52nd week of 2008 patent applcation highlights part 30 |
Patent application number | Title | Published |
20080316688 | ELECTRONIC APPARATUS - According to one embodiment, an electronic apparatus includes: a case having an upper wall and a lower wall; a connector housed in the case; a duct portion having a first opening that opens in the upper wall, the duct portion protruding from a peripheral edge of the first opening and more than a lower end of the connector toward the lower wall, the duct portion having a second opening that opens in the case at a protruding end; and a cable passed through the duct portion and electrically connected to the connector. | 2008-12-25 |
20080316689 | Computer Display Screen System and Adjustable Screen Mount, and Swinging Screens Therefor - A computer system is described herein. In addition to a base structure for resting on a support surface, the system includes a first display panel coupled to the base structure, and a second display panel. The system further includes a hinge mechanism that couples a side edge of the first display panel to a side edge of the second display panel. The hinge mechanism allows the second display panel to rotate about a nominal axis substantially parallel to the side edge of the first display panel an allows the angle between the first viewing face of the first display panel and the second viewing face of the second display panel to be greater than 180°. | 2008-12-25 |
20080316690 | DISPLAY DEVICE - A display device includes: a display unit which displays an image; a casing which supports the display unit; a pair of supporting members which are respectively combined at peripheral areas of a backside of the display unit and are supported by the casing; and a connecting member which has higher heat resistance than the supporting members and interconnects the supporting members. | 2008-12-25 |
20080316691 | Configurable Computer System and Methods of Use - Methods and devices are provided that allow for a configurable computer system comprised of a common electronic base used in conjunction with interchangeable user interface system housings having a tablet display, a notebook display, or convertible display. The user interface systems comprise an upper housing that interfaces with the common electronic base through a personality module comprised of a configuration module connector and a configuration module. The physical structure and arrangement of the common electronic base and the personality module is designed to allow for interchangeability of two or more of the following: a tablet display, a notebook computer keyboard and notebook display, and a convertible display having a keyboard and a convertible display. | 2008-12-25 |
20080316692 | Moveable platform for a laptop computer - A moveable platform for a laptop computer has an angled support base to angle the laptop keyboard and elevate the laptop display monitor. The angled support base forms an airgap between the moveable platform and the desktop to dissipate the heat from the laptop computer. A separate cooling fan system integral with the support base can also dissipate the laptop computer heat. Spherical roller assemblies on the bottom of the platform move the laptop computer around the desktop. The spherical roller assemblies have a Teflon™ spherical ball surrounded by a plurality of Delrin™ spherical ball bearings in a Nylon™ semi-spherical cavity. These non-metallic materials provide smooth quiet operation with minimal frictional resistance and are non-abrasive to the desktop surface. A braking mechanism at the front of the moveable platform lifts the front spherical roller assemblies from contact with the desktop to lock the moveable platform and laptop computer into position on the desktop. | 2008-12-25 |
20080316693 | HOUSING WITH ROTATABLE COVER ASSEMBLY - A housing assembly includes a housing ( | 2008-12-25 |
20080316694 | LATCHING MECHANISM AND BASE CASING OF NOTEBOOK COMPUTER USING THE SAME - A latching mechanism for being mounted between a housing and a cover of an electronic device includes a sliding member, a first latching portion, a second latching portion and an elastic member. The sliding member is slidably disposed on the cover and has a pushed portion located at a side of the cover. The first latching portion is fixed to the sliding element. The second latching portion is fixed to the housing and adapted for engaging with the first latching portion. The elastic member is disposed between the sliding member and the cover for providing an elastic force to the sliding member against the cover. | 2008-12-25 |
20080316695 | Electronic Enclosure Fastening Belt - Enclosures for laptops, notebooks, tablets, or other portable computers are provided, the enclosures comprising a first case having a first edge defined thereon, a second case having a second edge defined thereon, wherein said first edge of said first case and said second edge of said second case abut one another; and a belt disposed around the abutted first and second edges. The belt serves to couple the first case to the second case and in certain embodiments, provides a substantially uniform clamping force so as to compress the two cases together. In certain embodiments, advantages of the present invention include, but are not limited to, a more efficient and/or more cost-effective coupling device for electronic enclosures, a device for electronic enclosures that is easier to install and manipulate, and the ability to provide a substantially uniform clamping force across a selected joined area of an electronic enclosure. | 2008-12-25 |
20080316696 | SEMICONDUCTOR MEMORY DEVICE AND SEMICONDUCTOR MEMORY CARD USING THE SAME - A semiconductor memory device is provided with a wiring board which includes an element mounting portion and connection pads. Plural semiconductor memory elements are stacked on the element mounting portion of the wiring board. The semiconductor memory element of a lower side has a thickness greater than that of the semiconductor memory element of an upper side. The semiconductor memory elements are electrically connected to the connection pads of the wiring board via metal wires. | 2008-12-25 |
20080316697 | Flash memory device with improved light-guiding member and cover thereof - A flash memory device includes a bottom shell, a PCB mounted on the bottom shell, a connector interface electrically connecting the PCB, a movable cover covering the PCB and a light-guiding member set on the cover. The PCB includes a LED light. The light-guiding member absorbs the light of the LED light in order to averagely illuminate an area of the cover to be illuminated. | 2008-12-25 |
20080316698 | Damping structure for electronic devices - A damping structure for electronic devices has a holding rack mounted onto a chassis to hold an electronic device. The holding rack has two ends extended towards the chassis to form respectively a step portion and a first coupling section extended from the step portion. The holding rack has two other ends extended sideward to form second coupling sections to form a holding space for the electronic device. There are damping assemblies interposed between the holding rack and the chassis, and between the holding rack and the electronic device. The damping assemblies are independent and can provide elastic damping forces. Thus a desired damping effect can be provided for the electronic device to maintain regular operation | 2008-12-25 |
20080316699 | Plate combination type computer housing - A plate combination type computer housing comprises a bottom plate, a first plate, a second plate, a third plate, a fourth plate, a upper plate and four fixing rods. Whereby, the number of molds for manufacturing the housing can be reduced so as to save the production cost, and it is unnecessary to process screw locking to allow the four fixing rods to be respectively coupled to the first plate, the second plate, the third plate and the fourth plate such that the assembly is easier to reduce the assembly time substantially and hence, no screws and no fixing rods are exposed outside the computer housing to influence the modeling design of an outlook of the computer housing. | 2008-12-25 |
20080316700 | One-Touch Release Apparatus - An apparatus controlled by one touch operation for releasing and propping components is disclosed. The apparatus includes a base, a prop device with a resilient piece and an ejecting pin, a reciprocating device located between the base and the prop device, and a stabilizing device fixed on the base. The reciprocating device includes a reciprocating piece and a reciprocating base fixed on the reciprocating piece. The stabilizing device includes a stabilizing base and a movable latch connected to the prop device for limiting the ejecting pin of the prop device. | 2008-12-25 |
20080316701 | GAMING DEVICE COOLING SYSTEM - A gaming device has a housing with at least one air inlet vent and at least one air exhaust vent. In one aspect of the invention, the vents are configured with a duct or flange having at least one upwardly sloping portion configured to prevent the entry of contaminants such as liquids into the gaming device. In another aspect of the invention, a gaming machine cooling system includes at least one air flow device such as a centrifugal blower or squirrel-cage air handling device which provides high volumetric air flow at positive pressure. The air flow device is coupled to the exhaust vent, whereby the air flow device exhausts air from the interior to the exterior of the gaming device. A low pressure condition in the gaming machine causes cool air to be drawn into the interior of the housing. | 2008-12-25 |
20080316702 | EXHAUST AIR DUCT WITH ADJUSTABLE FILLER PANEL ASSEMBLIES - An adjustable filler panel assembly, configured for use in an electronic equipment enclosure, includes a first panel and a second panel, each adapted to block airflow. The first panel has pairs of horizontally aligned adjustment openings formed therein, and the second panel has a pair of horizontally aligned attachment members disposed near one end. The first and second panels are connected to one another in an overlapping arrangement to form an air-blocking panel assembly with the attachment members of the second panel being aligned with and connected to a pair of adjustment openings of the first panel. In addition, the first panel and the second panel are telescopically adjustable relative to one another such that a length of the air-blocking panel assembly is selectively adjustable to fill at least a portion of an opening in the electronic equipment enclosure, thereby blocking air from flowing through the opening. | 2008-12-25 |
20080316703 | ELECTRONIC EQUIPMENT ENCLOSURE WITH EXHAUST AIR DUCT AND ADJUSTABLE FILLER PANEL ASSEMBLIES - An electronic equipment enclosure includes a frame structure, one or more enclosure panels mounted on the frame structure, an exhaust duct, and a plurality of adjustable filler panel assemblies. The frame structure and the one or more enclosure panels together define an enclosure. The exhaust duct is substantially the same height as the enclosure and has an air inlet opening formed therein for receipt of exhaust air from equipment mounted in the enclosure. The plurality of adjustable filler panel assemblies selectively block portions of the air inlet opening in order to create a custom-fit air inlet opening for a particular piece of equipment so that exhaust air from the equipment does not flow back into the enclosure after entering the exhaust duct. | 2008-12-25 |
20080316704 | AIR MANIFOLD FOR ELECTRONIC MODULE ENCLOSURE - A central air manifold for an electronic module enclosure includes a front section and a rear section. The front section includes openings adapted to communicate with electronic modules and the rear section includes openings adapted to communicate with fans. The openings of the front section can be open when electronic modules are installed in the front section and the openings in the rear section can be open when operating fans are installed in the rear section. | 2008-12-25 |
20080316705 | HEAT DISSIPATION DEVICE HAVING A FAN MOUNTED THEREON - A heat dissipation device for at least a heat-generating electronic component includes a heat sink, a fan for providing an airflow through the heat sink and a fan holder coupling the fan to the heat sink. The heat sink has a first locking part and a second locking part opposite to the first locking part. The fan holder has a first engaging part engaging with the first locking part at one side of the heat sink and a second engaging part engaging with the second locking part of the heat sink at an opposite side thereof. The first engaging part has a horizontally extending fixing arm and a barb extending downwardly from the fixing arm and hooking with a top side of the heat sink. | 2008-12-25 |
20080316706 | Heat dissipation structure for electronic devices - The present invention discloses a heat-dissipation structure for electronic devices, which comprises: a housing having an accommodation space accommodating at least one heat-generating element; a heat conductor arranged in the accommodation space and contacting the heat-generating element; and an electric fan arranged outside the housing. The housing has an opening corresponding to the heat conductor, and the heat conductor extends through the opening and projects from the housing. The electric fan drives an air current to flow through the part of the heat conductor extending through the opening to promote heat-dissipation efficiency. | 2008-12-25 |
20080316707 | HEAT DISSIPATION DEVICE WITH HEAT PIPES - A heat dissipation device includes a base ( | 2008-12-25 |
20080316708 | LOW COST COLD PLATE WITH FILM ADHESIVE - An electronic assembly is constructed with an enclosed fluid-cooled cold plate. Pressurized cooling fluid is propelled through the cold plate to carry away heat from the electronic assembly. The cold plate is constructed from a plurality of enclosure elements which are attached together with a thermally-conductive adhesive. The adhesive may be cured at a low temperature of about 125° C. The cold plate may be produced from thin metal without distortion or warping that might otherwise result from assembly at higher temperatures. | 2008-12-25 |
20080316709 | Thermally Conductive Electrical Structure and Method - An electrical structure and method of forming. The electrical structure includes a first substrate comprising a plurality of electrical components, a first thermally conductive film layer formed over and in contact with a first electrical component of the plurality of electrical components, a first thermally conductive structure in mechanical contact with a first portion of the first thermally conductive film layer, and a first thermal energy extraction structure formed over the first thermally conductive structure. The first thermal energy extraction structure is in thermal contact with the first thermally conductive structure. The first thermal energy extraction structure is configured to extract a first portion of thermal energy from the first electrical component through the first thermally conductive film layer and the first thermally conductive structure. | 2008-12-25 |
20080316710 | Power Converter Device - A power module having three unit power modules and a control circuit board including a gate drive circuit are set up side by side and mounted on a heat exchanger. A pair of positive and negative direct current terminals for connecting the smoothing capacitor and a plurality of alternating current terminals for inputting and outputting polyphase alternating current are integrally-molded into a power module case of the power module. A plurality of control pins for providing switching devices mounted on the unit power modules with control signals are set up on the opposite side of the side where the direct current terminals and the alternating current terminals are set up, which is figured as located in the right of the drawing. The control pins of the switching devices of the unit power modules and the gate signal output terminals of the control circuit board are wire-bonded. The smoothing capacitor is mounted on the side or top of the power module. | 2008-12-25 |
20080316711 | VLSI HOT-SPOT MINIMIZATION USING NANOTUBES - The invention relates to a semiconductive device comprising a die with at least one defined hot-spot area lying in a plane on the die and a cooling structure comprising nanotubes such as carbon nanotubes extending in a plane different than the plane of the hot-spot area and outwardly from the plane of the hot-spot area. The nanotubes are operatively associated with the hot-spot area to decrease any temperature gradient between the hot-spot area and at least one other area on the die defined by a temperature lower than the hot-spot area. A matrix material comprising a second heat conducting material substantially surrounds the nanotubes and is operatively associated with and in heat conducting relation with the other area on the die defined by a temperature lower than the hot-spot area. The heat conductivity of the nanotubes is greater than the heat conductivity of the matrix material, with the distal ends of the nanotubes exposed to present a distal surface comprising the first heat conducting means for direct contact with a medium comprising a cooling fluid. The inventors also disclose processes for manufacturing and using the device and products produced by the processes. | 2008-12-25 |
20080316712 | HIGH DENSITY MODULE HAVING AT LEAST TWO SUBSTRATES AND AT LEAST ONE THERMALLY CONDUCTIVE LAYER THEREBETWEEN - A module is electrically connectable to a computer system. The module includes a plurality of electrical contacts which are electrically connectable to the computer system. The module further includes a first substrate which has a first surface and a first plurality of components mounted on the first surface. The first plurality of components is in electrical communication with the electrical contacts. The module further includes a second substrate which has a second surface and a second plurality of components mounted on the second surface. The second plurality of components is in electrical communication with the electrical contacts. The second surface of the second substrate faces the first surface of the first substrate. The module further includes at least one thermally conductive layer positioned between the first plurality of components and the second plurality of components. The at least one thermally conductive layer is in thermal communication with the first plurality of components, the second plurality of components, and a first set of the plurality of electrical contacts. | 2008-12-25 |
20080316713 | Power supply and speakerphone for handheld devices - The invention claimed herein and depicted in FIGS. | 2008-12-25 |
20080316714 | INTEGRATED STRUCTURES AND FABRICATION METHODS THEREOF IMPLEMENTING A CELL PHONE OR OTHER ELECTRONIC SYSTEM - Circuit structures and methods of fabrication are provided for facilitating implementing a complete electronic system in a compact package. The circuit structure includes, in one embodiment, a chips-first multichip base layer with conductive structures extending therethrough. An interconnect layer is disposed over the front surface of the multichip layer and includes interconnect metallization electrically connected to contact pads of the chips and to conductive structures extending through the structural material. A redistribution layer, disposed over the back surface of the multichip layer, includes a redistribution metallization also electrically connected to conductive structures extending through the structural material. Input/output contacts are arrayed over the redistribution layer, including over the lower surfaces of at least some integrated circuit chips within the multichip layer, and are electrically connected through the redistribution metallization, conductive structures, and interconnect metallization to contact pads of the integrated circuit chips of the multichip layer. | 2008-12-25 |
20080316715 | Coated Copper, Method for Inhibiting Generation of Whisker, Printed Wiring Board and Semiconductor Device - A coated copper is provided which inhibits the growth of whiskers and is composed of a copper substrate or a copper alloy substrate, a copper-diffused tin layer formed on the surface of the substrate, and a pure tin layer formed on the surface of the copper-diffused tin layer. The thickness of the copper-diffused tin layer is 55% or more with respect to the total thickness of the copper-diffused tin layer and the pure tin layer. Further, a printed wiring board is provided having a wiring pattern of the copper substrate or the copper alloy substrate, and a semiconductor device. Accordingly, the generation of long whiskers having a length exceeding 15 μm which cause short circuits can be inhibited. | 2008-12-25 |
20080316716 | Frame for a packaging method using flexible printed circuit boards and method thereof - A frame for a packaging method using flexible printed circuit boards is provided. Before chips are bonded onto the at least one flexible printed circuit board, the frame is bonded to the at least one flexible printed circuit board to increase strength and weight of the at least one printed circuit board. Therefore, the flexible printed circuit board with the frame is used to package the chip by packaging equipment for a packaging method using printed circuit board. | 2008-12-25 |
20080316717 | SIM Card Handle - An improved smart card is provided, which is adapted for easy extraction from a smart card socket, or example, in a mobile telephone. Facilitating the easy extraction is a structural deviation in the plane of at least one of the sides of the smart card to enable an increase of an external force on the smart card to thereby cause the extraction of the smart card from a socket. The structural deviation may be a change in the thickness of the smart card or a roughened surface in the smart card's enclosure. The smart card may be a SIM card. Also provided is a method of extracting a smart card from a socket, which method may include the steps of engaging a structural deviation in the plane of at least one side of the smart card's enclosure and applying a force to the engaged structural deviation. | 2008-12-25 |
20080316718 | INJECTION/EJECTION MECHANISM - An injection/ejection mechanism is provided for mounting and dismounting of a unit in a chassis. The mechanism includes a drive screw that cooperates with a threaded barrel, the threaded barrel being rotatable for engagement and disengagement with at least one chassis component. The drive screw can be rotated in a first rotational direction to urge the threaded barrel in a first longitudinal direction against at least one chassis component for mounting of the unit and can be rotated in an opposite rotational direction to urge the threaded barrel in an opposite longitudinal direction against at least one chassis component for dismounting of the unit. | 2008-12-25 |
20080316719 | Function expansion datacard - A function expansion datacard including a main board, a connector, a housing and a holder is provided. Several chips and the connector are disposed on a surface of the main board. The connector is situated near the edge of the main board. The housing disposed on the main board covers the chips and exposes a connection surface of the connector. The holder movably disposed at the housing is moved in and out the housing. The holder is situated over the connector and moves in a direction perpendicular to the connection surface. | 2008-12-25 |
20080316720 | Electronic components - Electronic components include a case, a circuit board, electronic parts, a plate-like electrode terminal, a metal cover, a stepped portion, a connecting terminal, and a fastening member. The case includes a connector portion and an opening. The connector portion has an external terminal. The circuit board mounting the electronic parts is accommodated in the case. The electrode terminal is accommodated in the case and electrically connected to the electronic parts. The plate-like electrode terminal includes a board-side end portion and a case-side end portion. The metal cover closes the opening so as to be spaced away from the circuit board and the electrode terminal. The connecting terminal is arranged on a stepped portion in the case. The connecting terminal is formed integrally with the external terminal. The fastening member connects the case-side end portion to the case. The fastening member electrically connects the case-side end portion to the connecting terminal. | 2008-12-25 |
20080316721 | ELECTRODE STRUCTURE BODY AND METHOD OF FORMING THE SAME, ELECTRONIC COMPONENT, AND MOUNTING SUBSTRATE - An electrode structure body of the present invention is composed of a metal electrode, and a solder alloy layer (a tin/nickel alloy layer) formed on a surface of the metal electrode. The solder alloy layer is obtained by reflow-heating the solder layer formed on the metal electrode and then removing the solder layer. This electrode structure body can be applied to an external connection electrode of an electronic component or a mounting substrate. | 2008-12-25 |
20080316722 | WIRING BOARD AND METHOD FOR MAKING THE SAME - A wiring board includes a substrate having an adhesive surface, a first wiring, and a second wiring. The adhesive surface is in contact with the first wiring and the second wiring. The first wiring has a penetrating hole extending in a direction perpendicular to the adhesive surface. The second wiring has a first region, a second region, and a third region, which are adjacent regions arranged in that order. The first region is inside the penetrating hole in the first wiring and in contact with a first portion of the adhesive surface that forms part of the penetrating hole. The second region is in contact with the first wiring and faces the first wiring and the substrate. The third region is in contact with a second portion of the adhesive surface outside the first portion. | 2008-12-25 |
20080316723 | METHODS FOR INTEGRATION OF THIN-FILM CAPACITORS INTO THE BUILD-UP LAYERS OF A PRINTED WIRING BOARD - Provided herein are devices comprising a printed wiring board that comprise, singulated capacitors fabricated from known good, thin-film, fired-on-foil capacitors. Provided are methods of incorporating the singulated capacitors into the build-up layers of a printed wiring board to minimize impedance. The singulated capacitors have a pitch that allows each power and ground terminal of an IC to be directly connected to a power and ground electrode, respectively, of its own singulated capacitor. Using a feedstock of known good, fired-on-foil capacitors allows for improved PWB yield. | 2008-12-25 |
20080316724 | UNIVERSAL SOLDER PAD - A universal solder pad is used with a plurality of SMD components having different sizes. Each SMD component includes a first conductive part and a second conductive part. The universal solder pad includes a first pad unit and a second pad unit. The first and second pad units are electrically connected to the first and second conductive parts of the SMD component, respectively. Each of the first and second pad units includes a main portion and a first extension portion. The first extension portion is extended from a first sidewall of the main portion and includes a first border, a second border and a third border. The second border and the third border of the first extension portion are parallel with each other for facilitating alignment of the first and second conductive parts of the SMD component with respect to the first pad unit and the second pad unit. | 2008-12-25 |
20080316725 | Connector, printed circuit board, connecting device connecting them, and method of testing electronic part, using them - The invention has an object of providing a connector for connecting between a printed circuit board and a test device, capable of easily attaching and detaching the connector at low cost. The connector includes at least one conducting pin | 2008-12-25 |
20080316726 | MULTI-LAYER SUBSTRATE AND MANUFACTURE METHOD THEREOF - Disclosed are a multi-layer substrate and a manufacture method thereof. The multi-layer substrate of the present invention comprises a surface dielectric layer and at least one bond pad layer. The surface dielectric layer is located at a surface of the multi-layer substrate. The bond pad layer is embedded in the surface dielectric layer to construct the multi-layer substrate with the surface dielectric layer of the present invention. The manufacture method of the present invention forms at least one bond pad layer on a flat surface of a carrier and then forms the surface dielectric layer to cover the bond pad layer where the bond pad layer is embedded therein. After the multi-layer substrate is separated from the carrier, the bond pad layer and the surface dielectric layer construct a flat surface of the multi-layer substrate. | 2008-12-25 |
20080316727 | 3D Electronic Module - The invention relates to a 3D electronic module comprising a stack ( | 2008-12-25 |
20080316728 | METAL CORE FOLDOVER PACKAGE STRUCTURES - Chip-scale packages and assemblies thereof are disclosed. The chip-scale package includes a core member of a metal or alloy having a recess for at least partially receiving a die therein and includes at least one flange member partially folded over another portion of the core member. Conductive traces extend from one side of the package over the at least one flange member to an opposing side of the package. Systems including the chip-scale packages and assemblies are also disclosed. | 2008-12-25 |
20080316729 | Skew controlled leadframe for a contact module assembly - A leadframe for a contact module assembly includes a terminal set having first, second and third terminals configured to operate in one of a signal-signal-ground pattern and a ground-signal-signal pattern. Each of the terminals have a length that extends between a mating end and a mounting end, wherein a difference in lengths between the first terminal and the second terminal is the same as a difference in lengths between the second terminal and the third terminal such that the terminal set has the same amount of skew between the terminals defining signal contacts in both the signal-signal-ground pattern and the ground-signal-signal pattern. | 2008-12-25 |
20080316730 | User Interface and Method for Control of Light Systems - An interface device ( | 2008-12-25 |
20080316731 | GRILL LIGHT WITH AUTOMATIC SWITCH - A barbecue grill light having an automatic switch is provided. The barbecue grill light is comprised of a light housing having a light source, the light housing being mounted to the lid of the barbecue grill; an automatic switch connected to the light source wherein the automatic switch is a timer, the automatic switch manipulating illumination of the light source; and, a manual switch on the light housing providing an override to the automatic switch for controlling illumination of the light source. | 2008-12-25 |
20080316732 | AQUARIUM WITH ADJUSTABLE LIGHTING - An aquarium having an adjustable lighting system for enhancing the display of fluorescent objects, such as fluorescent fish, contained within the aquarium under various external lighting conditions, such as a dark room or a brightly lit room. The aquarium comprises a tank and a plurality of light sources. Each light source emits light at a different wavelength spectrum which is selected to enhance the display of the fluorescent object under each type of external lighting condition. An electronic control is provided to control the operation of the plurality of light sources such that each light source may be selectively turned on/off based on the external lighting condition, or chronological criteria, to provide the best viewing experience. | 2008-12-25 |
20080316733 | LIGHTING DEVICE HAVING ADJUSTABLE SPOT BEAM - A headlamp lighting device is provided that allows for the adjustment of the size of the light beam and forward heat dissipation. The lighting device includes a housing, a light source provided on the housing for generating a light beam, and an optical focus lens disposed in the path of the light beam for focusing the light beam. The lighting device also includes a lens ring supporting the optical focus lens to move the focus lens relative to the light source to adjust size of the light beam. The lens ring also serves as an outer heat sink in thermal conductive relationship with an inner heat sink. | 2008-12-25 |
20080316734 | LIGHTING DEVICE HAVING FORWARD DIRECTED HEAT SINK ASSEMBLY - A headlamp lighting device is provided that allows for the adjustment of the size of the light beam and forward heat dissipation. The lighting device includes a housing, a light source provided on the housing for generating a light beam, and an optical focus lens disposed in the path of the light beam for focusing the light beam. The lighting device also includes a lens ring supporting the optical focus lens to move the focus lens relative to the light source to adjust size of the light beam. The lens ring also serves as an outer heat sink in thermal conductive relationship with an inner heat sink. | 2008-12-25 |
20080316735 | CLIP TYPE LIGHT EMITTER - The present invention relates to a clip type light emitter, and in particular to a clip type light emitter capable of enhancing a visual field at night by detachably engaging a clip type light emitter to a leisure cap (including hat) generally used for a mountain climbing or fishing or travel or various sports. The clip type light emitter comprises a casing forming a body; a plurality of lamps provided at a front side of the casing at regular intervals; a switch part provided in one side of the casing; a battery provided in the interior of the casing; and a clip provided in an upper side of the casing and having one side end integrally engaged with the casing and having a certain elastic force, wherein the clip type light emitter is detachably engaged to a leisure cap (including hat) used for a mounting climbing, a fishing or various outdoor leisure and sports. | 2008-12-25 |
20080316736 | Portable light - A versatile, low profile, lightweight, compact, body mounted lighting system includes a housing mountable to a person's body and a light module in the housing. The light module may include at least one LED producing a beam. There is a lens in front of the LED and a mechanism is configured to move the lens to adjust the distance between the lens and the LED to vary the size of the beam. | 2008-12-25 |
20080316737 | Glass breaking cap - A glass breaking cap for flashlights, batons and the like is provided. The glass breaking cap has a cylindrical sidewall and a conical top portion. The conical top portion has an apex having an included angle between 86° and 136°. More preferably, the apex has an included angle of 106° to 126° with a preferred included angle of about 116°. Preferably, the glass breaking cap has male or female threads for replacing threaded end caps found on traditional flashlights and batons. | 2008-12-25 |
20080316738 | LAMP MODULE - A lamp module includes: a single piece of a mounting base including an arcuate mounting plate defining two retaining recesses, and a bracket extending upwardly from the mounting plate; two socket units mounted respectively on two opposite ends of the bracket, each of the socket units being formed with pin holes adapted to receive pins of a fluorescent tube; an arcuate reflective plate having two opposite lower ends received in the retaining recesses in the mounting plate; and a pair of connectors provided on the sockets units and having pins for insertion into pin holes in sockets of a ceiling lamp suspending holder. | 2008-12-25 |
20080316739 | Backlight assembly - Provided is a backlight assembly which includes integral power supply sockets and ground sockets, in which the number of parts is reduced in addition to the manufacturing cost. The backlight assembly includes a lamp including a lamp tube and an electrode that protrudes beyond either end of the lamp tube, a power supply socket including a first plate that has a first guide groove through which the electrode is inserted and a plate spring that is disposed on one side of the first plate and fixes the electrode in the first guide groove by pressurizing the electrode, and a bottom chassis containing the lamp and the power supply socket therein, in which the first plate and the plate spring are formed of a conductive material. | 2008-12-25 |
20080316740 | Interior Lamp - An interior lamp can achieve both an excellent illumination function and an excellent illumination effect (providing a comfortable environment) and may possibly provide high merchandizability characteristics. The interior lamp can include an LED light source unit having a substrate and a plurality of white LED lamps and colored LED lamps mounted on the substrate. A cover case can be provided to serve as a light illumination unit. The light illumination unit can include a double-layer structure having a light diffusion layer and a light transmission layer. The light diffusion layer can have a plurality of penetrating holes. The light transmission layer can have a plurality of convex lens portions. The center axes of the penetrating holes and the corresponding lens portions can coincide with corresponding optical axes of the white LED lamps, respectively. The white light from the white LED lamps can be converged by the respective lens portions of the light transmission layer to be radiated outside as spot light(s). The colored light from the colored LED lamps can be diffused through the light diffusion layer to be radiated outside as diffused light. | 2008-12-25 |
20080316741 | LIGHT EMITTING APPARATUS AND SURFACE LIGHT SOURCE APPARATUS HAVING THE SAME - Provided are a light emitting apparatus and a surface light source apparatus having the same. The light emitting apparatus comprises a package body, a first color light emitting part in a first cavity of the package body, and a second color light emitting part in a second cavity of the package body. The package body comprises a plurality of cavities. | 2008-12-25 |
20080316742 | SEVEN COLORS LIGHT EMITTING MODULE AND SEVEN COLORS DECORATING LAMP STRING INCLUDING THE SAME - A seven-color light emitting module and a seven-color decorating lamp string comprising the same. The seven-color light emitting module includes a lampshade made of a transparent plastic or synthetic resin, and a lamp socket on which three colors self-flashing light emitting diode, a zener diode, a current limiting resistance and a double-side printed circuit board (PCB) are sealed. The three colors light emitting diodes connect with PCB and connect with the zener diode in parallel. One end of the zener diode or two ends of the zener diode connects with the current limiting resistance in series. A transparent epoxy resin or silicon glue is filled in the lampshade. The seven-color decorating lamp string include a power supply plugs, a power supply module which has a PCB and a rectifying and filter circuit connected by wires and a plurality of said seven colors light emitting modules | 2008-12-25 |
20080316743 | REMOTE CONTROLLED ATHLETIC FIELD LIGHTING SYSTEM - An athletic field lighting system, wherein fixtures are provided in clusters. Each cluster can be turned, on and set to a nominal output level. Thereafter, individual fixture output intensity levels are adjusted by means of feedback loops containing a photosensor mounted in the back of the reflector of each fixture and a pole-mounted logic center which compares commanded and actual output intensities and produces an error signal capable of producing small increments of adjustment by way of dimmer packs associated with individual fixtures. A short, range radio link is provided between an athletic field command center and each of the individual pole-mounted logic systems. A remote link between, a remote control center and the field located control center may be provided as desired. | 2008-12-25 |
20080316744 | Surface Light Source Device and Apparatus Using the Device - Two light sources | 2008-12-25 |
20080316745 | Light emitting device and manufacture method thereof - A manufacture method of a light emitting device is provided. Firstly, at least one circuit board is provided. A plurality of light emitting packages, a first undetermined power input end and a second undetermined power input end are disposed at the circuit board. The light emitting packages are electrically connected to the first undetermined power input end and the second undetermined power input end. Each of the first undetermined power input end and the second undetermined power input end has at least two first pads. The first pads of each of the first undetermined power input end and the second undetermined power input end are electrically isolated from each other. Next, the first undetermined power input end is selected to be a power input region for inputting an external power signal. Then, the first pads of the second undetermined power input end are electrically connected to each other. | 2008-12-25 |
20080316746 | Heat Resistant Color Mixing Flag for a Multiparameter Light - A method and/or apparatus is provided for constructing a dichroic color mixing flag for a multiparameter light that greatly improves the thermal shock tolerance of the flag and avoids having to use a more costly quartz substrate material as in the prior art. | 2008-12-25 |
20080316747 | Luminaire with Louver Members - The invention relates to a reflector for a luminaire. The reflector comprises a cavity ( | 2008-12-25 |
20080316748 | ILLUMINATION SYSTEM - Illumination systems and related components and methods are disclosed. | 2008-12-25 |
20080316749 | PHOTONIC CRYSTAL OPTICAL CIRCUIT AND METHOD FOR CONTROLLING THE SAME - In an optical circuit including multi-dimensional photonic crystals, in which the optical circuit has a structure ( | 2008-12-25 |
20080316750 | Light Unit and Liquid Crystal Display Device Having the Same - Provided are a light unit and a liquid crystal display (LCD) having the same. The light unit comprises a housing; at least one first printed circuit board (PCB) arranged in the housing in a first direction; at least one second PCB arranged in the housing in a direction opposite to the first direction; and light emitting diodes mounted on the first and second PCBs. | 2008-12-25 |
20080316751 | Reflector shapes for light emitting diode-polarized light sources - A light-emitting device including a light source that exhibits polarization anisotropy and a reflector that is shaped so that for light emitted in at least two directions from the light source, the angle between the dominant polarization directions after reflecting from the reflector is smaller than the angle between the dominant polarization directions before reflecting from the reflector. In the light-emitting device the light source may be a light-emitting diode chip or one of a plurality of light sources. | 2008-12-25 |
20080316752 | Clarifying filter - The clarifying filter is a visual enhancement device in which Liquids, Plasmas, Crystals, or other transparent, translucent, or other non-opaque materials are sandwiched between supporting layers to provide the diffusion provided by such materials to enhance the light provided by a light source. | 2008-12-25 |
20080316753 | Illumination device - An illumination device comprising an LED ( | 2008-12-25 |
20080316754 | Compact, steerable, multidirectional photographic light diffuser and reflector - A diffuser-reflector assembly for use with a photographic flash lamp ( | 2008-12-25 |
20080316755 | LED LAMP HAVING HEAT DISSIPATION STRUCTURE - An LED lamp includes a lamp base, a heat sink and a plurality of LED modules. The lamp base includes a lamp holder and an enclosure connecting with the lamp holder. The enclosure defines a plurality of vents therein. The heat sink is mounted on the lamp base and includes a cylinder at a centre thereof and a plurality of fins surrounding the cylinder. The cylinder has a through hole therein, which communicates with the enclosure. The through hole, the enclosure and the vents cooperatively form an air circulation passage communicating with ambient air. The LED modules are mounted on outmost ones of the fins of the heat sink, respectively. | 2008-12-25 |
20080316756 | LAMP - The present invention provides a lamp structure that overcomes the shortcomings of a typical lamp with a fixed radiation angle and single support or main pedestal. The lamp includes a main pedestal and a support. The main pedestal has an assembly portion. A positioning member is used to control the positioning or released state of the assembly portion, so that the support could be adjusted to allow for flexible rotation of the radiation angle of the light-emitting body if the flexible locking bead and locating hole are positioned securely. The support could be removed from or assembled into different types of main pedestals through the recessed pattern of holes set on the main pedestal. Thus, a single support could be applied to a variety of main pedestals for improved application of lamps. | 2008-12-25 |
20080316757 | VEHICLE LAMP - The disclosed subject matter can include a vehicle lamp having a favorable light distribution and an effective heat dissipation structure. The vehicle lamp can include a light source and a casing in which the light source is sealed. The casing can be configured in a tubular shape and a reflector can be configured in a hollow of the casing. The casing can be sealed between the reflector and a front lens configured to allow light emitted from the light source to pass therethrough. The inner surfaces of the casing and the reflector can be configured to form a predetermined light distribution via the front lens. The outer surfaces of the casing and the reflector can be exposed to the outside and can be configured to radiate heat generated from the light source to the outside using heat conductive material. Thus, the lamp can be miniaturized and provide favorable light distribution. | 2008-12-25 |
20080316758 | LIGHT-EMITTING DIODE MODULE FOR INSTRUMENT PANEL - A light-emitting diode module is mounted on an instrument panel of an automotive vehicle for illuminating a scale plate of the instrument panel. The module is composed of a light-emitting diode and a holder for supporting the diode thereon. The holder includes a housing made of molded resin and conductor plates embedded in the housing. The light-emitting diode is mounted in a depressed portion formed in the housing, and the holder is mounted on a circuit board to supply electric power to the light-emitting diode through the conductor plates embedded in the housing. A front surface of the housing and a front surface of the light-emitting diode are made flush with each other so that a flat surface made by both front surfaces is positioned close to a rear surface of the scale plate. Light emitted from the module is efficiently utilized for illuminating the scale plate by positioning the module at a right position with respect to the light-conducting plate. | 2008-12-25 |
20080316759 | Headlamp with beam patterns formed from semiconductor light sources - Headlamp systems are provided that form desired beam patterns from light supplied by semiconductor light sources. The present invention is headlamp system for a vehicle including at least one first light source, at least one second light source, and a first lens system having at least one lens operably associated with the at least one first light source to provide a spread portion of a desired beam pattern. The present invention also includes second lens system having at least one lens operably associated with the at least one second light source to provide a hot spot portion of the desired beam pattern. | 2008-12-25 |
20080316760 | Led Collimator Element with an Asymmetrical Collimator - The invention relates to an LED collimator element ( | 2008-12-25 |
20080316761 | Free-Form Lenticular Optical Elements and Their Application to Condensers and Headlamps - Some embodiments provide an illumination optical system. The optical system can include a first surface and a second surface. Each of the first and second surfaces can further comprises a multiplicity of corresponding Cartesian-oval lenticulations such that each lenticulation of the first surface focuses a source upon a corresponding lenticulation of the second surface and each lenticulation of the second surface focuses a target upon a corresponding lenticulation of the first surface. | 2008-12-25 |
20080316762 | HEADLIGHT UNIT - A headlight unit having a virtual pivot center provided at a position different from a supported position to a vehicle body. Two, upper and lower headlight supporting portions spaced apart from each other are provided at a rear portion of a headlight unit The upper headlight supporting portion on each side includes a guide shaft formed on a support member of a radiator cover and a groove formed on an upper base portion of the headlight unit. The lower headlight supporting portion on each side includes an elongated hole formed through the support member of the radiator cover and a bolt threadedly engaged with a lower base portion of the headlight unit. The guide shaft and the bolt slide in the groove and the elongated hole, respectively, for performing the swing motion of the headlight unit about the virtual pivot center C to perform an adjustment of an optical axis. | 2008-12-25 |
20080316763 | LIGHTING MODULE FOR MOTOR VEHICLE HEADLIGHT - A lighting module for a motor vehicle headlight, designed to give a beam with cutoff, and comprising at least one light source, a collecting mirror, a bender having a reflective surface and a cutoff edge, a return mirror, for producing towards the front the output beam with cutoff the surfaces of the collecting mirror, of the bend and of the return mirror being conjugate surfaces such that the collecting mirror converts a spherical wave issuing from the center of the source into a wave surface reducing to a two-dimensional curve, convex towards the front, the cutoff edge of the bender is merged with this curve, the return mirror converts the above wave surface into at least one cylindrical wave surface of vertical axis having as its cross-section a curve. | 2008-12-25 |
20080316764 | Lighting Device and Method for Directing Light - An LED module is described with a base | 2008-12-25 |
20080316765 | Led Illuminated screwdriver - The screwdriver has a handle and a rigid shaft that extends from the handle. The shaft has an end for engaging a screw. It also has a bore that extends from the handle to the screw-engaging end of the shaft. A LED is situated in the bore, proximate the screw-engaging end of the shaft. The handle has a recess. A battery is situated within the recess. The LED is electrically connected to battery by a wire extending through the bore, between the LED and the handle. Interchangeable heads are provided for use with screws of various configurations. | 2008-12-25 |
20080316766 | WAVEGUIDE AND LIGHT EMITTING DEVICE HAVING THE SAME - A waveguide based on a three-dimensional photonic crystal is arranged to provide wave-guiding in a single mode and a mode having a field strength distribution with unimodality in a plane perpendicular to the wave-guiding direction, to thereby enable wave-guiding in a desired frequency band, wherein the three-dimensional photonic crystal has a plurality of line defect members which include a first line defect member made of a medium having a refractive index not smaller than that of the columnar structures and formed in a direction perpendicular to the direction in which the columnar structures extend, and a second line defect member formed in the same direction as the first line defect member. | 2008-12-25 |
20080316767 | Liquid Crystal Display Using Different Light Radiation Angles Of Light Emitting Diodes - A liquid crystal display with low manufacturing cost, small dark area and compact exterior is provided by utilizing a plurality of differently radiating light emitting diodes at different angles. The liquid crystal of present invention includes a thin film transistor panel for displaying image, a backlight assembly for providing light to the thin film transistor panel with a plurality of light emitting diodes with different light radiation angles and a light guiding plate, and a frame unit for encompassing the thin film transistor panel and the backlight assembly. The light emitting diodes are placed either at the mid-point of light incident surface or the corner portion of the light guiding plate. | 2008-12-25 |
20080316768 | Flat Panel Lens - A light guide with input and output faces | 2008-12-25 |
20080316769 | Spread illuminating apparatus - A spread illuminating apparatus includes an LED, a transparent resin plate and a light reflecting sheet, wherein the transparent resin plate includes slits adapted to have inserted therein flap portions of the light reflecting sheet, and wherein an adhesive tape with flexibility is placed along at least one flap portion of the light reflecting sheet so as to cover at least one slit of the transparent resin plate, whereby the light reflecting sheet is prevented from warping or undulating in spite of difference in thermal expansion coefficient between the materials of the transparent resin plate and the light reflecting sheet, and also whereby light emitted from the LED and traveling in the transparent resin plate is totally reflected by the flap portions and therefore prevented from leaking from the outer side surfaces of the transparent resin plate. | 2008-12-25 |
20080316770 | Backlight and light guide plate, method of manufacturing diffuser and light guide plate, and liquid crystal display apparatus - The present invention relates to a backlight and a light guide plate, a method of manufacturing a diffuser and the light guide plate, and to a liquid crystal display apparatus, all enabling a cost reduction by reducing the parts count and curtailing unnecessary manufacturing processing. A diffuser | 2008-12-25 |
20080316771 | DISPLAY DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE - A display device includes a point light source; a light source substrate; a rear frame including a first side wall and a bottom, the light source substrate being disposed at an inner surface of the first side wall; and a front frame engaged with the rear frame and including a second side wall that faces the first side wall. The first side wall and the second side wall respectively have a first through hole and a second through hole through which a screw is inserted. The light source substrate has a screw hole to be screwed with the screw and is located only at a position corresponding to the first through hole and the second through hole. The light source substrate is fixed by the screw that is inserted into the first through hole and the second through hole and is screwed into the screw hole. | 2008-12-25 |
20080316772 | Spread illuminating apparatus, transparent resin plate for use in spread illuminating apparatus, and method of injection-molding transparent resin plate - A spread illuminating apparatus of side light type includes a transparent resin plate integrally composed of a light conductor plate portion and a housing frame portion, a light reflecting sheet, and a light source, wherein an opening for housing the light source is provided at a side portion of the transparent resin plate, slits are provided along a boundary between the light conductor plate portion and the housing frame portion, and wherein a gate for injecting resin into a molding die cavity for the transparent resin plate is positioned outside the boundary of the light conductor plate portion and the housing frame portion and is positioned also between the opening and one of slits which are provided toward the side portion of the transparent resin plate having the opening and which are located clear of the opening. | 2008-12-25 |
20080316773 | High Voltage Power Supply for Static Neutralizers - A high voltage power supply for a static neutralizer is disclosed. The high voltage power supply includes a resonant converter and a load with an emitter module having an emitter, reference electrode, and a capacitance value. The resonant converter is disposed to have a resonant frequency and an output coupled to the load. The resonant converter generates an output waveform with an amplitude sufficient for generating to ions by corona discharge when the load receives the output waveform. The load is predominantly capacitive when the resonant converter is operating at the resonant frequency. | 2008-12-25 |
20080316774 | POWER SUPPLY UNIT - A power supply unit that allows a main battery and an auxiliary battery to be charged by a system power supply is disclosed. The first and second bridge circuits of the power supply unit are each formed of four switching elements. The transformer of the power supply unit has a primary winding connected to the first bridge circuit, and a secondary winding connected to the second bridge circuit. The DC/DC converter of the power supply unit allows the auxiliary battery to be connected to the first and second circuits. The controller of the power supply unit controls the switching elements of the first bridge circuit, the switching elements of the second bridge circuit, and the switching element of the DC/DC converter such that power that has been charged to the main battery is output as an AC voltage having voltage and frequency for electric appliances. | 2008-12-25 |
20080316775 | Soft-switching circuit for power supply - A soft-switching circuit for a power supply comprises a bridgeless rectifier circuit and an auxiliary circuit. The auxiliary circuit is connected to the bridgeless rectifier circuit, which comprises at least one filtering inductor, two main switches, two diodes and a capacitor. The filtering inductor is connected to the first diode. The first diode is connected to the second diode. The second diode is connected to the first main switch. The first main switch is connected to the second main switch. The diodes and the main switches are connected in parallel with the capacitor to reduce conducting loss. The auxiliary circuit comprises at least one resonant inductor, an auxiliary switch, at least two diodes and a voltage source circuit. The diodes are connected to the resonant inductor and further connected to the voltage source circuit. The voltage source circuit is connected to the auxiliary switch, whereby the soft-switching circuit can accomplish zero voltage switching and zero current switching to provide low conducting loss and low switching loss. | 2008-12-25 |
20080316776 | RESONANT-TYPE SWITCHING POWER SUPPLY DEVICE - There is provided a switching power supply device having one half-wave rectifying circuit made up of switching elements complementarily turned on or off, a reactor, a current resonance capacitor, a transformer, and a rectifying diode and another half-wave rectifying circuit made up of switching elements complementarily turned on or off, a reactor, a current resonance capacitor, a transformer, and a rectifying diode and configured so that the half-wave rectifying circuits commonly charges a smoothing capacitor. The switching elements are turned on or off according to a voltage of the smoothing capacitor and other switching elements are turned on or off based on a difference between a charging voltage of the current resonance capacitor and a charging voltage of the current resonance capacitor. As a result, power energy fed from the half-wave rectifying circuits connected in parallel is made equal. | 2008-12-25 |
20080316777 | Method for thermal protection of frequency converter and a frequency converter - A method for thermal protection of a frequency converter and a frequency converter that comprises means for controlling the output current of the frequency converter. The method comprises the steps of determining beforehand two or more data points which define a thermal current limit for a semiconductor component of the frequency converter at specific temperatures at two or more switching frequencies, determining beforehand two or more data points which define a thermal current limit for the semiconductor component at specific temperatures at a zero converter output frequency, measuring the temperature of the semiconductor component, determining the switching frequency of the frequency converter, determining the output frequency of the frequency converter, determining the highest allowable thermal current as a function of measured temperature, determined switching frequency and determined output frequency on the basis of the defined data points, and limiting the output current of the frequency converter to the determined highest allowable thermal current. | 2008-12-25 |
20080316778 | 7-Level wye-connected H-bridge converter topology for powering a high-speed electric motor - A 7-level wye-connected H-bridge converter that provides redundancy for continued operation when one bridge phase has failed and more particularly to a topology that includes multiple semiconductor H-bridges and a three-phase semiconductor mid-bridge. The converter may continue operation with failure of any bridge, as a three-phase, wye-connected H-bridge by bypassing the failed bridge. Individual bridges of the converter may be operated at different dc-bus voltages to maximize power output. The converter may employ synchronous gating signals for the semiconductor devices of the bridges, including a zero-current notch waveform for minimizing harmonic distortion of the output waveform. | 2008-12-25 |
20080316779 | SYSTEM AND METHOD FOR ESTIMATING INPUT POWER FOR A POWER PROCESSING CIRCUIT - A controller for a power processing circuit and a related method of operating the same. In one embodiment, the controller includes a multiplier configured to produce a product of an input current and an input voltage of the power processing circuit. The controller also includes a low-pass filter configured to produce an input power estimate of an input power to the power processing circuit as a function of the product of the input current and the input voltage. In another embodiment, the controller is a power-factor controller and includes a voltage loop compensator configured to produce a voltage compensation signal as a function of an output voltage of the power processing circuit. The controller also includes an input power estimator configured to produce an input power estimate of an input power to the power processing circuit as a function of the voltage compensation signal. | 2008-12-25 |
20080316780 | Limitation of voltage pulse - Method and arrangement for controlling the output voltage pulses of a PWM frequency converter, in which PWM frequency converter is a network bridge ( | 2008-12-25 |
20080316781 | BUCK CONVERTER LED DRIVER CIRCUIT - A buck converter LED driver circuit is provided. The driver circuit includes a buck power stage, a rectified AC voltage source, a voltage waveform sampler, and a control circuit. The buck power stage includes at least one LED and provides a first signal directly proportional to the current through the LED. The rectified AC voltage source is coupled to the buck power stage for driving the buck power stage. The voltage waveform sampler is coupled to the rectified AC voltage source for providing a second signal directly proportional to the voltage provided by the rectified AC voltage source. The control circuit is coupled to the voltage waveform sampler and the buck power stage for turning on and turning off the buck power stage according to a comparison between the first signal and the second signal. | 2008-12-25 |
20080316782 | SYSTEM AND METHOD FOR PRODUCTING ANHARMONIC MULTI-PHASE CURRENTS - A system and method for producing anharmonic multi-phase currents wherein the harmonic component of an inverter is filtered and superimposed with a series of control pulses to create a control signal. The control signal is fed back to the inverter, causing the inverter to produce anharmonic multi-phase currents. | 2008-12-25 |
20080316783 | Interleaved power factor correction pre-regulator phase management circuitry - Methods for power factor correction (PFC) and for reducing conduction losses and switching losses in a power converter as well as the power converter and phase management circuitry for the power converter. The power converter includes a first PFC pre-regulator interleaved with at least one additional PFC pre-regulator, and a step down converter. The average input power is measured downstream of the front end at the step down converter and the average current sense signal is compared to a reference voltage. Each additional PFC pre-regulator is disable when output power generated by the front end is less than a first pre-designated rated power level and each additional PFC pre-regulator is enabled when the output power is greater than a second pre-designated rated power level. | 2008-12-25 |
20080316784 | ISOLATED RADIATION HARDENED ELECTRONICS ON/OFF CONTROL CIRCUIT - An isolated ground on/off control circuit includes a first transformer amplifying an AC input voltage, a second transformer connected in parallel to the first transformer; and output circuitry that rectifies the AC input voltage to an isolated DC output voltage. The on/off control circuit may provide improved redundant operation by utilizing a first and a second transformer in parallel and dual diodes for rectification. An on/off command transformer may be designed to have the smallest manufacturable package size and to meet aerospace requirements. The on/off control circuit and method for providing an isolated on/off command to an electronic device as in one embodiment of the present invention may be suitable for, but not limited to, applications in the aircraft and aerospace industries, such as applications in electronic equipments of spacecraft. | 2008-12-25 |
20080316785 | POWER SOURCE APPARATUS - A power source apparatus has a series circuit connected between output terminals of a DC power source, the series circuit including a primary winding of a transformer and a switching element; a controller configured to control an ON/OFF operation of the switching element; and an output diode connected between terminals of a second winding of the transformer and configured to rectify an alternating current that is induced on the secondary winding when the controller turns on/off the switching element. The output diode includes a plurality of diodes that are connected in parallel with one another and are made of wide-gap semiconductor. | 2008-12-25 |
20080316786 | Cooling-fin mounted rectifier for vehicular AC generators - A rectifier for an alternating current generator is provided. The rectifier comprise a plurality of high-side rectifying elements and a plurality of low-side rectifying elements. The high-side rectifying elements are held by a plurality of high-side cooling fins, while the high-side rectifying elements are held by a plurality of low-side cooling fins. By way of example, the plurality of high-side cooling fins are disposed to be apart from each other by a predetermined distance and the plurality of low-side cooling fins are disposed to be apart from each other by a predetermined distance. | 2008-12-25 |
20080316787 | METHOD AND APPARATUS FOR ADDRESS ALLOTTING AND VERIFICATION IN A SEMICONDUCTOR DEVICE - A semiconductor device includes a CAM cell array that stores the operation setting information as to the semiconductor device, a controller that controls read and write of the CAM cell array, a row decoder, and a column decoder. With this structure, different row addresses are allocated to respective functions of the operation setting information. Accordingly, stress is not caused in the CAM cell array of the unselected functions at the time of programming. | 2008-12-25 |