12th week of 2012 patent applcation highlights part 28 |
Patent application number | Title | Published |
20120069512 | POWER SUPPLY SYSTEM AND CONTAINER DATA CENTER INCLUDING SAME - A power supply system provides power to a container data center. The power supply system includes a solar energy panel, to receive solar energy and output a direct current (DC) voltage. A direct current to altering current (DC/AC) voltage converting unit is connected to the solar energy panel, to receive the DC voltage from the solar energy panel and converts the received DC voltages to an AC voltage, and outputs the converted AC voltage to the container data center. | 2012-03-22 |
20120069513 | ELECTRONIC STORAGE MEDIUM - A flat electronic storage medium, in particular a USB stick, which has a surface (A) made of elastic material, out of which a tongue-shaped partial surface (B) can be pushed out such that a carrier material (D) can be clamped between the total surface (A) and the partial surface (B). Instead of the partial surface, a wire (E) or a small plate (F) may be provided. It is further proposed that surfaces or partial surfaces, which during clamping of the carrier material (D) are directed at the carrier material (D), have a structured surface (G). In order to achieve an optimal clamping effect and deform the carrier material (D) as little as possible, the surface (B) that can be pushed out is designed sunken as compared to the surface (A). The sunken surface (B) preferably runs in parallel to the plane of the surface (A). | 2012-03-22 |
20120069514 | SYSTEM WITH AIR FLOW UNDER DATA STORAGE DEVICES - A computer system includes a chassis, one or more hard disk drives coupled to the chassis, and one or more air passages under at least one of the hard disk drives. The air passages include one or more air inlets and one or more air outlets. The inlets direct at least a portion of the air downwardly into the passages. The passages allow air to move from the air inlets to the air outlets. | 2012-03-22 |
20120069515 | ELECTRONIC DEVICE WITH HEAT DISSIPATION CASING - An electronic device includes a casing, an electronic component accommodated in the casing; and a composite heat conductive layer between the casing and the electronic component. The composite heat conductive layer includes a graphite layer and a thermal pad layer between the electronic component and the graphite layer. The thermal pad layer is attached to the electronic component. The graphite layer is attached to an inner surface of the casing. The graphite layer is located between the casing and the thermal pad layer. Heat conductive efficiency of the graphite layer along a horizontal spreading direction thereof exceeds that along a vertical thickness direction thereof. A surface area of the graphite layer is not less than that of the electronic component. Heat generated by the electronic component is evenly transferred and is spread to the casing via the graphite layer of the composite heat conductive layer. | 2012-03-22 |
20120069516 | ELECTRONIC APPARATUS - By forming a back wall in a holding member capable of holding a cable connector, an opening portion can be closed by the back wall in the case of producing a notebook computer not having a modular port. Therefore, one holding member can realize a notebook computer having a modular port and a notebook computer not having a modular port. This configuration makes it possible to eliminate the necessity to prepare a lid separately when the notebook computer does not have the modular port and to correspond to a plurality of specifications of communication interfaces with a reduced number of components. The reduction in the number of components reduces the cost of the notebook computer and the number of steps in assembling the notebook computer. | 2012-03-22 |
20120069517 | GLASS ENCLOSURE - A handheld computing device that includes an enclosure having structural walls formed from a glass material that can be radio-transparent. The enclosure can be formed from a hollow glass tube or two glass members bonded together. A laser frit bonding process may be used to hermetically seal the two glass members together to create a water resistant electronic device. | 2012-03-22 |
20120069518 | PORTABLE ELECTRONIC DEVICE - A portable electronic device includes a computer housing and a cover, wherein the computer housing includes a housing side portion and a housing surface portion neighboring to the housing side portion, an accommodating recess, a pivot slide recess, and a hook slide recess. The cover includes a cover body, a pivoting portion and a hook portion. The housing side portion and the housing surface portion are recessed together so as to define the accommodating recess. The accommodating recess is provided with two positioning areas and a socket area in connection with the two positioning areas, and that the socket area is provided with an extension socket. The cover body covers, selectively, the accommodating recess, and that the pivoting portion can slide and can be pivotally arranged in the pivot slide recess, while the hook portion can slide and can be arranged in the hook slide recess. | 2012-03-22 |
20120069519 | FLUID-COOLED ELECTRICAL EQUIPMENT, AVIONIC RACK TO RECEIVE SUCH EQUIPMENT AND AIRCRAFT EQUIPPED WITH SUCH RACKS - This invention relates to a fluid-cooled electronic equipment item, an avionic rack to receive such an equipment item and an aircraft equipped with such racks. | 2012-03-22 |
20120069520 | ELECTRONIC DEVICE WITH COOLING CAPABILITY - In the electronic device, an inlet | 2012-03-22 |
20120069521 | HEAT DISSIPATION MODULE AND ELECTRONIC DEVICE HAVING THE SAME - A heat dissipation module includes a centrifugal fan, a fin group, a first heat pipe and a second heat pipe. The centrifugal fan includes a housing and an impeller rotatably mounted in the housing. The housing defines an air inlet and an air outlet therein. The fin group is disposed at the air outlet of the centrifugal fan. The fin group includes a plurality of spaced fins. The first heat pipe includes a condensing section thermally contacting the fin group and an evaporating section for thermally contacting a heat source. The second heat pipe includes a condensing section thermally contacting the condensing section of the first heat pipe and an evaporating section for thermally contacting another heat source. | 2012-03-22 |
20120069522 | THERMAL MODULE AND ELECTRONIC DEVICE INCORPORATING THE SAME - An electronic device includes a circuit board and a thermal module mounted thereon. The circuit board has a heat-generating chip and an electromagnetic interference (EMI) source mounted thereon. The thermal module includes a shielding cover and a heat conducting member. The shielding cover is heat-conductive and electrically-conductive material, and defines a cavity therein. The shielding cover encloses the EMI source in the cavity for EMI shielding. The heat conducting member has one end thermally connecting with the shielding cover and another end thermally connecting with the heat-generating chip for transferring heat from the heat-generating chip to the shielding cover. | 2012-03-22 |
20120069523 | SYSTEM AND METHOD OF FORMING A PATTERNED CONFORMAL STRUCTURE - A system and method of forming a patterned conformal structure for an electrical system is disclosed. The conformal structure includes a dielectric coating shaped to conform to a surface of an electrical system, with the dielectric coating having a plurality of openings therein positioned over contact pads on the surface of the electrical system. The conformal structure also includes a patterned conductive coating layered on the dielectric coating and on the contact pads such that an electrical connection is formed between the patterned conductive coating and the contact pads. The patterned conductive coating comprises at least one of an interconnect system, a shielding structure, and a thermal path. | 2012-03-22 |
20120069524 | COOLED ELECTRIC UNIT - An electric unit, having at least one cooler structure and at least one electric module with at least one electric element on a metal-ceramic substrate. | 2012-03-22 |
20120069525 | ASSEMBLED STRUCTURE OF ELECTRONIC COMPONENT AND HEAT-DISSIPATING DEVICE - An assembled structure includes an electronic component, a heat-dissipating device and a stepped isolation member. The electronic component has a first perforation. The heat-dissipating device has a second perforation corresponding to the first perforation of the electronic component. The stepped isolation member includes a first segment, a second segment and a third segment. The outer diameter of the first segment is smaller than the outer diameter of the second segment, and the outer diameter of the second segment is smaller than the outer diameter of the third segment. The first segment is partially accommodated within the first perforation of the electronic component, the second segment is arranged between the first segment and the third segment and engaged with the second perforation of the heat-dissipating device, and the third segment is contacted with the heat-dissipating device. | 2012-03-22 |
20120069526 | AUXILIARY DEVICE FOR CONDUCTIVELY REMOVING THE HEAT PRODUCED BY AN ELECTRONIC CARD - An auxiliary device for conductively removing the heat produced by one or more components on an electronic card includes a heat sink covering all or part of the card. The device includes at least a first heat-conducting element mounted to absorb the heat produced by the one or more components, a movable second heat-conducting element, a heat pipe connecting the first element with the second element, and clamping means designed to press the movable second element against a cold wall. | 2012-03-22 |
20120069527 | WIRING STRUCTURE FOR ACTUATOR - A wiring structure including printed circuits each including: a base member including one end portion facing an actuator and the other end portion of the base member drawn from the one end portion along a face of the actuator and then turned, the other end portion extending in parallel with the one end portion; output terminals formed on the one end portion and configured to output signals to the actuator; a drive IC mounted on the base member and connected to the output terminals by wirings; and input terminal formed on the other end portion and connected to the drive IC by wirings to input signals to the drive IC, wherein the printed circuits are arranged in a predetermined direction along the face of the actuator, wherein the one end portions of the respective base members are arranged in the predetermined direction, and wherein the other end portions of the respective base members are arranged in the predetermined direction. | 2012-03-22 |
20120069528 | Method for Control of Solder Collapse in Stacked Microelectronic Structure - A process and product made from the process is disclosed to minimize solder collapse during solder reflow. | 2012-03-22 |
20120069529 | POWER CONVERSION MODULE - A power conversion module includes a circuit carrier board, a semiconductor module and an inductor module. The circuit carrier board has plural bonding pads. The semiconductor module is disposed on a first surface of the circuit carrier board. The inductor module has plural pins. The pins are extended from the inductor module along a first direction and connected with corresponding bonding pads on the circuit carrier board, so that a receptacle is defined between the inductor module and the circuit carrier board for accommodating the semiconductor module. | 2012-03-22 |
20120069530 | SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING THE SAME - According to one embodiment, a semiconductor device includes a stacked chip includes semiconductor chips which are stacked, the semiconductor chips comprises semiconductor substrates and through electrodes formed in the semiconductor substrates, respectively, the through electrodes being electrically connected, and deactivating circuits provided in the semiconductor chips, respectively, and configured to deactivate a failed semiconductor chip. | 2012-03-22 |
20120069531 | CONDUCTING PASTE FOR DEVICE LEVEL INTERCONNECTS - A conducting paste and method of forming the paste for device level interconnection. The conducting paste contains metal loading in the range 80-95% that is useful for making five micron device level interconnects. The conducting paste is made by mixing two different conducting pastes, each paste maintaining its micro level individual rich region in the mixed paste even after final curing. One paste contains at least one low melting point alloy and the other paste contains noble metal fillers such as gold or silver flakes. In general, average flake size below five micron is suitable for five micron interconnects. However, 1 micron or smaller silver flakes and an LMP mixture is preferred for five micron interconnects. The amount of LMP based paste in the final mixture is preferably 20-50% by weight. The nano micro paste embodiment shows good electrical yield (81%) and low contact resistance. | 2012-03-22 |
20120069532 | WATERPROOF ELECTRONIC EQUIPMENT AND ASSEMBLY METHOD THEREOF - Seal surfaces in three directions of a base and a cover are mutually fitted as a first seal part in combination of concave threads and convex threads, and sandwich three sides of a circuit board between an innermost peripheral part convex thread at the base side and an innermost peripheral part concave thread at the cover side. A connector member having a second seal part is fixed to one side of the circuit board, a concavo-convex seal surface between the base and the connector member is located on a low step surface, and the concave and convex threads on the seal surface of the connector member provided on the base pass the concave and convex threads of the seal surface in the three directions each other to be continuous. | 2012-03-22 |
20120069533 | CASING FOR ELECTRONIC DEVICE - A casing for an electronic device includes a casing body that is transparent at least in part and that defines at least one chamber, a receptacle to communicate fluidly with the chamber and containing at least one liquid body having a predetermined color, and a control module connected to the receptacle and being operable to permit flow of the liquid body from the receptacle to the chamber. | 2012-03-22 |
20120069534 | ELECTRONIC APPARATUS - The present invention improves the operability when opening and closing a cover. Since the cover is curved such that the front face is in a concave form, when opening a memory slot, part of the cover is lifted from a first casing by simply removing a screw from the first casing and the cover. The cover can be detached from the first casing by holding the lifted portion of the cover, and, thus, the memory slot can be opened easily without using the weight of the cover. Accordingly, it is possible to improve the operability when attaching a memory module to the memory slot or when detaching a memory module from the memory slot. | 2012-03-22 |
20120069535 | PORTABLE MULTIMEDIA PLAYER - The present disclosure relates to the field of players, and provides a portable multimedia player includes a housing; an integrated circuit module received in the housing for playing multimedia; a storage device interface electrically connected to the integrated circuit module, and configured to connect to an external storage device; and a male HDMI connector electrically connected to the integrated circuit module, configured to be connected to a female HDMI of an external display device. The multimedia function of the external display device is expanded by connecting the male HDMI | 2012-03-22 |
20120069536 | INTEGRATED OVERMOLDED INTERCONNECT TAB FOR SURFACE-MOUNTED CIRCUITS - An integrated interconnect tab that provides a mechanically repeatable connection point to electrical components mounted on a printed circuit board. The integrated interconnect tab comprises a conductive pad surrounded by a vertical sidewall structure formed in an overmolded insulating layer. In one embodiment, a large pad accommodates connections to high-power circuit elements such as batteries and high-voltage capacitors. The sidewall structure helps align and guide the position of an interconnecting device such as a wire ribbon connector, facilitating automation of a subsequent attachment process. An automated method of making a PCB assembly having integrated interconnect tabs entails attaching circuit elements and interconnect tabs to a surface of a PCB substrate, encapsulating the attached components, and selectively machining the encapsulating layer to expose weld tabs, to form the vertical sidewall structure surrounding the tabs, and to create mechanical retention features to aid in welding. | 2012-03-22 |
20120069537 | INTEGRATED CIRCUIT WITH INTRA-CHIP CLOCK INTERFACE AND METHODS FOR USE THEREWITH - An integrated circuit includes a substrate. A first integrated circuit die includes a first circuit and a first intra-chip clock interface that transmits a first clock signal via the substrate. A second integrated circuit die includes a second circuit that operates based on the first clock signal and a second intra-chip clock interface that recovers the first clock signal from the substrate. | 2012-03-22 |
20120069538 | PRINTED CIRCUIT BOARD, PRINTED CIRCUIT BOARD ASSEMBLY SHEET AND METHOD OF MANUFACTURING THE SAME - A determination mark formation portion is provided in each suspension board. In the determination mark formation portion, a recess having a given depth is provided in a base insulating layer. An outer peripheral portion is formed on the base insulating layer to surround the recess. A plating layer is formed on the outer peripheral portion. A circular hole is formed on a support substrate. The hole of the support substrate and the recess of the base insulating layer overlap each other. | 2012-03-22 |
20120069539 | PRINTED BOARD FIXING APPARATUS - To provide a printed board fixing device capable of reducing the thickness and size with a simple structure. The printed board fixing device includes a coupling member which two-folds a flex rigid printed board that includes one and the other rigid printed boards via a flexible part and mutually couples and fixes the one and the other boards. The length of the coupling member is set to be within a range of entire thickness including the one and the other rigid printed boards. The coupling member is provided at two points on the one and the other rigid printed boards. | 2012-03-22 |
20120069540 | ELECTRONIC DEVICE WITH MAGNETIC ATTACHMENT - A magnetic attachment mechanism and method is described. The magnetic attachment mechanism can be used to releasably attach at least two objects together in a preferred configuration without fasteners and without external intervention. The magnetic attachment mechanism can be used to releasably attach an accessory device to an electronic device. The accessory device can be used to augment the functionality of usefulness of the electronic device. | 2012-03-22 |
20120069541 | SUPPORTING MODULE AND ELECTRONIC DEVICE USING THE SAME - A supporting module and an electronic device using the same are disclosed. The supporting module is disposed between the first body and the second body and includes a guide rail, a sliding element, an elastic element, and a supporting unit. The guide rail is fastened to the first body and has a first side wall and a second side wall facing each other. The first side wall has a plurality of first recessed portions, and the second side wall has a plurality of second recessed portions. The sliding element is slidably disposed at the guide rail along a first direction. The elastic element is disposed at the sliding element and is positioned between the first side wall and the second side wall. Two ends of the supporting unit are rotatably disposed at the sliding element and the second body around a second direction. | 2012-03-22 |
20120069542 | Communication module - A communication module includes a communication circuit, a connector coupled to the communication circuit, a housing having a space for arranging the communication circuit and an aperture for arranging the connector, and a projection provided at facing inside wall surface of the housing and attenuating an electromagnetic wave within a frequency range transmitted in the space. | 2012-03-22 |
20120069543 | LED ILLUMINATOR MODULE WITH HIGH HEAT-DISSIPATING EFFICIENCY AND MANUFACTURING METHOD THEREFOR - An LED illuminator module with high heat-dissipating efficiency and manufacturing method therefor is provided. The LED illuminator module includes a flat heat pipe (FHP) formed with a flat surface, an insulated layer formed on the plane of the flat heat pipe, a conducting layer having a pair of conducting electrode portions, a plurality of LEDs, and an encapsulation covers the LEDs. The insulation layer has a pair of insulated electrode portions and a plurality of LED-setting portions. The conducting electrode portions partially covered on the insulated electrode portions. The LEDs are disposed on the LED-setting portions and electrically connect to the pair of conducting electrode portions respectively. The encapsulation contains phosphor powder therein. The present invention solves the heat-dissipating problem of high-efficiency light module with the LEDs, and shorten heat-conductive path to enhance heat-dissipating efficiency. | 2012-03-22 |
20120069544 | LIGHT-EMITTING DEVICE WITH A LUMINESCENT MEDIUM, CORRESPONDING LIGHTING SYSTEM COMPRISING THE LIGHT-EMITTING DEVICE AND CORRESPONDING LUMINESCENT MEDIUM - The invention relates to a light emitting device ( | 2012-03-22 |
20120069545 | LIGHTING DEVICE - A lighting device may be provided that includes a heat sink which includes one surface and a receiving recess; a light emitting module which is disposed on the one surface of the heat sink and includes a substrate and a plurality of light sources disposed on the substrate, wherein the substrate includes a hole and a plurality of via-holes; a power controller which includes an electrode pin electrically connected to the light emitting module through the via hole; and aninsulating inner case which receives the power controller therein and is disposed in the receiving recess of the heat sink, wherein the light sources include an lighting emitting diode. | 2012-03-22 |
20120069546 | LIGHT SCATTERING AND CONVERSION PLATE FOR LEDS - The invention relates to an illumination system having a light scattering and conversion plate comprising a non-converting but scattering layer and a thinner converting layer. By separating scattering and conversion, the characteristics of the illumination system can greatly be increased. | 2012-03-22 |
20120069547 | ILLUMINATION DEVICE WITH AN ENVELOPE ENCLOSING A LIGHT SOURCE - The invention provides an illumination device comprising an envelope enclosing a light source, preferably a LED, and a luminescent material. The envelope comprises a transmissive part, and a reflective part, wherein the reflective part comprises a reflective ceramic material. The ceramic material can be used for heat dissipation. | 2012-03-22 |
20120069548 | STRUCTURE OF BACK LIGHT PLATE - A back light plate includes a plurality of light bars of high light transmittance. The light bars are juxtaposed to form a flat plate like or a grating like light emission structure. Each light bar has opposite ends to which light sources, such as light-emitting diodes, are mounted. Light emitting from the light sources can transmit through the light bar to form a uniform luminous cylinder and thereby constituting a wide span of backlighting. This arrangement saves the number of light-emitting diodes used, makes the manufacturing easy, and provides a simple and convenient-to-carry-out manufacturing process as compared to the conventional manufacturing processes of large-sized thin back light plate, so as to lead to a significant reduction of manufacturing costs. | 2012-03-22 |
20120069549 | HEAT-DISSIPATING STRUCTURE, BACKLIGHT MODULE, AND DISPLAY APPARATUS FOR STANDING USE - A heat-dissipating structure, a backlight module, and a display apparatus for standing use are disclosed. The heat-dissipating structure includes a back plate and a heat pipe which is coupled to the back plate and includes a heat-absorbing portion at a side portion of the back plate and a heat-dissipating portion bent upward from the heat-absorbing portion to extend toward a center portion of the back plate. The backlight module includes the heat-dissipating structure, a light-guiding plate disposed above the back plate and the heat pipe, and a light source module disposed on the heat-absorbing portion at a side of the light-guiding plate. The display apparatus includes the backlight module and a panel above the light-guiding plate. Thereby, working fluid in the heat pipe can flow back to the heat-absorbing portion by use of gravity after dissipating heat at the heat-dissipating portion, which improves the whole efficiency of heat dissipation. | 2012-03-22 |
20120069550 | Display Device with Switchable Viewing Angle and Backlight Module Thereof - A display device with switchable viewing includes a backlight module and a display panel. The backlight module includes a light guide plate, first optical structures, a reflector, a first light source, and a second light source. The light guide plate includes a bottom surface, a light exit surface, a first light incident surface, and a second light incident surface. The display panel is disposed on the light exit surface. The first optical structures are disposed on the bottom surface and each includes a first inclined surface and a second inclined surface. The angle between the first inclined surface and the bottom surface is smaller than that between the second inclined surface and the bottom surface. Lights from the first light source and the second light source enter the light guide plate from the first light incident surface and the second light incident surface, respectively. After entering the light guide plate, the lights can be reflected by the first inclined surface or the second inclined surface, or be refracted by the first inclined surface or the second inclined surface to the underlying reflector and reflected by the reflector back to the light guide plate from the first inclined surface or the second inclined surface. Based on such a structure, by controlling the on/off state of the first light source and the second light source, the viewing angle of the display device is switchable. | 2012-03-22 |
20120069551 | DISPLAY SYSTEM HAVING CIRCADIAN EFFECT ON HUMANS - A display system includes an illumination unit in which a predetermined light spectrum can be produced with the illumination unit, the average light intensity of which light spectrum can be reduced or increased over the wavelength range of 420 nm to 500 nm relative to the average light intensity above and below this wavelength range such that the predetermined light spectrum is greater relative to a light spectrum produced without this reduction or increase. | 2012-03-22 |
20120069552 | SMART SAFETY GLOVE, WRISTBAND AND METHOD - A smart safety glove, wristband, method and kit is shown and described. In one embodiment, the glove or wristband includes an enclosing shell, a printed circuit board and a light configured to indicate intentions to traffic. In particular embodiments, the glove is in a sleep mode in a substantially horizontal position and the light is illuminated in a substantially vertical position. A method of hand signaling using a smart safety glove includes positioning the smart glove from the substantially horizontal sleep position to a predefined substantially vertical signaling position. | 2012-03-22 |
20120069553 | SHUTTER - A shutter assembly includes a main body having a first side member and a second side member. Each of the first side member and the second side member has a first attachment feature. The shutter assembly also includes at least one cap. The cap has a pair of spaced apart second attachment features. The first attachment features of the first side member and the second side member of the main body and the second attachment features of the cap cooperate with one another to selectively secure the cap to the main body. | 2012-03-22 |
20120069554 | PORTABLE LIGHT - The portable light is provided with an outer case | 2012-03-22 |
20120069555 | ENERGY-SAVING ILLUMINATION SYSTEM HAVING PIEZOELECTRIC MATERIALS - An energy-saving illumination system includes a piezoelectric floor, a revolving door, an accumulator, a light source, and an electrical power sensing device. The piezoelectric floor contains piezoelectric material therein. The revolving door comprises a power generating device. The accumulator is electrically connected to the piezoelectric floor and the power generating device. The light source is electrically connected with the accumulator. The electrical power sensing device is configured to detect the quantity of electric charge in the accumulator; the power generating device of the revolving door charges the accumulator according to the detected result obtained from the electrical power sensing device in respect to the accumulator. | 2012-03-22 |
20120069556 | ILLUMINATION MODULE AND ILLUMINATION DEVICE - An illumination module may include at least one flexible carrier for a plurality of heat sources, including light sources, wherein the carrier is provided for being bent over at least part of its width. | 2012-03-22 |
20120069557 | ELONGATED LUMINAIRE AND A METHOD OF ATTACHING A LUMINAIRE TO A SURFACE - An elongated luminaire and a method of attaching a luminaire to a mounting surface. The luminaire comprises at least two fixation members ( | 2012-03-22 |
20120069558 | LED Light Source - A lighting source comprises a plurality of LED tubular lighting fixtures having upper and lower ends. Upper and lower mounting caps positioned at the ends of the fixtures have cups for receipt of the fixture ends that locate the fixtures within the caps in a pattern and allow for rotation of the fixtures within the cups. A locking bar extends between the mounting caps, for sealing the ends of the fixtures within the cups against the mounting caps and prevents further rotation of the fixtures. A circuit board located on the upper mounting cap is connected electrically to the LED fixtures. Wires extending from the upper ends of the tubular fixtures pass through apertures in the cups of the upper mounting caps to push connectors on the circuit board for connection to an external DC power source. | 2012-03-22 |
20120069559 | LIGHTING MODULE - A lighting module includes a plurality of lighting units arranged in a matrix. Positive electrodes of all the lighting units in the first column are connected to form a positive electrode of the lighting module, and negative electrodes of all the lighting units in the last column are connected to form a negative electrode of the lighting module. In any column of the lighting module, negative electrodes of all the lighting units in the odd rows are connected to positive electrodes of all the lighting units in even rows of next column, and negative electrodes of all the lighting units in the even rows are connected to positive electrodes of all the lighting units in odd rows of the next column. | 2012-03-22 |
20120069560 | MULTI-VOLTAGE AND MULTI-BRIGHTNESS LED LIGHTING DEVICES AND METHODS OF USING SAME - A single chip multi-voltage or multi-brightness LED lighting device having at least two LED circuits having at least two LEDs connected seπes, and electrically unconnected in a parallel relationship, a forward operating dπve voltage of at least six volts and are monolithically integrated on a single substrate, configurable by means of connecting the circuits so as to provide optional operating voltage level and/or desired brightness level wherein the electrical connection at the LED packaging level when the single chips are integrated into the LED package Alternatively, the LED package may have external electrical contacts that match the integrated chips within Optionally allowable, the drive voltage level and/or the brightness level select-ability may be passed on through to the exterior of the LED package and may be selected by the LED package user, the PCB assembly facility, or the end product manufacturer. | 2012-03-22 |
20120069561 | INTEGRATED SIGNAL LIGHT HEAD - The present disclosure relates generally to an integrated signal light head. In one embodiment, the integrated signal light head includes a molded housing for holding at least one light emitting diode (LED) light source and a power supply compartment coupled to the molded housing. As a result, a power supply may be remotely located and independent of the at least one LED light source. | 2012-03-22 |
20120069562 | PERFORMANCE SPOTLIGHT - An apparatus and method for producing an improved light emitting diode (LED) spotlight. One or more layers of LEDs shine light into an array of elliptical reflectors. Each elliptical reflector has an LED at one focal point and shares the second focal point with a larger parabolic reflector that collimates the light. A hole in the center of the parabolic reflector receives additional LEDs, with or without collimation optics. | 2012-03-22 |
20120069563 | LED LAMP - An LED lamp has one or more red LEDs, one or more green LEDs, and one or more white LEDs. The plurality of LEDs produces light that is mixed to produce a combined light output that has color approximating that of a blackbody radiator and having a correlated color temperature of 3,800 to 5,400 Kelvin. | 2012-03-22 |
20120069564 | MULTI-CHIP LED DEVICES - Multi-chip LED devices are described. Embodiments of the present invention provide multi-chip LED devices with relatively high efficiency and good color rendering. The LED device includes a plurality of interconnected LED chips and an optical element such as a lens. The optical element may be molded from silicone. The LED chips may be connected in parallel. In some embodiments, the LED device includes a submount, which may be made of a ceramic material such as alumina or aluminum nitride. Wire bonds can be connected to the LED chips so that all the wire bonds tend the outside of a group of LED chips. Various sizes and types of LED chips may be used, including vertical LED chips and sideview LED chips. | 2012-03-22 |
20120069565 | LIGHT-EMITTING DEVICE AND IMAGE DISPLAY APPARATUS USING THE SAME - A light-emitting device includes a light-emitting layer and a fine structure layer that opposes the light-emitting layer, and light generated in the light-emitting layer passes through the fine structure layer. In the light-emitting device, the fine structure layer includes a plurality of first medium portions and a second medium that has a different refractive index from a refractive index of the first medium, and the plurality of first medium portions are each surrounded by the second medium in an in-plane direction of the fine structure layer. In the light-emitting device, each first medium portion is formed to have a rotated ellipsoidal shape, which has a major axis extending in a direction perpendicular to a surface opposite the light-emitting layer, and is defined by a path of an ellipse rotated about the major axis as a rotation axis. | 2012-03-22 |
20120069566 | ILLUMINATION APPARATUS WITH HEAT DISSIPATING TUBES - An illumination apparatus comprises a housing, a LED base, and a heat sink, the housing having a light emitting surface and a heat dissipation surface opposite to the light emitting surface, the LED base including a circuit board and a plurality of LED chips, the heat dissipation surface adjacent to the circuit board, the light emitting surface of the LED chips toward the light emitting surface of the housing, and the heat sink including a plurality of heat dissipating tubes. The heat dissipating tubes are interlaced on the heat sink and the heights of the heat dissipating tube are different. | 2012-03-22 |
20120069567 | ILLUMINATION SYSTEM AND METHOD OF MANUFACTURING MULTI-CHIP PACKAGE STRUCTURE FOR LIGHT EMITTING DIODES - One embodiment of the invention provides an illumination system including a light-source supporting body and a power supporting body. The light-source supporting body has a first groove. At least a light-source module is received in the first groove. The power supporting body has second groove. At least a power module is received in the second groove. The light-source supporting body is detachably fixed on the power supporting body. Each light-source module includes a multichip package structure composed of a plurality of light-emitting chips, and each of the light-source modules and the power module are separated by the light-source supporting body and the power supporting body. | 2012-03-22 |
20120069568 | Lighting module and corresponding method - A lighting module may include a printed circuit board carrying at least one light source, a reflector body to direct light from said at least one light source towards a distal opening of said reflector body, said reflector body having a bottom portion with first snap-in coupling formations coupling said printed circuit board to the bottom portion of said reflector body, and an optical holder carrying at least one lens to focus light from said at least one light source, said optical holder having second snap-in coupling formations coupling said optical holder to the bottom portion of said reflector body. | 2012-03-22 |
20120069569 | LIGHT EMITTING DIODE LIGHT BAR STRUCTURE HAVING HEAT DISSIPATION FUNCTION - The present invention discloses a light emitting diode (LED) light bar structure having heat dissipation function, adapted for a backlight module, and including a heat dissipation body, a plurality of light emitting diodes (LEDs), and a circuit board. The heat dissipation body has a circuit board insertion slot and is provided with a plurality of installation holes in row. The installation holes pass through the heat dissipation body, the LEDs are embedded in respective installation holes, and the circuit board is received in the circuit board insertion slot whereby the LEDs are fixed in the installations holes and electrically connect the circuit board. Accordingly, the LED light bar structure not only simplifies assembling procedures but also directly and laterally dissipate heat generated by the LEDs through a tight engagement of the LEDs and the heat dissipation body, thereby improving dissipation efficiency of the backlight module. | 2012-03-22 |
20120069570 | ILLUMINATION DEVICE AND METHOD FOR ASSEMBLY OF AN ILLUMINATION DEVICE - The present invention discloses an illumination device ( | 2012-03-22 |
20120069571 | SOLAR SHIELD FOR LED LIGHT EMITTING ASSEMBLY - An L.E.D. light emitting assembly ( | 2012-03-22 |
20120069572 | LIGHTING SYSTEM FOR SPORTING APPARATUS - Embodiments of the present invention provide a lighting system for a sporting apparatus. In one embodiment, a sporting board apparatus includes an elongated board structure having top surface, a bottom surface, and edge surfaces. The sporting board apparatus further includes a light system having a plurality of light sources coupled to a power supply. In addition, the sporting board apparatus may include a switching mechanism to control the supply of electrical power from the power supply to the light sources, and a select mechanism to control one or more light programs. | 2012-03-22 |
20120069573 | Multiple Focus Point Light - A lamp unit with a relay lens that allows two different focus points. Two different optical altering elements are hence simultaneously in focus. The elements can be taken in and out of focus to allow different effects. | 2012-03-22 |
20120069574 | OPTICAL TRANSMISSION APPARATUS HAVING TEMPERATURE CONTROL FUNCTION - An optical transmission apparatus having a temperature control function includes: a package having a cavity; a cooler mounted in the cavity and controlling temperature; and a substrate mounted on the cooler and including a light source mounted thereon to generate light. In spite of the presence of the cooler, the apparatus can be implemented to be compact and have a simple structure. | 2012-03-22 |
20120069575 | LIGHT CONVERTING OPTICAL STRUCTURE AND LIGHTING DEVICE UTILIZING THE SAME - Embodiments of the present invention include a light converting structure, a light accommodating structure, and a lighting device. The light converting structure includes a bottom conical recess to accommodate a light source, and a top conical recess to distribute the lights emitted from the light source. The light accommodating structure includes a through hole with a small opening and a large opening. A light source is accommodated in the through hole at the large opening, and the lights emitted from the light source output at the small opening. The lighting device utilizing the light converting structure and/or the light accommodating structure obtains a thinner configuration. | 2012-03-22 |
20120069576 | LENS AND LIGHT SOURCE MODULE - A lens includes a light incident surface, a first light emitting surface, and a second light emitting surface. The first light emitting surface is a convex, curved surface and opposite to the light incident surface. The first light emitting surface includes a first border; the first light emitting surface and the light incident surface cooperatively form a convex lens portion with an optical axis. The second light emitting surface is located at a side of the first light emitting surface adjacent to the first border, and the second light emitting surface is a rough surface for refracting light randomly. | 2012-03-22 |
20120069577 | LENS AND LIGHT SOURCE MODULE - A lens includes a light incident surface, a first light emitting surface, and a second light emitting surface. The light incident surface is a concave surface and defines a receiving recess. The first light emitting surface is a convex curved surface and is opposite to the light incident surface. The first light emitting surface includes a first border, and the first light emitting surface and the light incident surface cooperatively form a convex lens portion with an optical axis. The second light emitting surface is located at a side of the first light emitting surface and adjacent to the first border. The longer the distance between a point of the second light emitting surface and the optical axis is, the longer the distance between the point and the light incident surface is. | 2012-03-22 |
20120069578 | ILLUMINATING DEVICE - An illuminating device that can reduce illuminance unevenness of an irradiation target face with a simple construction is provided. In a pseudo sunlight illuminating device | 2012-03-22 |
20120069579 | Direct-lit light guiding structure, direct-lit light guiding panel and lighting device - A direct-lit light guiding structure, a direct-lit light guiding panel and a lighting device are disclosed. The light guiding structure includes a light transmissive body and microstructures; the light transmissive body includes an upper conical groove and a lower accommodating groove, and the upper conical groove has a curved surface with a continually varied slope; the microstructures are disposed on the light transmissive body. The lighting device includes a circuit board, a light source and the aforesaid light guiding structure; the light source and the light guiding structure are disposed on the circuit board, and the light source is accommodated within the lower accommodating groove. With these arrangements, the direct-lit light guiding structure can receive the light rays emitted from the light source, and then output the lights uniformly. Further, a plurality of direct-lit light guiding structures can be connected with one another to form the direct-lit light guiding panel. | 2012-03-22 |
20120069580 | OPTICAL ELEMENT PRODUCING A MODULATED REGION OF INCREASED LIGHT INTENSITY AND OPTICALLY ENHANCED PHOTOVOLTAIC CELL AND LED LIGHTING DEVICE INCLUDING THE SAME - An optical element has a plano-piano body formed of a first material having a greater refraction index n | 2012-03-22 |
20120069581 | OUTDOOR LIGHT HAVING TRANSLUCENT MOSAIC LENS - An outdoor lighting fixture having a composite lens assembly that includes a transparent liner or sleeve having a translucent mosaic covering composed of a plurality of glass shards having a grout compound infused in the interstices between the plurality of glass shards. The transparent liner is a thin-walled cup having a shape that is symmetrical about its vertical axis and is open at its upper end. The transparent liner may have a frusto-conical, cylindrical, parabolic, hemi-spherical shape or any combination thereof. While the liner or sleeve is preferably transparent, other embodiments may be colored or frosted translucent to provide differing illumination effects. In addition, while the exterior and interior surfaces of the transparent liner are preferably smooth, in other embodiments they may be textured. A novel two-step process for manufacturing the composite lens assembly is also disclosed. | 2012-03-22 |
20120069582 | CEILING LAMP - A ceiling lamp includes a bracket fixed to a ceiling, a frame attached to the bracket, a housing secured to the frame and a light source received in the housing. An axis extends through the frame and the bracket to pivotably attach the bracket with the frame. A plurality of apertures are defined in the bracket and an aperture is defined in the frame. A fastener can be selectively extended through one of the apertures in the bracket and into the aperture in the frame, to thereby position the housing at a selected one of different orientations in respect to the ceiling. | 2012-03-22 |
20120069583 | LAMP HEAD ASSEMBLY AND LIGHTING LAMP TUBE - A lamp head assembly includes an outer head unit, an inner head unit, and an elastic pressing unit. The outer head unit includes at least two conductive pins. The inner head unit is disposed rotatably in the outer head unit. The elastic pressing unit is disposed movably in the outer head unit for selectively positioning the position of the inner head unit relative to the outer head unit or the position of the outer head unit relative to the inner head unit, wherein the elastic pressing unit includes a pressing element selectively exposed from the outer head unit. | 2012-03-22 |
20120069584 | FLEXIBLE SUBSTRATE, MOUNTING METHOD OF FLEXIBLE SUBSTRATE, AND LIGHTING SYSTEM - A flexible substrate includes a stripe-shaped substrate main body portion; a comb-like portion composed of a plurality of protrusions that extends from one end in the direction perpendicular to the longitudinal direction of the substrate main body portion, in the direction perpendicular to the longitudinal direction; and electronic devices that are arranged on the plurality of protrusions, respectively, in which the substrate main body portion and the comb-like portion are bendable. | 2012-03-22 |
20120069585 | DISPLAY DEVICE - A display device includes, within a panel formed of a front panel | 2012-03-22 |
20120069586 | LIGHT SOURCE DEVICE AND PROJECTION TYPE DISPLAY DEVICE INCLUDING THE SAME - Provided are a light source device that can effectively cool a surface side of a light-emitting element substrate, and a projection type display device that includes the same. The light source device includes substrate ( | 2012-03-22 |
20120069587 | Magnetic Light Clip - A light clip is disclosed comprising: a base; a magnet attached to the base; two or more strand engagement members extending from the base, wherein a space is defined between the two or more strand engagement members, and the space is of sufficient size so that a bulb socket may be positioned between two or more strand engagement members; and a groove defined in each of the strand engagement members; the groove configured to engage a cord. | 2012-03-22 |
20120069588 | Moving Light Table - A moving light test system allows connecting moving lights to an interface board and conveying the lights and orienting and testing the lights while they are attached to the board. The lights can be mechanically and electrically connected to the board, and once connected, can be tested in multiple ways without reconfiguring or removing the lights. The board has a connector that can be plugged in at various locations, and the board can also be handled by mechanical devices. In this way, once the light is connected to the board, it does not need to be re-handled. In addition, lights can be tested in different orientations. | 2012-03-22 |
20120069589 | LED LANDING LIGHT ARRANGEMENT FOR AN AIRCRAFT - An LED landing light arrangement for an aircraft comprises a plurality of LED light sources ( | 2012-03-22 |
20120069590 | DIRECTION INDICATOR AND SADDLE RIDING TYPE VEHICLE INCLUDING SAME - A direction indicator includes a direction indicator main unit, a grommet for elastically supporting the direction indicator main unit to a front cowl on a vehicle body side, a retainer for removably fixing the front cowl on the vehicle body side and the direction indicator main unit via the grommet, and a shouldered bolt for fastening the retainer and the direction indicator main unit. A fastening portion of the direction indicator main unit to which the retainer is fastened with the shouldered bolt has a groove that serves as a weakened or fragile portion that is deformed or damaged when the direction indicator engages the ground. | 2012-03-22 |
20120069591 | EXTERIOR MIRROR VISION SYSTEM FOR A VEHICLE - An exterior mirror vision system includes a driver-side exterior rearview mirror assembly mounted at a driver side of a vehicle and a passenger-side exterior rearview mirror assembly mounted at a passenger side of the vehicle. The driver-side exterior mirror assembly includes a mounting portion configured for mounting at the driver side of the vehicle, a driver-side exterior mirror housing, and a driver-side reflective element. The driver-side exterior rearview mirror assembly includes a driver-side light module and a driver-side camera. The passenger-side exterior mirror assembly includes a mounting portion configured for mounting at the passenger side of the vehicle, a passenger-side exterior mirror housing, and a passenger-side reflective element. The passenger-side exterior rearview mirror assembly includes a passenger-side light module and a passenger-side camera. The driver-side camera and the passenger-side camera may be part of a multi-camera vision system of the vehicle. | 2012-03-22 |
20120069592 | VEHICULAR LAMP - A linear light guide or light guides disposed in a lamp chamber have a light guide neighboring region, in which the portions close to light incidence end portions are close to each other, and a light-emitting portion or portions are disposed so as to be offset from a luminous region of a light source unit and to have portions that extend from the light guide neighboring region and separate from each other. A translucent diffusion cover that covers the light guide neighboring region is provided at least in front of the light guide neighboring region. Part of the light from the light guide neighboring region is diffused by the diffusion cover and then emitted through the diffusion cover, so that light emitted through the light-emitting portion and the diffusion cover is continuous, so that it appears as if the light guide that is continuous is emitting light. | 2012-03-22 |
20120069593 | VEHICLE HEADLAMP AND ILLUMINATION DEVICE - A headlamp includes: a laser diode for emitting a laser beam; a light-emitting section for emitting light by being excited by a laser beam emitted from the laser diode; a reflection mirror for reflecting the light emitted from the light-emitting section so as to form a bundle of rays which travel within a predetermined solid angle; and a first maneuvering section for maneuvering at least the reflection mirror so as to move an optical axis direction of the light reflected by the reflection mirror to a predetermined direction. | 2012-03-22 |
20120069594 | INTERNAL LIGHTING DISPLAY DEVICE AND DISPLAY PANEL THEREOF - An interior lighting display device and a display panel thereof capable of effectively preventing a dark area from being formed in the display panel. A film or sheet that reflects light is disposed on a back surface and a side surface of a display panel of an interior lighting display device. For example, the film or sheet is disposed on a back surface and a side surface of a region that is a colored area having low transmittance of the display panel, and an area in which a light source is not present behind the display panel. In addition, a light reflective body is placed in an area in which the light source is not present within the interior lighting display device. | 2012-03-22 |
20120069595 | LINEAR ILLUMINATION DEVICES - In various embodiments, LED-based illumination devices include an inlet region for receiving the LED light that is complementary in shape to the lens of the LED. | 2012-03-22 |
20120069596 | Front lit alterable display - A tab is cut into a sheet of transparent material. The tab has a free end and a fixed end. A source of light is attached to the tab and the tab and the sheet are displaced along the z-axis of the sheet to direct light from the source into an edge of the sheet. The tab can include conductive traces for electrical connection to the light source or other electrical devices on the sheet. A variable display device adjacent the sheet is viewed through the sheet and the sheet with attached light source provides front lighting for the variable display device. | 2012-03-22 |
20120069597 | PLANAR LIGHT SOURCE DEVICE HAVING LIGHT GUIDE PLATE WITH REFLECTIVE MEMBER - A white highly-reflective layer is formed at both ends of a light incident edge face of a color-mixing region of a light guide plate to surround an LED. Alternately, an overhung portion may be overhung from both ends of the light incident edge face of the color-mixing region of the light guide plate by a same material thereof to surround the LED, and a white highly-reflective layer is formed at terminals of the overhung portion. Still further, an overhung portion may be overhung from both ends of the light incident edge face of the color-mixing region of the light guide plate by the same material thereof to surround the LED, and a specular highly-reflective layer made of metal such as silver or aluminum is formed at terminals of the overhung portion. | 2012-03-22 |
20120069598 | EDGE-TYPE BACKLIGHT MODULE - An edge-type backlight module includes a light guide plate and at least one linear light source. The light guide plate has at least one light-incident sidewall, and the linear light source is substantially parallel to the light-incident sidewall. The linear light source includes a carrier and a plurality of solid-state light-emitting devices. The carrier is equally divided into a first, a second, a third, a fourth, and a fifth device mounting regions sequentially arranged along an extending direction of the carrier. The solid-state light-emitting devices are mounted on the device mounting regions and electrically connected to the carrier. An arrangement pitch of the solid-state light-emitting devices on the fourth device mounting region of the device mounting regions is greater than an arrangement pitch of the solid-state light-emitting devices on the other four device mounting regions. | 2012-03-22 |
20120069599 | TRANSPARENT LUMINOUS WINDOW - The invention relates to a luminous window which can function both as a broad area light source and as a transparent window. The broad area light source is achieved by coupling light into a plate-shaped light guide, e.g. via the edges of the light guide, and extracting light from the light guide using geometric protrusions or diffraction gratings into a scattering layer which outputs the broad area light. The transparent window is achieved by switching the scattering layer into a non-scattering state, and possibly switching off the light source, so that light can propagate freely through the light guide and the scattering layer. | 2012-03-22 |
20120069600 | Double-Sided Light-Emitting Light Guide Plate Assembly and Method for Manufacturing the Same - A double-sided light-emitting light guide plate assembly, and a method for manufacturing the same are disclosed, wherein a reflector is arranged between a first light guide plate and a second light guide plate. When light is emitted from a light source, it enters into the first light guide plate and the second light guide plate from one lateral side of the double-sided light-emitting light guide plate assembly. Through the reflector having two opposite reflective surface, the light is output from the first light output surface of the first light guide plate, and the second light output surface of the second light guide plate, such that the light guide plate assembly of the present invention can emit light from its two opposite surfaces. | 2012-03-22 |
20120069601 | LIGHTING MASTER AND LIGHTING DEVICE - The present invention is directed to a lighting master, which includes a base and a lighting module. A region defined between the base and a housing accommodates a power module. The lighting module is disposed over the base. The base has an outer surface to be bonded with an inner surface of the housing. | 2012-03-22 |
20120069602 | METHOD AND ARRANGEMENT FOR TRACKING THE MAXIMUM POWER POINT OF A PHOTOVOLTAIC MODULE - A method and apparatus of tracking the maximum power point of a photovoltaic module. The method includes measuring an output voltage of the photovoltaic module, determining an output voltage of the inverter connected to the photovoltaic module, and measuring output current of the inverter connected to the photovoltaic module. A variable relating to energy of the capacitor is defined using the measured PV module output voltage, and a second harmonic component is extracted from the defined variable. A second harmonic component of the module output power is estimated using the defined variable, measured output current of the inverter, and the determined output voltage of the inverter. The estimated and extracted second harmonic components are multiplied, and a DC component is extracted from the product. A control signal for controlling the inverter connected to the photovoltaic module is formed by using the extracted DC component in a PI algorithm. | 2012-03-22 |
20120069603 | ADAPTER POWER SUPPLY - An adapter power supply includes an AC/DC converter converting a commercial AC power into a DC power; a DC/DC converter including a transformer composed of a primary terminal and a secondary terminal in order to output an output power by converting a link voltage of the DC power; and a controller presuming a load current of the output power through a primary current of the transformer and varying the link voltage of the DC power according to variation of the estimated load current. | 2012-03-22 |
20120069604 | COMPACT POWER CONVERTER WITH HIGH EFFICIENCY IN OPERATION - A power converter including a main circuit and a sub-circuit. The main circuit serves as a step-up/down chopper circuit including a series-connected assembly of main switches, an inductor coupled to a joint of the main switches, and a capacitor connected in parallel to the series-connected assembly. The sub-circuit is designed to establish the soft-switching and includes a snubber capacitor, a first sub-switch coupled to the joint of the series-connected assembly and a negative terminal of the snubber capacitor, a second sub-switch coupled to the joint and a positive terminal of the snubber capacitor, a third sub-switch coupled to the positive terminal of the snubber capacitor and a high-potential terminal of the main circuit, and a fourth sub-switch coupled to the negative terminal of the snubber capacitor and a low-potential terminal of the main circuit. | 2012-03-22 |
20120069605 | SAMPLED CHARGE CONTROL FOR RESONANT CONVERTER - This document discusses, among other things, apparatus and methods for controlling a converter. In an example, a voltage-controlled oscillator (VCO) can be configured to provide a first pulse train to control the converter. The frequency of the first pulse train of the VCO can be modulated using information indicative of an operating condition of the converter to maintain a desired DC voltage at an output. In an example, the VCO can include a frequency divider configured to provide a second pulse train to the output using information from the first pulse train. | 2012-03-22 |
20120069606 | VERY HIGH FREQUENCY SWITCHING CELL-BASED POWER CONVERTER - In an aspect, the present invention provides a high frequency switching power converter. The high frequency switching power converter may include a plurality of soft-switchable power cells flexibly connected to receive an input signal in series and provide an output. The high frequency switching power converter may further include a controller for configuring the flexible connection and for controlling the power cells to receive the input signal. In an embodiment, each of the plurality of power cells may be separately controllable by the controller. Further, a portion of the plurality of power cells may be arranged with parallel outputs. Additionally, at least one of the plurality of cells may include one or more switched capacitors. In another embodiment, the at least one of the plurality of cells may include at least one switched capacitor and a DC/DC regulating converter. | 2012-03-22 |
20120069607 | INVERTER AND DRIVING METHOD THEREOF - An inverter and driving method of the inverter are disclosed. The inverter includes an active clamp forward (ACF) converter and a flyback converter. One of a forwarding operation of delivering current from a primary side to a secondary side by using the ACF converter and a backwarding operation of delivering current from the secondary side to the primary side by using the flyback converter is selected to generate a rectified AC. | 2012-03-22 |
20120069608 | CONTROL CIRCUIT WITH BURST MODE AND EXTENDED VALLEY SWITCHING FOR QUASI-RESONANT POWER CONVERTER - A control circuit for power converter according to the present invention comprises a PWM circuit generating a switching signal coupled to switch a transformer of the power converter. A feedback input circuit is coupled to an output of the power converter for generating a feedback signal. The feedback signal is coupled to turn off the switching signal. A detection circuit is coupled to the transformer for generating a valley signal in response to a waveform of the transformer. A frequency-variation circuit is coupled to receive the feedback signal and the valley signal for generating a frequency-variation signal. The frequency-variation signal is coupled to turn on the switching signal. A burst circuit is coupled to receive the feedback signal for generating a burst signal to disable the switching signal. | 2012-03-22 |
20120069609 | METHOD FOR LOWERING POWER LOSS AND CIRCUIT - A method and circuit for suppressing a bias current and decreasing power consumption. A current suppression circuit is coupled to a circuit element, which is capable of conducting the bias current. Coupling the current suppression circuit to the circuit element forms a node. In one operating mode, the current suppression circuit applies a voltage to the node in response to a heavy load. In another operating mode, the current suppression circuit lowers the voltage at the node in response to a light load or no load. Lowering the voltage at the node decreases the flow of bias current through the circuit element thereby lowering power loss. | 2012-03-22 |
20120069610 | CONVERTER - A multilevel voltage source converter for high voltage DC power transmission and reactive power compensation. The voltage source converter includes at least one phase element including a plurality of semiconductor switches to interconnect a DC voltage and an AC voltage. The voltage source converter also includes at least one auxiliary converter to act as a waveform synthesizer to modify the DC voltage presented to the DC side of the phase element. | 2012-03-22 |
20120069611 | Correction Circuit of a Switching-Current Sample for Power Converters in Both CCM and DCM Operation - The present invention provides a correction circuit for a power converter. The correction circuit includes a sampling circuit, a demagnetizing-time circuit, a duty circuit, and a compensation circuit. The sampling circuit generates an average-current signal in response to a switching current of the power converter. The demagnetizing-time circuit generates a discharging-time signal in response to a switching signal and an input-voltage signal. The duty circuit generates a duty signal in response to the discharging-time signal, an on-time of the switching signal, and a switching period of the switching signal. The compensation circuit is coupled to receive the average-current signal and the duty signal for generating a corrected signal. The switching signal is utilized to switch a magnetic device for regulating an output voltage of the power converter. The corrected signal is coupled to generate the switching signal. | 2012-03-22 |