image display unit and a method of producing the image display unit, wherein the image display unit includes an array of a plurality of light emitting devices for displaying an image, and wherein the method of producing the image display unit employs, for example, a space expanding transfer, whereby a first transfer step includes transferring the devices arrayed on a first substrate to a temporary holding member such that the devices are spaced from each other with a pitch larger than a pitch of the devices arrayed on the first substrate, a second holding step includes holding the devices on the temporary holding member, and a third transfer step includes transferring the devices held on the temporary holding member onto a second board such that the devices are spaced from each other with a pitch larger than the pitch of the devices held on the temporary holding member. | 2009-04-23 |
20090103293 | Illumination Device with Light Emitting Diodes and Moveable Light Adjustment Member - A light emitting device is produced using one or more light emitting diodes within a light mixing cavity formed by surrounding sidewalls. The light emitting device includes a light adjustment member that is movable to alter the shape or color of the light produced by the light emitting device. For example, the light adjustment member may alter the exposure of the wavelength converting area to the light emitted that is emitted by the light emitting diode in the light mixing cavity. Alternatively, the height of a lens may be adjusted to change the width of the beam produced. Alternatively, a movable substrate with areas of different wavelength converting materials may adjustably cover the output port of the light mixing cavity to alter the color point of the light produced. | 2009-04-23 |
20090103294 | LED LAMP WITH A HEAT SINK - An LED lamp includes a first heat sink, a lamp base, a plurality of LED modules, an envelope and a second heat sink. The first heat sink includes a cylinder at a centre thereof and a plurality of fins surrounding the cylinder. The lamp base is secured to a bottom portion of the first heat sink. The LED modules are mounted on the fins of the first heat sink. Each of the LED modules includes a printed circuit board and a plurality of LEDs mounted on the printed circuit board. The envelope is mounted between the lamp base and the second heat sink and encloses the first heat sink and the LED modules therein. The second heat sink has a disc-like configuration, with a bottom connecting portion extending through the envelope to connect with a top portion of the first heat sink. | 2009-04-23 |
20090103295 | LED unit and LED module - A light emitting diode (LED) unit has a pair of substrates, an LED and a pair of brackets. The substrates are separated from and serve respectively as positive and negative electrodes. The LED is mounted on the substrates and has a pair of terminals mounted respectively on the substrates. The brackets serve respectively as positive and negative electrodes, are made of pliable and flexible metal and are mounted respectively on and electrically connected respectively to the substrates. At least one of the brackets serves as at least one three-dimensional (3D) bracket being non-flat. The 3D brackets are easily customized into various configurations by bending or stamping semi-finished 3D brackets to fit internal chambers or cavities of different lights such as vehicle lights. Accordingly, the cost of the LED modules is effectively lowered. | 2009-04-23 |
20090103296 | Illumination Device with Light Emitting Diodes - A light emitting device is produced using a plurality of light emitting diodes within a light mixing cavity formed by surrounding sidewalls. The sidewalls may be integrally formed as part of a surrounding heat sink or alternatively may be an insert into a cavity within a heat sink. The reflective sidewalls may be coated with a diffusing material and/or covered with one or more phosphors. Multiple phosphors are located at different locations of the cavity, e.g., on the sidewalls, a window covering the output port, or on a reflector attached to the bottom of the cavity. The light emitting diodes may be positioned rotationally symmetrically around the optical axis on a board. | 2009-04-23 |
20090103297 | LED ARRAY - In an LED array comprising a plurality of radiation-emitting semiconductor chips each of which has a radiation outcoupling surface, the radiation emitted by the semiconductor chips being outcoupled substantially through said radiation outcoupling surface , and a cover body that is transparent to the emitted radiation, the transparent cover body comprises, on a surface facing toward the radiation outcoupling surfaces of the semiconductor chips, one or more conductive traces made of a conductive material that is transparent to the emitted radiation, and the semiconductor chips each comprise, on the radiation outcoupling surface, at least one electrical contact that is connected to the conductive trace or to at least one of the plurality of conductive traces. At least one luminescence conversion material is contained in the transparent cover body and/or applied in a layer to the cover body and/or the semiconductor chips. | 2009-04-23 |
20090103298 | IMMERSED LEDS - The present invention relates to a LED-array system ( | 2009-04-23 |
20090103299 | OPTIC POSITIONING DEVICE - A device for holding and positioning an optic, such as a refractive lens, over a light source such as a light emitting diode. The refractive lens is frustum-shaped with an upper light-exiting end having an upper rim, a lower light-entering end, and a conical sidewall that tapers from the upper rim to the lower end. The device has a channel including a base and first and second sidewalls extending from the opposed side edges of the base, and further having one or more optic holding positions. The optic holding position includes an aperture formed in the base that is configured to receive the conical sidewall of the optic, and an aperture formed in a portion of each sidewall, adjacent the aperture in the base, for retaining a portion of the upper rim of the optic lens. The aperture can include a slot opening through which a portion of the upper rim of the optic lens at least partially extends. | 2009-04-23 |
20090103300 | LAMP STRUCTURE WITH LOW TEMPERATURE FEATURE - A fluorescent lamp holder combination device includes a main lamp holder and an auxiliary lamp holder set, which is provided with an auxiliary lamp holder. The main lamp holder is internally configured with a multifunction ballast, which is electrically connected to a conducting portion. Each of the conducting portions is electrically connected to a connecting portion of each of the auxiliary lamp holders by means of a set of conducting cables, thereby enabling parallel connection between each of the auxiliary lamp holders using the single multifunction ballast, and achieving the effectiveness to enable the single multifunction ballast to provide stable rectification and energy saving for the auxiliary lamp holders. Furthermore, a starting capacitor and current-limiting inductor can be disposed within each of the auxiliary lamp holders, thereby reducing use-cost of the set of conducting cables while facilitating maintenance of the starting capacitors and the current-limiting inductors. | 2009-04-23 |
20090103301 | Illuminated stationary vehicle with simulated moving parts - A two-wheel vehicle is provided which is secured in stationary position but wherein the front and the rear wheels of the vehicles are provided with a string of lights which twinkle annularly and thus impart the appearance that the wheels are rotating and the vehicle is in motion while in stationary mode. | 2009-04-23 |
20090103302 | Circuit Board Assembly and Backlight Module Comprising the Same - A circuit board assembly and a backlight module comprising the circuit board assembly are provided. The circuit board assembly has a first surface and a second surface opposite to the first surface, and further comprises at least one laminate, a first conductive wiring structure and a coating. The first conductive wiring structure is formed on the first surface. The coating is formed on the coating area of the second surface, wherein the coating can conduct heat and provide electric insulation. Thus, the circuit board assembly is adapted to outwardly conduct heat from the laminate through the second surface and to promote the heat dissipation efficiency of the circuit board assembly. | 2009-04-23 |
20090103303 | INFRARED FILTER SYSTEM FOR FLUORESCENT LIGHTING - A method and apparatus that effectively filters infrared light from fluorescent lighting and that is easily adapted to typical fluorescent lighting and assemblies. A fluorescent lighting fixture includes a cover for filtering the infrared light from a fluorescent light source of the fixture. The cover includes an infrared filter for substantially preventing emission of infrared light from the fluorescent lighting fixture and a protective layer for preventing damage to the infrared filter. | 2009-04-23 |
20090103304 | LIGHT EMITTING DEVICE AND ELECTRONIC APPARATUS - A light emitting device includes: a light emitting element which includes a first electrode layer, a second electrode layer, and a light emitting function layer disposed between the first electrode and the second electrode; a reflection layer which reflects light emitted from the light emitting function layer toward the light emitting function layer; and a translucent semi-reflection layer which is disposed opposite the reflection layer with the light emitting function layer interposed therebetween to reflect some of the light emitted from the light emitting function layer toward the light emitting function layer and to transmit the remainder of the light, wherein the translucent semi-reflection layer has a refractive index of 1 or more. | 2009-04-23 |
20090103305 | HIGH-PRESSURE GAS DISCHARGE LAMP - The invention relates to a high-pressure gas discharge lamp which has at least a lamp bulb ( | 2009-04-23 |
20090103306 | Light It Up - A recreational light system which can be used for any outdoor recreational activity. It consists of collapsible folding members which allows the unit to be easily stowed or transported. An extendable pole to allow for elevated positioning of lighting element(s). A ground fault circuit interrupter and system switch for easy controls and safety protection of lighting system. It includes a metallic reflector assembly to enhance lighting broadcast and heat dissipation. Reflector mounting allows for multi-angle positioning and has easily detachable mounting assembly to for transportation purposes. | 2009-04-23 |
20090103307 | Wireless control lamp structure - A wireless-control lamp structure comprises a lamp and a wireless control module. The wireless control module is connected in signal communication with a power supply portion of the lamp for receiving a wireless control signal and thereby controlling an actuation of the lamp. | 2009-04-23 |
20090103308 | LED LAMP WITH A HEAT SINK - An LED lamp includes a plurality of LED modules, a cone-shaped heat absorbing member, a heat sink and an envelope. The heat absorbing member comprises a plurality of heat absorbing portions. Each of the heat absorbing portions has a configuration like a triangular pyramid and comprises a sector base and an inclined surface extending from an edge of the sector base to a single apex. Each of the LED modules is attached on a corresponding inclined surface. The heat sink thermally connects with the heat absorbing member. The envelope is mounted below the heat sink and engages with the heat sink to enclose the heat absorbing member and the LED modules therein. Heat generated by the LED modules is first absorbed by the heat absorbing member and then dissipated to ambient air through the heat sink. | 2009-04-23 |
20090103309 | SAFE LIGHT EMITTING DEVICE - A safe light emitting device includes a reflective housing with an open end, a support coupled to the reflective housing, a holder, and a lamp. The holder is positioned on the support and is remote from the open end of the reflective housing. The lamp includes a bulb and a connector connecting the bulb to the holder. The bulb defines a concavity in an outer surface thereof. | 2009-04-23 |
20090103310 | Light Emitting Diode Illumination Device Capable of Providing Uniformly Polarized Light - A LED illumination device includes a tapered light guiding member, a LED, a reflective polarizer and a quarter-wave retarder. The light guiding member includes a light input surface and an opposite light output surface. The LED includes a LED chip and a reflective substrate on which the LED chip is mounted. The LED chip faces toward the light input surface. The reflective polarizer faces toward the light output surface, and allows a first polarization light to pass therethrough and reflects a second polarization light back into the light guiding member. The quarter-wave retarder is provided between the LED and the reflective polarizer. The reflective substrate reflects the second polarization light reflected by the reflective polarizer so as to make the second polarization light convert into the first polarization light after the light passes through the quarter-wave retarder a plurality of times. | 2009-04-23 |
20090103311 | Diffuser plate, method for manufacture thereof, and backlight module and liquid crystal display using the same - An exemplary diffuser plate includes a diffuser film. The diffuser film includes a plurality of diffusion particles distributed therein. A refractive index of the outer shell of each diffusion particle exceeds that of the inner surface of each diffusion particle. | 2009-04-23 |
20090103312 | Light Emitting Plate - A light emitting plate. The plate includes a circular planar member, a plurality of light emitting devices, a control module, a light sensor module, a power module, and a decorative layer. The cylindrical planar member is cylindrical in shape with a cylindrical cavity having a low aspect ratio through its top surface. The light emitting devices are visible through the top surface of the circular planar member. The control module controls an activation status of the light emitting devices. The light sensor module provides a signal to the control module, wherein the signal is indicative of a light level. The power module comprises a battery and a power cord and provides power to the light emitting devices. The decorative layer decorates the top surface of the circular planar member. | 2009-04-23 |
20090103313 | COVER DEVICE FOR COMPACT FLOURESCENT LAMPS - A device for enhancing the appearance of a compact fluorescent lamp (CFL) and changing the optical properties of light emitted by the CFL is provided. The device for a compact fluorescent lamp (CFL) includes a cover configured for obscuring the compact fluorescent lamp; and an attachment mechanism configured for coupling the cover to the compact fluorescent lamp by engaging an inner surface of the compact fluorescent lamp. The attachment mechanism includes at least two resilient fingers for engaging at least two spaced apart inner surfaces of the compact fluorescent lamp. | 2009-04-23 |
20090103314 | SYSTEM AND METHOD FOR PROVIDING DECORATIVE FLUOREXCENT LIGHT FIXTURES - An apparatus for covering a ceiling light fixture with a flexible sheet having two opposing sides that define tubular passageways that each receive one of a pair of elongated rods and a plurality of fixation devices selectively attached to edge portions of the sheet and secured to a portion of a ceiling, whereby the sheet is suspended from the ceiling in covering relation to the ceiling light fixture. A method of covering a ceiling fixture is disclosed. | 2009-04-23 |
20090103315 | LUMINAIRE HAVING A FIBEROPTIC ELEMENT AND AT LEAST ONE DIFFUSSOR ARRANGED LATERALLY WITH RESPECT THERTO - The invention concerns a luminaire having a housing, which at the emission side of the luminaire has a housing opening, having, situated in the housing, connection means for at least one lamps which define the position thereof in the housing, having a light guiding element which is so positioned that, in the main emission direction, it is located in front of the lamp to be used, and having at least one diffuser arranged at the side neighbouring the light guiding element, which has a shaping projecting beyond the edges of the housing, having a flank rising towards the light guiding element. In order to improve the light guiding and/or light emission of the diffuser, the shaping has further a flank falling towards the light guiding element. | 2009-04-23 |
20090103316 | CHASSIS FOR A LIGHT SOURCE UNIT, A LIGHT SOURCE UNIT INCLUDING THE CHASSIS, AND A DISPLAY DEVICE INCLUDING THE CHASSIS - To provide a chassis for a light source unit, a light source unit including the chassis, and a display device including the chassis, the chassis being capable of holding a light source placed on the chassis so as to prevent the light source from falling off the chassis without attaching side holders to the chassis. A backlight chassis | 2009-04-23 |
20090103317 | Portable service light - A portable lamp including at least one light source and a body having a generally symmetrical bowl-like inner surface and a rim on said inner surface, said rim extending about a central axis that is perpendicular to a plane intersecting said rim, said light source being supported in said body to project a beam away from said inner surface such that the light beam is directed at an angle to the central axis and through said rim of the body, whereby the direction of the beam beyond said rim may be controlled by rotating said body about the central axis and effectively scanning the beam in a cone-like pattern extending outward of said rim. The body is constructed as a suction holding device by having at least the immediate edge of the body surrounding the rim made of a flexible material so the rim can then be pressed against a substantially rigid window pane or the like supported in a window of a structure, to create a negative pressure sufficient to hold the lamp on the pane. The interior surface of the dome-like part of the body may be light reflective to function as a reflector and assisting in directing emitted light. | 2009-04-23 |
20090103318 | Suspension bracket for lighting fixtures - A suspension bracket for a lighting fixture of the type used in residential or commercial buildings. The bracket provides a center mounting point for a shade while allowing a lighting element to be positioned in the center of the fixture, rather than to the side of the shade mounting point. | 2009-04-23 |
20090103319 | APPARATUS AND METHOD FOR DETERMINING ROLL ANGLE OF A MOTORCYCLE - An apparatus for determining roll angle of a motorcycle ( | 2009-04-23 |
20090103320 | CROSS BIN ILLUMINATION SYSTEM - An illumination system for an aircraft passenger cabin has a first illumination source positioned between a ceiling structure and a first row of stowage bins. A first light direction assembly is positioned between the ceiling structure and the first row of stowage bins. The first light direction assembly is used to direct emitted light from the first illumination source onto a face of a luggage bin of a second row of stowage bins. A second light direction assembly is also positioned between the ceiling structure and the first row of stowage bins and is used to direct emitted light from the first illumination source into a passenger cabin. A second illumination source is positioned between the ceiling structure and the first row of stowage bins to illuminate the ceiling structure. | 2009-04-23 |
20090103321 | VEHICLE HEADLIGHT - The present invention relates to a headlight ( | 2009-04-23 |
20090103322 | Tri-bar headlight assembly with interchangeable colored dots - A motor-vehicle headlight assembly which has an interchangeable colored translucent cup centered over the light source by a three linear member housing. The headlight assembly also has a region of its lens colored differently with a reflective enclosure behind it wherein a signal light resides. This allows the installer to change both the look of the headlight and the color of the center most region of the light beam emitted from the headlight. | 2009-04-23 |
20090103323 | VEHICULAR HEADLAMP UNIT - A vehicular headlamp unit using a light-emitting element as a light source includes a projection lens arranged on an optical axis that extends in a vehicle longitudinal direction, and first and second light source units arranged rearward of the projection lens. The first light source unit includes a first light-emitting element arranged in a vicinity of the optical axis further rearward than a rear-side focal point of the projection lens, a first reflector arranged so as to cover the first light-emitting element from above and structured so as to reflect light from the first light-emitting element forward toward the optical axis, and a first mirror component having an upward-facing reflective surface that extends rearward generally along the optical axis from a vicinity of the rear-side focal point so as to reflect a portion of the reflected light from the first reflector upward. The second light source unit includes a second mirror component including a downward-facing reflective surface that extends diagonally downward toward a lamp rear side from a front end edge of the upward-facing reflective surface, a second light-emitting element arranged on the second mirror component facing forward and diagonally downward below the optical axis, a second reflector structured so as to reflect light from the second light-emitting element upward and generally converge such light at a region in a vicinity of the rear-side focal point on the downward-facing reflective surface, and a third reflector arranged downward of the second light-emitting element which reflects light from the second light-emitting element forward so that such light passes through a lower space of the projection lens. | 2009-04-23 |
20090103324 | ELECTRICAL SUPPLY DEVICE FOR A DISCHARGE LAMP COMPRISING BALLAST SHIELDING - An electrical supply device for a discharge lamp of a motor vehicle headlight that comprises: an electronic module for converting source electric current into supply electric current for the discharge lamp; a housing that encloses the electronic module and is produced from an electrically conductive material so as to form electromagnetic shielding; an electrical connection harness that is intended to electrically connect the electronic conversion module with the discharge lamp; an envelope produced from an electrically conductive material that surrounds the connection harness so as to form electromagnetic shielding; the housing and envelope being electrically connected to a common reference electrical potential (−); wherein the housing and the envelope are connected in parallel to the common reference electrical potential (−). | 2009-04-23 |
20090103325 | Traffic signal having a uniform light surface - A LED signal ( | 2009-04-23 |
20090103326 | DISPLAY DEVICE HAVING LIGHT GUIDE UNIT - A light guide unit for a point light source includes a light incident portion, a first reflecting portion and a second reflecting portion. The light emitted from the point light source enters to the light incident portion. The light incident portion includes an optical pattern diffusing an incident light corresponding to the point light source. The first reflecting portion reflects a first light of the incident light. The second reflecting portion roundly connects the first reflecting portion to the light incident portion and reflects a second light of the incident light. | 2009-04-23 |
20090103327 | LIGHT GUIDE PLATE - The light guide plate includes a rectangular light exit plane, a light entrance plane containing one side of the light exit plane, and a rear plane located on the side opposite from the light exit plane and scattering particles for scattering light propagating inside the light guide plate dispersed therein. The light guide plate has two layers, a first layer located on the side closer to the light exit plane and having a first particle density of the scattering particles, and a second layer located on the side opposite from the light exit plane and having a second particle density that is greater than the first particle density of the first layer. Npo and Npr satisfy Npo2009-04-23 | |
20090103328 | PLANAR LIGHTING DEVICE - The planar lighting device includes a light guide plate including two symmetrical, inclined planes increasingly distanced from the light exit plane with the increasing distance from the light entrance planes toward the center, a curved portion joining the inclined planes, and scattering particles dispersed therein; light sources; a housing; a securing unit securing the light sources and light guide plate to keep their distance constant, and a sliding mechanism allowing the securing unit to slide. Distance between the light entrance planes, thicknesses at the light entrance planes and at the central curved portion, its radius of curvature and taper of the inclined planes are all held within respective given ranges as well as scattering particle diameter and density, light use efficiency and middle-high ratio of the brightness distribution. A thin planar lighting device yielding high light use efficiency with a minimized brightness unevenness and a high-in-the-middle brightness distribution. | 2009-04-23 |
20090103329 | Combination of electrical socket and night lamp - An electrical device is formed by a combination of an electrical socket and a night lamp and includes a housing, a circuit board, at least one light-emitting diode, at least one socket, a sensor and a panel. The circuit board and the at least one socket are arranged inside the housing. The circuit board is electrically connected to an external power source and is also electrically connected to the at least one light-emitting diode and the sensor so that the sensor is electrically connected to the at least one light-emitting diode via the circuit board to form a circuit. The panel is releasably mounted to the housing and forms an opening corresponding to each of the at least one socket to expose the socket. | 2009-04-23 |
20090103330 | Light Fixture For Low Voltage Rail - A light fixture for use with a low-voltage rail is provided. The light fixture may include a rail connector, adapted to connect mechanically and electrically to the low-voltage rail, a ballast, adapted to convert power supplied by the low-voltage rail to a power suitable to illuminate a line voltage gas discharge bulb; and a low-voltage coupling, electrically and mechanically coupling the rail connector to the ballast. In one example, the ballast is located apart from the rail connector. The light fixture may further include a line voltage fluorescent bulb or compact fluorescent (CFL) bulb coupled to the ballast. In these examples, the ballast is further adapted to convert power supplied by the low-voltage rail to a power suitable to illuminate the line voltage fluorescent bulb. In another example, the light fixture may be equipped with a line voltage HID bulb coupled to the ballast, with the ballast being further adapted to convert power supplied by the low-voltage rail to a power suitable to illuminate the line voltage HID bulb. | 2009-04-23 |
20090103331 | Incandescent and LED Light Bulbs and Methods and Devices for Converting Between Incandescent Lighting Products and Low-Power Lighting Products - An irreversible electrical base for irreversibly converting an incandescent lighting product to a low-power lighting product is provided. Various methods of converting an incandescent lighting product to a low-power lighting product and converting a low-power lighting product to an incandescent lighting product, are provided. Various non-threaded incandescent light bulbs, non-threaded halogen incandescent light bulbs, and non-threaded LED-based light bulbs are provided. A keyless lighting fixture having an insert and twist connector is provided. | 2009-04-23 |
20090103332 | CHARGING PROBE CIRCUIT - Various example embodiments are disclosed. According to one example embodiment, a charging probe may include an alternating current (AC) input configured to receive current from an AC source, a rectifier circuit configured to rectify the current received from the AC source, a primary coil, and a control circuit configured to convert the rectified current into a regulated voltage across a primary coil. The primary coil may be configured to induce a magnetic field from the regulated voltage. | 2009-04-23 |
20090103333 | CIRCUIT ARRANGEMENT AND METHOD FOR CONVERTING AN ALTERNATING VOLTAGE INTO A RECTIFIED VOLTAGE - A circuit arrangement for converting an alternating voltage (U-IN) into a rectified voltage (U-OUT) comprises a first transistor ( | 2009-04-23 |
20090103334 | Switching-type power-supply unit and a method of switching in power-supply unit - A switching-type power-supply which enables the switching with little power loss and a method of switching the switching-type power-supply are provided. The switching-type power-supply unit includes a transformer with primary, secondary, winding and control windings, a switch which switches supply of a primary current from a dotted terminal to a non-dotted terminal through the primary winding, a rectifying diode connected the secondary winding, a monitoring signal generation circuit with a diode and a resistor, the diode between GND and a dotted terminal of the control winding, the resistor between GND and a non-dotted terminal of the control winding, the monitoring signal generation circuit generating a monitoring signal at the dotted terminal of the control winding, and a control unit with a zero-point detector and a controller. The zero-point detector monitoring the monitoring signal and supplying a detection signal to the controller. The controller determining on-timing of the switch based on the detection signal supplied from the zero-point detector. | 2009-04-23 |
20090103335 | OVERCURRENT-PROTECTED SWITCHING-MODE POWER SUPPLY - A DC-to-DC converter having an active switch connected between a pair of DC input terminals via the primary winding of a transformer whose secondary winding is connected to a pair of DC output terminals via a rectifying and smoothing circuit. Operating under the control of an output voltage detector circuit, a switch control signal generator rapidly turns the active switch on and off so as to keep the DC output voltage constant. For overcurrent protection, a current detect resistor is connected in series with the active switch for providing an uncorrected current detect signal indicative of the current flowing through the active switch. An overcurrent protector generates, in response to a clocked ramp voltage, a correction voltage which builds up with time during each conducting period of the active switch. The correction voltage is subtracted from the uncorrected current detect signal to provide a corrected current detect signal. The switch control signal generator is caused to turn off the active switch when the corrected current detect signal rises to an overcurrent threshold. | 2009-04-23 |
20090103336 | CONTROL APPARATUS - The present invention provides a control apparatus for detecting an early stage short circuit between the terminals of an electrolytic capacitor, and detecting a short circuit between a load that is connected in parallel to the electrolytic capacitor, the apparatus performing appropriate processing before an adverse effect is inflicted on peripheral equipment. In the control apparatus, microcomputers switch on a second relay; an electrolytic capacitor is gradually charged via a current-limiting resistor; a first voltage detection control for detecting a voltage between terminals of the electrolytic capacitor is performed when a first set time period has elapsed after the second relay has been switched on; and a second voltage detection control for detecting a voltage between the terminals of the electrolytic capacitor is performed when a second set time period, which is longer than the first set time period, has elapsed after the second relay has been switched on. | 2009-04-23 |
20090103337 | METHOD AND APPARATUS TO REDUCE THE VOLUME REQUIRED FOR BULK CAPACITANCE IN A POWER SUPPLY - A driver circuit included in a power supply having a rectifier coupled to a single phase AC input voltage is disclosed. An example driver circuit includes a drive signal generator to generate a drive signal to be coupled to a variable impedance element. A voltage sensor is coupled to the drive signal generator and is to be coupled to sense a voltage across a high voltage capacitance. The driver circuit is to be coupled to control the variable impedance element in response to the voltage sensor. A low voltage capacitance is allowed to receive current from the input if the sensed voltage is less than a second threshold value. The low voltage capacitance is prevented from receiving current from the input if the sensed voltage is greater than a first threshold value. | 2009-04-23 |
20090103338 | SWITCHING POWER SOURCE APPARATUS - A switching power source apparatus includes a switching element connected through a primary winding of a transformer to a voltage terminal of a DC input voltage, a rectifying-smoothing circuit to rectify and smooth a voltage induced by a secondary winding of the transformer and provide a DC output voltage, a control circuit for controlling ON/OFF of the switching element, and a delay circuit to generate a predetermined delay time. The control circuit detects the DC input voltage, starts a switching operation of the switching element if the DC input voltage has increased to or above a threshold value, and stops the switching operation of the switching element if the DC input voltage is lower than the threshold value and that a period during which the DC input voltage is continuously lower than the threshold value has reached the predetermined delay time. | 2009-04-23 |
20090103339 | Method for Operating an Inverter - A method for operating an inverter for converting direct voltage into alternating voltage, having two direct-voltage terminals and two alternating-voltage terminals, between which a plurality of power switching elements clocked at high-frequency are connected. The high-frequency clocking of the power switching elements of the inverter is switched off around a zero transition of the alternating voltage for a period which depends on the direct voltage present at the direct-voltage terminals of the inverter and/or the output power of the inverter, so that no current is generated in time intervals with a poor efficiency at the alternating-voltage terminals of the inverter. | 2009-04-23 |
20090103340 | Inverter, more specifically for photovoltaic plants - On an inverter ( | 2009-04-23 |
20090103341 | Integrated bi-directional converter for plug-in hybrid electric vehicles - This invention relates to a power module for a plug-in hybrid electric vehicle including an integrated converter having a rectifier changing AC to DC, a DC/DC converter changing from a first voltage to a second voltage, and a battery storing electrical energy. The integrated converter operates in three modes 1) AC plug-in charging mode, 2) boost mode supplying power from the battery to the electrical bus and 3) buck mode supplying power from the electrical bus to the battery. The integrated converter utilizes the same single inductor during each of the three operating modes to reduce cost and weight of the system. | 2009-04-23 |
20090103342 | SILICON-CONTROLLED RECTIFIER WITH A HEAT-DISSIPATING STRUCTURE - A silicon-controlled rectifier with a heat-dissipating structure has a heat sink, a silicon-controlled rectifying assembly, an outer contact assembly, a gate-contact assembly and a clamp. The heat sink is electrically and thermally conductive and has an inner contact surface and multiple fastener holes being formed in the flat surface around the inner contact surface. The silicon-controlled rectifying assembly is mounted on the inner contact surface and has a silicon-controlled rectifying device having a gate. The outer contact assembly is mounted on the silicon-controlled rectifying device. The gate-contact assembly is mounted against the gate of the silicon-controlled rectifying device. The clamp is mounted on the outer contact assembly and screwed to the fastener holes around the inner contact surface of the heat sink, connects to the heat sink and holds the outer contact assembly and the silicon-controlled rectifying assembly. | 2009-04-23 |
20090103343 | Semiconductor memory device comprising transistor having vertical channel structure - A semiconductor memory device including a transistor having a vertical channel structure is provided. The device comprises a first sub memory cell array comprising a first memory cell connected to a first bit lines and comprising a transistor having a vertical channel structure, a second sub memory cell array comprising a second memory cell connected to a first inverted bit lines and comprising a transistor having a vertical channel structure, and a plurality of precharge blocks. In addition, first and second precharge blocks are disposed at first and second sides of the first bit line and precharge the first bit line, and third and fourth precharge blocks are disposed at first and second sides of the first inverted bit line and precharge the first inverted bit line. | 2009-04-23 |
20090103344 | MEMORY MODULE, SYSTEM AND METHOD OF MAKING SAME - A memory module, system and method of making the same includes a memory module including a plurality of memory devices having a first portion of memory devices cooperatively forming a first rank of memory devices and a second portion of memory devices cooperatively forming a second rank of memory devices. The first and second portions of memory devices are grouped into a plurality of memory device stacks, wherein each of the plurality of memory device stacks includes at least one of the plurality of memory devices coupled to a first portion of the plurality of DQ signals and at least another one of the plurality of memory devices coupled to a different second portion of the plurality of DQ signals. | 2009-04-23 |
20090103345 | Three-dimensional memory module architectures - Various embodiments of the present invention are directed to stacked memory modules. In one embodiment of the present invention, a memory module comprises at least one memory-controller layer stacked with at least one memory layer. Fine pitched through vias (e.g., through silicon vias) extend approximately perpendicular to a surface of the at least one memory controller through the stack providing electronic communication between the at least one memory controller and the at least one memory layers. Additionally, the memory-controller layer includes at least one external interface configured to transmit data to and from the memory module. Furthermore, the memory module can include an optical layer. The optical layer can be included in the stack and has a bus waveguide to transmit data to and from the at least one memory controller. The external interface can be an optical external interface which interfaces with the optical layer. | 2009-04-23 |
20090103346 | SEMICONDUCTOR DEVICE - There is provided a semiconductor storage device having a memory cell including a transfer transistor, a load transistor and a drive transistor, which includes a first transfer transistor to become conductive by a potential applied to a first word line placed in parallel with a pair of bit lines, a second transfer transistor to become conductive by a potential applied to a second word line placed orthogonal to the pair of bit lines, and a control circuit to output a control signal for controlling the potentials of the first word line and the second word line in such a way that the first transfer transistor becomes conductive earlier than the second transfer transistor when setting both of the first transfer transistor and the second transfer transistor to a conductive state. | 2009-04-23 |
20090103347 | SEQUENCE OF CURRENT PULSES FOR DEPINNING MAGNETIC DOMAIN WALLS - A method and structure for depinning a domain wall that is in spatial confinement by a pinning potential to within a local region of a magnetic device. At least one current pulse applied to the domain has a pulse length sufficiently close to a precession period of the domain wall motion and the current pulses are separated by a pulse interval sufficiently close to the precession period such that: the at least one current pulse causes a depinning of the domain wall such that the domain wall escapes the spatial confinement; and each current pulse has an amplitude less than the minimum amplitude of a direct current that would cause the depinning if the direct current were applied to the domain wall instead of the at least one current pulse. The pulse length and pulse interval may be in a range of 25% to 75% of the precession period. | 2009-04-23 |
20090103348 | 2T/2C FERROELECTIC RANDOM ACCESS MEMORY WITH COMPLEMENTARY BIT-LINE LOADS - The signal margin of a small array 2T/2C memory is increased by writing the ferroelectric load capacitors on the bit lines to complementary states. A ferroelectric memory array includes rows and columns of 2T/2C memory cells, wherein each column of the memory array includes a first memory subcell having a first node coupled to a word line, a second node coupled to a first bit line, and a third node coupled to a first plate line, the first memory cell being poled in a first direction; a second memory subcell having a first node coupled to the word line, a second node coupled to a second bit line, and a third node coupled to the first plate line, the second memory cell being poled in a second direction; a first load subcell having a first node coupled to the word line, a second node coupled to the first bit line, and a third node coupled to a second plate line, the first load cell being poled in the first direction; and a second load subcell having a first node coupled to the word line, a second node coupled to a second bit line, and a third node coupled to the second plate line, the second load cell being poled in the second direction. | 2009-04-23 |
20090103349 | SEMICONDUCTOR MEMORY DEVICE - A first memory cell array includes a first bit line and a second bit line arranged to read data out of a memory cell containing a ferroelectric capacitor. A second memory cell array includes a third bit line and a fourth bit line arranged to read data out of a memory cell containing a ferroelectric capacitor. A sense amp circuit detects and amplifies a potential difference caused between any two of the first through fourth bit lines. A decoupling circuit selectively connects any two of the first through fourth bit lines to the sense amp circuit and decouples the remainder from the sense amp circuit. A bit-line potential control circuit is arranged between the decoupling circuit and the first and second memory cell arrays to fix the bit lines decoupled from the sense amp circuit by the decoupling circuit to a first potential. | 2009-04-23 |
20090103350 | Method of Testing an Integrated Circuit, Method of Manufacturing an Integrated Circuit, and Integrated Circuit - According to one embodiment of the present invention, a method of testing a memory device including a memory cell array is provided, the method including: dividing the memory cell array into a plurality of memory cell array subunits, each memory cell array subunit including a plurality of resistivity changing memory cells; simultaneously testing all resistivity changing memory cells of a memory cell array subunit using a common testing signal; and repeating the testing for all further memory cell array subunits. | 2009-04-23 |
20090103351 | Integrated Circuit, Method of Manufacturing an Integrated Circuit, and Memory Module - According to one embodiment of the present invention, an integrated circuit includes at least one memory device including: a reactive electrode layer, an inert electrode layer, and a solid electrolyte layer being disposed between the reactive electrode layer and the inert electrode layer; at least one interface layer being disposed between the solid electrolyte layer and the reactive electrode layer and/or between the solid electrolyte layer and the inert electrode layer. The material parameters of the at least one interface layer are chosen such that a crystallization of the solid electrolyte layer is at least partially suppressed. | 2009-04-23 |
20090103352 | DRAM including a reduced storage capacitor - A reduced storage capacitor is used for shrinking a memory cell in DRAM, and local bit line is divided into short line for reducing parasitic capacitance. For reading, a first reduced swing amplifier as a local sense amp reads the memory cell through the local bit line, and a second reduced swing amplifier as a global sense amp reads the local sense amp through a global bit line. With the multi-stage sense amps, time domain sensing scheme is realized such that a voltage difference in the local bit line is converted to a time difference, for differentiating high data and low data, and also fast read operation is realized. And write operation is executed by a reduced swing write driver. With reduced voltage swing, pseudo negative word line scheme is realized for retaining data, and power consumption is reduced. In addition, various alternative circuits and memory cell structures are implemented. | 2009-04-23 |
20090103353 | SEMICONDUCTOR MEMORY DEVICE - Conductive lines constituting word lines of memory cells and conductive lines constituting memory cell plate electrodes are formed in the same interconnecting layer in a memory device including a plurality of memory cells each including a capacitor for storing data in an electrical charge form. By forming the capacitors of the memory cells into a planar capacitor configuration, a step due to the capacitors is removed. Thus, a dynamic semiconductor memory device can be formed through CMOS process, and a dynamic semiconductor memory device suitable for merging with logic is achieved. Data of 1 bit is stored by two memory cells, and data can be reliably stored even if the capacitance value of the memory cell is reduced due to the planar type capacitor. | 2009-04-23 |
20090103354 | Ground Level Precharge Bit Line Scheme for Read Operation in Spin Transfer Torque Magnetoresistive Random Access Memory - Systems, circuits and methods for read operations in Spin Transfer Torque Magnetoresistive Random Access Memory (STT-MRAM) are disclosed. A plurality of bit cells, each coupled to one of a plurality of bit lines, word lines and source lines are provided. A plurality of precharge transistors corresponding to one of the plurality of bit lines are configured to discharge the bit lines to ground prior to a read operation. | 2009-04-23 |
20090103355 | Nonvolatile semiconductor memory and data programming/erasing method - A nonvolatile semiconductor memory comprises: a semiconductor substrate; a first gate electrode formed on a surface of the semiconductor substrate through a first gate insulating film; a second gate electrode formed on the surface of the semiconductor substrate through a second gate insulating film and being adjacent to the first gate electrode through an insulating film; a charge trapping film formed at least in a trap region surrounded by the semiconductor substrate, the first gate electrode and the second gate electrode; and a tunnel insulating film formed between the charge trapping film and the second gate electrode. In one of programming and erasing, electrons are injected into the charge trapping film from the second gate electrode through the tunnel insulating film by Fowler-Nordheim tunneling. | 2009-04-23 |
20090103356 | NON-REAL TIME REPROGRAMMING OF NON-VOLATILE MEMORY TO ACHIEVE TIGHTER DISTRIBUTION OF THRESHOLD VOLTAGES - A set of non-volatile storage elements undergoes initial programming, after which a reprogramming, with higher verify levels, is performed in non-real time, such as when a control enters a standby mode, when no other read or write tasks are pending. The reprogramming can program pages in the set one at a time, stopping at a page boundary when another read or write task is pending, and restarting when the control become available again. Status flags can be provided to identify whether a page and/or the set has completed the reprogramming. In another aspect, a higher pass voltage is applied to unselected word lines during the reprogramming. In another aspect, an error count is determined using a default set of read voltages, and an alternative set of read voltages is selected if the count exceeds a threshold. | 2009-04-23 |
20090103357 | FAST SINGLE PHASE PROGRAM ALGORITHM FOR QUADBIT - Methods of rapidly programming a wordline of multi-level flash memory cells comprising memory cell element-pairs having three or more data levels per bit or element corresponding to three or more threshold voltages are provided. An interactive program algorithm rapidly programs the elements of the wordline of memory cells in a learn phase and a single core programming phase. In one embodiment, each wordline comprises learn element-pairs first programmed to provide learn drain voltages for programming core element-pairs along the wordline having the same program pattern of data levels. A set comprising one or more program patterns is chosen to correspond with each program level used on the wordline. The learn element-pairs are programmed to determine a learned program drain voltage for each program level. This learned program drain voltage essentially provides a wordline and program level specific program characterization of the Vd required for the remaining elements of that wordline. | 2009-04-23 |
20090103358 | REDUCING PROGRAMMING ERROR IN MEMORY DEVICES - A method for storing data in an array ( | 2009-04-23 |