19th week of 2010 patent applcation highlights part 29 |
Patent application number | Title | Published |
20100118481 | ELECTRONIC DEVICE WITH SUPPORT MEMBER - An electronic device includes a main body, two pivot shafts, a cover rotatably connected to the main body via the pivot shafts, and two supporting members extending from a side of the cover and connected to the main body. Each supporting member has a supporting surface. A distance between the supporting surface and an axis of the pivot shaft is larger than a distance between a bottom surface of the main body and the axis of the pivot shaft. | 2010-05-13 |
20100118482 | SYSTEM INCLUDING A PLURALITY OF ENCAPSULATED SEMICONDUCTOR CHIPS - A solid state drive is disclosed. The solid state drive includes a circuit board having opposing first and second surfaces. A plurality of semiconductor chips are attached to the first surface of the circuit board of the solid state drive, and the plurality of semiconductor chips of the solid state drive include at least one memory chip that is at least substantially encapsulated in a resin. An in-line memory module-type form factor circuit board is also disclosed. The in-line memory module-type form factor circuit board has opposing first and second surfaces. A plurality of semiconductor chips are attached to the first surface of the in-line memory module-type form factor circuit board, and these semiconductor chips include at least one memory chip that is at least substantially encapsulated in a resin. | 2010-05-13 |
20100118483 | Storage Control Apparatus - A storage unit | 2010-05-13 |
20100118484 | Storage Control Device - With the storage control device of the present invention, it is possible to mount a larger number of storage devices and to cool them effectively. A plurality of sub-storage units are provided within one storage unit. Each sub-storage unit includes a plurality of hard disk drives, a plurality of enclosures, and a plurality of power supply devices. A cover is divided into a front cover which covers over the front side of a case, and a rear cover which covers over the rear side of the case. Shield portions are provided on the upper sides of the hard disk drives and the enclosures. By these shield portions contacting the adjacent modules (other disk drives and other enclosures), it is possible to reduce the negative influence upon cooling air draft passages within the case, even when a cover has been removed. | 2010-05-13 |
20100118485 | DOCKING STATION FOR HAND HELD ELECTRONIC DEVICES - A docking system is disclosed. The docking system includes a single docking station and a plurality of inserts that are placed in the docking station so that the docking station can accommodate hand held devices with differing sizes and shapes. The docking system is configured with a docking station and insert that matingly engage with one another via a rotating action. The docking system is also configured with a latching retention mechanism that secures the insert to the docking station when the insert is rotated into engagement with the docking station. | 2010-05-13 |
20100118486 | HEAT-DISSIPATION APPARATUS FOR COMPUTER HOST - A heat-dissipation apparatus for a computer host is provided, particularly a heat-dissipation apparatus disposed on the housing, wherein a fan module and a plurality of lighting components are included. In one embodiment, a flexible circuit board is interconnected therebetween, and disposed surrounded the framework of the fan module. Users may utilize a control switching module to control the fan module and the lighting components. | 2010-05-13 |
20100118487 | PORTABLE ELECTRONIC DEVICE - A portable electronic device has a lower body, an upper body, and a moving assembly installed between the parts. The moving assembly has a lower base fixed to the lower body, a middle base pivoted to the lower base along a first axis, and an upper base pivoted to the middle base along a second axis that is substantially paralleled to the first axis and slidably connected to the upper body. | 2010-05-13 |
20100118488 | SOLAR INVERTER CABINET ARCHITECTURE - A cabinet for a solar power inverter is described. A solar power inverter receives DC current from a solar panel and transforms the DC current into AC current. To cool the inverter equipment, an air inlet receives ambient air drawn into the cabinet by an air pressurizer. The ambient air is urged into a pressurized air plenum, from which two ports channel the air into at least two air paths to flow over the equipment in the cabinet. The equipment in the cabinet is arranged such that the air passes over more heat-sensitive equipment before reaching less heat-sensitive equipment. The equipment in the cabinet can be separated by grounded, metal walls to contain and diminish electromagnetic interference. The equipment may be accessed from a single, front side of the cabinet. | 2010-05-13 |
20100118489 | Tray-type structure device - A tray-type structure device includes a side plate, a front plate attached to a forward end of the side plate, having the functions of opening and closing, and positioned on the front side of a housing, a top plate attached to an upper end of the side plate, with a plurality of openings formed therein, and having the function of variably setting a ventilation resistance, a bottom plate attached to a lower end of the side plate, with a plurality of openings formed therein, and having the function of variably setting a ventilation resistance, and a back plate attached to a rearward end of the side plate, having the functions of opening and closing, and positioned on a side of the housing toward a backboard. The device has a tray structure having a tray-like shape formed by the front plate, top plate, bottom plate, side plate and back plate. | 2010-05-13 |
20100118490 | AIRFLOW CONTROL SYSTEM - A method according to one embodiment may include providing a baffle assembly comprising at least one airflow control zone with an airflow resistance. The method of this embodiment may also include positioning said baffle assembly in a flow of air through a chassis. Of course, many alternatives, variations, and modifications are possible without departing from this embodiment. | 2010-05-13 |
20100118491 | PORTABLE HIGH-VOLTAGE TEST INSTRUMENT WITH HOUSING - A portable high-voltage test instrument comprises an electronic unit having means for producing a test voltage located in the kV range, a control area cooperating with the electronic unit, at least one terminal for the component or cable to be tested and for an external voltage supply, a housing for permanently accommodating the electronic unit and a cooling system, disposed inside the housing, for cooling the electronic unit, the cooling system comprising an air-cooled assembly having an air inlet and an air outlet. This housing is provided with a lid part that can be moved between an open and a closed position, such that all terminals, the control area and the air inlet and air outlet are covered in closed position thereof, whereas all terminals, the control area and the air inlet and air outlet are unobstructed in open position thereof. | 2010-05-13 |
20100118492 | System for Recirculation of Air in a Component of a Wind Turbine | 2010-05-13 |
20100118493 | MOTOR DRIVE WITH HEAT PIPE AIR COOLING - An air cooled switching unit for a motor drive includes a plurality electrical switches and a plurality of heat pipe assemblies. Each heat pipe assembly includes a thermally and electrically conductive evaporator, a condenser, and at least one heat pipe extending between the evaporator and condenser. Each of the switches is abutted with an evaporator of at least one of the heat pipe assemblies for conduction of both electrical power and heat between the switch and the evaporator. Each heat pipe assembly further includes an electrically conductive base abutted with the evaporator, and the air cooled switching unit further includes a plurality of power lugs each connected to a base of a respective one of the heat pipe assemblies for input or output of electrical power to the base and the evaporator plate abutted with the base. Each heat pipe assembly includes at least one evaporator defined by a metallic plate. The condenser of each heat pipe assembly includes a plurality of parallel spaced-apart cooling fins. The at least one heat pipe of each heat pipe assembly includes a sealed pipe containing a phase-change material for transferring heat from said evaporator to said condenser. The at least one heat pipe includes a first end located in the metallic plate and a second end in contact with and extending through the cooling fins of the condenser. A temperature feedback system derives air flow velocity through the condenser. | 2010-05-13 |
20100118494 | HYBRID IMMERSION COOLED SERVER WITH INTEGRAL SPOT AND BATH COOLING - A hybrid immersion cooling apparatus and method is provided for cooling of electronic components housed in a computing environment. The components are divided into primary and secondary heat generating components and are housed in a liquid sealed enclosure. The primary heat generating components are cooled by indirect liquid cooling provided by at least one cold plate having fins. The cold plate is coupled to a first coolant conduit that circulates a first coolant in the enclosure and supplies the cold plate. Immersion cooling is provided for secondary heat generating components through a second coolant that will be disposed inside the enclosure such as to partially submerge the cold plate and the first coolant conduit as well as the heat generating components. | 2010-05-13 |
20100118495 | HEAT TRANSPORT ASSEMBLY - The invention relates to a heat transport assembly comprising a first part being a plastic part and a second part, and having a first surface area on the first part in heat conductive contact with a second surface area on the second part, wherein the first surface area and the second surface area consist of a surface material having a heat conductivity of at least 50 W/m-K. | 2010-05-13 |
20100118496 | HEAT SINK FOR MODULAR LED FLOOD LIGHT - A heat sink which is adaptable to form a module of a modular luminaire which uses LED light sources. The heat sink may have cooling fins projecting in three directions from a base member and two walls projecting from the base member. Fastener holes are provided as channels extending the length of the heat sink at the base of cooling fins, for example. This configuration enables a novel heat sink having both cooling fins and also structure corresponding to screw holes to be formed by extrusion. One channel may be centered within the heat sink, so that the heat sink can be connected by two opposed fasteners and rotated thereabout to enable minor angular positional adjustment within an associated luminaire. | 2010-05-13 |
20100118497 | MODULE STRUCTURE - An apparatus includes a case including a surface, a bottom face and a first hole arranged on the bottom face; a first connector on the bottom face of the case; and a guide pin arranged in the first hole and being capable of moving in the first hole. | 2010-05-13 |
20100118498 | WATERPROOF SEAL FOR PORTABLE ELECTRONIC DEVICES - A waterproof seal includes a first body and a second body. The first body is formed by inserting molding, and includes a first metal plate inside. The first body further includes a first flat surface, and defines a first groove in the first flat surface. The second body is formed by inserting molding, and includes a second metal plate inside. The second body further includes a second flat surface matching the first flat surface, and defines a second groove in the second flat surface. When the first flat surface clings to the second flat surface, a gap is formed between the first body and the second body for allowing a flexible printed circuit board to extend through. | 2010-05-13 |
20100118499 | ELECTRONIC APPARATUS AND INPUT DEVICE THEREOF - The invention discloses an electronic apparatus comprising a casing with an input device. The input device comprises a circuit board, a first input module, a fixing module and a second input module. The first input module is disposed on the circuit board and comprises a first fixing portion. The fixing module comprises a first opening, a first accommodating space and a plurality of second fixing portions. The fixing module is disposed on the circuit board. The first input module is disposed in the first accommodating space and protrudes from the first opening. Those second fixing portions are against the first fixing portion to fix the first input module. The second input module is disposed on the fixing module and comprises a second opening. The first input module is exposed from the second opening. Furthermore, the fixing module comprises a second accommodating space for accommodating electronic components on the circuit board. | 2010-05-13 |
20100118500 | HANDHELD ELECTRONIC DEVICE - A handheld electronic device including an electronic device body and a ring is disclosed. The ring is connected with the electronic device body, and it has a plurality of extending portions extending toward the center of the ring. | 2010-05-13 |
20100118501 | Integrated inductor - An inductor and multiple inductors embedded in a substrate (e.g., IC package substrate, board substrate, and/or other substrate) is provided herein. | 2010-05-13 |
20100118502 | PRINTED CIRCUIT BOARD - Chip capacitors are provided in a printed circuit board. In this manner, the distance between an IC chip and each chip capacitor is shortened, and the loop inductance is reduced. In addition, the chip capacitors are accommodated in a core substrate having a large thickness. Therefore, the thickness of the printed circuit board does not become large. | 2010-05-13 |
20100118503 | Electric drive with a circuit board - An electric drive ( | 2010-05-13 |
20100118504 | MULTI-PIECE BOARD AND FABRICATION METHOD THEREFOR - A method for fabricating a multi-piece board includes: preparing a board main portion having a first coupling member and multiple piece portions connected to the first coupling member, the first coupling member forming a part of a coupling member of a multi-piece board, each of the piece portions having a printed wiring board; preparing a second coupling member which forms the coupling member together with the first coupling member; and adhering the second coupling member to the first coupling member of the board main portion, thereby yielding the multi-piece board. | 2010-05-13 |
20100118505 | TERMINATION APPARATUS AND METHOD FOR PLANAR COMPONENTS ON PRINTED CIRCUIT BOARDS - The disclosure involves the efficient termination of a winding PCB of a planar inductive component to a main PCB, using relatively little space and providing a low-resistance connection. The disclosed methods are especially suitable for planar structures where several winding PCBs, and/or winding PCBs and a main PCB, are all enclosed by the magnetic path components. The methods allow for a winding PCB to simply rest on the main PCB, or other winding PCBs, without any clearance. The disclosure employs mating sets of conductive annular rings with an optional interlocking terminal pin that allows two PCBs to be fixedly coupled together, while preserving a minimum distance between the solder-mask layers of the two PCBs in order to prevent the formation of unwanted electrical connections between the two PCBs. Solder is used to ensure effective coupling in each assembly of mating annular rings and optional terminal pin. | 2010-05-13 |
20100118506 | ELECTROMAGNETIC INTERFERENCE SUPPRESSING APPARATUS FOR HIGH-FREQUENCY SIGNAL GENERATION DEVICE - The present utility model relates to an electromagnetic interference suppressing apparatus for a high-frequency signal generation device. The high-frequency signal generation device includes an inverter means which is used for converting a direct current signal into a high-frequency alternating current signal, wherein the electromagnetic interference suppressing apparatus includes an electric conductor which is in capacitive or inductive coupling with the high-frequency signal generation device and is connected to the reference zero voltage point of the direct current signal. With the present utility model, the electromagnetic interference generated by the high-frequency signal generation device may be effectively suppressed in the case where a reliable earthing is not achievable. The present utility model relates also to an electronic ballast having the function of suppressing electromagnetic interference, and a fluorescent lamp of a compact type having the function of suppressing electromagnetic interference. | 2010-05-13 |
20100118507 | Method and Apparatus for Mounting a Power Converter - The present invention provides a power converter mounting system including a flange that cooperates with a power converter and an enclosure. The flange includes a through hole that cooperates with an opening in the enclosure to permit the power converter to extend therethrough. A number of fasteners connect to the flange and overhang a portion of the power converter. The fasteners are configured to be manipulated from a front side of the power converter. An outer perimeter of the flange extends beyond the opening in the enclosure. The flange is secured to the enclosure with a number of fasteners that are also operable from the front side of the power converter. The power converter mounting assembly is configured to secure a power converter to an enclosure so as to satisfy a variety of sealing requirements as well as allowing convenient servicing of the power converter system. | 2010-05-13 |
20100118508 | LIGHTING DEVICE FOR IMAGE CAPTURING IN ELECTRONIC COMPONENT MOUNTING APPARATUS - To provide a lighting device for image capturing in an electronic component mounting apparatus that has small dimensions in the height direction and a small size in a plan view and thus can meet demands in a reduction in size. | 2010-05-13 |
20100118509 | LIGHT SOURCE PACKAGE, LIQUID CRYSTAL DISPLAY DEVICE INCLUDING LIGHT SOURCE PACKAGE, AND METHOD OF MANUFACTURING THE SAME - Provided are, a light source package having a large emission area and a low manufacturing cost, a liquid crystal display device including the light source package, and a method of manufacturing the same. The light source package includes: a package case including a bottom plate having a bottom plate flat portion, and a light source mounting plate that is formed by bending at least one end of the bottom plate and has a first inclination angle with respect to the bottom plate flat portion; a light source mounted on the light source mounting plate; and a package reflecting portion formed in the package case so as to have a second inclination angle with respect to the bottom plate flat portion and reflecting light emitted from the light source. | 2010-05-13 |
20100118510 | HIGH COLOR RENDERING INDEX WHITE LED LIGHT SYSTEM USING MULTI-WAVELENGTH PUMP SOURCES AND MIXED PHOSPHORS - The present invention relates to an LED lighting system producing light having improved Color Rendering Index (CRI). The system includes a plurality of LEDs wherein the LEDs have at least a first and second characteristic wavelength, and a mixed phosphor layer overlying at least one of a portion of the plurality of LEDs, the phosphor layer absorbing at least a portion of the LED-emitted light and producing phosphor-emitted light, wherein the phosphors includes a third characteristic wavelength and a fourth characteristic wavelength, wherein the third characteristic wavelength and fourth characteristic wavelength are not the same. | 2010-05-13 |
20100118511 | LIGHTING SYSTEMS - Assemblies compliant with night vision imaging system (NVIS) standards are described. Versions of the assemblies incorporate filtering material into an encapsulant for a light-emitting diode (LED) die, avoiding any necessity of using external filtering agents. Alternatively or additionally, filtering material may be incorporated into a housing of an encapsulated LED. | 2010-05-13 |
20100118512 | Lighting strip shower cleaner - An elongated lighting strip is provided. The lighting strip is positioned inside of a shower or bathtub enclosure in order to both illuminate the enclosure as well as spray or diffuse and aqueous solution onto the enclosure. | 2010-05-13 |
20100118513 | BACK LIGHT UNIT AND LIQUID CRYSTAL DISPLAY MODULE USING THE SAME - A back light unit capable of achieving a reduction in thickness and manufacturing costs is disclosed. The back light unit includes light sources arranged in parallel, to emit light, a case receiving the light sources, a diffuser plate diffusing the light from the light sources, condensers laminated on the diffuser plate and having predetermined thicknesses, and a diffuser interposed between the adjacent condensers. The distance from the lamps to the diffuser plate is reduced by the diffuser plate and the optical sheets (three or four sheets) laminated over the diffuser plate, to reduce the total thickness of the back light unit. Also, the number of lamps is reduced by 2 to 4, as compared to the conventional back light unit, so that the manufacturing costs of the back light unit is reduced. The brightness difference exhibited on the display screen is also reduced, so that a brightness uniformity is achieved. | 2010-05-13 |
20100118514 | BACKLIGHT ASSEMBLY, DISPLAY DEVICE HAVING THE SAME, AND METHOD OF MANUFACTURING THE DISPLAY DEVICE - A backlight assembly includes a light guide plate, a light source assembly disposed adjacent to at least one side of the light guide plate and supplies light to the light guide plate, a container receiving the light guide plate and the light source assembly and including a bottom portion and a first sidewall extended from edges of the bottom portion to form a receiving space, and a coupling member disposed inside the receiving space of the container, and overlapping an upper surface of the light source assembly. The light source assembly is disposed adjacent to the first sidewall, the bottom portion, the coupling member and the light guide plate. The insertion direction of the coupling member is substantially perpendicular to the bottom portion of the container. | 2010-05-13 |
20100118515 | METHOD OF MANUFACTURING DISPLAY, AND DISPLAY - A method of manufacturing a display not needing a complicated post-process for forming a reflecting mirror film and allowing degradation in an organic light-emitting device to be prevented, and a display. The method of manufacturing a display includes the steps of: forming a plurality of organic light-emitting devices in a display region on a substrate to form a light-emitting panel; forming projection-shaped reflection elements corresponding to the plurality of organic light-emitting devices, respectively, on a base to form a reflector; forming an adhesive layer along an outer edge of the light-emitting panel; and bonding the light-emitting panel and the reflector together with the adhesive layer in a vacuum atmosphere, thereby to form a vacuum layer in a space between the light-emitting panel and the reflector. | 2010-05-13 |
20100118516 | Lens Sheet, Optical Sheet, and Backlight Unit and Display Apparatus Provided Therewith - The invention provides a novel lens sheet that can control a visual field range with high brightness while reducing side lobe generated in a conventional prism sheet, a low-profile, high-strength, high-display-quality optical sheet in which the lens sheet and a diffuser plate are optically integrated, and a backlight unit and display apparatus, in which the optical sheet is used. | 2010-05-13 |
20100118517 | BACKLIGHT MODULE HAVING REPLACEABLE LAMP MODULE - A backlight module having replaceable lamp module is provided. The backlight module includes a replaceable lamp module, a light-guiding plate, a frame and a positioning and protecting mechanism. The light-guiding plate is disposed over the bottom surface among four sides of the frame, wherein one side of the light-guiding plate and a corresponding side of the frame form a sliding groove. The replaceable lamp module is set in the sliding groove and slidably along the sliding groove. The positioning and protecting mechanism comprises a protecting device set on the replaceable lamp module and a positioning device set on the frame. The protecting device is capable of forming a gap between the replaceable lamp module and the bottom of the sliding groove in order to protect the replaceable lamp module from scraped by the structures of the backlight module while the replaceable lamp module is inserting into the sliding groove. The protecting device and the positioning device are capable of positioning and holding the replaceable lamp module in the sliding groove while the replaceable lamp module reaches the predetermined position in the backlight module, and meantime the gap is disappeared. | 2010-05-13 |
20100118518 | LIGHTING DEVICE FOR DISPLAY DEVICE, DISPLAY DEVICE, AND TELEVISION RECEIVER APPARATUS - In a chassis | 2010-05-13 |
20100118519 | LIGHT GUIDING PLATE, AND BACKLIGHT ASSEMBLY AND DISPLAY DEVICE HAVING THE SAME - A light guiding plate to enhance uniformity of brightness and a backlight assembly and a display device having the same in one or more embodiments. In one embodiment, the light guiding plate includes a plurality of the linear shaped prisms on a back surface thereof, and the linear shaped prisms are omitted partially at the incident portion of the light guiding plate such that a non-prism area, connection area, and prism area are formed in stated order from the incident portion end on the back surface of the light guiding plate. Therefore, the display device having the light guiding plate is adapted to increase a uniformity of brightness of the edge type backlight, and the display quality can be improved. | 2010-05-13 |
20100118520 | Illuminated Mirror with Comfort Augmentation - An illuminated mirror includes a central reflective mirror portion and a surrounding transmissive portion supported to a housing. Spacing between an outer diameter of the transmissive portion and the housing allows airflow to exit from the housing. A chamber behind the mirror surface may comprise a dish reflector surface. In one form, the dish reflector comprises a white enamel surface. Lamps, which may comprise LEDs, are mounted to the reflector surface. The LED lamps may be placed in a pattern on the reflector surface. Circuitry may be provided to illuminate either all or selected ones of the LEDs. Lamps of selected colors may be provided. Preselected combinations of lamp illumination vary the level and composite color of illumination. In order to enhance the comfort of a user, a fan may be positioned in the housing behind the reflector. A cooling device may cool airflow from the fan. | 2010-05-13 |
20100118521 | ILLUMINATED WINDOW - The invention relates to an illuminated window ( | 2010-05-13 |
20100118522 | LIGHT EMITTING DEVICE USING OLED PANELS IN FOLDED OR DEPLOYED CONFIGURATION - The invention relates to a light emitting device ( | 2010-05-13 |
20100118523 | FLASHLIGHT - A flashlight in accordance with an aspect of the invention includes an ID module for generating an ID signal indicative of a power mode of the flashlight. In an aspect, the flashlight mates with a removable battery pack that regulates at least one of an output voltage and output current in accordance with the ID signal. In an aspect, the flashlight includes a printed circuit board (PCB) on which the ID module is mounted. In an aspect, the flashlight includes a soft-start module and a bulb, wherein the soft start module increases power to the bulb at a controlled rate when the flashlight is turned on. In an aspect, the flashlight includes a lamp housing having a lens retained by a bezel. The lens includes an axially extending peripheral edge. In an aspect, the flashlight includes a main housing having a lamp housing. A mounting mechanism and mating features are adapted to selectively couple and decouple the main housing and the lamp housing. In an aspect, a flexible conduit connects the main housing and lamp housing. The flexible conduit can be formed in an arc having an apex that lies directly above a center of gravity of the flashlight when the main housing and the lamp housing are coupled, thereby allowing the flashlight to be balanced when the flexible conduit is used as a carrying handle. | 2010-05-13 |
20100118524 | Light - The invention relates to a light ( | 2010-05-13 |
20100118525 | Recessed Sealed Lighting Fixture - In an embodiment, a recessed light fixture includes a structural reflector and two end caps that form a light fixture housing. A first, second and third optics areas are provided. At least one first light source type is mounted near the first optics area. A second light source type is mounted near the second optics area and the second light source type is mounted near the third optics areas, the second light source type having a light output level substantially lower than the light output level of the first light source type. A diffuser is configured to sealably mount to the light fixture housing so as to substantially seal an interior portion of the light fixture. In operation, the light fixture can be switch between an ambient mode and an examination mode while providing a cost effective and attractive design. | 2010-05-13 |
20100118526 | LAMP - A lamp includes a tube-shaped lamp shade with a space, a first light-emitting diode (LED) light source, a first diffuser, a second LED light source, a second diffuser, and two covers. A spacer extending along the direction of the length of the tube-shaped lamp shade is disposed in the space. The spacer has a first surface and a second surface, and the tube-shaped lamp shade has a first slot and a second slot. The first LED light source is disposed on the first surface. The first diffuser is disposed in the first slot, and a first hole is formed at the first diffuser. The second LED light source is disposed on the second surface. The second diffuser is disposed in the second slot. The two covers are disposed at two ends of the tube-shaped lamp shade respectively, and each cover has a second hole. | 2010-05-13 |
20100118527 | METHODOLOGY OF PROVIDING WHITE LIGHTING WITH COLOUR COMBINATION - The present invention relates generally to a methodology of creating lighting of white colour with the intended correlated colour temperature (CCT) by having a processing means to instruct several lighting means groups, wherein each group has different CCT ranges, that are arranged together, to provide lighting of a fixed CCT, wherein the lighting means groups comprises lighting means with dominant wavelength (DWL) range of 585 nm and 595 nm representing amber, CCT range of 2500 K and 3700 K representing warm white and CCT range of 3700 K and 5000 K representing white and CCT range of 5000 K and 7000 K representing cool white. | 2010-05-13 |
20100118528 | LED CYCLORAMA LIGHT - A cyclorama light includes a generally enclosed housing forming an interior compartment having a normally horizontal housing axis and an open front defining a window generally arranged within a plane parallel to said axis. A reflector substantially covers the window and has an operative portion that has a substantially uniform cross-section along the housing axis. An LED light emitter array extends along a line substantially parallel to the housing axis, the reflector having a surface configuration and the LED array being arranged in relation to the reflector surface to provide a higher flux density directed toward a far end of a wall or surface to be illuminated and provide a lower flux density directed toward a direction of the near end of the surface to be illuminated, generating a transition flux density between the far and near ends of the surface to be illuminated. The LED array and/or the reflector have optical features for eliminating shadows in the projected light over the entire illuminated surface. | 2010-05-13 |
20100118529 | LIGHT EMITTING DIODE DISPLAY - An LED display with a reduced thickness is described. In one embodiment, the LED display includes a second support plate between a front support plate and a back support plate. The second support plate enables the front support plate to be thinner than if the second support plate was not included. The second support plate increases the distance between an LED chip and a light exit surface thereby allowing the front support plate thickness to be reduced by about the thickness of the second support plate. In one embodiment, the second support plate allows the thickness of an LED display to be thinner. The second support plate adds structural integrity to a back support plate. Therefore, the back support plate can be thinner, and thickness of the LED display can be reduced. | 2010-05-13 |
20100118530 | LIGHT-EMITTING APPARATUS - The light-emitting apparatus ( | 2010-05-13 |
20100118531 | LIGHT-BEAM SHAPER - The invention relates to an optical device for imparting an elongate shape to a light beam emitted by a LED, and to street luminaries which comprise such optical devices. The optical device comprises a lens ( | 2010-05-13 |
20100118532 | ILLUMINATION DEVICE AND LIGHT EMITTING DIODE MODULE - A light emitting diode (LED) module including a carrier, a first connector, a plurality of second connectors and a plurality of LEDs is provided. The carrier has a first edge and a plurality of second edges. The first connector is disposed on the first edge of the carrier and electrically connected to the carrier. The second connectors are disposed on the second edges and electrically connected to the carrier respectively. Each of the second connectors may correspond and be electrically connected to the first connector of the other LED module. The LEDs are disposed on the carrier and electrically connected to the carrier. | 2010-05-13 |
20100118533 | LIGHT HOUSING - Provided is a light emitting apparatus for illuminating large spaces and configured to enclose a surveillance camera within. The light emitting apparatus includes a plurality of chambers disposed on a perimeter of said housing along a horizontal plane directing outwardly, and substantially vertically, light generated within. The chambers include light emitting elements for generating the light and a lens for directing the generated light. Exemplary embodiments may be attached to a structure such as a light pole, a wall, or a ceiling. The light emitting apparatus may have a hollow center to enclose the surveillance camera, and may also have an opening at the bottom, covered by a transparent cover, through which the camera may capture images of the outside of the apparatus. | 2010-05-13 |
20100118534 | MODULAR LED FLOOD LIGHT - A modular luminaire which uses LED light sources. The basic frame comprises two end pieces compressed together by through bolts. At least one elongated heat sink is compressed between the end pieces. Each heat sink may bear a plurality of LEDs mounted on a printed circuit board which may have an integral metallic backplate, and is installed on one of the heat sinks with a layer of heat conductive grease therebetween. The heat sinks have fins projecting in three directions, the fourth direction being accounted for by the LEDs, and are rotatable about their longitudinal axes to adjust direction of light propagation. The heat sinks are arrayed in an arc, so that the outside heat sinks shield observers from direct glare from opposed heat sinks. Heat sinks may be extruded to form cooling fins and slots which may receive fasteners such as screws. | 2010-05-13 |
20100118535 | LIGHT SOURCE DEVICE, LIGHTING DEVICE AND IMAGE DISPLAY DEVICE - A light source device is provided with a coherent light source for emitting the coherent light, and a pattern changer for changing an interference pattern of the coherent light on a surface of the illumination object. The pattern changer includes a photorefractive crystal which is arranged between the coherent light source and the illumination object and on an optical path of the coherent light and exhibits a photorefractive effect, and a changer for changing at least one of a light intensity distribution, a polarization direction, a wavelength and an intensity of coherent light incident on the photorefractive crystal. The illumination object is illuminated with the coherent light. | 2010-05-13 |
20100118536 | LIGHTING DEVICE FOR ACCENT LIGHTING & METHODS OF USE THEREOF - Embodiments of invention are directed to a lighting device for use in accent lighting applications. In one embodiment, the lighting device includes a coherent light source, such as a laser, and a diffractive optical element. The diffractive optical element may be, for example, a holographic optical element. The lighting device may be adapted to retrofit into a pre-existing light fixture. In one application, the lighting device may project a static or movable star field and/or static or movable clouds. | 2010-05-13 |
20100118537 | LED LIGHTING DEVICE - An LED lighting device is provided, which does not create dazzling effects, has no difference in brightness in accordance with viewing angles, and has superior interior effects. The LED lighting device includes an LED irradiating light onto an outside, a first lens having a lower part in which the LED is provided and having a convex form to diffuse the light incident from the LED through the lower part thereof to the outside, and a second lens provided on the outside of the first lens and having a rough surface formed on its inner surface to diffusedly reflect the light diffused through the first lens. | 2010-05-13 |
20100118538 | Adjustable light fixture with lens directed beam - An adjustable lighting fixture for mounting on a power supplying track, including a mounting arm and a light housing. The mounting arm extends axially from an end mountable on a track and is adjustably rotatable about the axis. The light housing includes a housing base mounted to the mounting arm for adjustable rotation about a second axis substantially orthogonal to the mounting arm axis, and a housing portion for housing a light source. The housing portion includes a light opening through which light from the light source may pass and a lens mounting adapted to selectively mount a lens in the light opening to direct light from the light source in a selected path, where the housing portion with a mounted lens substantially enclose the light source and the housing portion is removably securable in a fixed orientation relative to the housing base. | 2010-05-13 |
20100118539 | SEARCHLIGHT HAVING ROTATIONAL BEAM FOCUS FOR MARINE APPLICATIONS - A searchlight is provided featuring a searchlight having a searchlight assembly and a searchlight control circuitry module. The searchlight assembly has a central axis and includes a ramped insert and a light source socket arrangement. The ramped insert is configured with an angled surface that is oblique in relation to the central axis. The light source socket arrangement is configured to receive a bulb or light source for providing the light beam, is also configured with a corresponding angled surface that is also oblique in relation with to the central axis, and is also configured to respond to an applied force and rotate so as to move axially along the central axis in relation to the ramped insert. | 2010-05-13 |
20100118540 | System and Method for Illuminating a Target - According to one embodiment of the present invention, a system for illuminating a target includes a light source configured to emit one or more light beams with a first divergence. The system further includes a lens separated from the light source. The lens is configured to substantially satisfy the sine condition without removing spherical aberrations from the one or more light beams. The lens is further configured to receive the one or more light beams with the first divergence. The lens is further configured to change the first divergence of the one or more light beams to a second divergence. The second divergence is less than the first divergence. The second divergence is greater than zero. The lens is further configured to transmit the one or more light beams with the second divergence. | 2010-05-13 |
20100118541 | LED LAMP WITH REFLECTING CASINGS - An LED lamp with reflecting casings comprises a bulb seat having an international standard joint at an outer side thereof; an interior of the bulb seat having a power supply; an insulating layer for isolating the power supply and an auxiliary heat dissipating casing; a main heat dissipating casing being a hollow tapered shape and being opened at two ends; the tapered size of the main heat dissipating casing being smaller than that of the auxiliary heat dissipating casing; an LED lamp body having a conductive metal heat sink with good conductivity at an upper side thereof; an inner supporting surface of the LED lamp body serving to install with at least one LED chip; the metal heat sink having a round shape and a rear end thereof protrudes with chip pins; and a heat conducting base for receive the LED lamp body. | 2010-05-13 |
20100118542 | Appartus for Controlling and Removing Heat from a High Intensity Discharge Lamp Assembly - An apparatus for use with high intensity discharge lamps is provided that controls and removes heat from high intensity discharge lamp assemblies used in industrial lighting applications, such as large retail stores, warehouses and facilities for growing plants indoors. It provides an improved method for water cooling a high intensity discharge lamp assembly by removing significantly more heat than traditional and most commonly used air cooling methods. Application flexibility is provided to match desired application-specific requirements with various apparatus configurations. | 2010-05-13 |
20100118543 | METHODOLOGY OF OPTICAL FEEDBACK FOR LED LIGHTING - The present invention relates generally to a methodology of reflecting light that is transmitted by a lighting means such as at least one light emitting diodes (LED) in a confined space, back a sensory means such as colour sensor, which is located behind the lighting means. The sensory means is placed behind the lighting means in order not to block the light beam from the lighting means and avoid creating dark zone. | 2010-05-13 |
20100118544 | ILLUMINATION ASSIST DEVICE AND ELECTRONIC DEVICE USING THE SAME - An illumination assist device used for an electronic device having a flash lamp includes an optical plate and a cover. The optical plate is positioned between the flash lamp and the cover. The cover includes a light transmission board and a plurality of reflection sidewalls extending from a periphery of the light transmission board. The optical plate is surrounded by the plurality of reflection sidewalls. The invention also provides an electronic device using the illumination assist device. | 2010-05-13 |
20100118545 | LIGHTING STRUCTURE - A lighting structure comprises a light generation assembly comprising a light source for generating light. In order to meet desired lighting requirements, the lighting structure further comprises a substantially plate-shaped light guiding structure. The light guiding structure is provided with a light assembly recess and a light emission structure. The light generation assembly is arranged in the light assembly recess of the light guiding structure such that light emitted by the light generation assembly enters and propagates in the light guiding structure. The light emission structure is arranged for emitting the propagating light from the light guiding structure. | 2010-05-13 |
20100118546 | Method and apparatus for lighting with reflection - An apparatus for lighting. The apparatus includes a first light source. The apparatus includes a first housing in which the first light source is disposed. The apparatus includes a support structure to which the first housing is attached. The apparatus includes a reflection portion having a least two reflectors. The reflection portion attached to the support structure and in spaced relationship with the first housing such that light from the first light source is directed to desired locations. Alternatively, the apparatus includes a first light source. The apparatus includes a first housing in which the first light source is disposed. The apparatus includes a support structure to which the first light source is attached. The apparatus includes a second light source. The apparatus includes a second housing in which the second light source is disposed. The second housing attached to the support structure and in spaced relationship with the first housing. The apparatus includes a first reflector disposed with the second housing and opposing the first light source so light emitted by the first light source is reflected by the first reflector. | 2010-05-13 |
20100118547 | FLASHLESS LIGHT SOURCE WITH EFFECTS OF LIGHT REFRACTION AND REFLECTION - A flashless light source with effects of light refraction and reflection, comprises a refraction body, a metal cup, a metal reflecting lampshade, an LED lamp body. Light emitted from the LED lamp body is reflected by the metal cup to be vertically incident into the refraction body so that the light is refracted by the refraction body; the refraction body is installed at a focus of the cambered tapered surface of the metal reflecting lampshade so that the light is reflected to have a predetermined reflected shape so as to remove the flashing effect due to the small light emitted area of the LED. | 2010-05-13 |
20100118548 | ILLUMINATION DEVICE - An illumination device is provided with: a light source part | 2010-05-13 |
20100118549 | Stereoscopic Illumination System for Microscope - The invention is a novel stereoscopic illumination system for a microscope which delivers at least two collimated light beams to a subject surface. Each of the two collimated light beams is delivered for an eye of the user. Additionally, a third light beam is provided at an angle oblique to the other two collimated light beams. | 2010-05-13 |
20100118550 | Rotary-clasp type LED package - A LED lens and a LED package using the LED lens are disclosed. The LED lens includes a holder and a lens. The holder has a frame and a plurality of arms extending from bottoms of the frame. The lens is mounted on the frame of the holder. In particular, the holder is capable of clasping a mounting base of the LED assembly by the arms when the holder is placed upon the LED assembly and rotated with respect to the LED assembly by an angle. | 2010-05-13 |
20100118551 | Illuminating device and light emitting unit - An illuminating device comprising a lampshade, an electric connector and a light emitting unit, in which the lampshade has therein a receiving space for receiving the light emitting unit, and for fixing the electric connector on its rear side to connect a pair of electric power lines, the illuminating device is characterized in that: the light emitting unit includes two plug-in pins, a front half part of each plug-in pin is an arched elastic buffering portion, and a rear half part of the plug-in pin is a fixing portion; when the two plug-in pins are fixed onto the electric connector, the elastic buffering portions can absorb outwardly stretching deforming forces exerted on the plug-in pins, thus avoid breaking of the plug-in pins in bearing forces, superiority of production can be effectively increased, and the life of use of the illuminating device can be elongated. | 2010-05-13 |
20100118552 | COLLAPSIBLE PHOTOGRAPHIC LIGHT DIFFUSER - A portable photographic light diffuser is configured to be mounted to a photographic light source on a camera, the portable photographic light diffuser including a base adapted to engage the photographic light source on the camera, the base defining a socket; and a cowl extending from the base, the cowl being transformable between an expanded configuration, wherein the cowl extends by a first length from the base, and a collapsed configuration, wherein the cowl extends by a second length from the base, the second length being less than the first length. | 2010-05-13 |
20100118553 | LINKAGE MEMBERS METHODS OF PROTECTING LAMPS AND LAMPS - A linkage member to link lamps; said lamps being of the kind which comprise electrical contact points located at their first end and no external electrical contact points at their second end; said linkage member comprises a first portion configured to attach to the electrical contact points of a first lamp and to cover at least in part said electrical contact points; and a second portion configured to connect to a second lamp at an end which has no external electrical contact points. | 2010-05-13 |
20100118554 | Retaining Wires - A wire retaining system includes a wire clip and fastening receiver for releasable attachment of a wire clip on a supporting surface to retain a wire. The receiver includes an adhesive backing and touch fastener elements. The wire clip includes two wire receptacles with respective receptacle openings facing different directions and touch fastener elements for engagement with the touch fastener elements of the receiver. A first receptacle is oriented with the receptacle opening facing a desired direction and the wire extends across the receptacle. The releasable wire clip can be reoriented with the second receptacle facing a desired direction and a second wire extending across the second receptacle. The wire clip can be packaged preassembled on a light strand with the touch fastener elements of the wire clip and receiver engaged. A method of forming fastener products includes forming a rigid extrusion having fastener elements formed from extruded rail segments. | 2010-05-13 |
20100118555 | Illumination Apparatus and Driving Method Thereof - An illumination apparatus includes an adapter configured to be detachably and electrically connected to a socket and configured to convert alternating power into driving power; a light emitting device illumination part including a light emitting device that is configured to be detachably and electrically connected to the adapter and to emit light according to the driving power from the adapter; and an illumination direction controller that controls an illumination direction of the light emitting device. | 2010-05-13 |
20100118556 | Exterior Lighting System - A lighting system provides a lighting fixture elevationally adjustable from an energized configuration to a bulb-replacement configuration wherein the bulbs can be replaced, such as without using a ladder. The lighting fixture is retained by a slide to a slot. When a user releases the slide, it can be directed toward the user until the user can access the light fixture, replace one or more bulbs, and then return the fixture to its predetermined elevation for normal use. | 2010-05-13 |
20100118557 | BOAT LIGHTING COMPONENTS AND SYSTEM - An LED lighting system for watercraft, including LED lighting assemblies inserted into tubular members and inserted within rub rails mounted along the gunwale or wall of the hull, along the starboard and port sides, bow and stern. The LED lighting assembly can include ultraviolet LEDS for night fishing, white-light LEDs, a red LED port-running light, and a green LED starboard-running light. The string of LED lights can be pre-assembled into conventional insert tubing, and inserted into the cavities of the rub rail to emit the desired LED light from within the rub rail. | 2010-05-13 |
20100118558 | VEHICLE HEADLAMP - A vehicle headlamp is provided. The vehicle headlamp includes a lamp body having a front opening, a cover which covers the front opening of the lamp body to form a lamp housing, a first lamp unit which is disposed inside the lamp housing to produce at least one of a high beam and a low beam, and a second lamp unit disposed in a gap region between the lamp body and the first lamp unit to produce a beam other than the high beam and the low beam. | 2010-05-13 |
20100118559 | VEHICULAR LAMP UNIT AND VEHICULAR LAMP - A vehicular lamp unit includes a projection lens disposed on an optical axis extending in a vehicular longitudinal direction; a light source disposed rearward of a rear side focal point of the projection lens; a reflector for reflecting direct light from the light source forward towards the optical axis; an additional reflector disposed between the projection lens and the light source; and a shade portion disposed on the front end edge of the upper surface of the additional reflector. The additional reflector includes a flat upper surface extending rearward along the optical axis from a front end edge positioned in the vicinity of the rear side focal point of the projection lens that reflects a part of the reflected light from the reflector towards the projection lens. The shade portion forms a cut-off line of a light distribution pattern by blocking a part of the reflected light from the reflector and a part of the direct light from the light source. | 2010-05-13 |
20100118560 | CAPACITANCE-TYPE SENSOR - A plurality of detection electrodes, connection electrodes, and wires are integrally formed on one surface of a light guide to produce a capacitance-type sensor integral with the light guide. The electrodes are partially formed on a curved portion of the light guide. A resin layer allows an outer case and the light guide to be tightly secured to each other. | 2010-05-13 |
20100118561 | BACKLIGHT APPARATUS AND TRANSFORMER THEREOF - A transformer is disclosed. The transformer includes a first pin, a second pin, a first side winding, a second side winding, and a jump pin. The second side winding is coupled to the first pin and the second pin. The first pin is between the jump pin and the second pin. The jump pin is coupled to the second pin inside the transformer. | 2010-05-13 |
20100118562 | LIGHT-EMITTING ELEMENT AND DISPLAY UNIT HAVING THE SAME - A first light guide plate of a light-emitting element is formed by a plurality of strip-shaped light guide bodies arranged in parallel with each other, where each strip-shaped light guide body has a light incident surface on which light from a light source is incident, and a light-emitting surface from which light from the light incident surface is emitted, and on which a plurality of prisms are formed. A second light guide plate of the light-emitting element is positioned so as to face the light-emitting surface side of the first light guide plate, has prisms formed on a surface of the first light guide plate side in a shape that meshes with a shape of the prisms of the first light guide plate, and is formed by a fewer number of light guide bodies arranged in parallel than the strip-shaped light guide bodies. | 2010-05-13 |
20100118563 | LIGHT GUIDE PLATE AND DISPLAY APPARATUS - A light guide plate and a display apparatus are disclosed. The light guide plate comprises a first portion and a second portion. The first portion includes a light output surface. The second portion is formed on one end of the first portion to guide light into the first portion, wherein the second portion includes a light input surface adjacent to at least one light source, a first reflection surface and a second reflection surface adjacent to the first reflection surface, and the light input surface and the light output surface are substantially in the form of an L-shape. The light guide plate is applicable to the display apparatus. | 2010-05-13 |
20100118564 | Custom assembly light-emitting module using plugs and jacks for obtaining vertical electrical connections - A custom assembly light-emitting module using plugs and jacks for obtaining vertical electrical connections, includes a light-emitting unit, a lens unit, a plug unit and a jack unit. The lens unit is detachably combined with the light-emitting unit. The plug unit is disposed beside one side of the lens unit and electrically connected with the light-emitting unit. The jack unit is disposed on a bottom side of the plug unit and electrically connected with the plug unit. In addition, the light-emitting unit has two first retaining structures being formed on two opposite lateral sides thereof, the lens unit has a hollow transparent structure and a lens integratedly with the hollow transparent structure, two second retaining structures are disposed in the hollow transparent structure, and the light-emitting unit is detachably disposed in the hollow transparent structure. | 2010-05-13 |
20100118565 | METHOD OF FORMING A SERIES RESONANT SWITCHING POWER SUPPLY CONTROL CIRCUIT AND STRUCTURE THEREFOR - In one embodiment, a control circuit for a series resonant switching power supply control system is configured to disable a power switch of secondary side of the system in response to a polarity reversal of the voltage across a primary side winding of the system. | 2010-05-13 |
20100118566 | MULTI-VOLTAGE POWER SUPPLY - A multi-voltage power supply includes a transformer, a first output circuit to generate a first output voltage using a voltage transferred to a secondary winding of the transformer, and a first output voltage controller to control a voltage supplied to the primary winding of the transformer according to the first output voltage. The multi-voltage power supply includes second through Nth output circuits to generate second through Nth output voltages using the voltage transferred to the secondary winding of the transformer, and second through Nth output voltage controllers performing control in order to linearly output the second through Nth output voltages by feeding back the second through Nth output voltages. Accordingly, multiple (at least two) output circuits, which are on the secondary winding side of the transformer, to realize multiple output voltages can be independently controlled, and in particular, by linearly controlling the multiple output circuits, the multiple output voltages can be stably controlled regardless of the number of output voltages. | 2010-05-13 |
20100118567 | POWER SUPPLY ADJUSTING APPARATUS - A power supply adjusting apparatus includes a primary isolation converting unit, adapted to convert voltage or current of an input power supply signal and output a power supply signal that meets an expected voltage or current requirement. The power supply adjusting apparatus also includes a voltage adjustment controlling unit, adapted to output an adjustment control signal with respect to the output voltage according to an expected output voltage and a tracked signal provided by a powered apparatus. Further, the power supply adjusting apparatus includes a secondary non-isolation adjusting and converting unit, adapted to convert the power supply signal outputted by the primary isolation converting unit to an expected voltage according to the adjustment control signal outputted by the voltage adjustment controlling unit and output the adjusted power supply signal. | 2010-05-13 |
20100118568 | Low-Voltage Harmonic Filter for Full-Scale Converter Systems - The present invention relates to a wind turbine facility comprising a power generator operationally connected to an AC/AC converter adapted to receive variable frequency AC-power from the power generator, and adapted to generate substantially fixed frequency AC-power. The wind turbine facility further comprises a harmonic filter system, and a grid transformer comprising a primary winding being operationally connected to the AC/AC converter, and a secondary winding adapted to be operationally connected to an associated, substantially fixed frequency AC-power supply grid. The grid transformer further comprises a tertiary winding being operationally connected to the harmonic filter in order to suppress unwanted harmonics, such as selected harmonics generated by the AC/AC converter. The turn ratio between the primary and tertiary windings is selected in such a manner that a voltage of the tertiary winding is lower than a nominal voltage level of the associated AC-power supply grid voltage. | 2010-05-13 |
20100118569 | POWER CONVERSION SYSTEM - A power conversion system includes a first power converter converting AC to DC, a second power converter converting DC to AC, a current detector detecting output current of the second power converter, a pulsation detector detecting a pulsating component associated with the AC to DC conversion of the first power converter from a pulsating component contained in at least any one of effective power, power, and apparent power of the second power converter, a voltage corrector outputting a correction amount correcting at least one of phase, frequency, and amplitude of a voltage output from the second power converter based on the pulsating component from the pulsation detector, and a voltage controller outputting a voltage instruction to be output from the second power converter based on the correction amount from the voltage corrector, wherein the second power converter converts DC to AC based on the voltage instruction from the voltage controller. | 2010-05-13 |
20100118570 | MATRIX CONVERTER - A matrix converter includes a matrix converter main circuit, an input voltage detector group configured to detect an input voltage of an alternating current source, a gate driver configured to drive a bidirectional switch, and a controller having a pulse width modulation operation unit and a commutation operation unit. The pulse width modulation operation unit is configured to fix one output phase in a conduction state, configured to pulse-width-modulate one of remaining two output phases by using all three input phases, and configured to pulse-width-modulate the other output phase by using only two input phases of a reference input voltage and a middle input voltage. | 2010-05-13 |
20100118571 | METHOD AND APPARATUS TO CONTROL A POWER FACTOR CORRECTION CIRCUIT - A controller for use in a power factor correction (PFC) converter is disclosed. An example controller includes an integrator coupled to receive a voltage sense signal responsive to a magnitude of an ac voltage source. The ac voltage source is coupled to an input of the PFC converter, which is coupled to an energy transfer element, which is coupled to a power switch. The integrator is further coupled to receive a current sense signal responsive to a current flowing in the power switch when the power switch is on. The integrator is to generate an integrator output signal in response to the voltage sense signal and the current sense signal. On/off logic is to be coupled to drive the power switch on and off to control a transfer of energy through the energy transfer element to a load coupled to an output of the PFC converter. The on/off logic is coupled to terminate an on time of the power switch when the integrator output signal reaches a threshold value. A gain of the integrator circuit is adjusted in response to the voltage sense signal such that the threshold value is substantially constant independent of the magnitude of the ac voltage source when a magnitude of the load is constant. | 2010-05-13 |
20100118572 | LED DRIVER WITH LOW HARMONIC DISTORTION OF INPUT AC CURRENT AND METHODS OF CONTROLLING THE SAME - A power supply circuit for powering a load at constant current has a rectifier stage for receiving an AC voltage input and for producing a first substantially DC voltage. A first capacitor is attached to the load. A charge-pump is attached to an output of the rectifier stage and to the load for providing power factor correction and for converting the first substantially DC voltage to a second substantially DC voltage at the first capacitor. The charge pump is prevented from conducting energy back into the output of the rectifier stage. The charge pump delivers energy to a charge pump output, the energy being delivered directly instead of being stored. A converter stage is attached to the load and the first capacitor. The converter stage is used for converting voltages at the first capacitor and the charge pump to an output DC current. The converter stage has a switch for periodically connecting a first series-coupled circuit of the charge pump to the output of the rectifier stage. | 2010-05-13 |
20100118573 | METHOD AND APPARATUS TO INCREASE EFFICIENCY IN A POWER FACTOR CORRECTION CIRCUIT - A controller for use in a power factor correction (PFC) converter includes a power factor correction controller circuit coupled to output a drive signal to switch a power switch between an on state and an off state to transfer energy to an output of the PFC converter. The controller also includes an switching frequency adjuster coupled to output a frequency adjust signal to the power factor correction controller circuit to adjust an average switching frequency of the power switch in response to a load signal representative of a load coupled to the output of the PFC converter, wherein the frequency adjust signal is responsive to a range of load conditions. | 2010-05-13 |
20100118574 | DC BUS REGULATOR - An improved DC bus regulator that utilizes more transistor packs for power conversion at some times and diode, SCR, and resistor packs at other times. The conversion technology is selected by the regulator based on the current load capacity and response required. For example, transistor packs may be used in low power load conditions. Through use of this hybrid system, the system obtains the desirable effects of transistor pack systems including fast response time, ability to regulate current, and bi-directional power conversion while mitigating the high costs and fragile nature of a system based solely on transistor packs. | 2010-05-13 |
20100118575 | Power Inverter - A current inverter including a bridge circuit with four switch elements is provided. Two opposite connector clamps of the bridge circuit are connected to a direct current part of the current inverter, and further two connector clamps of the bridge circuit are connected to an alternating current part of the current inverter. Direct current and alternating current are converted into each other when the switch elements are controlled appropriately. In the direct current part, a first direct current-sided switch element is coupled to a positive direct current clamp, an inductive resistance mounted in series between the first switch element and a first connector clamp and a diode are arranged downstream from the first switch element. A second direct current-sided switch element is mounted in series between the inductive resistance and the diode. A second connector clamp is mounted such that the inductive resistance connects to the second connector clamp. | 2010-05-13 |
20100118576 | POWER FACTOR CORRECTION CIRCUIT - A power factor correction circuit includes a rectifier | 2010-05-13 |
20100118577 | SINE WAVE LAMP CONTROLLER WITH ACTIVE SWITCH COMMUTATION AND ANTI-FLICKER CORRECTION - A pulse width modulated half bridge dimming controller for dimming a lighting ballast is described. The top half of the bridge is comprised of two switches, the top switch set, and the bottom half of the bridge is comprised of two switches, the bottom switch set. Each switch also has a diode in parallel with it. The drivers for the switches are configured so that each of the switches can be turned on and off independently of all of all the other switches. Preferably, the controller is capable of operating in all four quadrants. In one preferred embodiment the switches are IGBTs. The switches are controlled in a manner so that when one of the switch sets changes states, the second switch set has one switch on and one switch off, so that one of the diodes in the second switch set is disposed to block shoot through and provide a path to allow current to continue flowing in the inductive load. | 2010-05-13 |
20100118578 | DEVICE FOR CONVERTING AN ELECTRIC CURRENT - A device for converting an electrical current includes at least one phase module with an AC voltage connection and at least one DC voltage connection, a phase module branch disposed between each DC voltage connection and the AC voltage connection and each phase module branch having a series circuit of submodules, each of which has an energy accumulator and at least one power semiconductor and closed-loop control means for regulating the device. The device can regulate circulating currents in a targeted manner by providing each phase module with at least one inductance and configuring the closed-loop control means to regulate a circulating current that flows through the phase modules. | 2010-05-13 |
20100118579 | Nand Based Resistive Sense Memory Cell Architecture - Various embodiments are directed to an apparatus comprising a semiconductor memory array with non-volatile memory unit cells arranged into a NAND block. Each of the unit cells comprises a resistive sense element connected in parallel with a switching element. The resistive sense elements are connected in series to form a first serial path, and the switching elements are connected in series to form a second serial path parallel to the first serial path. Each resistive sense element is serially connected to an adjacent resistive sense element in the block by a tortuous conductive path having a portion that extends substantially vertically between said elements to provide operational isolation therefor. | 2010-05-13 |
20100118580 | SEMICONDUCTOR MEMORY DEVICE - A semiconductor memory device includes first positive and negative data lines driven with voltage levels contrary to each other in response to first data and second positive and negative data lines driven with voltage levels contrary to each other in response to second data, wherein one of the second positive and negative data lines is disposed between the first positive and negative data lines. | 2010-05-13 |