47th week of 2008 patent applcation highlights part 29 |
Patent application number | Title | Published |
20080285244 | TEMPORARY CHIP ATTACH CARRIER - A temporary chip attach carrier for and a method of testing an integrated circuit chip. The carrier includes: a substrate, a first array of interconnects disposed on a bottom surface and a second array of interconnects disposed on a top surface of the substrate, corresponding interconnects of the first and second arrays of interconnects electrically connected by wires in the substrate; an interposer, a first array of pads disposed on a top surface of the interposer and a second array of pads disposed on a bottom surface of the interposer, corresponding pads of the first and second arrays of pads electrically connected by wires in the interposer, and pads of the second array in direct physical and electrical contact with corresponding interconnects of the second set of interconnects; and wherein the interposer includes an interposer substrate of the same material as a substrate of the integrated circuit chip. | 2008-11-20 |
20080285245 | Embedded Passive Device Structure And Manufacturing Method Thereof - Embedded passive device structure and its manufacturing method for mainly embedding the passive device structure in the printed circuit board are presented. In this structure, both the source electrode and the ground electrode of the passive device belong to the same level, and includes several source branches and several ground branches that are formed vertically on the inside of the dielectric layer of the circuit board which are connected, respectively, to avoid the conducting between the source electrode and the ground electrode during lamination. When it is in the form of the capacitor structure, through the use of the ultra-fine wiring technique, these source branches and ground branches are separated by a small gap between each other. Therefore, the side face area and quantities of the source branches and ground branches are both increased. | 2008-11-20 |
20080285246 | COMPONENT FIXING METHOD | 2008-11-20 |
20080285247 | Low Exothermic Thermosetting Resin Compositions Useful As Underfill Sealants and Having Reworkability - This invention relates to the thermosetting resin compositions useful for mounting onto a circuit board semiconductor devices, such as chip size or chip scale packages (“CSPs”), ball grid arrays (“BGAs”), land grid arrays (“LGAs”) and the like, each of which having a semiconductor chip, such as large scale integration (“LSI”), on a carrier substrate. Similarly, the compositions are useful for mounting onto circuit board semiconductor chips themselves. Reaction products of the compositions of this invention are controllably reworkable when subjected to appropriate conditions. And significantly, unlike many commercial rapid curing underfill sealants (“snap cure underfills”), the inventive compositions possess an exotherm under 300 J/g or demonstrate package stability at 55° C. for 7 days, and therefore do not require special packaging to be transported by air courier, or special approval from international transportation authorities, such as the U.S. Department of Transportation, to permit such air transport. The inventive compositions possess an exotherm under 300 J/g and/or demonstrate package stability at 55° C. for 7 days and therefore do not require special packaging to be transported by air courier, or special approval from international transportation authorities, such as the U.S. Department of Transportation, to permit such air transport. | 2008-11-20 |
20080285248 | High-speed router with backplane using tuned-impedance thru-holes and vias - A high-speed router backplane is disclosed. The router backplane uses differential signal pairs on multiple signal layers, each sandwiched between a pair of digital ground layers. To reduce routing complexity, at least some of the differential signal pairs route through a via pair, somewhere along their path, to a different signal layer. Specific via designs reduce differential signal distortion due to the via pair, allowing the backplane to operate reliably at differential signal rates in excess of 3 Gigabits per second. In particular, each via passes through nonfunctional conductive pads on selected digital ground plane layers, the pads separated from the remainder of its ground plane layer by a clearance, thereby modifying the impedance of the via and reducing reflections from the stubs created by the via. | 2008-11-20 |
20080285249 | Retention device for interface card cradle - A retention device for an interface card cradle is provided for retaining an interface card cradle in a case of a computer. The retention device includes a guiding seat fixed to the case, a guided member, and a latching member. The guided member is connected to the interface card cradle and guided by the guiding seat, so as to move the interface card cradle relative to the guiding seat. The latching member is pivotally connected to the guiding seat, for selectively fixing the interface card cradle at a retained position or a released position. | 2008-11-20 |
20080285250 | PACKAGING ASSEMBLY FOR AN OPTICAL CHIP IN A GYROSCOPIC UNIT - A structural packaging assembly to support a multi-function optic chip or the like is mountable in a gyroscopic unit. An example assembly includes a housing mounted to a mounting plate. The chip is located in the housing, which in turn is coupled to a mounting plate. The housing may have a prescribed section modulus capable of sufficiently withstanding applied vibrations within a predefined vibrational range, such as a vibrational range at or below about 3500 Hz. The structural packaging assembly utilizes a mounting system with mounting feet that clamp to dowels, which in turn have been press fit into the mounting plate. In one embodiment, the mounting feet take the form of “C” clamp mechanisms, which after being clamped to the dowels, allow for resonance dampening between the housing and the mounting plate. | 2008-11-20 |
20080285251 | Packaging Substrate with Flat Bumps for Electronic Devices and Method of Manufacturing the Same - A packaging substrate with fiat bumps for an electronic device and a method of manufacturing the same relate to the production of the packaging substrate for an electronic device, which comprises base islands and pins structurally and wherein the base islands and pins which all exhibit flat bump shape distribute on the front face of the substrate; the bottom side of the bumps, namely the rear faces of the base islands and pins are contiguous in the same substrate; in the packaging body of a single electronic device to be formed in later procedure, one or more base island may be included, the pins may arrange on one single side of the base island, also may arrange on the both sides or three sides of the base island, or may surround the base island so as to form the structure of one or more circuits of pins. The method includes that take a metal substrate is prepared, mask layers are adhered onto both sides of the metal substrate, the parts of the mask layers which need to be etched are removed, then half-etching is performed to form the recessed half-etching area, and then the residual mask layers on the metal substrate are removed to product the packaging substrate with flat bumps. | 2008-11-20 |
20080285252 | Cable management rack for telecommunication cross-connect systems - The present disclosure relates to a rack for telecommunications equipment. The rack includes a frame defining a bay opening sized and shaped for receiving a plurality of jack modules. The rack also includes a first set of cable management brackets that define a first vertical channel arranged and configured for receiving and vertically managing a plurality of cross-connect cables. Each of the cable management brackets includes a pivot portion that is pivotally movable relative to the frame. The pivot portions are pivotally movable between first positions in which the pivot portions extend partially across a front of the bay opening, and second positions in which the pivot portions are generally offset from the front of the bay opening. The present disclosure also relates to a rack for telecommunications equipment that includes rear cable management structure that defines a plurality of vertical channels along a back side of the rack. The present disclosure further relates to a telecommunications jack module including an array of jacks arranged in top and bottom horizontal rows. The jack module also includes an array of cross-connect locations positioned beneath the bottom horizontal row of jacks. The array of cross-connect locations is electrically connected to both the top and bottom rows of jacks. | 2008-11-20 |
20080285253 | THERMAL ASSEMBLY COUPLED WITH AN APPLIANCE - An appliance assembly includes an appliance and an appliance member. The appliance includes a wall defining a plurality of holes. The appliance member is carried by the appliance. The appliance member includes a housing which includes a snap-fit arrangement coupled with the appliance. The snap-fit arrangement includes a first plurality of ears and a second plurality of ears, the first and second plurality of ears snap-fittingly engaging the plurality of holes. | 2008-11-20 |
20080285254 | ILLUMINATION DEVICE AND VISION MEASURING INSTRUMENT - A light source ( | 2008-11-20 |
20080285255 | Low birefringent light redirecting film - The invention relates to a polymeric optical film comprising a base provided with integral optical features on at least one side, wherein the features have two or more sides that form a ridge line, wherein the optical film has light leakage through crossed polarizers of less than 1.0%. | 2008-11-20 |
20080285256 | BACKLIGHTING DEVICE - The present invention relates to illumination of an instrument for displaying information suitable for use in a vehicle. The invention provides an illumination device for an instrument of a vehicle comprising: a substantially Y shaped light guide having a first leg portion a second leg portion and a third leg portion coupled at a junction; an LED coupled to one end of the first portion of the light guide; and in which the second portion and the third portion have an internal peripheral portion and an external peripheral portion, and the second leg portion and the third leg portion are arranged in operation to illuminate a segment of an instrument and each of the second leg portion and third leg portion have first grooves formed along the internal peripheral portion, and second grooves formed along the second peripheral portion. An instrument comprising such an illumination device is also provided. | 2008-11-20 |
20080285257 | AUDIO SPEAKER ILLUMINATION SYSTEM - An audio system with an illumination mechanism is disclosed. One embodiment includes a device which can be mounted in the center of an audio speaker and used to create an optical effect. | 2008-11-20 |
20080285258 | Gas Light-Post Heater - In one embodiment the instant invention combines a post having a light at its top and a heater in its middle. In one embodiment, the post has a cabinet below the heater. The cabinet may contain the fuel source of the invention so that the heater may be easily portable. In one embodiment, a wind shield protects the heater so that the heat source will not be extinguished. In one embodiment, the light and the heater have separate controls and are separately operable. | 2008-11-20 |
20080285259 | HEADLIGHTS HAVING ADJUSTABLE INTENSITY - Headlights wherein one or more parameters associated with the illumination provided by the associated light source are described. Parameters that can be adjusted, for example, include the intensity of light exiting the headlight assembly, the dispersion of light emitted from the headlight, the direction of illumination, and the like. | 2008-11-20 |
20080285260 | SHELF LIGHT ASSEMBLY - The present disclosure provides a light assembly ( | 2008-11-20 |
20080285261 | Apparatus and Method for Displaying an Object having Relief - The Invention is an apparatus for displaying a medallion in an item of memorabilia. The item of memorabilia defines a cavity. A holder is configured to be contained within the cavity and defines a medallion-receiving opening selectably receiving the medallion. The holder contains an LED lamp oriented generally parallel to the display surface of the medallion. The LED lamp causes the relief of the medallion to cast a shadow on the display surface of the medallion. The lustrous metal of the medallion reflects light from the relief to an observer. | 2008-11-20 |
20080285262 | LONG LIFE CRANKING MINIMIZED FLASHLIGHT - An improved flashlight having a flashlight housing, comprising an elongated substantially flat gear train having a mechanical input and a mechanical output is disclosed. An elongated substantially flat solar cell supplies power to the system. A control circuit is coupled to said solar cell. A generator is electrically coupled to the control circuit and mechanically coupled to the mechanical output of the elongated substantially flat gear train. An electrical switch is coupled to the control circuit. A rechargeable battery and is positioned within a battery housing, which opens to the outside of the housing of the flashlight coupled to said control circuit. A removable cap closes the battery housing. A crank is mechanically coupled to the input of the gear train. | 2008-11-20 |
20080285263 | Induction fluorescent light fixture - A high bay induction fluorescent lighting fixture having a multiple of nested circular lamps suspended on a post below the ballasts therefor and enclosed in a reflector. | 2008-11-20 |
20080285264 | Strip lighting assembly - A strip light assembly including an elongated light carrying member with a series of lights extending along the length thereof, and an elongated translucent tubular cover member in which the light carrying member is removably slidably mounted, the interior of the cover member having radially spaced internal projections positioned to receive the light carrying member therebetween to maintain the light carrying member in selectable different angular orientations in the cover member. | 2008-11-20 |
20080285265 | Luminaire System with Thermal Chimney Effect - A luminaire system having an elongated throughway utilizing a thermal chimney effect. The thermal chimney effect within the throughway circulates air to remove heat generated from the electrical components of the system. Dissipating heat into the throughway from the electrical components can increase the life expectancy of the lamp and the output of the lamp. The electrical components of the system being entirely sealed and isolated from the throughway results in a permanent air, dust, and water tight seal. The permanent seal can minimize damage to the electrical components of the system as well as prevent the build up of moisture and dust within these sealed components. | 2008-11-20 |
20080285266 | THERMAL MANAGEMENT FOR FLUORESCENT BALLAST AND FIXTURE SYSTEM - A fluorescent lamp assembly includes a fixture which supports at least one fluorescent lamp. A ballast is mounted to the fixture for controlling a supply of electrical current to the fluorescent lamp. A thermal transfer material is interposed between the ballast and a portion of the fixture whereby heat is transferred between the ballast and the fixture. | 2008-11-20 |
20080285267 | LIGHT CONTROL DEVICE EXHIBITING BATWING LUMINOUS INTENSITY DISTRIBUTIONS IN UPPER AND LOWER HEMISPHERES - A light control device implemented as a luminaire exhibits an ultra-wide batwing luminous intensity distribution in an upper hemisphere that provides substantially uniform illumination of a ceiling surface, even when the luminaire is mounted very close to the ceiling. Luminous side panel diffusers facilitate blending the luminaire with the ceiling surface as they create a batwing luminous intensity distribution in a lower hemisphere to evenly illuminate a work plane. | 2008-11-20 |
20080285268 | Backlight Device - Disclosed is a backlight device for illuminating a transmissive color liquid crystal display panel from its backside with white light. The backlight device includes, as a light source, a plural number of principal light emitting diode units | 2008-11-20 |
20080285269 | Led Lamp - An LED lamp includes a lamp-lid, a metal lamp-cup, an insulating layer for connecting a lamp-cap and the metal lamp-cup, LEDs, a semispherical pallet or an astigmatism plate, and a PCB (Printed Circuit Board) in the metal lamp-cup, characterized in that, one semispherical pallet is provided on said PCB, the semispherical pallet has the same number of holes as that of the LEDs, the LEDs are installed in the holes of the semispherical pallet, electrical connections of the LEDs are connected to the PCB through the semispherical pallet, and provided with power. The LEDs installed in this way are mounted on the semispherical pallet and arranged in a semisphere, thus light of the LEDs is radiated in various directions, increasing the light emitting angle of the LEDs, or the semispherical pallet is replaced by the astigmatism plate made of transparent or subtransparent material, the said metal lamp-cup is a larger area lamp cup made of metal or heat conduct materials; thus facilitating the heat emission of the LED lamp. | 2008-11-20 |
20080285270 | LIGHT EMITTING DIODE PACKAGE - A substrate structure for light emitting diodes (LED) chips operation includes a heat spreader, chip holders arranged in the center of the heat spreader, transfer pads located near the chip holders for wire bonding interconnection between the LED chips, and a circuit layer having a gap dividing the circuit layer diagonally. The circuit layer includes a first insulation layer on top of the heat spreader, a metal trace layer on top of the first insulation layer, and a second insulation layer on top of the metal trace layer, wherein portions of the second insulation layer are removed at the opposite corners along the gap, and around the opening, and a conductive plating is plated on the second insulation layer around the opening. Furthermore, a spotlight cap is provided to focus the light emitted from the LED. A LED package includes the substrate structure and the spotlight cap is also provided. | 2008-11-20 |
20080285271 | LED-BASED FIXTURES AND RELATED METHODS FOR THERMAL MANAGEMENT - LED-based lighting fixtures suitable for general illumination in surface-mount or suspended installations, in which heat dissipation properties of the fixtures are significantly improved by decreasing thermal resistance between LED junctions and the ambient air. In various examples, improved heat dissipation is accomplished by increasing a surface area of one or more heat-dissipating elements proximate a trajectory of air flow through the fixture. In one aspect, various structural components of the fixtures are particularly configured to create and maintain a “chimney effect” within the fixture, resulting in a high air-flow rate, natural convection cooling system capable of efficiently dissipating the waste heat from the fixture without active cooling. | 2008-11-20 |
20080285272 | Heat sinks and other thermal management for solid state devices and modular solid state - A luminaire module comprising an LED on an optical axis, thermally mounted to a heat sink, said heat sink comprising openings for which air can circulate; said opening of each portion offset from each other so that light emanating from said LED can pass through the holes from one said portion, said light blocked by the solid area of the other portion. | 2008-11-20 |
20080285273 | LED TABLE LAMP - An LED table lamp including a base, a holder, and a light emitting device is provided, wherein an end of the holder is connected to the base. The light emitting device includes a lampshade connected to the other end of the holder, multiple Lambertian LED light source assemblies, multiple side-emitting LED light source assemblies, a transparent support provided at the lampshade, and multiple brightness enhancement films (BEF). The lampshade has a side wall and a top wall connected the side wall, and the Lambertian LED light source assemblies and the side-emitting LED light source assemblies are disposed on the top wall. The BEFs are disposed on the transparent supports correspondingly to the Lambertian LED light source assemblies and are suitable to focus the light emitted from the Lambertian LED light source assemblies. | 2008-11-20 |
20080285274 | Panel light source for back-lit signs - Disclosed herein is an illuminated signboard using a plane light source in which edges of two light guide plates are cut in an inclined form, an opaque plate having high surface reflectivity is inserted between the two light guide plates to optically block the two light guide plates from each other, and the light guide plates and the opaque plate are combined to form a second lighting part. U-shaped frames including LEDs are connected to construct a frame housing and the second lighting part is combined with the frame housing. Light emitted from the LEDs and transmitted in the light guide plates is dispersed by a dispersing mechanism formed on the backsides of the light guide plates using paint, print ink or engraving to transmit the light guide plates and graphics or natural color pictures formed on transparent plates attached to the outer sides of the light guide plates so as to illuminate the graphics or the natural color pictures. | 2008-11-20 |
20080285275 | Lighting Device - The present invention relates to a lighting device in the form of a matrix illumination system, comprising a transparent carrier plate ( | 2008-11-20 |
20080285276 | Solid-state light sources for curing and surface modification - The systems and methods described herein relate to solid-state light sources capable of generating radiation beams for, but not limited to, the treatment of surfaces, bulk materials, films, and coatings. The solid-state ultraviolet source optically combines the light output of at least two and preferably as many four independently controllable discrete solid-state light emitters to produce a light beam that has a controllable multi-wavelength spectrum over a wide range of wavelengths (i.e. deep UV to near-IR). Specific features of this light source permit changes in the spectral, spatial and temporal distribution of light for use in curing, surface modification and other applications. | 2008-11-20 |
20080285277 | Bottom lighting type backlight module having illumination and heat dissipation spaces and plurality of through-holes therein - An exemplary bottom lighting type backlight module includes a frame, a plurality of light sources, a reflecting sheet and at least one optical sheet. The frame includes a base and a plurality of sidewalls extending from the peripheral of the base to define an opening. The base defines a plurality of guide holes. Each optical sheet is disposed on the opening of the frame. The at least one optical sheet and the frame collectively define a chamber. The reflecting sheet is supported by the sidewalls, for partitioning the chamber into an illumination space and a heat dissipation space. The reflecting sheet defines a plurality of through holes therein. The light sources are arranged on the base of the frame under the reflecting sheet according to the through holes, illuminating light through the through holes towards the at least one optical sheet. | 2008-11-20 |
20080285278 | String, Chain and Luminous Device with Light-Emitting Diodes and Light-Emitting Diode Support - String and support for light-emitting diodes having a capsule and, at a rear end of said capsule, electrical connecting pins, in which encapsulating blocks embed the rear parts of said diodes, said pins, the end parts of the connecting wires connected to these pins and the adjacent end parts of their sheaths. Also described is a chain of light-emitting diodes, comprising sheathed flexible electrical supply wires and a multiplicity of strings, of which the end wires are connected respectively to said supply wires. Additionally, a luminous device with light-emitting diodes, comprising at least one board having a multiplicity of traversing holes, at least one string of light-emitting diodes and/or at least one chain of light-emitting diodes, of which the diodes are engaged respectively in at least some of said holes of the board, from one side of the latter and are held. | 2008-11-20 |
20080285279 | Light emitting diode (LED) light bulb - The present invention relates to an LED light bulb. The LED light bulb comprises a base and a hollow shell. The base has a closed end, an open end and a sleeve between the two ends. The shell is connected to the open end of the base. The LED light bulb comprises at least two LEDs substantially linearly arranged within the shell. By arrangement of multiple LEDs one or more strands the luminance or brightness of the bulb is improved compared with a bulb with one LED or with several horizontally arranged LEDs in a common place, without sacrificing the advantage of energy saving. | 2008-11-20 |
20080285280 | Lighting Module - This invention relates to a lighting module ( | 2008-11-20 |
20080285281 | COMPOSITE ILLUMINATION DEVICE - A composite illumination device includes a first casing; at least one first light-emitting element; at least one electric socket and at least one second light unit. The first casing having a receiving space thereinside and the first light-emitting elements are received in the receiving space to emit first light. The second light unit electrically connected to the electric socket to control a second light-emitting element to emit second light. Furthermore, the second light unit is rotatably and movably connected into the electric socket. With the above-mentioned structure, first light is provided for a common illumination and second light can be adjusted to shine a predetermined position for a guiding effect. | 2008-11-20 |
20080285282 | Directional Light Output Devices Such as Multi-View Displays - A light emitting device comprises a substrate ( | 2008-11-20 |
20080285283 | Spiral Shaped, with Jointed Rigid Arms, Foldable Lamp - The present invention concerns a lamp with jointed rigid arms forming, in the folded position, a spiral shape, that can be a circular spiral or a polygonal spiral: see FIG. | 2008-11-20 |
20080285284 | Self-contained full light cut-off light pollution-free bulb - The full light cut-off, light pollution-free, light bulb is a complete and self-contained bulb that is designed to replace standard light bulbs in standard light fixtures turning that standard light fixture into a full cut-off, light pollution-free fixture. The light bulb assembly is built around a light bulb, such as a compact florescent light bulb or a standard incandescent light bulb. Two variations are described. The first design is to replace standard compact florescent light bulbs or incandescent light bulbs mounted in an upward facing socket such as a lamp post or upward socket carriage light fixture. The second design is to replace standard compact florescent light bulbs or incandescent light bulbs mounted in a downward facing socket such as downward socket carriage light fixture. In both designs, the basic light bulb is enclosed in a transparent cylinder. Between the cylinder and the base bulb are a series of opaque, conical louvers arranged so as to provide full cut-off of the light emitted from the bulb in the horizontal direction and above the horizontal direction. Light emission from the bulb will in fact be limited to a cone-shaped volume below the light bulb fixture assembly. The upper end-cap of the cylinder in both designs may be opaque with a mirrored interior surface to aid in reflecting the light in the downward direction. The lower end-cap surface of the cylinder in both designs is transparent to allow maximum possible light transmission in the downward direction. | 2008-11-20 |
20080285285 | Light-Emitting Diode heat-dissipating module - The present invention discloses a LED (Light-Emitting Diode) heat-dissipating module, which comprises a heat-dissipating fin, a heat-conduction pipe, a LED illumination module and a casing. The heat-dissipating fin has an insertion/press-fit member inserted by or press-fitted to the heat-conduction pipe. The heat-conduction pipe has a contact region contacting the LED illumination module. In the application of the present invention, the LED illumination module is installed on the contact regions of several heat-conduction pipes inserted into or press-fitted to the heat-dissipating fins; thus, the heat generated by the LED illumination module can be effectively dissipated. Then, the LED illumination module is placed inside the casing having an accommodation space. Thus, heat can be conducted via the heat-conduction pipe to the heat-dissipating fin and then fast dissipated therefrom even though the LED illumination module is placed inside the casing. | 2008-11-20 |
20080285286 | Faceted par lamp - A PAR lamp ( | 2008-11-20 |
20080285287 | OPTICAL PLATE AND BACKLIGHT MODULE USING THE SAME - An exemplary optical plate includes one or more transparent plate section. The transparent plate section includes a light output surface, a bottom surface, a plurality of spherical depressions, a plurality of protruding structures and one or more lamp-receiving portion. The light output surface is opposite to the bottom surface. The spherical depressions are formed on the bottom surface. The protruding structures are formed on the light output surface. Each protruding structure includes two conical frustums aligned at a center axis and stacked together. The lamp-receiving portion is defined in the bottom surface. A backlight module using the present optical plate is also provided. | 2008-11-20 |
20080285288 | LIGHT-OPTICAL MODULE - The aim of the invention is to increase the accuracy of adjustment by simplifying the adjustment of each light-optical module of a lighting device. The aim is attained by means of the inventive light-optical module comprising an annular holder provided with a core which is arranged in the center thereof and connected thereto by three strengthening ribs, a reflector and a light-emitting element embodied in the form of a light-emitting diode. Said light-emitting diode is arranged in a nest embodied in the core on the reflector side. The annular holder is connected to the reflector by means of a threaded joint and the mounting surface thereof arrangeable in the lighting device body is shaped in the form of a cone. The inventive annular holder, the core and the strengthening ribs are made of a heat-conducting material. | 2008-11-20 |
20080285289 | LAMP WITH HEAT DISSIPATING CAPABILITY - A lamp includes a housing, a heat dissipating plate, a circuit unit, and a heat distributing unit. The housing includes a housing body surrounding an axis and having an opening. The heat dissipating plate is disposed in the housing body and has a peripheral portion contacting the housing body. The circuit unit is disposed in the housing body, and includes a base plate coupled to the heat dissipating plate, and a light emitting unit mounted to the base plate opposite to the heat dissipating plate. The heat distributing unit is disposed in the housing body, and includes a heat conducting bar coupled to the heat dissipating plate opposite to the circuit unit, and further coupled to a heat distributing plate opposite to the heat dissipating plate. The heat distributing plate has a plate periphery contacting the housing body. | 2008-11-20 |
20080285290 | LIQUID CRYSTAL DISPLAY DEVICE - If a forced convection is generated by a cooling fan, there is generated a problem that a natural convection is prevented and a cooling effect in a region of the natural convection is lowered. The invention provides a structure in which an air flow generated by a forced convection does not come into contact with an air flow generated by a natural convection, by setting a partition all between a forced convection path in which the air flows on the basis of a forced convection generated by a cooling fan, and a natural convection path in which the air flows on the basis of a natural convection. Further, the partition wall is not provided near an upper end so as to draw in the air flowing through the natural convection path to a side of the forced convection path, thereby promoting the natural convection of the natural convection path. | 2008-11-20 |
20080285291 | Recessed light retrofit kit - A kit and method is disclosed to convert a recessed incandescent lighting fixture to a hanging light fixture. The kit includes a lampholder adapter, an electrical plug, an electrical plug, a power cord and a cover plate for hanging light fixtures using incandescent light bulbs. There is also disclosed a kit to convert a recessed incandescent lighting fixture to a hanging light fixture that uses halogen light bulbs. The kit includes a lampholder adapter, an electrical plug, an electronic ballast, a power cord, an adjustable lamp cord, and a cover plate. | 2008-11-20 |
20080285292 | MOTORCYCLE TAIL LIGHT ASSEMBLY - A tail light assembly for a motorcycle includes a first array of at least one LED in illuminated in at least a first color. The first group of LEDs operates in a non-operating condition, a running condition where each LED of the first array is illuminated at first intensity, and a braking condition where each LED is illuminated at a second, brighter intensity. A second array of at least one LED is illuminated in at least a second color. The second array operates in a non-operating condition, and a flashing condition where each LED of the second array alternates between being illuminated and not illuminated. Each LED of the first array is illuminated at the first or the second intensity while each LED of the second array alternates between being illuminated and not illuminated in the flashing condition. | 2008-11-20 |
20080285293 | Outer Mirror - The purpose of the present invention is to widely illuminate a road surface at a side of a vehicle body along a front-rear direction of the vehicle body before and after housing of the outer mirror. An outer mirror of the present invention is pivotally movable in the front-rear direction of the vehicle body around a base end portion of the outer mirror, and includes a mirror housing which is thrust laterally from a side surface of the vehicle body. In the mirror housing, a light unit and a lens fixed on an optical axis of the light unit are provided. Any one of the light unit and the lens is moved to illuminate identical or substantially identical area on the road surface at the side of the vehicle body before and after pivotal movement of the mirror housing. | 2008-11-20 |
20080285294 | DECORATIVE LIGHTING DEVICES - Disclosed herein are lighting devices which may include one or more sheets with lighting components on the sheet or sheets, and also a mounting device for securing the lighting device to a surface. The lighting devices are typically configured to position the sheet or sheets in a deployed position wherein the lighting components are substantially visible, and a retracted position wherein the lighting components are substantially obscured. The disclosed lighting devices may move the sheet between the retracted and deployed positions by winding or unwinding the sheet. The disclosed lighting devices may be configured for attachment to a building or vehicle. In some examples, two of the disclosed lighting devices may be connected together. The connection may provide for substantially joint movement of the two lighting devices. Some disclosed lighting devices may also include a picture that may or may not be fully or partially formed by the lighting components. | 2008-11-20 |
20080285295 | Led Collimator Element for a Vehicle Headlight with a Low-Beam Function - The invention relates to a LED collimator element for a vehicle headlight with a low-beam function, which emits at least visible light of one color from at least one region of a light source. The LED collimator element ( | 2008-11-20 |
20080285296 | OPERATION PANEL - An operation panel includes: a casing having a front surface; first and second operation elements disposed on the front surface of the casing; a light source for emitting light to each of the first and second operation elements and disposed in the casing; and a brightness adjustment layer for covering at least a part of a light emitting surface of the light source. The first operation element includes a first light transmission part, and the second operation element includes a second light transmission part. The light from the light source transmits the first and second light transmission parts so that the light is output from the casing. The brightness adjustment layer adjusts brightness of the light emitted from the light source and outputting toward one of the first and second light transmission parts. | 2008-11-20 |
20080285297 | LIGHTING UNIT FOR VEHICLE HEADLAMP - A lighting unit for a vehicle headlamp is provided with a projection lens, a light source, a reflector, a shade, and a convex lens. The projection lens is arranged on an optical axis extending in a longitudinal direction of a vehicle. The light source is arranged on a rear side of a rear side focal point of the projection lens. The reflector is configured to reflect forward a light from the light source toward the optical axis. An upper end edge of the shade passes through a vicinity of the rear side focal point. The shade is configured to shield a part of a reflected light from the reflector. The convex lens is arranged between the light source and the shade. The convex lens is configured to converge the light from the light source into the vicinity of the upper end edge of the shade. | 2008-11-20 |
20080285298 | Heat Exchange Enhancement - A heat exchange device that includes a structural section and a thin layer of material attached to a surface of the structural section. The thin layer of material has a thickness less than 100 microns. The combination of the structural section and the thin layer of material has a higher thermal transfer coefficient than the structural section alone, the thermal transfer coefficient representing an ability to exchange thermal energy with an ambient gas. | 2008-11-20 |
20080285299 | Fiber optic garden light - This invention relates to garden lights, and more specifically toward garden lights using light emitting diodes to emit light through one or more fiber optic elements that are housed inside of a transparent tube. The fiber optic elements can be of various lengths, providing light that exits the fiber optic elements at different locations along the length of the transparent tube. Further, the light emitting diodes can be of different colors, rendering a pleasing effect of light in intensity, color, and location. | 2008-11-20 |
20080285300 | LED illumination engine using a reflector - An illumination engine for a projection display using light emitting diodes (LEDs) that includes a reflector having a first and second focal points, a source of electro-luminescence located proximate to the first focal point to emit rays of radiation in a first range of wavelengths that reflect from the reflector and converge substantially at the second focal point, and a light pipe having an first input end and a first output end, the first input end being located proximate to the second focal point to collect substantially all of the radiation and wherein the first output end transmits substantially all of the radiation. The illumination system may further include a substrate having a first side, a platform disposed proximate to the first side of the substrate, and a plurality of reflectors each having a first and second focal points disposed in the platform, each of the first and second focal points disposed proximate to the first side of the substrate, a plurality of sources of electro-luminescence disposed on the first side of the substrate, each of the sources of electro-luminescence disposed substantially coincident with a corresponding one of the first focal points to emit rays of electromagnetic radiation that reflect from a corresponding one of the plurality of reflectors and converges substantially at a corresponding one of the second focal points, a plurality of light pipes disposed in the substrate, each of the light pipes having an input end and an output end, each of the input ends disposed substantially coincident with a corresponding one of the second focal points to collect substantially all of the radiation, wherein each of the output ends transmits substantially all of the radiation emitted by a corresponding one of the plurality of sources. | 2008-11-20 |
20080285301 | LIGHTING DEVICE COMPRISING A PLURALITY OF SEMICONDUCTOR LIGHT SOURCES - A lighting device is disclosed comprising a plurality of semiconductor light sources disposed on a carrier, wherein the light from the light sources is coupled into assigned lightguides at a set angle to the surface normals of the carrier and the lightguides are provided with reflecting and light exit faces such that the envelope of the light outcoupling faces forms a curved surface segment. | 2008-11-20 |
20080285302 | DENTAL CURING LIGHT HAVING A SHORT WAVELENGTH LED AND A FLUORESCING LENS FOR CONVERTING SHORT WAVELENGTH LIGHT TO CURING WAVELENGTHS AND RELATED METHOD - A dental curing light includes a body, one or more LEDs configured to emit a first spectrum of light having a relatively short first peak wavelength (e.g., UV) disposed on the body, and a fluorescing lens that converts at least a portion of the first spectrum of light into a second spectrum of light having a second peak wavelength that is longer than the first peak wavelength. The second spectrum of light is selected so as to match the curing spectrum of a desired light-curable dental composition. In a preferred embodiment, the body comprises an elongate wand having a proximal end and distal end. The LEDs may be disposed at or near the distal end of the elongate wand. | 2008-11-20 |
20080285303 | OPTICAL MODULE AND MANUFACTURING METHOD THEREOF - An optical module according to the present invention comprises an electric wiring substrate, a first optical element mounted on the electric wiring substrate so that a heat generation section of the first optical element is positioned relatively close to a substrate surface of the electric wiring substrate and a heat sink mounted on the same plane as the mounting plane of the first optical element on the electric wiring substrate, the heat sink being mounted on the electric wiring substrate so that an area of electric wiring on the electric wiring substrate overlaps the heat sink. This improves the efficiency of heat radiation of the optical module. | 2008-11-20 |
20080285304 | LIGHT EXTRACTION FILM SYSTEM - A backlight comprises in order a lightguide plate with a sidelit light source and bonded thereto a light extraction unit containing in order from the lightguide plate, a first polymeric layer, an adhesive layer, a second polymeric layer bearing features at least partly embedded in the adhesive layer wherein the materials of the first polymeric layer, the adhesive layer, and the second polymeric layer differ by less than 0.05 in refractive index, the interstitial regions between the non-embedded portions of the features containing a material having a refractive index at least 0.1 lower than that of the material comprising the features. | 2008-11-20 |
20080285305 | LIGHT-GUIDE PLATE, AREA LIGHT SOURCE APPARATUS AND IMAGE READING APPARATUS - An LED module is mounted on a case frame by fitting three pins formed at a concave portion of the case frame, into holes in the LED module corresponding to the pins. A light-guide plate is fitted into the case frame formed integrally with a bottom cover in a descending direction. The light-guide plate is fixed by a hook provided for the case frame. A space between the light-guide plate and the LED module is prevented by pressing the light-guide plate to the LED module with a pressing spring. Since the light-guide plate is fitted into the case frame in the descending direction and a light scattering sheet is adhered to an outer end surface of the case frame in the descending direction, it is not necessary to reverse the worked product and so the number and time of working processes can be saved. | 2008-11-20 |
20080285306 | Image Display Apparatus and In-Vehicle Image Display Apparatus - An image display apparatus has one display screen configured to display images corresponding to a plurality of observers. The image display apparatus comprises an illumination means for emitting a first light flux and a second light flux in at least two different directions in a time sharing manner, and a transmissive display element configured to display in a time sharing manner a first image using the first light flux emitted from the illumination means as illumination light and a second image using the second light flux as illumination light, and the illumination means includes a first light source | 2008-11-20 |
20080285307 | LCD DISPLAYS WITH LIGHT REDIRECTION - A backlight apparatus for directing light toward a display panel and the resulting display device comprises a solid lightguide comprising opposite TIR surfaces, containing a desired pattern of light redirecting surface features located between the TIR surfaces and interrupting one of the TIR surfaces, the features having a refractive index differing from that of the solid material of the light guide. Such an apparatus provides a more even light distribution to the display. | 2008-11-20 |
20080285308 | Light Guide and Apparatus For Using Light Guide - A light guide and associated display having high uniformity of luminance over the entire light guide and display front side are disclosed. | 2008-11-20 |
20080285309 | Light guide plate and backlight module having the same - A light guide plate has a light-receiving surface, a light-emitting surface, and a light-reflecting surface. Multiple first arc-shaped longitudinal structures are arranged on the light-receiving surface with their longitudinal directions being substantially parallel with each other. Multiple second arc-shaped longitudinal structures are arranged on the light-emitting surface with their longitudinal directions being substantially parallel with each other. The light-reflecting surface is shaped to form a plurality of prismatic structures, and a luminance-adjusting structure is formed on part of the light-reflecting surface near the point light source and interlaced with the prismatic structures. | 2008-11-20 |
20080285310 | ELONGATED ILLUMINATORS CONFIGURATION FOR LCD DISPLAYS - A solid waveguide comprises opposite TIR surfaces further comprising: | 2008-11-20 |
20080285311 | DC-DC CONVERTER - In a DC-DC converter of the present invention, a converting circuit converts a DC-DC voltage outputted from a DC power supply into an AC voltage, and to output to a series circuit in which a primary winding of a first transformer, a first reactor, and a current resonance capacitor are connected to one another in series. A primary winding of a second transformer, a primary winding of a third transformer, and a second reactor constitute a closed loop. A secondary winding of the second transformer and a secondary winding of the third transformer are connected in series to both ends of a secondary winding of the first transformer. A first rectifying/smoothing circuit rectifies and smoothes a voltage of the secondary winding of the second transformer. A second rectifying/smoothing circuit rectifies and smoothes a voltage of the secondary winding of the third transformer. | 2008-11-20 |
20080285312 | Phase Compensation Driving Scheme for Synchronous Rectifiers - Phase compensation of a voltage appearing on physical terminals of a synchronous rectifier switching element such as a MOSFET is used to substantially eliminate effects of package inductance of the synchronous rectifier and thus approximate the actual voltage across the circuit element providing synchronous rectification in, for example, a switching power converter. By doing so and using the phase compensated signal to control the synchronous rectifier, switching time may be more suitably controlled to improve efficiency of the synchronous rectifier by substantially eliminating body diode conduction and body diode reverse recovery effects. | 2008-11-20 |
20080285313 | METHODS AND APPARATUS TO CONTROL A DIGITAL POWER SUPPLY - Methods and apparatus to control a digital power supply are disclosed. An example method includes controlling a power factor controller by: receiving a first current signal flowing in a first stage of the power factor controller, receiving a second current signal flowing in a second stage of the power factor controller, determining a difference between the first current signal and the second current signal, determining if the magnitude of a measured current signal is above a predetermined threshold, activating an integrator to integrate the difference when the magnitude of the measured current signal is above a predetermined threshold, and outputting a first control signal and a second control signal to the power factor controller based on the output of the integrator. | 2008-11-20 |
20080285314 | ADVANCED MATRIX CONVERTER AND METHOD FOR OPERATION - A matrix converter may be provided with AC switches that comprise bi-directional sets of semiconductor switches that are gated with a common gating link. A low loss diode-bridge based snubber may facilitate introduction of time delay between sequential operations of the bi-directional set of semiconductor switches. The matrix converter may be operated in a three-phase mode with only one gating signals for each AC switch, in contrast to prior-art matrix converters which may require use multiple gating signals for each AC switch. | 2008-11-20 |
20080285315 | POWER SUPPLY APPARATUS AND ELECTRONIC DEVICE HAVING THE POWER SUPPLY APPARATUS - A power supply to improve an EMI characteristic and an electronic device having the power supply. The power supply includes a power converter to convert an alternating current (AC) power applied from outside to a direct current (DC) power, a ground portion to supply a ground power to the power converter and a noise attenuator to reduce noise by blocking a harmonic current generated by a driving of the power converter from passing through the ground portion. Accordingly, the stable ground power can be supplied to the internal elements by avoiding the potential change of the ground power and the noise caused by the flow of the harmonic current can be reduced by shortening the harmonic current path. Therefore, the EMI characteristic can be improved. | 2008-11-20 |
20080285316 | AC/DC CONVERTER AND AC/DC CONVERSION METHOD USING THE SAME - Disclosed herein are an AC/DC converter which is simple in circuit configuration, generates little ElectroMagnetic Interference (EMI) and has no transformer so that it can be reduced in weight and size and improved in AC/DC conversion efficiency, and an AC/DC conversion method using the same. The AC/DC converter includes a rectification circuit for converting a commercial AC (85-264V) voltage into a ripple AC voltage, a first control circuit for comparing the converted ripple AC voltage with a reference voltage and outputting a first pulse control signal as a result of the comparison, a first switching circuit for switching and outputting the ripple AC voltage from the rectification circuit in response to the first pulse control signal outputted from the first control circuit, and a first charge storage circuit for smoothing the ripple AC voltage outputted from the first switching circuit to convert it into a primary DC voltage. | 2008-11-20 |
20080285317 | PHOTOVOLTAIC MODULE-MOUNTED AC INVERTER - A photovoltaic module-mounted AC inverter circuit uses one or more integrated circuits, several power transistors configured as switches, several solid-dielectric capacitors for filtering and energy storage, several inductors for power conversion and ancillary components to support the above elements in operation. The integrated circuit includes all monitoring, control and communications circuitry needed to operate the inverter. The integrated circuit controls the activity of pulse-width modulated power handling transistors in both an input boost converter and a single-phase or multi-phase output buck converter. The integrated circuit also monitors all power processing voltages and currents of the inverter and can take appropriate action to limit power dissipation in the inverter, maximize the available power from the associated PV module and shut down the inverter output if the grid conditions so warrant. The integrated circuit implements power line communications by monitoring the AC wiring for signals and generating communications signals via the same pulse-width modulation system used to generate the AC power. Communications is used to report inverter and PV module status information, local identification code and to allow for remote control of inverter operation. | 2008-11-20 |
20080285318 | Power Factor Correction Circuit - A power factor correction circuit having an input current for reducing the distortion and harmonics generated in a power line feeding power supply comprising:
| 2008-11-20 |
20080285319 | Method and apparatus achieving a high power factor with a flyback transformer - Common household power transformers (e.g., “wall warts”) typically exhibit poor power factors, which, in turn, cause energy losses to power grids and adversely affect current waveforms in the power grids. AC-to-DC power conversion with good power factor is achieved using a transformer, power switch coupled in series with the primary side of the transformer, and switching controller. The switching controller measures current through the primary side of the transformer, via a current sense element, and controls the power switch to enable and disable current through the primary side of the transformer. The switching controller generates a power switch control signal at a frequency with a duty factor that changes non-linearly as a function of an instantaneous current through the primary side of the transformer. As a result, a power factor of greater than 90% or even 95% can be achieved. | 2008-11-20 |
20080285320 | Alternating electric current generating process - This is a process to generate alternating current without an external source for cell-houses in electrowinning or electrorefining of copper or other products in which the electric source consists of a conventional rectifier-transformer group that supplies continuous electrical current to the cell-house, which is connected in parallel to a device characterized by having the capacity to extract an electrical current from the cell-house for a period of time and then return it in another period of time, whether periodically or semiperiodically and without changing the average value of the electrical current, supplied to the cell-house by the rectifier-transformer. This results in a electrical current in the cell-house that is the superimposition of a continuous and alternating current. This process is designed to overcome the barrier of electric potential produced by the presence of the pure continuous electric field in cell-houses through the electric agitation of an ion-rich electrolyte. | 2008-11-20 |
20080285321 | DC-AC Converter and Method of Supplying AC Power - A dc-ac converter capable of supplying a finely regulated ac drive voltage to a load is provided. For this purpose, the converter includes, in a primary winding of a transformer, a full-bridge or half-bridge type semiconductor switch circuit whose switches can be controlled by pulse-width modulation. Transformer has a secondary winding for connection with a load. Based on PWM signals and by use of adequate switching logics for controlling multiple semiconductor switches, sophisticated control including zero-current switching and penetrating current prevention can be effected. Moreover, by means of regulated burst control of the ratio of on-duty period to off-duty period together with pulse-width modulation control, power supplied to the load can be regulated over a wide range beyond the limits of control obtained by the pulse-width modulation. | 2008-11-20 |
20080285322 | Junction field effect dynamic random access memory cell and content addressable memory cell - A semiconductor memory device including a dynamic random access memory (DRAM) cell and a ternary content addressable memory (TCAM) cell is disclosed. The DRAM cell may include a data storing portion and a data read portion. The data storing portion and data read portion comprising p-channel junction field effect transistors. The TCAM cell including an x-cell, y-cell, and comparator circuit. The x-cell, y-cell, and comparator circuits comprising p-channel JFETs. | 2008-11-20 |
20080285323 | Method and Arrangement for Associative Memory Device Based on Ferrofluid - The present invention provides an associative memory device based on a ferromagnetic nano-colloid, or ferrofluid. The design comprises inductive input and output units for training the ferrofluid as well as sensors incorporated into the output units for performing recall. | 2008-11-20 |
20080285324 | SEMICONDUCTOR MEMORY DEVICE - Shunt regions are formed at certain intervals in a memory cell array region as extending in a second direction. The shunt regions each include a contact formed to connect a word line or a signal line wired in the same direction to another metal wire. Extension regions are each formed of an extension of the shunt region in the data cache array region. Data input/output lines extend in a first direction and transfer data on bit lines simultaneously via a data cache array. Sense circuits are arranged around the data cache array and connected to the data input/output lines respectively. The data input/output lines are divided at a certain interval in the first direction. The divided portions are connected to respective leads formed in the extension region in the longitudinal direction thereof and connected to the sense circuits via the leads. | 2008-11-20 |
20080285325 | Semiconductor Memory Device - In a two-transistor gain cell structure, a semiconductor memory device capable of stable reading without malfunction and having small-area memory cells is provided. In a two-transistor gain cell memory having a write transistor and a read transistor, a write word line, a read word line, a write bit line, and a read bit line are separately provided, and voltages to be applied are independently set. Furthermore, a memory cell is connected to the same read word line and write bit line as those of an adjacent memory cell. | 2008-11-20 |
20080285326 | HIGH DENSITY NON-VOLATILE MEMORY ARRAY - A high-density non-volatile memory array. In one aspect of the invention, a memory array circuit includes a plurality of word lines, a plurality of bit-lines, and a plurality of memory cell transistors. The gate of each memory cell transistor is connected to one of the word lines, and the drains and sources of each memory cell transistor are connected only to the bit-lines. | 2008-11-20 |
20080285327 | Ferroelectric Memory and Semiconductor Memory - A chain type ferroelectric random access memory has a memory cell unit including ferroelectric memory cells electrically connected in series to each other, a plate line connected to an electrode of the memory cell unit, a bit line connected to the other electrode of the memory cell unit via a switching transistor, a sense amplifier which amplifies the voltages of this bit line and its complementary bit line, and a transistor inserted between the switching transistor and the sense amplifier. A value, being the minimum value of the gate voltage in the transistor obtained during elevation of the plate line voltage and comparative amplification, is smaller than a value, being the maximum value of the gate voltage in the transistor obtained during fall of the plate line voltage and comparative amplification. With these features, decrease in the accumulated charge of polarization in the memory cell is reduced and occurrence of disturb is prevented during read/write operations. | 2008-11-20 |
20080285328 | Phase Change Memory - A phase change memory is provided. The method includes forming contact plugs in a first dielectric layer. A second dielectric layer is formed overlying the first dielectric layer and a trench formed therein exposing portions of the contact plugs. A metal layer is formed over surfaces of the trench. One or more heaters are formed from the metal layer such that each heater is formed along one or more sidewalls and a portion of the bottom of the trench, wherein the portion of the heater along the sidewalls does not include a corner region of adjacent sidewalls. The trench is filled with a third dielectric layer, and a fourth dielectric layer is formed over the third dielectric layer. Trenches are formed in the fourth dielectric layer and filled with a phase change material. An electrode is formed over the phase change material. | 2008-11-20 |
20080285329 | RECORDABLE ELECTRICAL MEMORY - A memory device includes a plurality of memory cells each including a recordable layer between two metal layers, the recordable layer including a first sub-cell and a second sub-cell. Each memory cell is constructed and designed to change from an as-deposited state to an initialized state upon application of an initialization signal, from the initialized state to a first inscribed state upon application of a first write signal, and from the initialized state to a second inscribed state upon application of a second write signal. The memory cell has a resistor-like current-voltage (I-V) characteristic when in the as-deposited state, a diode-like I-V characteristic when in the initialized state, and resistor-like I-V characteristics when in the first and second inscribed states for voltages within a predetermined range. | 2008-11-20 |
20080285330 | METHODS OF OPERATING A BISTABLE RESISTANCE RANDOM ACCESS MEMORY WITH MULTIPLE MEMORY LAYERS AND MULTILEVEL MEMORY STATES - A method is described for operating a bistable resistance random access memory having two memory layer stacks that are aligned in series is disclosed. The bistable resistance random access memory comprises two memory layer stacks per memory cell, the bistable resistance random access memory operates in four logic states, a logic “00” state, a logic “01” state, a logic “10” state and a logic “11” state. The relationship between the four different logic states can be represented mathematically by the two variables n and f and a resistance R. The logic “0” state is represented by a mathematical expression (1+f) R. The logic “1” state is represented by a mathematical expression (n+f) R. The logic “2” state is represented by a mathematical expression (1+nf) R. The logic “3” state is represented by a mathematical expression n(1+f) R. | 2008-11-20 |
20080285331 | SCALABLE NONVOLATILE MEMORY - Various magnetoresistive memory cells and architectures are described which enable nonvolatile memories having high information density. | 2008-11-20 |
20080285332 | Bit-Alterable, Non-Volatile Memory Management - Methods and apparatuses for storage of data in bit-alterable, non-volatile memories. In some embodiments, an array of memory locations implemented as bit-alterable, non-volatile memory configured as a plurality of blocks of memory locations; and control circuitry coupled with the array of memory locations to cause a block of data to be stored in the array of memory spanning a boundary between a first block of memory locations and a second block of memory locations. One or more processors access system data during initialization of an electronic system by retrieving data from a pre-selected location in a bit-alterable, non-volatile memory without scanning multiple memory locations to locate the system data. | 2008-11-20 |
20080285333 | Electric Device Comprising Phase Change Material - The electric device ( | 2008-11-20 |
20080285334 | LOCAL BANK WRITE BUFFERS FOR ACCELERATING A PHASE-CHANGE MEMORY - Phase-change memory (PCM) cells store data using alloy resistors in high-resistance amorphous and low-resistance crystalline states. The time of the memory cell's set-current pulse can be 100 ns, much longer than read or reset times. The write time thus depends on the write data. The very long write-1 time may require wait states. To eliminate wait states for sequential accesses, the PCM cells are divided into 16 banks. Each bank has its own bank write latch that stores data locally at the bank while the bank is being written. Data lines to the banks are freed up to transfer data to other banks once the data is written into the local bank write latch, allowing the long set-current pulse to be applied locally to slowly grow crystals in the alloy resistors. External host data are buffered and applied to the data lines by an array data mux. | 2008-11-20 |
20080285335 | PROGRAMMABLE FUSE/NON-VOLATILE MEMORY STRUCTURES USING EXTERNALLY HEATED PHASE CHANGE MATERIAL - A programmable phase change material (PCM) structure includes a heater element formed at a transistor gate level of a semiconductor device, the heater element further including a pair of electrodes connected by a thin wire structure with respect to the electrodes, the heater element configured to receive programming current passed therethrough, a layer of phase change material disposed on top of a portion of the thin wire structure, and sensing circuitry configured to sense the resistance of the phase change material. | 2008-11-20 |
20080285336 | SEMICONDUCTOR DEVICE - To improve the reliability of the phase change element, unwanted current should not be flown into the element. Therefore, an object of the present invention is to provide a memory cell that stores information depending on a change in its state caused by applied heat, as well as an input/output circuit, and to turn off the word line until the power supply circuit is activated. According to the present invention, unwanted current flow to the element can be prevented and thereby data destruction can be prevented. | 2008-11-20 |
20080285337 | RECORDABLE ELECTRICAL MEMORY - A memory device includes memory cells each having a recordable layer between two metal layers, each memory cell being constructed and designed to change from a first state to a second state upon application of an initialization signal, and change from the second state to a third state upon application of a write signal. For a voltage within a specified range that is applied across the two metal layers, the memory cell has a lower resistance in the first state than in the second state, and has a higher resistance in the second state than in the third state. | 2008-11-20 |
20080285338 | DETERMINING HISTORY STATE OF DATA IN DATA RETAINING DEVICE BASED ON STATE OF PARTIALLY DEPLETED SILICON-ON-INSULATOR - A system, method and program product for determining a history state of data in a data retaining device are disclosed. A state of a partially-depleted silicon-on-insulator (PD SOI) device coupled to a data retaining device is measured to indicate a body voltage of the PD SOI device. The body voltage of the PD SOI device may indicate, among others, how long the PD SOI device has been idling, which indirectly indicates how long data in the data retaining device has not been accessed. As such, the current invention may be used efficiently with, e.g., a cache replacement algorithm in a management of the data retaining device. | 2008-11-20 |
20080285339 | VOLTAGE REFERENCE GENERATOR USING BIG FLASH CELL - A voltage reference generator includes multiple closed loop voltage references. Each of the closed loop voltage references uses a flash cell with a variable threshold voltage and a feedback loop to trim a reference voltage. The voltage reference generator includes sample and hold capacitors in output stages to allow reference voltages to be refreshed during a standby mode of operation. | 2008-11-20 |
20080285340 | Apparatus for reading data and method using the same - Disclosed are an apparatus and a method for reading data. The method for reading data according to example embodiments includes comparing a threshold voltage of a memory cell with a first boundary voltage, comparing the threshold voltage with a second boundary voltage having a higher voltage level than that of the first boundary voltage, and determining data of the memory cell based on the threshold voltage, the first boundary voltage, and the second boundary voltage. | 2008-11-20 |
20080285341 | READING NON-VOLATILE MULTILEVEL MEMORY CELLS - Embodiments of the present disclosure provide methods, devices, modules, and systems for reading non-volatile multilevel memory cells. One method includes receiving a request to read data stored in a first cell of a first word line, performing a read operation on an adjacent cell of a second word line in response to the request, determining whether the first cell is in a disturbed condition based on the read operation. The method includes reading data stored in the first cell in response to the read request by applying a read reference voltage to the first word line and adjusting a sensing parameter if the first cell is in the disturbed condition. | 2008-11-20 |
20080285342 | Method of Programming a Nonvolatile Memory Cell and Related Memory Array - A programming method for programming stored bits in floating gates of a flash memory cell or selected flash memory cells of a flash memory array is utilized for applying SSI injection on said flash memory cell or said selected flash memory cells of a flash memory array is disclosed. Constant charges at the drain regions of said flash memory cell or said selected flash memory cells of the flash memory array is implemented with a capacitor and a related switch for suppressing variant injected-charges-related properties in applying the SSI injection. A constant biasing current, which may be implemented with a constant current source or a current mirror equipped with a constant current source, is applied on source regions of said flash memory cell or said selected flash memory cells of the flash memory array for enhancing the suppression of said variant biasing properties. | 2008-11-20 |
20080285343 | Memory cell programming method and semiconductor device for simultaneously programming a plurality of memory block groups - Provided are a memory cell programming method and a semiconductor device which may be capable of simultaneously writing a bit of data and then another bit of the data to a plurality of memory blocks. The memory programming method, in which M bits of data are written to a plurality of memory blocks, may include a data division operation and a data writing operation where M may be a natural number. In the data division operation, the plurality of memory blocks may be divided into a plurality of memory block groups. In the data writing operation, an i | 2008-11-20 |