29th week of 2014 patent applcation highlights part 24 |
Patent application number | Title | Published |
20140198489 | ILLUMINATION SYSTEM - An illumination system for indirectly or directly illuminating an outer edge arrangement of a structure covered in tiles, such as for example a step of a staircase, includes at least one elongate profile that forms a base arm, a decorative arm projecting from a free end of the base arm and the outer surface of which forms a visible decorative surface in the correctly arranged state, and a fastening arm projecting from the other free end of the base arm, arranged opposite the decorative arm, at least one illuminant that is fastened or can be fastened within the receiving space defined by the base arm, the decorative arm and the fastening arm, and at least one elongate diffusion disc cover that can be fixed to the profile. | 2014-07-17 |
20140198490 | LIGHTED DISPLAY WALL - A display wall includes a wall with at least one T-slot extending horizontally along a length of the wall. At least one display shelf is removably coupled with the wall through a respective T-slot and includes at least one support bracket for supporting the shelf when coupled with the wall. The at least one support bracket includes at least two electrical contacts electrically connected with at least one light positioned on the at least one display shelf. At least two electrical conductors are positioned within the respective T-slot and extend along a length thereof. The at least two electrical conductors electrically interconnect the electrical contacts with an electrical power source when the respective display shelf is coupled with the wall. | 2014-07-17 |
20140198491 | ILLUMINATION SYSTEM - An illumination system, in particular for illuminating tiled wall protrusions, includes at least one elongate, substantially U-shaped profile that has a base arm and two side arms projecting from the latter and arranged lying opposite one another, the first side arm being made longer than the second arm, at least one illuminant that is fastened or can be fastened within the receiving space defined by the base arm and the two side arms of the profile, and at least one elongate diffusion disc cover fastened or that can be fastened to the profile. | 2014-07-17 |
20140198492 | Waterproof-breathable Structure for Flashlight - A waterproof-breathable structure for a flashlight includes a housing and a ventilative plug. The housing is penetrated by a hole with one or more chamfered segments, and the ventilative plug has an outer diameter greater than the hole to be closely fit therein. The ventilative plug has a capping portion, an abutting flange extending from an outer part thereof, and a rim extending from an inner part thereof. Thereby, inner pressure generated in the flashlight due to battery oxidation over time is allowed to escape through an interval formed between an inward retracted periphery of the ventilative plug and the chamfered segments formed at the inner periphery of the housing hole, while the ventilative plug closely fit in the hole of the housing of the flashlight serves to effectively prevent external moisture from incursion. | 2014-07-17 |
20140198493 | INTERCHANGEABLE REFLECTORS FOR LIGHT DEVICES - A reflector device for a light source device having a light emitter, wherein the reflector device includes first and second reflectors. The first reflector has a first reflector surface adapted to produce a first light beam and the second reflector has a second reflector surface different from the first reflector surface and which is adapted to produce a second light beam different than the first light beam. The second reflector is adapted to be removably coupled to the first reflector such that both reflectors are coupled to the light source device at the same time. This allows a user to change a beam pattern of the light source between a first, default, beam pattern and a second beam pattern by interchanging the second reflector on the light source. | 2014-07-17 |
20140198494 | Lighting Unit and Light Bar having the Same - A lighting unit is provided and includes a cup body, a substrate, a first conductive wire connector and a second conductive wire connector. The cup body has a light emitting surface, a first end portion, and a second end portion. The substrate is located in the concave accommodating cavity of the cup body. A lighting element is located on the substrate, and has a light emitting direction toward the light emitting surface. The first and second conductive wire connectors are respectively located at two sides of the substrate in the accommodating cavity. A portion of the first conductive wire connector protrudes from the surface of the first end portion to form a first male connection terminal. The second conductive wire connector is recessed in the surface of the second end portion to form a first female connection terminal. | 2014-07-17 |
20140198495 | LED Bulb Laterally Installed and Projecting Light Beams onto Ground - An LED bulb laterally installed and projecting light beams onto the ground includes a bulb holder assembly, a lamp carrier assembly, a luminosity module, a lampshade, a collar, and a clasper. The bulb holder assembly includes a bulb holder base and a bulb holder. The lamp carrier assembly includes a tubular column and a shell body formed on an end of the tubular column. The luminosity module is installed in the shell body and includes at least an LED. The collar is securely connected to the bulb holder base and mounted around the tubular column for development of an accommodating space between the collar and the tubular column. The clasper is closely engaged in the accommodating space and securely connected to the tubular column. The lamp carrier assembly is omni-directionally adjusted relative to the bulb holder base to make the LEDs' projecting plane face the ground surface. | 2014-07-17 |
20140198496 | ILLUMINATION APPARATUS - An illumination apparatus includes a transparent case, an opaque member, a ring-shaped light emitting device, and a ring-shaped transparent cover. The transparent case has a central region. The opaque member is disposed on the central region. The ring-shaped light emitting device is disposed in the transparent case corresponding to the central region. The ring-shaped transparent cover is disposed on the ring-shaped light emitting device and has a first arc-shaped ring portion relatively close to the opaque member and a second arc-shaped ring portion relatively away from the opaque member. A refraction microstructure region is formed on an inner surface of the first arc-shaped ring portion for refracting light emitted by the ring-shaped light emitting device. | 2014-07-17 |
20140198497 | LED LAMP WITH LIGHT-DIFFUSING END CAP - An LED lamp includes a plurality of LED modules arranged in direction x, a tubular enclosure for housing the LED modules that is open at ends spaced from each other in direction x, and end caps respectively closing the ends of the tubular enclosure in direction x. Each of the end caps is configured to diffuse light from the LED modules while transmitting the light, and includes an emission surface for emitting light in a direction z perpendicular to direction x. This arrangement ensures that the LED lamp has a good appearance even when it is made long. | 2014-07-17 |
20140198498 | Runway Sign Having a Replaceable Single LED Lamp - A two-sided airfield runway sign with direct illumination by a single LED lamp. Light is produced by a linear array of white-light LEDs. A cylindrical lens is mounted longitudinally adjacent to the LEDs, and collects a central portion of the light emitted from the LEDs. A pair of inclined surfaces extend from the lateral edges of the LEDs to respective lateral edges of the cylindrical lens. The inclined surfaces have a rough surface texture and reflect light diffusely. The inclined surfaces collect a peripheral portion of the light emitted from the LEDs, and direct the reflected light toward the cylindrical lens. The LEDs, cylindrical lens and inclined surfaces are all mechanically supported by a heat sink. The replacement lamp is placed into a runway sign near its top or bottom edge, and illuminates both viewing surfaces of the runway sign simultaneously without a diffuser. | 2014-07-17 |
20140198499 | LED Lighting Apparatus with Flexible Light Modules - The present disclosure involves a street light. The street light includes a base, a lamp post coupled to the base, and a lamp head coupled to the lamp post. The lamp head includes a housing and a plurality of LED light modules disposed within the housing. The LED light modules are separate and independent from each other. Each LED light module includes an array of LED that serve as light sources for the lamp. Each LED light module also includes a heat sink that is thermally coupled to the LED. The heat sink is operable to dissipate heat generated by the LED during operation. Each LED light module also includes a thermally conductive cover having a plurality of openings. Each LED is aligned with and disposed within a respective one of the openings. | 2014-07-17 |
20140198500 | Replaceable Single LED Lamp for Runway Sign - A replacement lamp for an airport runway sign. Light is produced by a linear array of white-light LEDs. A cylindrical lens is mounted longitudinally adjacent to the LEDs, and collects a central portion of the light emitted from the LEDs. A pair of inclined surfaces extend from the lateral edges of the LEDs to respective lateral edges of the cylindrical lens. The inclined surfaces have a rough surface texture and reflect light diffusely. The inclined surfaces collect a peripheral portion of the light emitted from the LEDs, and direct the reflected light toward the cylindrical lens. The LEDs, cylindrical lens and inclined surfaces are all mechanically supported by a heat sink. The replacement lamp is placed into a runway sign near its top or bottom edge, and illuminates both viewing surfaces of the runway sign simultaneously without a diffuser. | 2014-07-17 |
20140198501 | LIGHTING BASE OF THE LED LAMP AND ITS STAMPING MOLD - The present invention provides the LED Lamp a new lighting base and its stamped molds to prevent the LED Lamp from electric leakage problems caused by the circuit board's loosening and damage from long continued use. | 2014-07-17 |
20140198502 | HIGH-POWER LED LAMP - A high-power LED lamp set is provided in the present invention. The high-power LED lamp set comprises: a power converting module; a power supply casing ( | 2014-07-17 |
20140198503 | LIGHTING DEVICES COMPRISING SOLID STATE LIGHT EMITTERS - A lighting device comprising a trim element, an electrical connector and at least one solid state light emitter, the lighting device weighing less than one kilogram. If current of about 12 watts (or in some cases about 15 watts, or in some cases not more than about 15 watts) is supplied to the electrical connector, the at least one solid state light emitter will illuminate so that the lighting device will emit white light of at least 500 lumens. Also, a lighting device that weighs less than one kilogram and can generate white light of at least 500 lumens using a current of not more than about 15 watts. Also, a lighting device for mounting in a recessed housing, comprising a unitary structure trim element that conducts heat away from at least one solid state light emitter and dissipates at least some of the heat outside of the recessed housing. | 2014-07-17 |
20140198504 | Lighting system, space with a lighting system, and method of providing an illumination profile using such a lighting system - The invention provides a lighting system ( | 2014-07-17 |
20140198505 | LED Flexible Hanging Display Screen - An LED flexible hanging display screen comprises several discrete LED modules ( | 2014-07-17 |
20140198506 | LIGHTING DEVICE - A lighting device includes a light base, a light shade, a padding element, at least one light emitting element and a wavelength converting shell. The light shade is disposed on the light base and cooperating with the light base to define an accommodating space. The padding element is disposed on the light base and located in the accommodating space. The light emitting element is disposed on the padding element and emits a light beam. The wavelength converting shell is disposed on the padding element and covers the light emitting element. The light beam is emitted out from the wavelength converting shall by a first refraction, formed a luminous virtual image between a first top end of the light shade and a second top end of the wavelength converting shell by reflecting, and emitted out the light shade by a second refraction. | 2014-07-17 |
20140198507 | COMPACT LIGHT-MIXING LED LIGHT ENGINE AND WHITE LED LAMP WITH NARROW BEAM AND HIGH CRI USING SAME - A directional lamp comprises a light source, a beam forming optical system configured to form light from the light source into a light beam, and a light mixing diffuser arranged to diffuse the light beam. The light source, beam forming optical system, and light mixing diffuser are secured together as a unitary lamp. The beam forming optical system includes: a collecting reflector having an entrance aperture receiving light from the light source and an exit aperture that is larger than the entrance aperture, and a lens disposed at the exit aperture of the collecting reflector, the light source being positioned along an optical axis of the beam forming optical system at a distance from the lens that is within plus or minus ten percent of a focal length of the lens. | 2014-07-17 |
20140198508 | WIDE-ANGLE ILLUMINATION DEVICE - Disclosed is a wide-angle illumination device including a base, a conical structure, a fixing structure, at least one light emitting diode and a lampshade, and the fixing structure is provided for fixing the conical structure onto the base, and the conical structure has at least three triangular sides and a top, and the light emitting diodes are disposed on the top and each side respectively. The top and each side are aligned towards different directions to form projection surfaces of different angles and expand the illumination range of the light emitting diodes, so as to achieve a wide-angle illumination effect while enhancing the luminance and the light uniformity. | 2014-07-17 |
20140198509 | SEMICONDUCTOR LASER POSITIONING MEMBER AND OPTICAL UNIT - A semiconductor laser positioning member includes: a base section having a through hole into which a semiconductor laser is to be inserted, the semiconductor laser being configured to be disposed in a terminal insertion hole and having a pair of engagement recesses, the terminal insertion hole being formed in a holder; and a pair of plate spring sections projecting from an opening edge of the through hole, the plate spring sections being opposed to each other. The plate spring sections are each formed in a symmetrical shape in a circumferential direction of the through hole, the base section is overlapped with the holder when the semiconductor laser is inserted into the through hole, and the plate spring sections are engaged with the respective engagement recesses, and are each elastically deformable in an optical axis direction of the semiconductor laser when the semiconductor laser is inserted into the through hole. | 2014-07-17 |
20140198510 | Methods And Systems For Truck Bed LED Light Strip With LED Flashlights - A modular in-bed lighting system with detachable flashlights for use with trucks having an open bed or one covered by a shell. The support member mounted on the side walls of the truck and across the front wall of the bed such that the lights are below the top surface of the side walls. In this way the lights are positioned to illuminate the open or covered bed while not shining above the top of the sidewalls or closed tail gate. | 2014-07-17 |
20140198511 | FIXING SYSTEM FOR LIGHTING FIXTURE PARTS, ESPECIALLY AUTOMOBILE LIGHTS - A fixing system for lighting fixture parts, especially the lights of an automobile, includes a thermoplastic outer lens ( | 2014-07-17 |
20140198512 | LIGHTING MODULE AND METHOD FOR ASSEMBLING SUCH A MODULE - A lighting module comprising an elliptical collector for reflecting in the direction of an optical element a beam originating from a light source. The module comprises a screen assembled along the path of the light beam so as to form a cutoff edge. In accordance with the invention, the light source, the elliptical collector and the screen are assembled on an active surface of a support, which additionally comprises a referencing wall. Means for pressing the screen against said active surface and for pushing the front face of the screen, which comprises the cutoff edge, against said referencing wall are provided. | 2014-07-17 |
20140198513 | LIGHT MODULE FOR A MOTOR VEHICLE HEADLAMP, CONFIGURED TO GENERATE A STRIPE-SHAPED LIGHT DISTRIBUTION - A light module for a motor vehicle headlamp having an optical fiber configuration with at least one first optical fiber branch and one second optical fiber branch. Each of the two branches has a light exit surface each bordered by two narrow sides and disposed such that a narrow side of the first branch is disposed parallel and directly adjacent to a narrow side of the light exit surface of the second branch. Each branch exhibits two transport surfaces. The transport surfaces exhibit surface norms having a directional component, which faces more toward a first narrow side of the two narrow sides of the branch than toward a second narrow side of the two narrow sides of the branch, wherein the narrow sides lying directly adjacent and parallel to one another are a second narrow side of the first branch and a first narrow side of the second branch. | 2014-07-17 |
20140198514 | SPOTLIGHT FOR A MOTOR VEHICLE - The invention relates to a spotlight ( | 2014-07-17 |
20140198515 | VEHICLE EXTERIOR MIRROR AND LIGHT ASSEMBLIES - A vehicle mirror assembly is provided with a housing adapted to be mounted to a vehicle exterior. A mirror is mounted in the housing. A plurality of light assemblies is oriented upon the housing for collectively illuminating a thoroughfare adjacent to the vehicle exterior. A vehicle is also provided with a vehicle body with an exterior. The vehicle mirror assembly is mounted to the vehicle exterior. | 2014-07-17 |
20140198516 | ACTUATOR AND VEHICLE HEADLAMP - A coupling member has a first driven portion and an output shaft to be coupled to a lamp unit, and is rotatable in the horizontal direction about the shaft center of the output shaft. A driven member has a second driven portion and a follower portion, and is rotatable relative to the coupling member. An acting portion is engaged with the follower portion. A first driving unit is engaged with the first driven portion to rotate the coupling member relative to the driven member. A second driving unit is engaged with the second driven portion to rotate the driven member relative to the coupling member. When the second driving unit rotates the driven member, the acting portion engaged with the follower portion causes the rotation center to move, and the coupling member is moved together with the driven member. | 2014-07-17 |
20140198517 | VEHICULAR HEADLAMP - Disclosed is a vehicular headlamp including: a basic lamp unit configured to form a main light distribution pattern that is controlled in light distribution so as to satisfy illuminance requirements at a plurality of predetermined sites in a low beam light distribution pattern which is projected on a vertical virtual screen positioned in front of a vehicle; and a plurality of additional lamp units controlled in light distribution so as to irradiate light to any one of left and right diffusion regions adjacent to the main light distribution pattern. The low beam light distribution pattern is formed on the vertical virtual screen by combining the basic lamp unit and the plurality of additional lamp units. | 2014-07-17 |
20140198518 | HEADLAMP TO BUMPER ATTACHMENT STRUCTURE - A system, apparatus and method for attaching a bumper cover to a headlamp housing. The system includes a plurality of holes defined in an upper portion of the bumper cover and a plurality of protrusions extending from a lower portion of the headlamp housing for engaging the plurality of holes in the upper portion of the bumper cover. The system further includes a plurality of ribs extending from the lower portion of the headlamp housing for locating the upper portion of the bumper cover proximate to the lower portion of the headlamp housing. In this system, each rib of the plurality of ribs is located proximate to at least one protrusion of the plurality of protrusions. | 2014-07-17 |
20140198519 | LIGHT PROJECTOR AND SENSOR - A light projector has a light emitting device having a light emitting surface, an optical fiber having an incident end-face to which light emitted from the light emitting surface enters, and a lens arranged between the light emitting surface of the light emitting device and the incident end-face of the optical fiber. The light emitting device, the optical fiber and the lens are arranged on one optical axis. The optical fiber includes a core region as a region including a single core of uniform refractive index or a region collectively encompassing a plurality of cores having uniform refractive index. The lens converts diffused light emitted from the light emitting surface to diffused light that widens more moderately. | 2014-07-17 |
20140198520 | LIGHT DIFFUSING OPTICAL FIBER BUNDLES, ILLUMINATION SYSTEMS INCLUDING LIGHT DIFFUSING OPTICAL FIBER BUNDLES, AND METHODS OF AFFIXING LIGHT DIFFUSING OPTICAL FIBER BUNDLES TO POLYMER OPTICAL FIBERS - Light diffusing optical fiber bundles, illumination systems including light diffusing optical fiber bundles, and methods of affixing light diffusing optical fiber bundles to polymer optical fibers are disclosed. A light diffusing optical fiber bundle includes an optically transmissive jacket and a plurality of light diffusing optical fibers disposed within the optically transmissive jacket. Each of the plurality of light diffusing optical fibers includes a glass core including a plurality of nano-sized voids. The plurality of light diffusing optical fibers extend along a length of the optically transmissive jacket such that the plurality of diffusing optical fibers are not interwoven. | 2014-07-17 |
20140198521 | DISPLAY APPARATUS - A display apparatus includes a display panel which receives light to display an image, a backlight module and a receiving container receiving the display panel, the backlight module. The backlight module includes a combining bar, a light source, a light guiding plate. The combining bar includes an upper plate supporting the display panel, a lower plate, and an extending plate connecting the upper plate to the lower plate. The light source disposed in a space formed by the upper plate, the lower plate and the extending plate. The light guiding plate between the upper plate and the lower plate. | 2014-07-17 |
20140198522 | Side-Edge Backlight Module - The present invention provides a side-edge backlight module, which includes a backplane, a backlight source arranged inside the backplane, and a light guide plate arranged inside the backplane. The backplane and the backlight source receive an aluminum-extruded heat sink arranged therebetween. The aluminum-extruded heat sink includes a first mounting section and a second mounting section perpendicularly connected to the first mounting section. The backlight source is mounted on the first mounting section. The first mounting section forms a slope surface at a location close to the second mounting section. The slope surface is arranged to extend from connection of the first and second mounting sections toward the backlight source. The side-edge backlight module forms a slope surface at a lower end of the first mounting section of the aluminum-extruded heat sink to eliminate potential interference issue of assembling occurring in the known techniques. | 2014-07-17 |
20140198523 | LIGHT DIFFUSION PLATE AND BACKLIGHT MODULE USING SAME - A light diffusion plate includes a light-emitting region and an atomization reinforcing region connected to the light-emitting region. Light passing through the atomization reinforcing region is more greatly diffused than light passing through the light-emitting region. | 2014-07-17 |
20140198524 | LIGHT GUIDE PLATE WITH V-SHAPED MICRO-STRUCTURES ON LIGHT OUTPUT SURFACE - A light guide plate includes a bottom surface and a light output surface opposite to the bottom surface. A number of scattering domes are positioned on the bottom surface. A number of V-shaped micro-structures are positioned on the light output surface. | 2014-07-17 |
20140198525 | INTERACTIVE IMAGE SYSTEM AND IMAGE DISPLAY DEVICE - An interactive image system includes an image display device and a control device. The image display device includes a housing, a display unit, a light emitting component and at least one light guide element. The housing has a surface having a light output portion. The display unit is disposed in the housing and has a display surface exposed from the surface of the housing. The display surface faces the same direction as the surface. The light emitting component is disposed in the housing for emitting a light signal. The light guide element is disposed in the housing and located in a transmission path of the light signal. The light guide element is used for receiving the light signal and transmitting light signal to the light output portion. The control device has a light sensing element which faces to the image display device and configured to capture an image. | 2014-07-17 |
20140198526 | LIGHT GUIDE PLATE AND LIGHTING LAMP - A light guide plate (LGP) and a lighting lamp including the LGP. The LGP has no frame and is easy to be spliced together. The LGP includes at least one sub-LGP. The sub-LGP includes at least one light source portion that is opposite to the light source, and at least one light shield installation slot that is sunken inwards and arranged beside the light source portion. | 2014-07-17 |
20140198527 | VISUAL MEDIA SOFT LIGHT SYSTEM - Improved soft lighting systems for the arts, media, and entertainment industry are disclosed. In certain aspects, the systems employ one or more edge-lit LED light guide panels using high flux, optical grade, and/or binned LEDs to produce higher quality, uniform, diffused soft visual media light. In further preferred aspects the systems are modular and portable, and have light guide panels that may be axially tilted in horizontal and vertical directions to independently direct the soft light emanating from each of the panels to achieve the desired soft lighting set up. | 2014-07-17 |
20140198528 | WAVELENGTH CONVERSION CHIP FOR A LIGHT EMITTING DIODE, AND METHOD FOR MANUFACTURING SAME - There is provided a method of manufacturing a wavelength converted LED chip, including attaching a plurality of LED chips to a chip alignment region of an upper surface of a temporary support plate, forming a conductive bump on the electrode of the respective LED chips, forming a phosphor-containing resin encapsulation part in the chip alignment region to cover the conductive bump, polishing the phosphor containing resin encapsulation part, forming the wavelength converted LED chips by cutting the provided phosphor containing resin encapsulation part between the LED chips, the wavelength converted LED chip including a wavelength conversion layer obtained from the phosphor containing resin encapsulation part and formed on lateral surfaces and an upper surface of the wavelength converted LED chip, and removing the temporary support plate from the wavelength converted LED chip. | 2014-07-17 |
20140198529 | REFLECTING COMPONENT AND BACKLIGHT COMPRISING THE SAME - Embodiments of the present invention disclose a reflecting component and a backlight comprising the same. The reflecting component comprises a reflective layer and a first protective layer provided on the reflective layer, wherein the surface of the first protective layer away from the reflective layer is formed to have one or more recessed structures. | 2014-07-17 |
20140198530 | CIRCUIT BOARD AND FLAT PANEL DISPLAY INCLUDING THE SAME - Provided are a circuit board for irradiating light to a light guide plate and a flat panel display having a structure for efficiently fixing the circuit board and the light guide plate, the circuit board, including: a support substrate comprising a first area and a second area, the second area being bent from the first area; a plurality of light emitting device mounting parts disposed in the first area; and a protective member connecting part of an outer side of the plurality of light emitting device mounting parts. | 2014-07-17 |
20140198531 | LIGHT GUIDE PLATE - The light guide plate includes two layers having different particle concentrations, in which the thicknesses of the two layers are varied to change the combined particle concentration of the light guide plate, and conditional expressions of 0.3 mm≦T | 2014-07-17 |
20140198532 | LIGHT EMITTING APPARATUS - A lighting apparatus comprising a plurality of diodes and an electrical interface configured to receive an electrical signal and transmit the electrical signal to the plurality of diodes is provided. | 2014-07-17 |
20140198533 | Bidirectional Power Conversion with Fault-Handling Capability - A power conversion system includes a unipolar bidirectional power converter with DC terminals and a first controller, and a bipolar bidirectional power converter with DC terminals connected in series with the DC terminals of the unipolar bidirectional power converter and a second controller. The first controller is operable to cause only a positive-valued DC voltage across the DC terminals. The second controller is operable to cause a positive-valued or negative-valued DC voltage across the DC terminals of the bipolar bidirectional power converter so that a total voltage of the power conversion system is the sum of the positive-valued or negative-valued DC voltage across the DC terminals of the bipolar bidirectional power converter and the positive-valued DC voltage across the DC terminals of the unipolar bidirectional power converter. | 2014-07-17 |
20140198534 | CONVERTER - The present invention relates to a converter for transferring power between a first DC system of DC voltage V | 2014-07-17 |
20140198535 | METHOD AND APPARATUS FOR CONTROLLING PROGRAMMABLE POWER CONVERTER WITH LOW STANDBY POWER LOSS - Method and apparatus for controlling a programmable power converter are provided. The method and apparatus generate a first power source and a second power source. The voltage level of the second power source is lower than the voltage level of the first power source. The first power source and the second power source provide a power supply for a control circuit. The control circuit will use the first power source as its power supply when the first power source is low. The control circuit will use the second power source as its power supply for saving the power when the first power source is high. | 2014-07-17 |
20140198536 | Resonant Converters and Methods - A multilevel LLC resonant converter comprises a resonant tank connected in series with a primary side of a transformer, a first switch and a second switch connected in series, wherein a common node of the first switch and the second switch is coupled to a mid-voltage point through a first isolation switch and the resonant bank and a third switch and a fourth switch connected in series, wherein a common node of the third switch and the fourth switch is coupled to the resonant tank. | 2014-07-17 |
20140198537 | POWER CONVERSION APPARATUS - A power conversion apparatus includes a switch circuit which activates switching elements on the basis of a control signal, a feedback means which performs feedback control, a signal output means which outputs the control signal on the basis of a control variable of the feedback control, and a mode switching means which controls switching operation of the switch circuit by switching an operation mode between a normal mode and an intermittent mode in which the number of operations is less than that in the normal mode. The mode switching means changes timing of switching from the normal mode to the intermittent mode, on the basis of either or both of a first detection value which is an input value inputted to the switch circuit and a second detection value which is an output value outputted from the switch circuit. | 2014-07-17 |
20140198538 | POWER CONVERTER WITH CURRENT FEEDBACK LOOP - In a power converter, a driver drives a switching element using a manipulated variable therefor to convert input power into output power. A first measuring unit measures a value of a first electric parameter depending on the input power. A first determiner determines, from the measured value of the first electric parameter, a first feedback controlled variable. A second measuring unit measures a value of a second electric parameter indicative of the output power, and a calculator calculates, based on the measured value of the second electric parameter and a command value for the second electric parameter, a second feedback controlled variable. A selector selects, based on the measured value of the first electric parameter, one of the first feedback controlled variable and the second feedback controlled variable. A second determiner determines the manipulated variable using the selected one of the first and second feedback controlled variables. | 2014-07-17 |
20140198539 | SYSTEMS AND METHODS FOR ZERO VOLTAGE SWITCHING IN POWER CONVERSION SYSTEMS - System and method for regulating a power converter. A system for regulating a power converter includes a controller, a first switch, and a second switch. The controller is configured to generate a first switching signal and a second switching signal. The first switch is configured to receive the first switching signal, the first switch being coupled to an auxiliary winding of the power converter further including a primary winding and a secondary winding. The second switch is configured to receive the second switching signal and coupled to the primary winding of the power converter. The controller is further configured to, change, at a first time, the second switching signal to open the second switch, maintain, from the first time to a second time, the first switching signal to keep the first switch open, and change, at the second time, the first switching signal to close the first switch. | 2014-07-17 |
20140198540 | INTEGRATED SWITCH MODE POWER SUPPLY CONTROLLER AND SWITCH MODE POWER SUPPLY USING THE SAME - In one embodiment, an integrated switch mode power supply controller can include: a multiplexing pin that receives a detection voltage signal; a switch mode power supply that receives a DC input voltage, and operates in a switching cycle having first, second, and third time intervals; during the first time interval, the detection voltage signal is proportional to the DC input voltage, and a current compensation signal is generated according to the detection voltage signal to obtain a peak inductor current; during the second time interval, the detection voltage signal is proportional to an output voltage of the switch mode power supply, and a discharging duration of current through the inductor is determined based on the detection voltage signal; and during the third time interval, the detection voltage signal is proportional to a voltage across a power transistor of the switch mode power supply. | 2014-07-17 |
20140198541 | POWER SUPPLY AND IMAGE FORMING APPARATUS - The power supply includes a transformer, a first switching element for performing a switching operation of turning on and off a voltage input to a primary side of the transformer, a second switching element to be connected to a secondary side of the transformer so as to be turned on and off in accordance with a voltage generated in the secondary side of the transformer, and a control unit for controlling an operation of the first switching element so that an output voltage of the secondary side of the transformer becomes a predetermined voltage. A conductive state period of the second switching element is adjusted to be longer as a frequency of the switching operation of the first switching element is higher. | 2014-07-17 |
20140198542 | SINGLE-PHASE ACTIVE FRONT END RECTIFIER SYSTEM FOR USE WITH THREE-PHASE VARIABLE FREQUENCY DRIVES - A voltage source inverter comprises a rectifier having an input for receiving single-phase AC power from an AC source and converting the AC power to DC power on a DC bus. The DC bus has first and second rails to provide a relatively fixed DC voltage. A DC bus capacitor is across the first and second rails to smooth voltage ripple. An inverter receives DC power from the DC bus and converts the DC power to AC power. An active front end circuit comprises a pair of filter capacitors in series across the first and second rails to create a midpoint. A bidirectional switch is connected between the rectifier input and the midpoint. The bidirectional switch is controlled to inject current into the midpoint of the DC bus. | 2014-07-17 |
20140198543 | POWER SUPPLY WITH DC BREAKER SWITCH AND REDUCED REGULATED DC LINK VOLTAGE - Generally, this disclosure provides circuits and methods to reduce and regulate DC link voltage in a power supply through the use of a DC breaker circuit. The breaker circuit may include a breaker switch configured to couple an input stage circuit of a power supply to an output stage circuit of the power supply and to provide a regulated | 2014-07-17 |
20140198544 | CONTACTLESS POWER SUPPLY DEVICE - In order to obtain a contactless power supply device which, even when a spatial gap between a primary winding and a secondary winding varies, is capable of not only accurately detecting whether or not the primary winding and the secondary winding come into the position opposite to each other, but also detecting how large the spatial gap between the primary winding and the secondary winding is created, the contactless power supply device is provided with a drive voltage detection unit which detects the drive voltage of an inverter circuit, a drive current detection unit which detects the drive current of the inverter circuit, and a primary component extraction unit which, from the drive voltage and the drive current, extracts a primary drive voltage and a primary drive current including the first order frequency-components having the same frequency as a drive frequency of the inverter circuit. | 2014-07-17 |
20140198545 | POWER-CONVERSION ENGINE - The disclosure provides a power converter and method for controlling same, comprising a plurality of switch elements, an inductive reactor, and at least two ports for the movement of electrical energy. Any energy-moving port may be made unipolar, bidirectional, bipolar, or bidirectionally bipolar. Ports may be equipped with sensing circuitry to allow the converter output to be controlled responsively to an input signal. The disclosure may be configured to be used in many ways, for example, as a power-supply, as an amplifier, or as a frequency converter. The disclosure may comprise energy predictive calculating means to obtain excellent transient response to line and load variations. The disclosure may also include a switch to create a low impedance path around the inductor to allow current to recirculate through the inductor when it is not needed at any of the ports. | 2014-07-17 |
20140198546 | MASTER-SLAVE INTERLEAVED BCM PFC CONTROLLER AND CONTROL METHOD THEREOF - The present invention relates to a master-slave interleaved BCM PFC controller for controlling a PFC circuit with master and slave channels. In one embodiment, the PFC controller can include: a master channel controller that generates a master channel control signal and an inverted master channel control signal; a first phase shifter that provides a first phase shift for the master channel control signal, and generates a delayed opening signal therefrom; a second phase shifter that provides a second phase shift for the inverted master channel control signal, and generates a delayed shutdown signal therefrom; a slave channel controller that receives the delayed opening signal, the delayed shutdown signal, and a slave channel inductor current zero-crossing signal, and generates a slave channel control signal therefrom. | 2014-07-17 |
20140198547 | MULTILEVEL INVERTER - There is provided a multilevel inverter capable of easily perform balancing of voltages by way of controlling switching of voltage dividing based on an offset between voltages divided by capacitors of a voltage dividing circuit. The multilevel inverter includes: a voltage dividing unit including a plurality of capacitors for dividing an input direct current (DC) voltage; an inverter unit switching the divided DC voltages to output a predetermined alternating current (AC) voltage; and a control unit providing a control signal for controlling switching of the inverter unit based on an offset between the voltages divided by the plurality of capacitors. | 2014-07-17 |
20140198548 | SYSTEM AND METHOD FOR POWER CONVERSION - A converter includes a first converter module and a second converter module coupled to the first converter module in a nested manner. Each of the first converter module and the second converter module includes a plurality of switch units. When the converter is operated to perform power conversion, at least two of the plurality of switch units is configured to be switched both in a complementary pattern and a non-complementary pattern. | 2014-07-17 |
20140198549 | ENERGY DISSIPATING DEVICE FOR DC POWER SUPPLIES - An energy dissipating device configured to connect to a power supply and to dissipate excess energy from a direct current (DC) rail in response to a change in power supply settings or operating characteristics. The energy dissipating device is connected to the DC rail, which conducts current generated by an AC/DC converter to at least one DC/DC converter. When power demand to the DC/DC converter is reduced, the DC/DC converter generates a supplemental current surge on the DC rail. A rail current monitor monitors the current level on the DC rail and generates the DC rail power signal indicative of the supplemental current surge level generated by the at least one DC/DC converter. The supplemental surge current is used to control dissipative elements connected across the DC rail to modulate a current sink path across the DC rail to dissipate the excess energy from the DC rail. | 2014-07-17 |
20140198550 | FREQUENCY MULTIPLIER - An apparatus is provided. A differential pair of transistors is configured to receive a first differential signal having a first frequency, and a transformer, having a primary side and a secondary side is provided. The primary side of the transformer is coupled to the differential pair of transistors, and the secondary side of the transformer is configured to output a second differential signal having a second frequency, where the second frequency is greater than the first frequency. A first transistor is coupled to the first supply rail, the primary side of the transformer, and the differential pair of transistors, where the first transistor is of a first conduction type. A second transistor is coupled to the second supply rail, the primary side of the transformer, and the differential pair of transistors, where the second transistor is of a second conduction type. | 2014-07-17 |
20140198551 | Content Addressable Memory Device Having Electrically Floating Body Transistor - A content addressable memory cell includes a first floating body transistor and a second floating body transistor. The first floating body transistor and the second floating body transistor are electrically connected in series through a common node. The first floating body transistor and the second floating body transistor store complementary data. | 2014-07-17 |
20140198552 | THREE-DIMENSIONAL SEMICONDUCTOR DEVICES AND METHODS OF FABRICATING THE SAME - According to example embodiments of inventive concepts, a three-dimensional semiconductor device may include: a memory cell array including memory cells that may be arranged three-dimensionally, the memory cell array including a left side opposite a right side, and a top side opposite a bottom side in a plan view; at least one word line decoder adjacent to at least one of the left and right sides of the memory cell array; a page buffer adjacent to the bottom side of the memory cell array; and a string selection line decoder adjacent to one of the top and bottom sides of the memory cell array. | 2014-07-17 |
20140198553 | INTEGRATED CIRCUIT 3D PHASE CHANGE MEMORY ARRAY AND MANUFACTURING METHOD - A 3D phase change memory device can store multiple bits per cell represented by a plurality of non-overlapping ranges of resistance all of which are established by different resistance ranges corresponding to respective amorphous phase thickness of the phase change memory material. An array of access devices can underlie a plurality of conductive layers, separated from each other and from the array of access devices by insulating layers. An array of pillars extending through the plurality of conductive layers contact corresponding access devices. The phase memory material is between the pillars and conductive layers. Circuitry is configured to program data in the memory cells using programming pulses having shapes that depend on the resistance range of the cell before programming and the data values to be stored. | 2014-07-17 |
20140198554 | Semiconductor Device Having Features to Prevent Reverse Engineering - A ROM circuit includes a first N channel transistor having an output and having device geometry and device characteristics adapted to bias the output at a predetermined level when a P channel circuit is connected to the first N channel transistor; a pass transistor connected between the output and a data bus, the pass transistor connected to a word line, the word line adapted to turn ON the pass transistor when the word line is asserted; and the P channel circuit connected to the data bus and adapted to provide leakage current to charge a gate in the first N channel transistor when pass transistor is turned ON. | 2014-07-17 |
20140198555 | Methods and Apparatus for ROM Devices - Methods and apparatus for the encoding of an input sequence of digit data into a sequence of storage cells of a ROM device are disclosed. The input sequence is divided into a first kind of groups and a second kind of groups. A first kind of group comprises a plurality of consecutive first digits, two first kind of groups are separated by a second kind of group, the second kind of group comprises consecutive digits without any consecutive first digits, and the second kind of group has a starting digit which is the second digit. A starting storage cell is programmed to the active state to store the starting digit of the second kind of group. The rest digits of the second kind of group are programmed one digit at a time, based on a shared terminal which has been programmed for the proceeding storage cell. | 2014-07-17 |
20140198556 | NONVOLATILE MEMORY DEVICE USING VARIABLE RESISTIVE ELEMENT AND MEMORY SYSTEM HAVING THE SAME - A nonvolatile memory device, which has an improved read reliability through a refresh operation, and a memory system, are provided. The nonvolatile memory device includes a resistive memory cell, a reference resistor corresponding to the resistive memory cell, a reference sense amplifier electrically connected to the reference resistor and configured to change a transition time of an output value of the reference resistor, and a refresh request signal generator configured to output the refresh request signal for the resistive memory cell when the transition time of an output value of the reference resistor is in a preset refresh requiring period. | 2014-07-17 |
20140198557 | READ CIRCUIT AND NON-VOLATILE MEMORY USING THE READ CIRCUIT - A read circuit includes a current load circuit configured to supply a load current from a power source to a first input and a second input; a first discharge circuit configured to discharge potential of the first and second inputs to a ground level; an equalization circuit configured to equalize the potential of the first and second inputs; a differential circuit configured to receive the first and second inputs as differential inputs, and to output a first output and a second read output as differential outputs; and a second discharge circuit configured to discharge potential of the first and second read outputs to the ground level. | 2014-07-17 |
20140198558 | Non-Volatile Storage System Using Opposite Polarity Programming Signals For MIM Memory Cell - A reversible resistance-switching metal-insulator-metal (MIM) stack is provided which can be set to a low resistance state with a first polarity signal and reset to a higher resistance state with a second polarity signal. The first polarity signal is opposite in polarity than the second polarity signal. In one approach, the MIM stack includes a carbon-based reversible resistivity switching material such as a carbon nanotube material. The MIM stack can further include one or more additional reversible resistivity switching materials such as metal oxide above and/or below the carbon-based reversible resistivity switching material. In another approach, a metal oxide layer is between separate layers of carbon-based reversible resistivity switching material. | 2014-07-17 |
20140198559 | CIRCUIT AND METHOD FOR READING A RESISTIVE SWITCHING DEVICE IN AN ARRAY - A read circuit for sensing a resistance state of a resistive switching device in a crosspoint array utilizes a transimpedance equipotential preamplifier connected to a selected column line of the resistive switching device in the array. The equipotential preamplifier delivers a sense current while maintaining the selected column line at a reference voltage near a biasing voltage applied to unselected row lines of the array. A reference resistor is selectively connected to the equipotential preamplifier for setting a reference current, wherein the equipotential preamplifier is set to produce a preamplifier output voltage having a magnitude depending on whether the sense current is smaller or greater than the reference current. A voltage comparator is connected to the equipotential preamplifier to compare the preamplifier output voltage with a setup reference voltage and generate a comparator output voltage indicative of the resistance state of the resistive switching device. | 2014-07-17 |
20140198560 | MEMORY CELL AND MEMORY DEVICE HAVING THE SAME - A memory cell includes a metal oxide semiconductor (MOS) capacitor including a gate coupled to a storage node and an electrode coupled to a synchronization control line. The MOS capacitor adds a coupling voltage to the gate based on a change in voltage on the synchronization control line. The coupling voltage may maintain the storage node within a predetermined range. | 2014-07-17 |
20140198561 | MULTIPORT MEMORY WITH MATCHING ADDRESS AND DATA LINE CONTROL - In a multiple port SRAM, a first bit cell is coupled to first and second word lines and a first and second bit line pair. A first data line pair is coupled to the first bit line pair via first switching logic. A second data line pair is coupled to the first bit line pair via second switching logic and to the second bit line pair via third switching logic. If a row address match but not a column address match exists between a first and second access address, the second switching logic selectively connects the second data line pair with the first bit line pair based on a first decoded signal generated from the column address of the second access address and the third switching logic decouples the second data line pair from the second bit line pair. | 2014-07-17 |
20140198562 | TEN-TRANSISTOR DUAL-PORT SRAM WITH SHARED BIT-LINE ARCHITECTURE - A 10-transistor dual-port SRAM with shared bit-line architecture includes a first memory cell and a second memory cell. The first memory cell has a first storage unit, a first switch set, and a second switch set. The second memory cell has a second storage unit, a third switch set, and a fourth switch set. The second switch set is coupled to a complement first A-port bit line and a complement first B-port bit line, and connected to the first storage unit. The third switch set is connected to a complement second A-port bit line, a complement second B-port bit line, and the second storage unit. Thus, the second memory cell can make use of the third switch set to share the complement first A-port bit line and the complement first B-port bit line with the first memory cell. | 2014-07-17 |
20140198563 | MAGNETIC TUNNELING JUNCTION NON-VOLATILE REGISTER WITH FEEDBACK FOR ROBUST READ AND WRITE OPERATIONS - A magnetic tunneling junction non-volatile register with feedback for robust read and write operations. In an embodiment, two MTJ devices are configured to store a logical 0 or a logical 1, and are coupled to drive an output node to a voltage indicative of the stored logical 0 or a logical 1. The output of a D flip-flop is fed to the two MTJ devices so that the state of the D flip-flop may be stored in the two MTJ devices during a store operation. During a read operation, the D flip-flop outputs the state of the two MTJ devices. Read disturbances are mitigated with the use of an edge detector coupled to the output node, so that a LOW voltage is provided to the D flip-flop if a rising voltage at the output node is detected. | 2014-07-17 |
20140198564 | MAGNETORESISTIVE ELEMENT AND METHOD OF MANUFACTURING THE SAME - A planar STT-MRAM comprises apparatus, a method of operating and a method of manufacturing a spin-torque magnetoresistive memory and a plurality of magnetoresistive memory element having a ferromagnetic recording layer forming a flux closure with a self-aligned ferromagnetic soft adjacent layer which has an electric field enhanced perpendicular anisotropy through an interface interaction with a dielectric functional layer. The energy switch barrier of the soft adjacent layer is reduced under an electric field along a perpendicular direction with a proper voltage on a digital line from a control circuitry; accordingly, the in-plane magnetization of the recording layer is readily reversible in a low spin-transfer switching current. | 2014-07-17 |
20140198565 | METHOD, SYSTEM AND DEVICE FOR PHASE CHANGE MEMORY WITH SHUNT - Embodiments disclosed herein may relate to forming a storage component comprising a phase change material and a shunt relative to amorphous portions of the phase change material. | 2014-07-17 |
20140198566 | REFERENCE CURRENT SOURCES - Systems, methods, and devices are disclosed, including an electronic device that includes a first data location, a quantizing circuit, and a reference current source, all coupled to an electrical conductor. The reference current source may include a current mirror with a side coupled to the electrical conductor and a second data location coupled to another side of the current mirror. | 2014-07-17 |
20140198567 | DYNAMIC ADJUSTMENT OF READ VOLTAGE LEVELS BASED ON MEMORY CELL THRESHOLD VOLTAGE DISTRIBUTION - A system and methods to find the threshold voltage distribution across a set of nonvolatile memory cells, such that embodiments may incorporate this distribution information into calculations that may change the read compare voltages used to read the memory cells, while ensuring adequate separation in read voltage between different data states at which the memory cells may be read. | 2014-07-17 |
20140198568 | NON-VOLATILE MEMORY SYSTEMS AND METHODS - A high speed voltage mode sensing is provided for a digital multibit non-volatile memory integrated system. An embodiment has a local source follower stage followed by a high speed common source stage. Another embodiment has a local source follower stage followed by a high speed source follower stage. Another embodiment has a common source stage followed by a source follower. An auto zeroing scheme is used. A capacitor sensing scheme is used. Multilevel parallel operation is described. | 2014-07-17 |
20140198569 | FLASH MEMORY, FLASH MEMORY SYSTEM AND OPERATING METHOD OF THE SAME - A flash memory, a flash memory system, and an operating method thereof. The method of operating a flash memory includes counting the number of memory cells having threshold voltages included in a first adjacent threshold voltage range (defined by a first reference read voltage for distinguishing between initially separated adjacently located threshold voltage distributions and a first search read voltage having a first voltage difference from the first reference read voltage), and a second adjacent threshold voltage range (defined by the first reference read voltage and a second search read voltage having a second voltage difference from the first reference read voltage), and setting a first optimal read voltage based on the difference between the first and second counted numbers of the memory cells. | 2014-07-17 |
20140198570 | PROGRAMMING MULTIBIT MEMORY CELLS - A multiple bits per cell memory is operated by applying a one-pass, multiple-level programming, using a single pulse sequence one time (or in one-pass), such as an incremental pulse program sequence, with program verify steps for multiple target program levels, to program multiple bits per cell in a plurality of memory cells. Using these techniques, the number of program pulses required, and the time required for programming the data can be reduced. As a result, an improvement in programming throughput and a reduction in disturbance conditions are achieved. Variants of the one-pass, multiple-level programming operation can be adopted for a variety of memory cell types, memory architectures, programming speeds, and data storage densities. | 2014-07-17 |
20140198571 | SELECTING MEMORY CELLS - A memory device comprises memory cells arranged in rows and columns, and source lines associated with memory sections, each of which includes a plurality of memory cells. Source terminals of transistors included in the memory cells in a first memory section are physically coupled to a first source line that is distinct from other source lines associated with other memory sections on a same row of the memory device as the first memory section. Gate terminals of transistors included in memory cells in a row share a common wordline configured for providing a signal to the gate terminals. | 2014-07-17 |
20140198572 | STRING SELECTION STRUCTURE OF THREE-DIMENSIONAL SEMICONDUCTOR DEVICE - A three-dimensional semiconductor device includes first and second selection lines stacked one on the other. An upper line horizontally crosses over the first and second selection lines. First and second vertical patterns vertically cross the first and second selection lines. The first and second vertical patterns are connected in common to the upper line. Each of the first and second vertical patterns constitutes first and second selection transistors that are connected in series to each other. The first selection transistors of the first and second vertical patterns are controlled by the first and second selection lines, respectively. | 2014-07-17 |
20140198573 | MEMORY SYSTEM AND METHOD OF OPERATION THEREOF - A method of operating a memory system including a non-volatile memory device and a memory controller controlling the non-volatile memory device, includes reading data from a memory cell array in a unit of a page which includes a plurality of sectors; performing error correction decoding on the read data in a unit of a sector of the page; selecting at least one target sector which includes at least one uncorrectable error and selecting at least one pass sector wherein all errors of the pass sector are correctable by the error correction decoding; inhibiting precharging of bit-lines connected to the at least one pass sector while precharging target bit lines connected to the at least one target sector; and performing a read retry operation for data in the at least one target sector. | 2014-07-17 |
20140198574 | NONVOLATILE MEMORY AND MANIPULATING METHOD THEREOF - A manipulating method of a nonvolatile memory is provided and comprises following steps. The nonvolatile memory having a plurality of memory cell is provided. Two adjacent memory cells correspond to one bit and comprise a substrate, a first and another first doping regions, a second doping region, a charge trapping layer, a control gate, a first bit line, a source line and a second bit line different from the first bit line. A first and a second channel are formed. The charge trapping layer is disposed on the first and the second channels. The two adjacent memory cells are programmed by following steps. A first positive and negative voltages are applied to the control gate between the first and the second doping regions and the control gate between the second and the another first doping regions, respectively. A first voltage is applied to the source line. | 2014-07-17 |
20140198575 | Method And Apparatus For Program And Erase Of Select Gate Transistors - Techniques are provided for programming and erasing of select gate transistors in connection with the programming or erasing of a set of memory cells. In response to a program command to program memory cells, the select gate transistors are read to determine whether their Vth is below an acceptable range, in which case the select gate transistors are programmed before the memory cells. Or, a decision can be made to program the select gate transistors based on a count of program-erase cycles, whether a specified time period has elapsed and/or a temperature history of the non-volatile storage device. When an erase command is made to erase memory cells, the select gate transistors are read to determine whether their Vth is above an acceptable range. If their Vth is above the acceptable range, the select gate transistors can be erased concurrently with the erasing of the memory cells. | 2014-07-17 |
20140198576 | PROGRAMMING TECHNIQUE FOR REDUCING PROGRAM DISTURB IN STACKED MEMORY STRUCTURES - A programming bias technique is described for programming a stacked memory structure with a plurality of layers of memory cells. The technique includes the controller circuitry responsive to a program instruction to program data in target cells in a stack of cells at a particular multibit address. The circuitry is configured to use an assignment of cells in the stack of cells to a plurality of sets of cells, and to iteratively execute a set program operation selecting each of the plurality of sets in sequence. Each iteration includes applying inhibit voltages to all of the cells in others of the plurality of sets. Also, each set of layers includes subsets of one or two, and there are at least two layers from other sets separating each of the subsets in one set. | 2014-07-17 |
20140198577 | SEMICONDUCTOR DEVICE - A semiconductor device includes a plurality of nonvolatile memory cells ( | 2014-07-17 |
20140198578 | Method Of Operating A Split Gate Flash Memory Cell With Coupling Gate - A method of operating a memory cell that comprises first and second regions spaced apart in a substrate with a channel region therebetween, a floating gate disposed over the channel region and the first region, a control gate disposed over the channel region and laterally adjacent to the floating gate with a portion disposed over the floating gate, and a coupling gate disposed over the first region and laterally adjacent to the floating gate. A method of erasing the memory cell includes applying a positive voltage to the control gate and a negative voltage to the coupling gate. A method of reading the memory cell includes applying positive voltages to the control gate, to the coupling gate, and to one of the first and second regions. | 2014-07-17 |
20140198579 | DISTURB VERIFY FOR PROGRAMMING MEMORY CELLS - Apparatuses and methods for disturb verify for programming operations are described. Programming memory cells can include applying a number of programming pulses to a first memory cell, performing a disturb verify operation on a second memory cell adjacent to the first memory cell, and inhibiting the first memory cell from further programming in response to the second memory cell failing the disturb verify operation. Other apparatuses and methods are also disclosed. | 2014-07-17 |
20140198580 | DATA PATH INTEGRITY VERIFICATION - Methods and memories for verifying data path integrity are provided. In one such method, a first set of data are read from a first register of a memory device while a second set of data are written to an array of the memory device. The read first set of data and the data written to the first register are compared to verify data path integrity. | 2014-07-17 |
20140198581 | METHOD OF STORING DATA IN NONVOLATILE MEMORY DEVICE AND METHOD OF TESTING NONVOLATILE MEMORY DEVICE - A method of storing data in a nonvolatile memory device comprises performing a program operation on target memory cells among multiple memory cells, performing a first verify operation to determine whether the target memory cells are in a program pass state or a program fail state, and as a consequence of determining that the target memory cells are in the program pass state, performing a second verify operation to determine whether the target memory cells exhibit a program error symptom. | 2014-07-17 |
20140198582 | CAPACITOR STRUCTURES HAVING IMPROVED AREA EFFICIENCY - Semiconductor structures including a plurality of conductive structures having a dielectric material therebetween are disclosed. The thickness of the dielectric material spacing apart the conductive structures may be adjusted to provide optimization of capacitance and voltage threshold. The semiconductor structures may be used as capacitors, for example, in memory devices. Various methods may be used to form such semiconductor structures and capacitors including such semiconductor structures. Memory devices including such capacitors are also disclosed. | 2014-07-17 |
20140198583 | Method and System for Reducing the Size of Nonvolatile Memories - Embodiments relate to system and methods including a plurality of nonvolatile memory elements wherein sets of least two nonvolatile memory elements each share one select element for selecting one of the nonvolatile memory elements of a particular one of the sets of nonvolatile memory elements for a read operation or a program operation. | 2014-07-17 |
20140198584 | BUFFERING SYSTEMS FOR ACCESSING MULTIPLE LAYERS OF MEMORY IN INTEGRATED CIRCUITS - Embodiments of the invention relate generally to data storage and computer memory, and more particularly, to systems, integrated circuits and methods for accessing memory in multiple layers of memory implementing, for example, third dimension memory technology. In a specific embodiment, an integrated circuit is configured to implement write buffers to access multiple layers of memory. For example, the integrated circuit can include memory cells disposed in multiple layers of memory. In one embodiment, the memory cells can be third dimension memory cells. The integrated circuit can also include read buffers that can be sized differently than the write buffers. In at least one embodiment, write buffers can be sized as a function of a write cycle. Each layer of memory can include a plurality of two-terminal memory elements that retain stored data in the absence of power and store data as a plurality of conductivity profiles. | 2014-07-17 |
20140198585 | SEMICONDUCTOR MEMORY APPARATUS - A semiconductor memory apparatus includes: a data output signal transmitter configured to receive a data signal and a data mask signal and transmit a data output signal through a global data line, the data output signal being outputted by determining whether the data signal is masked or not; and a write driver configured to receive the data output signal through the global data line and input the received data output signal to a local data line corresponding to the data output signal. | 2014-07-17 |
20140198586 | DEVICES AND SYSTEMS INCLUDING ENABLING CIRCUITS - Examples of devices and systems including enabling circuits are described. Two voltage supplies may be used to operate different portions of the devices, including peripheral circuits and I/O circuits. When the voltage supply to the peripheral circuits of one or more devices is disabled, the I/O circuits of that device may be disabled. In some examples, power may advantageously be saved in part by eliminating or reducing a DC current path through the I/O circuits. | 2014-07-17 |
20140198587 | PRE-CHARGE VOLTAGE GENERATION AND POWER SAVING MODES - A system includes a voltage generator to produce a pre-charge voltage signal for pre-charging one or more signals in a memory circuit. The one or more signals can be data bus lines used to access memory. The voltage generator can include an input indicating whether the memory circuit is set to a power-saving mode. According to one embodiment, the input adjusts a magnitude of the pre-charge voltage signal produced by the voltage generator. Such an embodiment is useful over conventional methods because adjusting the pre-charge voltage can result in power savings. As an example, when in the power-saving mode, the voltage generator circuit can adjust the pre-charge voltage to a value that reduces an amount of leakage current associated with a pre-charge voltage. Reducing the leakage with respect to the pre-charge voltage means that the saved power can be used for other useful purposes. | 2014-07-17 |
20140198588 | N-WELL SWITCHING CIRCUIT - A dual-mode PMOS transistor is disclosed that has a first mode of operation in which a switched n-well for the dual-mode PMOS transistor is biased to a high voltage. The dual-mode PMOS transistor has a second mode of operation in which the switched n-well is biased to a low voltage that is lower than the high voltage. The dual-mode PMOS transistor has a size and gate-oxide thickness each having a magnitude that cannot accommodate a permanent tie to the high voltage. An n-well voltage switching circuit biases the switched n-well to prevent voltage damage to the dual-mode PMOS transistor despite its relatively small size and thin gate-oxide thickness. | 2014-07-17 |