47th week of 2009 patent applcation highlights part 24 |
Patent application number | Title | Published |
20090284898 | RESISTIVE PASTE AND MONOLITHIC CERAMIC CAPACITOR - The formation of a resistive electrode layer as a portion of an external electrode of a monolithic ceramic capacitor by baking a resistive paste, which contains ITO, a glass frit, and an organic vehicle, to impart the function of a resistance element to the external electrode may lead to the occurrence of blisters or reduced denseness. This is modulated when the resistive paste further contains a densification promoting metal or oxide, which promotes densification of a sintered compact of the resistive paste, and a densification preventing metal oxide, which prevents the densification. | 2009-11-19 |
20090284899 | DIELECTRIC CERAMICS AND CAPACITOR - A dielectric ceramic and a capacitor comprising the dielectric ceramic are disclosed. The dielectric ceramic has a high dielectric constant that is stable over temperature, and has a small spontaneous polarization. The capacitor can reduce audible noise caused by an electrically induced strain in a power supply circuit. | 2009-11-19 |
20090284900 | Electrode Material for Electric Double Layer Capacitor, Method for Producing the Same, Electrode for Electric Double Layer Capacitor and Electric Double Layer Capacitor - An electrode material for an electric double layer capacitor, where a moldability is good, a flexion resistance and a cohesiveness to a current collector after molding into an active material layer are high and an internal resistance can be reduced, an electrode for an electric double layer capacitor obtained using the electrode material, and a capacitor are provided. The electrode material for the electric double layer capacitor is composed of a mixture particle containing a binder and an electrode active material, and in said mixture particle, 50 area % or more of a surface of said mixture particle has been coated with the binder. | 2009-11-19 |
20090284901 | SUBSEA SWITCHGEAR APPARATUS - A subsea switchgear apparatus including a frame, at least one electrical power inlet mounted to the frame, at least one electrical power outlet mounted to the frame, a distribution chamber mounted to the frame, and at least one canister mounted to the frame. The at least one canister includes a chamber accommodating at least one high voltage circuit breaker. Electrical connections are arranged in the distribution chamber for electrically connecting a respective circuit breaker of a canister to an associated power inlet and power outlet of the switchgear apparatus. The chamber of the respective canister is separated from the distribution chamber by a pressure barrier. | 2009-11-19 |
20090284902 | STORAGE DEVICES INCLUDING DIFFERENT SETS OF CONTACTS - A storage device can include a first outer surface and a second outer surface opposite the first outer surface. The storage device can further include first and second sets of contacts arranged to couple to first and second connectors, respectively. The first outer surface can be closer to the first set of contacts than the second set of contacts, and the second outer surface can be closer to the second set of contacts than the first set of contacts. In a particular embodiment, the storage device can include a circuit board having first and second major surfaces. The first and second sets of contacts are disposed on the first and second major surfaces, respectively. The storage device can be in a form of a solid-state drive. Further, the storage device can be communicatively coupled to a process of an information handling system. | 2009-11-19 |
20090284903 | DISPLAY MODULE CAPABLE OF ADJUSTING LOCATION OF AN OPENING OF AN ELECTRONIC DEVICE - A display module includes a display device, a chest, and a linkage device. A first opening is formed at a display side of the display device. The chest includes a case, an electronic device installed inside the case, a frame fixed to the case and disposed at a side of the electronic device, and a chassis pivotally connected to a first guide rail of the frame. The electronic device has a second opening. The chassis is used for holding the electronic device. The linkage device pivots at the chassis and is fixed to the case and the display device. The linkage device is used for driving the chassis to move along the first guide rail of the frame when the first opening rotates to a first location so that the second opening moves to a second location corresponding to the first location accordingly. | 2009-11-19 |
20090284904 | Curved Display Panel and Method for Manufacturing the same - A curved display panel includes a display module, a first fixing substrate and an adhering material. The display module has a first glass plate. The first glass plate has a first curved surface. The first fixing substrate has a second curved surface facing the first curved surface. The adhering material is connected between the first curved surface and the second curved surface. | 2009-11-19 |
20090284905 | Electronic apparatus and method of making the same - In a method of making an electronic apparatus, electronic devices and a mold are placed in a package such that pads of electronic devices are covered with the mold. An electrical insulator is poured into the package, in which the mold is placed, to fill the package. The mold is removed from the electrical insulator to form a space where the pads are exposed. An electrical conductor is placed in the space such that the pads are electrically connected together through the electrical conductor. The electrical conductor is in the form of a liquid or a solid having both fluidity and deformability. | 2009-11-19 |
20090284906 | PROTECTIVE COVER MECHANISM AND PORTABLE ELECTRONIC DEVCIE USING SAME - A protective cover mechanism for an interface opening of a portable electronic device includes a protective cover and a sliding member. The protective cover includes a cover body for covering the interface opening, and a shaft projecting from the cover body. The sliding member is engaged with the shaft of the protective cover so the cover body is rotatable relative to the sliding member to selectively cover or expose the interface opening. | 2009-11-19 |
20090284907 | METHOD AND APPARATUS FOR MOUNTING SERVER BLADES IN A BLADE CHASSIS - A system includes a plurality of modular information handling systems, a chassis configured to house the plurality of modular information handling systems, a chassis support structure coupled to the chassis, and a modular system support structure coupled to a particular modular information handling system. The modular system support structure is configured to interact with the chassis support structure to support the particular modular information handling system in the chassis in a suspended manner. | 2009-11-19 |
20090284908 | Bag computer computing unit panel - The disclosed invention is a panel-like computer with physical and electrical connections enabling it to be connected to the interior front wall of a matching bag. The resulting bag computer may further includes: a bag with means to attach matching computer equipment components; a pivoting display panel located near the exterior top front of the bag front with its display facing away from the bag; a pivoting cover for the display panel; an optional input device, such as a keyboard, located near the exterior center of the bag front. The computing unit panel is mounted to the interior of the bag's front wall using a support structure which physically and electrically holds and aligns the bag and other computing equipment while forming a rigid front to assist storage of the exterior front mounted equipment. | 2009-11-19 |
20090284909 | FLAT PANEL DISPLAY AND CHIP BONDING PAD - A flat panel display and a chip bonding pad thereof are provided. The flat panel display includes a display panel, an FPC board, first and second source driving chips, and a control circuit board. First and second wires in a peripheral circuit region of the display panel extend from the underneath of the FPC board to two opposite sides of the display panel and electrically connect the FPC board. The first source driving chips electrically connect the FPC board through parts of the first wires. The second source driving chips electrically connect the FPC board through the second wires. The chip bonding pad is under one of the first and second source driving chips. The chip bonding pad includes a first dielectric layer having first through holes and a second dielectric layer having second and third through holes arranged alternately. The second through holes correspond to the first through holes. | 2009-11-19 |
20090284910 | SUPPORTING AND DAMPING STRUCTURE OF HARD DISK DRIVE - A supporting and damping structure of a hard disk drive (HDD) that includes a housing and a printed circuit board (PCB) coupled to the housing. The supporting and damping structure includes extension parts extending from at least both edges of the PCB beyond the housing; and support members supporting the extension parts so that the HDD does not directly contact an electronic device in which the HDD is installed. The support members include dampers formed of a viscoelastic material and coupled to the extension parts and/or lower supporters and upper supporters respectively disposed on a base and a cover of the electronic device. | 2009-11-19 |
20090284911 | PELTIER-ASSISTED LIQUID-COOLED COMPUTER ENCLOSURE - Disclosed is a design for a computer enclosure. Heat is passed from the heat-generating components directly to a non-conductive liquid coolant. Some of the heat is expelled directly to the environment via a heatsink “chimney”, and some is expelled with the help of a thermoelectric heat pump. | 2009-11-19 |
20090284912 | NOTEBOOK COMPUTER WITH THERMAL MODULE - A notebook computer (1000) includes a base (100), a cover (300), a computer printed circuit board (PCB) (200) and a centrifugal fan (40). The cover covers the base, and cooperates with the base to form a receiving space (500) therebetween. The computer PCB is received in the receiving space and mounted on the base. The centrifugal fan is received in the receiving space, and includes a stator (401) and an impeller (402), rotatable with respect to the stator. The stator includes a motor (415) and a fan PCB (405) directly attached to the base. The motor electrically connects to the fan PCB. When the impeller rotates, airflow enters the receiving space through top and bottom air inlets (304,104). The fan PCB is integrally formed with the computer PCB and has a height less than the computer PCB. | 2009-11-19 |
20090284913 | APPARATUS INCLUDING PROCESSOR - An apparatus is disclosed. The apparatus includes a processor having a major surface, where the processor generates heat when energized. It also includes a heat dissipation plate comprising a thermally conductive material, and includes a first portion with flat opposing surfaces and a second portion substantially perpendicular to the first portion. The heat dissipation plate is adapted to dissipate heat from the processor. It also includes an array of pins, where the pins in the array of pins are substantially perpendicular to the flat opposing surfaces of the heat dissipation plate, and a heat dissipating material contacting the heat dissipation plate and the major surface of the processor. The heat dissipating material does not contact the second portion of the heat dissipating plate, and the pins are configured to be received in a socket assembly on a circuit board. | 2009-11-19 |
20090284914 | NON-POSITIONAL HIGH-LOAD SECURING METHOD FOR MEZZANINE BOARD ASSEMBLIES - A bracket device for securing a mezzanine board assembly includes a brace including a rigid bar and a plurality of connector portions connected to the bar. Each of the plurality of connector portions has a hole. A plurality of pins each configured to respectively pass through the hole in each of the plurality of connector portions and engage an attachment part of the mezzanine board assembly. The bracket device also includes a plurality of mounting brackets movably attached to the plurality of connector portions, each having a guide configured to engage a holder for the mezzanine board assembly. A method for securing a mezzanine board assembly includes inserting a pin into a hole at a connector portion of a brace and movably attaching a mounting bracket to the connector portion. The pin passes through an opening of the connector portion. The method also includes installing a guide of the mezzanine board assembly to a holder for the mezzanine board assembly, engaging a pin with attachment part of the mezzanine board assembly, and extracting the mezzanine board assembly using a bar of the brace. | 2009-11-19 |
20090284915 | COMPUTER ENCLOSURE WITH DETACHABLE TOP COVER - A computer enclosure includes a chassis ( | 2009-11-19 |
20090284916 | Panel Module for a Computer Enclosure, and the Computer Enclosure - A panel module for a computer enclosure includes a main panel, a linkage member, a cover panel, and a resilient limiting member. The main panel has a cover region and an opening provided in the cover region. The linkage member is connected pivotally to the main and cover panels. The cover panel is movable relative to the main panel to be closed upon or flipped away from the cover region. The linkage member is disposed at a closed position when the cover panel is closed. The limiting member is interposed between the main panel and the linkage member to limit the linkage member to the closed position, and enables the linkage member to be automatically restored to the closed position when the cover panel is to be closed, thereby permitting easy and proper closing of the cover panel. | 2009-11-19 |
20090284917 | Connecting module and electronic device coupling system - A connecting module includes: a main section in which an electronic circuit is housed; a plate section that is rotatably supported by the main section, and that is adapted to lie in front of the main section, and that is rotatable between a flat position in which an electronic device is laid on a first face representing a top face and a standing position in which the electronic device is leaned against a second face representing a back face opposite to the first face; and a first connector that couples with the electronic device laid on the plate section when the plate section is in the flat position so as to connect the electronic device to the electronic circuit in the main section. | 2009-11-19 |
20090284918 | ELECTRONIC DEVICE WITH PHONONIC CRYSTAL STRUCTURE - An exemplary electronic device includes a housing and a plurality of parallel bars. The housing defines a chamber therein and a heat-dissipating opening at one side thereof. The bars are configured for abating noises, and are received in the chamber and adjacent to the heat-dissipating opening. The bars are arranged in a two-dimensional crystal lattice. | 2009-11-19 |
20090284919 | HOT-PLUGGING FAN MODULE AND HOT-PLUGGING FAN SUITE - The present disclosure discloses a hot-plugging fan module, which includes a fan, a fan holder for holding the fan, and a transit circuit board module. A flexible conductive metal fin is set on one side of the transit circuit board module, and the flexible conductive metal fin is connected with a cable led out of the fan through the opposite side of the transit circuit board module. The present disclosure also discloses a hot-plugging fan suite. The embodiments of the present disclosure save space and enhance the heat dissipation capability of the system. | 2009-11-19 |
20090284920 | COMBINATION HEAT SINK - A combination heat sink form of a stack of radiation fins is disclosed. Each radiation fin has retaining flanges at two opposite lateral sides for securing another radiation fin. Each retaining flange has a bottom neck perpendicularly extending from the respective radiation fin, two pairs of vertically spaced retaining fingers respectively extending from two opposite lateral sides of the bottom neck in a parallel manner relative to the respective radiation fin for securing another radiation fin, a top retaining notch defined between the two pairs of vertically spaced retaining fingers above the bottom neck for accommodating the bottom neck of another radiation fin, and a retaining gap defined between each two vertically spaced retaining fingers for receiving another radiation fin. | 2009-11-19 |
20090284921 | Apparatus and Methods for High-Performance Liquid Cooling of Multiple Chips with Disparate Cooling Requirements - Apparatus and methods are provided for packaging multi-chip modules with liquid cooling modules designed to provide different thermal resistances for effectively conducting heat from various chips with disparate cooling requirements while minimizing mechanical stresses in thermal bonds due to thermal excursions. | 2009-11-19 |
20090284922 | HIGH-POWER THYRISTOR MODULE HAVING COOLING EFFECT - A high-power thyristor module includes a housing configured with an inner receiving space, and a thyristor unit disposed in the inner receiving space in the housing and including a mounting frame, and a plurality of high-power thyristors mounted on the mounting frame. Each thyristor has a gate. The mounting frame includes a dielectric top plate disposed on a top side of the housing, and a plurality of electrodes mounted on the top plate so that the electrodes are exposed outwardly of the housing, and coupled respectively to the gates of the thyristors. Cooling oil is contained in the inner receiving space so that the thyristors are submerged thereby. | 2009-11-19 |
20090284923 | IGBT PACKAGING AND COOLING USING PCM AND LIQUID - A power control system may use power semiconductor devices such as insulated gate bipolar transistors (IGBT's) in a switching unit to provide motor control. The IGBT's may be cooled with a system that is configured and sized to provide proper cooling at steady-state operating conditions of the switching unit. The IGBT's may be placed in thermal communication with a compartment that may contain phase change material (PCM). When and if the switching unit is operated under transient high load conditions, excess heat may be absorbed by melting of the PCM. When steady state operating conditions are restored the PCM may solidify and release its latent heat to a coolant. The PCM may thus act as a thermal buffer for the cooling system and thus may provide that the cooling system may be minimally sized. | 2009-11-19 |
20090284924 | THERMAL TRANSFER TECHNIQUE USING HEAT PIPES WITH INTEGRAL RACK RAILS - A thermal transfer apparatus for cooling a heat-producing electronic component includes an evaporator disposed over the heat-producing electronic component and thermally coupled to the heat-producing electronic component, a plurality of heat pipes carrying a working fluid therein disposed over the evaporator and thermally coupled to the evaporator, a cold plate thermally coupled to a first end of the plurality of heat pipes, and a condenser thermally coupled to a second end of the plurality of heat pipes. The heat pipes extend over the evaporator such that the first end and the second end of the heat pipes couple to the cold plate and condenser at a location not over the heat-producing electronic component. The cold plate and the condenser are supplied with a coolant from outside the thermal transfer apparatus. | 2009-11-19 |
20090284925 | EVAPORATOR FOR A COOLING CIRCUIT - An evaporator is disclosed for a cooling circuit. The evaporator includes a housing having at least one wall for contacting a heat emitting device. A channel, the cross section of which is small enough to allow convection boiling, and a separation volume are located in the evaporator. The separation volume is located at a vapor exiting port of the channel. The evaporator can include a liquid reservoir. | 2009-11-19 |
20090284926 | TWO-PHASE COOLING CIRCUIT - The disclosure relates to a two-phase cooling circuit. The cooling circuit can include an evaporator and a condenser. The evaporator and condenser can be connected by a feeder line and a first return line. A phase separator is arranged at an inlet side of the condenser. The phase separator can be connected with the evaporator by a second return line. | 2009-11-19 |
20090284927 | HEAT SINK AND METHOD OF MANUFACTURING THE SAME - A heat sink includes a base plate and a plurality of cylindrical pins extending upwardly from the base plate. The cylindrical pins each include an upper dissipating portion, a lower mounting portion, and an engaging portion between the dissipating portion and the mounting portion. The mounting portion is interferentially fitted in a lower part of a corresponding aperture of the base plate. The engaging portion has a diameter smaller than that of the mounting portion. The engaging portion is cramped by an interior wall of the base plate defining an upper part of the corresponding aperture of the base plate by punching an upper surface of the base plate downwardly at a rim of the corresponding aperture. | 2009-11-19 |
20090284928 | Enhancing the Cooling of Dual In-Line Memory Modules - An apparatus for enhancing the cooling of a dual in-line memory module (DIMM) includes a planar body having opposing surfaces, a top edge, a bottom edge, and opposing ends. An engagement flange is connected to the bottom edge of the body. A first clip leg is connected to the engagement flange. The first clip leg includes a tab arranged to engage one mounting latch recess of the DIMM. A second clip leg connected to the engagement flange. The second clip leg includes a tab arranged to engage the other mounting latch recess of the DIMM. | 2009-11-19 |
20090284929 | HEAT DISSIPATION ASSEMBLY - A heat dissipation assembly ( | 2009-11-19 |
20090284930 | MODULAR HEATSINK MOUNTING SYSTEM - In one example, a host system includes a PCB, a plurality of rails disposed on the PCB, and a connector disposed on the PCB. The PCB, rails and connector define a slot configured to receive an optoelectronic module. The host system further includes means for removably mounting a modular heatsink to the host system such that the host system directly contacts the optoelectronic module when the optoelectronic module is fully inserted into the slot. The means for removably mounting has a standardized arrangement such that any modular heatsink having a mounting arrangement that is complementary to the standardized arranged can be removably mounted to the host system. | 2009-11-19 |
20090284931 | NESTED FIN INTEGRAL HEAT SINK ASSEMBLY FOR MULTIPLE HIGH POWER ELECTONIC CIRCUIT BOARD MODULES - A method and apparatus for heat sinking for multiple high power circuit board modules, is provided. One implementation involves providing a compact nested fin integral heat sink assembly for each high power circuit board module, and positioning fin sections on the heat sink assembly such that a plurality of nested fin sections emanate from each board side heat spreader plate of the assembly, thereby providing efficient airflow gap, pressure drop, and heat sink base spreading performance. The fin section can be placed essentially directly over high power components on each board module to minimize spreading resistance in a heat sink base of the assembly. The fin sections on each board module side provide channel depth without extending from an opposite side heat sink base, thereby increasing fin surface area for each local region of fins from either heat sink base. | 2009-11-19 |
20090284932 | Thermally Enhanced Package with Embedded Metal Slug and Patterned Circuitry - The present invention thermally enhanced package with embedded metal slug and patterned circuitry discloses a thermal enhanced package with an embedded metal slug that can be easy directly assembled to the printed circuit board to significantly improve package's thermal dissipation efficiency through the assistance of metal traces in the application board. | 2009-11-19 |
20090284933 | COMBINATION TYPE HEAT DISSIPATION MODULE - A combination type heat dissipation module applied to dissipate at least one heat source is disclosed. The combination type heat dissipation module comprises a heat dissipation base and a plurality of heat dissipation cells. A base heat conduction surface of the heat dissipation base is applied to connect the heat source, a plurality of assembling grooves are recessed from a base heat dissipation surface of the heat dissipation base, and a cell body of each heat dissipation cell has a cell heat dissipation surface. At least two of the heat dissipation cells are respectively assembled to at least two of the assembling grooves, and keep their cell heat dissipation surfaces being exposed from the base heat dissipation surface. | 2009-11-19 |
20090284934 | DATA ACQUISITION MODULE AND SYSTEM - The present invention relates to units or modules for data acquisition that may either be used as stand alone units or be used to form a modular system where a plurality of modules are mounted together in a frame or rack structure as well as combinations of such stand-alone units and frames. More specifically the invention relates to a module for data acquisition comprising a detachable front unit ( | 2009-11-19 |
20090284935 | STRUCTURE AND MANUFACTURING PROCESS FOR CIRCUIT BOARD - A circuit board structure comprising a composite layer, a fine circuit pattern and a patterned conductive layer is provided. The fine circuit pattern is inlaid in the composite layer, and the patterned conductive layer is disposed on a surface of the composite layer. After fine circuit grooves are formed on the surface of the composite layer, conductive material is filled into the grooves to form the fine circuit pattern inlaid in the composite layer. Since this fine circuit pattern has relatively fine line width and spacing, the circuit board structure has a higher wiring density. | 2009-11-19 |
20090284936 | Combination of a Main Carrier and a Printed Circuit Board with Components - A combination of a main carrier and a printed circuit board. Light and heavy electrical and/or electronic components are fixed on the printed circuit board, wherein at least one heavy component is mechanically fixedly connected to the main carrier and electrically conductively connected to conductor tracks of a first section of the printed circuit board. The first section of the printed circuit board is electrically conductively connected to a second section of the printed circuit board and decoupled from the second section of the printed circuit board with regard to mechanical vibrations by means of a decoupling device. The decoupling device may be, for example, a flexible section or a recess formed in said printed circuit board. | 2009-11-19 |
20090284937 | Electric Circuitry Arrangement - An electric circuitry for a portable electronic device is presented. The electric circuitry includes a first printed circuit board comprising at least one electrical component attached to and extending from a surface of the first printed circuit board. The electric circuitry further comprises a second printed circuit board arranged to be coupled with the first printed circuit board and comprising at least one recess or hole arranged to receive the at least one electrical component extending from the surface of the first printed circuit board when the first circuit board and the second printed circuit board are coupled to each other. | 2009-11-19 |
20090284938 | Electrical or electronic level indicator - The invention relates to an electrical or electronic level indicator which is positioned in a plug-in housing | 2009-11-19 |
20090284939 | Alignment plate - A mounting material alignment plate of the present invention is operative to allow an electronic component to be mounted on a printed circuit board and has a plurality of bores that admit terminals of the electronic component to be placed. The mounting material alignment plate has dents formed on one surface, on which the electronic component is located, around the individual bores, and recesses formed on another surface opposite to the one surface on which the electronic component is located. | 2009-11-19 |
20090284940 | Alignment plate - A mounting material alignment plate of the present invention is operative to place an electronic component to be mounted on a printed circuit board and has a plurality of bores that admit terminals of the electronic component to be placed. The mounting material alignment plate has first dents formed on one surface, on which the electronic component is located, around the individual bores, and second dents formed on another surface opposite to the one surface on which the electronic component is located. | 2009-11-19 |
20090284941 | SEMICONDUCTOR PACKAGE, MOUNTING CIRCUIT BOARD, AND MOUNTING STRUCTURE - A semiconductor package includes: a circuit board having a passive component embedded therein; and external terminals provided on a back surface of the circuit board. The passive component is provided at a different position from positions of the external terminals in a thickness direction of the circuit board. | 2009-11-19 |
20090284942 | SEMICONDUCTOR DEVICE AND FABRICATION METHOD THEREOF - A semiconductor device fabrication method includes: forming an elongated hole | 2009-11-19 |
20090284943 | WIRING BOARD, METHOD FOR MANUFACTURING THE SAME, AND SEMICONDUCTOR PACKAGE - In a wiring board, a plurality of wiring layers and a plurality of insulating layers are alternately stacked. The wiring layers are electrically connected to one another through via holes formed in the insulating layers. The wiring board includes: a connection pad which is disposed on one of the wiring layers that is on the inner side of an outermost wiring layer; and an external connection terminal which is disposed on the connection pad, and which is projected from the surface of the wiring board. The external connection terminal is passed through the outermost wiring layer. | 2009-11-19 |
20090284944 | SPLIT THIN FILM CAPACITOR FOR MULTIPLE VOLTAGES - An apparatus, and a method for forming, a split thin film capacitor for providing multiple power and reference supply voltage levels to electrical devices such as integrated circuits, may be useful in space restricted applications, and in applications that require very close electrical connections between the power consumer and the power supply. An example of both a space restricted application and a close coupling application may be an integrated circuit (IC) such as a microprocessor. The capacitor supplying and moderating power to the microprocessor needs to be closely coupled in order to respond to instantaneous power demands that may be found in high clock rate microprocessors, and the space inside a microprocessor package is very restricted. The microprocessor may use a lower voltage power supply level for minimum sized fast transistors in the fast core logic portions of the microprocessor, and a more normal voltage power supply voltage level for the cache memory and I/O transistor portions of the microprocessor. Thus a compact capacitor with multiple power and reference supply levels may be needed to provide the required power for a high frequency IC. | 2009-11-19 |
20090284945 | APPARATUS AND METHOD FOR AN ELECTRICAL SYSTEM ENCLOSURE - The present disclosure describes an apparatus for enclosing electrical equipment. A shutter panel with at least one shutter aperture, at least one guide piece configured to align the shutter panel with a stab-on bore of a unit area, an operator member and a mounting member interconnected with a bus bar assembly is presented. A method for accessing electrical equipment in a motor control unit is also presented. | 2009-11-19 |
20090284946 | FLEXIBLE PRINTED CIRCUIT FILM AND DISPLAY APPARATUS HAVING THE SAME - A flexible printed circuit (FPC) film includes a film body portion connected to a display panel, and an electromagnetic (EM) wave blocking portion extended from the film body portion, wherein the EM wave blocking portion covers a portion of a driving chip disposed on the display panel. | 2009-11-19 |
20090284947 | INTEGRATED CIRCUIT PACKAGE HAVING INTEGRATED FARADAY SHIELD - A packaged integrated circuit (IC) ( | 2009-11-19 |
20090284948 | SIALON-BASED OXYNITRIDE PHOSPHOR AND PRODUCTION METHOD THEREOF - The present invention relates to an oxynitride phosphor comprising an α-sialon as the main component, which is represented by the general formula: M | 2009-11-19 |
20090284949 | OPTICAL ELEMENT, LIGHT-EMITTING DEVICE HAVING THE SAME AND METHOD OF MANUFACTURING THE SAME - An optical element includes a light-transmitting structure and a first reflection-prevention layer. The light-transmitting structure has a first surface and a second surface facing the first surface. The first reflection-prevention layer includes a plurality of first light-refractive index buffering particles deposited on the first surface such as the concentration of the particles decreases as the distance from the first surface increases. The first reflection-prevention layer decreases the variation of a light-refractive index from the light-transmitting structure to an air layer to decrease the light reflectance of the first surface. Therefore, the light transmittance of the light-transmitting structure is increased due to the reflection-prevention layer formed on a surface of the light-transmitting structure, so that luminance may be enhanced. Moreover, the reflection-prevention layer may enhance the resistance of the light-transmitting structure to external impacts. | 2009-11-19 |
20090284950 | VISUAL FEEDBACK IN ELECTRONIC ENTERTAINMENT SYSTEM - The presentation of visual feedback in an electronic entertainment system is disclosed. One disclosed embodiment relates to a method of providing user feedback in an electronic entertainment system, wherein the method comprises inviting an input from a user, receiving a user input via a hand-held remote input device, performing a comparison of the user input received to an expected input, assigning a rating to the user input received based upon the comparison to the expected input, and adjusting light emitted by one or more lights sources on the input device based upon the rating. | 2009-11-19 |
20090284951 | OPTOELECTRONIC COMPONENT AND ILLUMINATION DEVICE - An optoelectronic component has optically active region, with the optically active region comprising at least one semiconductor chip which is provided for generating electromagnetic radiation, and comprising a beam-forming element through which at least a portion of the electromagnetic radiation which is emitted from the semiconductor chip in operation passes and which has an optical axis, and with the optically active region having quadrant symmetry with respect to a coordinate system which is perpendicular to the optical axis. An illumination device has an optoelectronic component such as this. | 2009-11-19 |
20090284952 | LIGHT EMITTING APPARATUS, DISPLAY APPARATUS AND METHOD FOR MANUFACTURING LIGHT EMITTING APPARATUS - A light emitting module ( | 2009-11-19 |
20090284953 | BACKLIGHT ASSEMBLY AND DISPLAY DEVICE HAVING THE SAME - A backlight assembly includes a light guiding plate, a driving board, a light emitting chip and a flexible board. The light guiding plate has a plate shape. The driving board is disposed substantially parallel with a side surface of the light guiding plate to face the side surface of the light guiding plate. The light emitting chip is formed on a surface of the driving board to generate light toward the side surface of the light guiding plate. The flexible board has a connection wiring that provides a power source to the driving board. The driving board is disposed on the flexible board. | 2009-11-19 |
20090284954 | BACKLIGHT DEVICE, DISPLAY DEVICE, AND OPTICAL MEMBER - A backlight device | 2009-11-19 |
20090284955 | CONNECTOR, BACKLIGHT MODULE, LIQUID CRYSTAL DISPLAY DEVICE AND METHOD FOR MANUFACTURING THE BACKLIGHT MODULE - A backlight module includes a housing and at least one connector. The housing includes a bottom plate, which includes an upper surface, a lower surface and at least one through opening. The connector includes an upper portion, a middle portion and a lower portion, wherein the lower portion is disposed within the through hole and is provided with an electrically conductive contact, the middle portion is located between the upper portion and the lower portion, and the middle portion is disposed over the upper surface of the bottom plate. | 2009-11-19 |
20090284956 | LIGHT GUIDE MEMBER, PLANAR LIGHT SOURCE DEVICE USING THE LIGHT GUIDE MEMBER, AND DISPLAY APPARATUS - A light guide member in which a light that has entered one major face from an illuminant is emitted from the other major face, is characterized by comprising:
| 2009-11-19 |
20090284957 | LED dazzler shield - A shield produces a “dazzling” effect: disorientation and temporary and fully reversible blindness in subjects for the purpose of threat deterrence. The apparatus is comprised of a plurality of light emitting diodes (LEDs) capable of intense illumination. Light emitted by each LED is further pulsed and focused by reflective optics to produce a dazzling effect. The shield further provides ballistic protection, chemical or electrical crowd control functionality, safety-glass breaking capability, optically propagated communications and an arm strap to further secure the shield. | 2009-11-19 |
20090284958 | CONVERSION KIT FOR LIGHTING ASSEMBLIES - Apparatuses and methods for adapting unfinished lighting fixture rough-ins to receive a lighting module, such as an incandescent light bulb or a light-emitting diode (LED) lighting device, are disclosed. According to one aspect, a universal adapter is provided that can be inserted into an existing lighting fixture rough-in, secured in place, and electrically connected to the lighting fixture rough-in. In this way, the adapter stands in place of the finishing section typically used in current lighting fixture designs. As a result, the adapter can modify an unfinished lighting fixture so that it can be used with a variety of lighting elements beyond those designed to be used with the specific configuration of the lighting fixture rough-in. | 2009-11-19 |
20090284959 | Transparent illustrations imprinted on solar panel - The present invention relates to solar lighting device, in particular, an illuminating solar display panel comprising display of a transparent illustration on the solar panel. The present invention has dual functional abilities of collecting solar power as a power supply unit and present illuminating illustration as a display unit, whereby an illustration is cutout from the dark coloured material layers of the power supply panel creating a transparent illustration; thereby, light can enter from behind the panel and create an illuminating effect to the illustration. Instead of two separate components, compromise of solar panel(s) and illuminating display unit, the current invention combines two separate units into one independent power efficient illuminating solar display apparatus. | 2009-11-19 |
20090284960 | LED projection night light - The LED projection night light for night time or dark area use including plug-in wall outlet night light or direct current operated night light with projection features to project the image, message, data, logo, time on ceiling, walls, floor, desired surface. The said LED night light incorporated with optics means may selected from group combination from optics-lens, slides, openings, cut-outs, transparent material piece, translucent material piece, telescope assembly, housing-member, slide-film, slide-disc, elastic-member, tilt-means, rotating-means, adjust-means, roller-means, mechanic-means, extend-means, convex lens, concave lens, with precision optics calculation and optics design to make the said desire image, message, data, logo, time project to ceiling, walls, floor, or desired surface to be seen by viewer. The LED light has interchangeable power source arrangement for AC powered sealed-unit or DC powered battery-pack. | 2009-11-19 |
20090284961 | LED dazzler - An apparatus produces a “dazzling” effect: disorientation and temporary and fully reversible blindness in subjects for the purpose of threat deterrence in both civilian law enforcement and military engagements without the use of lasers. The apparatus is comprised of a plurality of light emitting diodes (LEDs) capable of intense illumination. Light emitted by each LED is further pulsed and focused by reflective optics to produce a pulsed beam of sufficient intensity that the combined effect of the beams from the LEDs induces dazzling in subject viewers in the target range. Further included in or ancillary to the invention are a power source for powering the LEDs and a signal source and controller for controlling their illumination and pulsing. Embodiments of the invention include riot shield, hand held and vehicle-mounted dazzlers. | 2009-11-19 |
20090284962 | Portable security assessment device - A readily portable handheld security assessment device that may be manipulated for viewing the underside of objects having low ground clearance, including a series of solid state light sources distributed around the perimeter of therein mirror for uniformly illuminating the field to be viewed. A flexible ball joint assembly allows a reflector or mirror to be easily and controllably positioned and oriented under the object to facilitate visual inspection thereof while permitting the user to remain erect. | 2009-11-19 |
20090284963 | COLLAPSIBLE PORTABLE STAND WITH TELESCOPING SUPPORT AND INTEGRAL STORAGE CASE - A collapsible portable stand comprises support legs and a mast that collapse into a small equipment enclosure or case, forming one single, integral unit that provides for storage, stable support for a device that is mounted onto the mast, and portability. The legs and mast are operatively connected to the case and preferably have extendable length. In an embodiment, the legs and mast are connected to the case via hinges that provide for the legs and mast to rotate with respect to the case. The case preferably has wheels and an extendable handle for ease of transport when the legs and mast are collapsed into the case. An embodiment includes an internal storage case that has a moveable cover that can include controls for and/or connections to a device stored in the internal storage case. An alternative embodiment includes a larger portable stand that has components that are external of the case and/or are independent of a case. | 2009-11-19 |
20090284964 | CORNER MOUNTED LIGHT FIXTURE - A corner mounted lighting fixture having alignment features on its fixture base and on its diffuser for maintaining alignment with the corner during assembly and installation. The diffuser is positioned at an incline within the corner for improved light distribution. Attachment is along the axis of the corner for ease of installation. | 2009-11-19 |
20090284965 | System and Method for LED Light Source - System and method for LED light source. According to an embodiment, the present invention provides a an LED light system for emitting substantially white light. The system includes a first dichroic element, the first dichroic element comprises a first dichroic surface having a first coating, the first coating being adapted to reflect over 95% of a first color and transmit over 95% of a second color, the first dichroic surface having a first side and a second side. The system also includes a second dichroic element, the second dichroic element comprises a second dichroic surface having a second coating, the second coating being adapted to reflect over 95% of a third color and transmit 95% of a fourth color, the second dichroic surface having a third side and a fourth side. | 2009-11-19 |
20090284966 | LIGHTING SYSTEM WITH COMBINED DIRECTLY VIEWABLE LUMINOUS OR TRANSMISSIVE SURFACE AND CONTROLLED AREA ILLUMINATION - An apparatus, system and method for lighting an area, for example, an outdoors pedestrian area or building facade or an auto traffic area, or an indoor large area, which provides indicator/guide light, reference light for structures, and task lighting for a target area. The method uses first lighting sources that are directly viewable by observers and which can be historical, architectural, or aesthetically selected sources, but which produce a relatively low level of light or luminance insufficient to effectively light the area but sufficient to act as an indicator or guide, as well as to provide reference illumination on buildings or structures. Second lighting sources are configured to produce directional light to light the area but hide the light sources from most conventional observer viewing angles and may be enclosed within the general outlines of the globe or transmissive surface area of the fixture. Additionally, the fixture may appear to the average observer that the two sources are one historic or architectural source. Use of low-level directly viewable sources allows lower levels of light from the second sources to effectively light the area. This produces benefits regarding light pollution, such as reducing sky glow, glare, and spill light, as well as reducing energy usage. | 2009-11-19 |
20090284967 | LIGHTING APPARATUS AND IMAGE READING APPARATUS - A lighting apparatus lights up a lighting target and includes a first substrate with a first LED group mounted thereon, and a second substrate with a second LED group mounted thereon. First LEDs of the first LED group and second LEDs of the second LED group are equally spaced in line and face with each other. Light beams emitted from the first LEDs and the second LEDs are reflected by reflection surfaces of the first and the second substrate as they travel toward the lighting target and gather in a space between a first protruding portion of the first substrate and a second protruding portion of the second substrate, and applied to the lighting target. | 2009-11-19 |
20090284968 | LIGHT EMITTING DIODE LAMP - A light emitting diode (LED) lamp includes a lampshade, a light guide pole and a plurality of LEDs. The light guide pole is of light permeable material and received in the lampshade. A plurality of irregular elements is formed on an outer surface of the light guide pole. A distribution density of the irregular elements decreases gradually from two ends of the light guide pole towards a middle of the light guide pole. The LEDs are mounted at the two ends of the light guide pole. Light emitted by the light emitting diodes falls incident into the light guide pole and exits the light guide pole from the outer surface thereof. | 2009-11-19 |
20090284969 | LIGHT EMITTING DIODE LAMP - A light emitting diode lamp includes a mounting base, a number of light emitting diodes, and a reflecting cover. The mounting base includes opposite first and second surfaces, and an outer surface interconnecting outer peripheries of the first and second surfaces. Outer size of the outer surface of the mounting base decreases from the first surface to the second surface. At least one of the light emitting diodes is arranged on the second surface, with at least one arranged on the outer surface of the mounting base. The reflecting cover surrounds the mounting base for reflecting the light of the plurality of light emitting diodes towards one side of the reflecting wall facing the second surface of the mounting base. | 2009-11-19 |
20090284970 | Bulb Reflector for Thin Direct Lit Backlights - In one embodiment, a backlight assembly comprises: a bulb having a bulb first side and a bulb second side located on a side of the bulb opposite the first side, a reflector plate disposed on the bulb first side, and a front bulb reflector disposed over the bulb second side. The front bulb reflector has a partially reflective member capable of reflecting greater than or equal to 60% of light from the bulb toward the reflector plate, and an inner surface on a reflector second side located opposite the reflector first side. The overall geometry of the front bulb reflector is concave on the reflector second side and convex on the reflector first side. | 2009-11-19 |
20090284971 | LIGHT-SOURCE HOLDER AND OPTICAL PICKUP HAVING SAME - A light-source holder used to hold a light source disposed in an optical pickup comprises: a holder main body portion; a through hole which penetrates the holder main body portion and in which a light source is fitted; a first hold potion that holds a first light source if the first light source is fitted in the through hole from a first side, one of first and second sides of the holder main body portion which are opposite to each other with respect to the holder main body portion; and a second hold portion that holds a second light source if the second light source is fitted in the through hole from a second side, one of the first and second sides of the holder main body portion which are opposite to each other with respect to the holder main body portion. | 2009-11-19 |
20090284972 | Light-emitting Diode Module with Heat Dissipating Structure and Lamp with Light-emitting Diode Module | 2009-11-19 |
20090284973 | Light-Emitting Diode Module with Heat Dissipating Structure - A light-emitting diode module with a heat dissipating structure includes a metal substrate and a plurality of light-emitting diode dies mounted on a face of the metal substrate. A jacket has a coupling surface engaged with the other face of the metal substrate. A heat conduction pipe includes a portion received in a longitudinal hole of the jacket. The coupling surface of the jacket has an opening in communication with the longitudinal hole. A portion of an outer periphery of the portion of the heat conduction pipe is in direct, thermal contact with the other face of the metal substrate through the opening of the jacket to absorb heat generated by the light-emitting diode dies. A finned heat sink is mounted on another portion of the heat conduction pipe outside the jacket to dissipate heat transferred to the heat conduction pipe into the environment. | 2009-11-19 |
20090284974 | SPA SPEAKER LIGHT - A spa speaker mounting and illumination receptacle includes a light transmitting circular flange and a circular light transmitting sidewall perpendicularly disposed to and supporting the flange, the sidewall including at least a first lamp receptacle and at least a first tapered portion, the first lamp receptacle being disposed to direct illumination from a lamp disposed therein into said first tapered portion, the first tapered portion being tapered to enhance the uniformity of distribution of illumination around the flange. | 2009-11-19 |
20090284975 | Lighting Device With Magnetic Attraction System for Orienting the Light Beam - A lighting device which comprises a box-shaped body and a light source in the body, with at least one wall that allows passage of a light beam generated by the light source. The box-shaped body includes a pivotable support mounting the light source such that it is rotatable about at least one axis of rotation for adjusting the angle of the light beam generated thereby. The device also has a magnetic attraction member for controlling the axis from the outside the body. | 2009-11-19 |
20090284976 | SYSTEMS AND METHODS FOR A HIGH-INTENSITY LIGHT EMITTING DIODE FLOODLIGHT - Systems and methods for a high intensity light emitting diode (“LED”) floodlight. The floodlight has a designed direction of output and includes an LED; an optical element; a blade; and a heat sink. The blade is mounted at an application-specific angle to the heat sink to obtain the designed direction of output. The blade has an LED and an optical element; and a fixed end coupled with the heat sink. The heat sink is configured to dissipate heat away from the LED on the blade. The blade is configured to activate the LED and using the optical element, redirect the light in the direction of the designed output of the floodlight. | 2009-11-19 |
20090284977 | Light bulb cover - A way to use common inexpensive light bulbs in recess ceiling light cans. A cover that attaches to the bulb itself and will fill the trim hole for appearence and also reflect light down out of the recess can. | 2009-11-19 |
20090284978 | SUPPORT STRUCTURE FOR AN LED DISPLAY SYSTEM - A display system, a light emitting tile, and a method of constructing a display system are provided. In one embodiment, a display system comprises a support structure having a plurality of attachment members, and a plurality of tiles. Each of the plurality of tiles has an attachment point configured to couple to one of the plurality of attachment members. Furthermore, at least one of the plurality of tiles includes at least one connection configured to couple and align the at least one of the plurality of tiles to another one of the plurality of tiles. | 2009-11-19 |
20090284979 | VEHICLE LIGHTING DEVICE - A lighting device of the present invention includes: a first reflecting surface which is an elliptical reflecting surface; a semiconductor-type light source which is disposed at a first focal point of the first reflecting surface; and parabolic reflecting surfaces for controlling reflected light from the first reflecting surface and reflecting the controlled reflected light on a road surface, as predetermined light distribution patterns. The parabolic reflecting surfaces are a plurality of reflecting surfaces which are longitudinally divided into three sections. As a result, longitudinal steps are formed among the three parabolic reflecting surfaces that are longitudinally divided. Thus, if the reflected light from the first reflecting surface is incident to the longitudinal steps, the incident light is reflected in the lateral direction, i.e., in the transverse direction at the steps. In this manner, vertical stray light can be prevented. | 2009-11-19 |
20090284980 | LAMP FOR VEHICLE - The present invention relates to a lamp for vehicle which can obtains an ideal light distribution pattern using one light unit. The lamp for vehicle according to the present invention comprises: a first reflecting surface ( | 2009-11-19 |
20090284981 | VEHICLE LIGHTING DEVICE - A vehicle lighting device includes: a lamp unit for concentrating light; a lamp unit for diffusion; a lamp housing and a lamp lens, partitioning a lamp room; and an optical-axis adjuster which is integrally mounted in the lamp housing in an optical-axis adjustable manner in a state in which the lamp unit for concentrating light and a lamp unit for diffusion are integrally disposed in the lamp room. The lamp unit for concentrating light radiates a light distribution pattern for diffusion. The lamp unit for diffusion radiates a light distribution pattern for diffusion. As a result, in this vehicle lighting device, one lamp unit for concentrating light is provided which satisfies a main light distribution standard and forms a light distribution pattern for concentrating light as a standard for optical axis, thereby facilitating adjustment of light distribution and allowing for precise adjustment of light distribution. | 2009-11-19 |
20090284982 | LIGHT PIPE AND ILLUMINATING DEVICE HAVING THE SAME - A light pipe and an illuminating device having the light pipe are provided. The light pipe includes an optical film including a plurality of prisms and being rolled to have a cavity extending along a longitudinal direction of the prisms; and a supporter surrounding the optical film having the cavity, wherein a side surface of one of the prisms has the maximum surface roughness of about 600 nm to about 1.5 □. Accordingly, it is possible to emit a light toward a distant area through the diffraction of light and thus to provide uniform luminance. | 2009-11-19 |
20090284983 | INTRINSICALLY-SAFE SYSTEM FOR MINESHAFT ILLUMINATION - Disclosed is an intrinsically-safe system for mineshaft illumination. The system includes a main optical fiber bundle that receives light from a light source at one end and disperses the light into a mineshaft or tunnel through diffusers attached to the other end of the fibers. The light from the light source is first passed through a non-imaging optical tube, so as to evenly distribute the light, and then through a tapering bundle of optical fibers that focus the light into the entry end of the main optical fiber bundle. Accordingly, light is distributed to the mineshaft without the risk of potential explosion of accumulated gases that may be present in the mineshaft. | 2009-11-19 |
20090284984 | LIGHT-EMITTING DEVICE - A light-emitting device ( | 2009-11-19 |
20090284985 | ILLUMINATION APPARATUS AND METHODS - Disclosed are apparatus and methods for illuminating a display. In certain embodiments, the illumination apparatus includes a light guide that receives light from a light generator along an edge of the light guide and directs the received light via light extractor features (e.g., grooves) towards a display. The light guide includes at least two sets of light extractor features that are rotated with respect to each other so as to reduce a shadowing effect on the display when the display is viewed from within a specific range of viewing angles. In further embodiments, the spacing or orientation of each or one of the extractor feature sets may also be adjusted so that other visual artifacts, such as a Moiré effect, are reduced. | 2009-11-19 |
20090284986 | LIGHT GUIDE PLATE AND BACKLIGHT MODULE - A light guide plate has a light emitting surface, a bottom surface and a first and a second light incident surfaces connected to the light emitting surface and the bottom surface. The bottom surface approaches the light emitting surface gradually along a first direction away from the first light incident surface and along a second direction away from the second light incident surface, or is away from the light emitting surface gradually along the first direction and the second direction. The light guide plate includes a plurality of first and second hollow portions disposed on the light emitting surface. The first hollow portions are arranged on a first axis. The second hollow portions are arranged on a second axis. A plurality of orthogonal projections of the second hollow portions formed on the first axis and the first hollow portions are alternately arranged. | 2009-11-19 |
20090284987 | BACK LIGHT MODULE - A backlight module including a frame, a light guide plate, a light source and a flexible printed circuit board is provided. The flexible printed circuit board includes a body, a light source carrying portion and a connecting portion. The body is bent, so a top edge and a bottom edge of the body are respectively disposed at a top side and a bottom side of the frame. The light source carrying portion carries the light source. The connecting portion has a first end and a second end. The first end is connected to a middle region of a bottom side of the light source carrying portion. The second end is connected to the bottom edge. The connecting portion is bent, such that the light source carrying portion is disposed on the top side of the frame and the light source is positioned at a side of the light guide plate. | 2009-11-19 |
20090284988 | Led Track Lighting System - A track light assembly includes a low-voltage track. A light module comprises an elongated thermally conductive housing fitted over the track. The housing may also surround the track. The housing preferably forms an elongated channel. An elongated printed circuit board (PCB) is mounted on the thermally conductive housing and carries a plurality of clusters of light emitting diodes (LED's) distributed over the PCB surface. An elongated lens is fitted over the PCB and LED clusters. A track adapter attached to an end portion of the track includes electrically conductive contacts for electrically coupling the conductors in the track housing with contacts on the printed circuit board. Thus, a cool running, elongated, linear light module is provided which is adjustably placeable along the length of the track. | 2009-11-19 |
20090284989 | FLYBACK SYSTEM POWER SOURCE APPARATUS - A flyback system power source apparatus, which applies a voltage intermittently to a primary winding of a transformer to perform voltage outputting onto a secondary winding side of the transformer, comprises: the transformer; a synchronously rectifying element for rectifying a current in a secondary winding of the transformer; and a synchronous rectification control circuit for detecting a voltage vibration caused in a terminal voltage of the secondary winding to perform operation control of the synchronously rectifying element on the basis of the detection. | 2009-11-19 |
20090284990 | VOLTAGE-CONVERTER CIRCUIT AND METHOD FOR CLOCKED SUPPLY OF ENERGY TO AN ENERGY STORAGE - The present invention provides a voltage converter circuit for the clocked supplying of energy to an energy storage, based on an input voltage present at an input of the voltage converter circuit. The voltage converter circuit comprises an energy storage and a switch assembly, the switch assembly comprising a first switch and a second switch connected in parallel and coupled to the energy storage. The first switch of the switch assembly exhibits, according to magnitude, a smaller turn-on voltage than the second switch, wherein a control terminal of the first switch is switched such that the first switch is active in a starting phase of the voltage converter circuit in order to supply the energy storage with energy, and wherein a control terminal of the second switch is switched such that the second switch is active after the starting phase in order to supply the energy storage with energy in a clocked manner. | 2009-11-19 |
20090284991 | Switching power supply - A switching power supply includes a control circuit controlling ON and OFF of switching devices Q | 2009-11-19 |
20090284992 | METHOD AND SYSTEMS FOR CONDUCTION MODE CONTROL - Methods for selecting between the two modes (states) of operation, continuous conduction and discontinuous conduction, are disclosed. Systems that are capable of selecting the operating mode and operating in the continuous conduction mode or the discontinuous conduction mode are also disclosed. | 2009-11-19 |
20090284993 | Switching power supply circuit - A switching power supply circuit includes a direct current (DC) power supply input; a voltage divider connected between the DC power supply input and ground; a transformer including a primary winding, a secondary winding, and an assistant winding; a pulse generating circuit including a first transistor, a second transistor, an oscillation capacitor, and an oscillation resistor; an output; and a feedback circuit adjusting a duty ratio of a pulse signal in the assistant winding. The DC power supply input is grounded via the primary winding, two conducting electrodes of the second transistor. A control electrode of the second transistor is connected to an output of the voltage divider. An output of the voltage divider is connected to a control electrode of the second transistor and is grounded via two conducting electrodes. A control electrode of the first transistor is grounded via the assistant winding and grounded via the oscillation capacitor and the oscillation resistor connected in series. | 2009-11-19 |
20090284994 | Control circuit and method for a flyback converter - A control circuit and method are provided for a flyback converter converting an input voltage to an output voltage, to compensate for an entry point of a burst mode of the flyback converter, so that the entry point is not affected by the input voltage, and audible noise resulted from a higher input voltage is reduced without impacting the light load efficiency of the flyback converter. | 2009-11-19 |
20090284995 | VOLTAGE DETECTING CIRCUIT AND SWITCHING POWER SOURCE APPARATUS - A voltage detecting circuit to perform voltage detection by introducing a voltage from a detection node, comprises: a first resistance, a second resistance, and a first switching element, connected in series with each other from the detection node to reference electric potential in order; and a detection circuit for performing a detection operation of a voltage by receiving input of the voltage from a node between the first resistance and the second resistance, wherein a control voltage generated on the basis of the voltage at the detection node is supplied to a control terminal of the first switching element, and the first switching element is turned on when the voltage at the detection node is large, and the first switching element is turned off when the voltage at the detection node is small. | 2009-11-19 |
20090284996 | SYSTEM AND METHOD OF CANCELLING NOISE RADIATED FROM A SWITCH-MODE POWER CONVERTER - A switch-mode power converter comprises a converter circuit and an auxiliary switching circuit. The converter circuit comprises a storage component configured to temporarily store input energy; and at least one switch configured to control release of the stored energy from the storage component. The auxiliary switching circuit is coupled to the storage component, the auxiliary switching circuit comprising an auxiliary switch having a duty cycle that is approximately 180 degrees out of phase with the duty cycle of the at least one switch in the converter circuit such that the auxiliary switching circuit produces compensating noise which substantially cancels noise radiated from the converter circuit. | 2009-11-19 |
20090284997 | METHOD TO CREATE PWM SWITCHING WITH NEAR ZERO COMMON MODE NOISE - A method for controlling a three-level inverter with a two-level inverter controller uses a conversion circuit to process the two-level control signals and output a set of three-level control signals. | 2009-11-19 |