26th week of 2012 patent applcation highlights part 34 |
Patent application number | Title | Published |
20120162983 | LAMP ASSEMBLY AND METHOD FOR MAKING - A lamp assembly, comprising a lens, a lamp housing in the form of an integral metal part, the lamp housing cooperating with the lens to at least partially define a lamp chamber that is generally fluidly isolated from an ambient atmosphere outside the lamp chamber, and at least one lamp provided in the lamp chamber and carried by the lamp housing. The lamp housing itself defines a heat sink exposed to the ambient atmosphere outside the lamp chamber such that heat from the at least one lamp is transmitted to the ambient atmosphere. | 2012-06-28 |
20120162984 | LIGHT-EMITTING ELEMENT UNIT AND METHOD OF MANUFACTURING LIGHT-EMITTING ELEMENT UNIT, LIGHT-EMITTING ELEMENT PACKAGE, AND LIGHTING DEVICE - A light emitting element unit according to the present invention includes a semiconductor light emitting element that has a surface, a back surface, and a side surface, where the surface or the back surface is a light extracting surface from which light generated inside is emitted, a submount which has a bottom wall and a side wall, has a recess portion defined by the bottom wall and the side wall, and supports the semiconductor light emitting element by the bottom wall in a position in which the light extracting surface is directed upward at the recess portion, and has an inclined surface on the side wall, inclined at a predetermined angle with respect to the bottom wall so as to face the side surface of the semiconductor light emitting element, and a light reflecting film formed on the inclined surface of the submount. | 2012-06-28 |
20120162985 | SOLID STATE LIGHTING UNIT INCORPORATING OPTICAL SPREADING ELEMENTS - A desired output from a solid state lighting assembly is generated using a combination of a light assembly and an external protective lens. Provided are aspects in which the spreading and/or steering of aimed beams from individual light elements is achieved by through sections formed into an external protective lens. This may be embodied either in a luminaire originally designed to utilize solid state lighting elements, such as LEDs, or in a retrofit device or mechanism designed to convert an existing luminaire that uses a traditional light source into a luminaire that uses solid state lighting elements. | 2012-06-28 |
20120162986 | LED grow light - A light system for growing plants indoors comprising a light source mounted on a single, two sided FR4 based PCB board. | 2012-06-28 |
20120162987 | LIGHT EMITTING DIODE LAMP - A light emitting diode lamp includes a lamp base defining a plurality of openings, at least one power module, and a number of illumination modules. Each illumination module includes a number of illumination units. Two opposite terminals of each illumination unit are secured to the lamp base near two opposite edges of a corresponding opening. The illumination units are in the openings and apart from each other. Each illumination unit includes a heat dissipating assembly, at least one lighting assembly, and two connection units connected to two opposite terminals of the heat dissipating assembly. The power module supplies electrical power to at least one illumination module, and controls a power supply through at least one of the two connection units to electrically connect the at least one lighting assembly. | 2012-06-28 |
20120162988 | CERAMIC ILLUMINATION DEVICE - The present invention provides an illumination device ( | 2012-06-28 |
20120162989 | LIGHTING DEVICE - A lighting device | 2012-06-28 |
20120162990 | LAYERED STRUCTURE FOR USE WITH HIGH POWER LIGHT EMITTING DIODE SYSTEMS - A layered structure for use with a high power light emitting diode system comprises an electrically insulating intermediate layer interconnecting a top layer and a bottom layer. The top layer, the intermediate layer, and the bottom layer form an at least semi-flexible elongate member having a longitudinal axis and a plurality of positions spaced along the longitudinal axis. The at least semi-flexible elongate member is bendable laterally proximate the plurality of positions spaced along the longitudinal axis to a radius of at least 6 inches, twistable relative to its longitudinal axis up to 10 degrees per inch, and bendable to conform to localized heat sink surface flatness variations having a radius of at least 1 inch. The top layer is pre-populated with electrical components for high wattage, the electrical components including at least one high wattage light emitting diode at least 1.0 Watt per 0.8 inch squared. | 2012-06-28 |
20120162991 | ORNAMENTAL STRUCTURES - An ornamental fixture having a support structure and a plurality of ornaments mounted to the support structure in a substantially completely spherical arrangement of ornaments. The ornaments may be glass crystal ornaments, for example, octagonal glass crystals, and a light may be mounted within the fixture. The support structure may include an upper support ring and at least one lower support ring vertically spaced from the upper support ring and a plurality of arcuate sector assemblies removably mounted to the upper support ring and the at least one lower support ring. The sector assemblies retain the ornaments to provide a substantially continuous 360-degree array of ornaments. The sector assemblies can also be disassembled from the support structure for maintenance, servicing, relamping, and cleaning of the fixture. For example, the disassembled components of the fixture may be washed in a dishwasher without damaging the ornaments or the support structure. | 2012-06-28 |
20120162992 | ELECTRONIC READING SYSTEM - An electronic reader system includes an electronic book and a stylus. The electronic book includes a battery and a cover. The stylus includes a pen body for writing on the electronic book to input data or commands into the electronic book, and an illumination member detachably attached to the pen body. The illumination member can be detached from the pen body and attached onto the electronic book, receiving electrical power from the book as it does so, to illuminate the electronic book. | 2012-06-28 |
20120162993 | LIGHTING DEVICE - A lighting device includes a base, a light source, an optical color wheel, and a lens. The base has a plurality of fins for heat dissipation. The light source is disposed in the base, and the optical color wheel is disposed above the light source and in contact with the base. The lens is movably disposed on the base. The Light from the light source passes through the optical color wheel to form colored light. The colored light passes through the lens to form a light beam. Heat generated by the light source and the optical color wheel is dissipated by the fins. | 2012-06-28 |
20120162994 | Light Fixture Assembly - A housing for a recessed light fixture for installation into a passenger compartment of a vehicle includes a composite trim assembly. The composite trim assembly includes a spacer and a trim member. The spacer operably engages the housing of the light fixture and the trim member is connected to the spacer. The spacer aligns the trim member with the housing such that the trim member does not contact the housing. Consequently, the trim member, which is exposed to the passenger compartment upon installation, maintains a lower temperature than the housing to which it is connected. | 2012-06-28 |
20120162995 | 3D Light Extraction System With Uniform Emission Across - Systems and methods for OLED lighting panels are provided in which a light extraction block is optically coupled to a light source. The light extraction block includes a plurality of non-parallel light emitting surface normals. At least one light diffusing layer covers a surface of the light extraction block. The light diffusing layer may be positioned, for example, on a light emitting surface of the light extraction block and/or on a mating surface of the light extraction block. The plurality of light emitting surface normals may be located on different non-parallel light emitting surfaces of the light extraction block, or on different points of a curved emitting surface. All of the light emitting surfaces and/or the mating surface, of the light extraction block may be covered by a light diffusing layer. The optical emission intensity and/or the optical emission color from the plurality of light emitting surface normals may be substantially equal. | 2012-06-28 |
20120162996 | LIGHTING DEVICE FOR FORMING PATTERN - The present invention is capable of irradiating a desired figure, a character and the like onto an object with a simple configuration and further capable of easily changing the figure, the character and the like, and includes an LED light source, a first refractive element adapted to refract light emitted from the LED light source to form an image of a light emitting shape when viewed in an optical axis direction of the LED light source at a predetermined position and a casing accommodating the LED light source and the first refractive element and having a light outgoing aperture for emitting the light applied from the first refractive element to the outside. | 2012-06-28 |
20120162997 | LIGHT SIGNAL - A light signal contains a semiconductor light source and an optical system for representing signal aspects (properties), especially on rail-bound traffic routes. In order to obtain the advantageous properties of filament light signals, especially with respect to the beam spread in horizontal direction, the semiconductor light source is configured as a point light source, especially as an individual LED—light-emitting diode—or as an individual HLED—high current LED—and the optical system has an axially symmetric cylindrical lens and a rotationally symmetric convex lens, especially a Fresnel lens. | 2012-06-28 |
20120162998 | LIGHT EMITTING DEVICE AND METHOD FOR MANUFACTURING SAME - A light emitting device has: a light emitting element; a metal member having a first face on which the light emitting element is mounted, and a second face that is on the opposite side from the first face; and a translucent member that seals part of the metal member and the light emitting element, the metal member has an element placement portion on which the light emitting element is placed, and a flat portion disposed around the element placement portion, a covering member is disposed on the second face side of the flat portion, and the top and side faces of the covering member are covered by the translucent member. | 2012-06-28 |
20120162999 | RECESSED LUMINAIRE WITH TRIM RETAINING MECHANISM AND METHOD THEREOF - A recessed luminaire installation mechanism comprising, at least one post ( | 2012-06-28 |
20120163000 | COVER MEMBER MOUNTING DEVICE, BASE-ATTACHED LAMP, AND LIGHTING FIXTURE - A cover member mounting device includes a cover member that forms a shape having an opening in one end and has a screw portion formed near the opening. A body has an opening portion formed at the side of one end, and has a body-side screw portion screwed into the screw portion of the cover member and formed near the opening portion. An elastic member is interposed between the opening of the cover member and the opening portion of the body. A rotation stopping member has an engagement portion, and an engagement receiving portion formed to face the screw portion of the cover member or the body-side screw portion of the body. The engagement portion and the engagement receiving portion are engaged by the reactive force generated when the elastic member is deformed by screwing the cover member into the body. | 2012-06-28 |
20120163001 | Light Bulb | 2012-06-28 |
20120163002 | DISCHARGE LAMP LIGHTING DEVICE - A discharge lamp lighting device includes a discharge lamp, a circuit module configured to supply a voltage to the discharge lamp so as to turn on the discharge lamp, a case member configured to accommodate the circuit module, and a connecting member, in which the discharge lamp is mounted, configured to connect the discharge lamp to the circuit module. The circuit module includes a substrate. The connecting member is integrated with the substrate of the circuit module. | 2012-06-28 |
20120163003 | LIGHT EMITTING APPARATUS - A light emitting apparatus is provided. The light emitting apparatus includes a support unit configured to protrude to a front side to which light is emitted, and a heat emitting unit configured to emit heat generated by the light emission in multiple directions. According to the structure, the heat may be emitted quickly. Therefore, quality of the light emitting apparatus may be increased. | 2012-06-28 |
20120163004 | ANGLE ADJUSTABLE LAMP - An angle adjustable lamp includes a base, at least one lamp holder, a support rod installed between the base and the lamp holder, and an angle adjusting mechanism disposed between the support rod and the lamp holder. The angle adjusting mechanism includes a plurality of cavities circularly arranged at one end of the support rod, at least one protrusion formed on the lamp holder and a bolt. The shape and location of the protrusion is corresponding to the cavities. The bolt pivots the support rod and the lamp holder, so the protrusion can be engaged with various cavities. When the lamp holder is turned, the location of the protrusion is changed so as to be engaged with another cavity, such that the illumination angle of the lamp is adjusted. The adjusted angle is fixed through tightening the bolt. | 2012-06-28 |
20120163005 | Mounting Device for LED Lamp - A mounting device for an LED lamp has a support tube and at least one fixed unit. The support tube has an outer surface and an external engaging surface. The external engaging surface is formed on the outer surface of the support tube. Each one of the at least one fixed unit has a positioning block mounted movably and pivotally around the support tube and has a front surface and an internal engaging surface. The internal engaging surface is formed on the front surface of the positioning block and engages the external engaging surface of the support tube. Therefore, it is convenient to adjust the fixed unit to a suitable position so that the LED lamp can be installed at any location. | 2012-06-28 |
20120163006 | Post for a Combined Light Fitting - A post for a combined light fitting includes a hollow post body composed of at least two post walls, a connector is installed in at least one end of the post body, the connector is provided with a screw connecting hole for connection with outside. All the post walls constituting the post are made of one piece of fiber plate, and on the surface of the fiber plate, at least one V-shaped groove extending along the direction of its height is formed, the V-shaped groove divides the fiber plate into several post walls, and the respective post wall is turned over inward along the V-shaped groove to form the hollow post. In addition, on the upper side and lower side of the fiber plate, positioning grooves are set along the direction of its width, the positioning grooves are perpendicular to the V-shaped groove, a connector is embedded in each of the two ends of the hollow post composed of various post walls after tuned over, and the base of the connector is embedded in the positioning groove for defining the position of the connector. | 2012-06-28 |
20120163007 | AIRCRAFT LIGHT - An aircraft light, particularly for emitting light onto a runway during takeoff or landing and/or onto the ground during taxi, comprises a light source ( | 2012-06-28 |
20120163008 | AUTOMOTIVE HEADLAMPS - An automotive headlamp is provided with: a light-emitting module; a control circuit unit configured to control the lighting of the light-emitting module; a support substrate configured to support both the light-emitting module and the control circuit unit; and a reflector configured to reflect, through an inner surface of the reflector, light emitted by the light-emitting module and collect the reflected light. The support substrate is arranged in a manner such that the control circuit unit is positioned in a region outside the reflector. | 2012-06-28 |
20120163009 | VEHICLE LIGHT - A vehicle light can prevent color variations of the projected image. The vehicle light can include a laser diode, a wavelength conversion member including a phosphor configured to receive blue light emitted from the laser diode and then emitting white light, a projection lens configured to project the white light emitted from the wavelength conversion member to provide forward illumination for a vehicle, and a diffusing portion provided to the projection lens, configured to diffuse the excitation light which is incident on the projection lens from the wavelength conversion member. | 2012-06-28 |
20120163010 | VEHICLE LAMP ADJUSTMENT ASSEMBLY - A vehicle lamp adjustment assembly includes a fixed base, an insert, a U-shaped positioning member and a bolt. The fixed base defines an accommodating space therein. The insert is installed in the accommodating space of the fixed base. The insert has a through hole, a saw-toothed segment and a socket. The through hole passes axially through the insert. The saw-toothed segment is a ctenoid structure raised from the insert. The socket is at an outer periphery of the insert. The U-shaped positioning member has an indentation, by which the U-shaped positioning member engages with the socket of the insert. The bolt is screwed into the through hole of the insert and has a diameter slightly greater than a width of the indentation of the U-shaped positioning member. Thereby, the insert can be firmly positioned in the fixed base and be secured from disengagement. | 2012-06-28 |
20120163011 | ELECTRONIC DEVICE AND METHOD FOR ATTACHING LIGHT GUIDE LENS - An electronic device includes a design panel | 2012-06-28 |
20120163012 | LIGHT GUIDE AND ELECTRONIC DRIVE HAVING SAME - An electronic device includes a chassis, a circuit board, and a light guide. The chassis includes a rear panel defining an opening. The circuit board is installed in the chassis. A connector is mounted to a rear end of the circuit board aligning with the opening. Two spaced light emitting diodes are mounted at a rear end of the connector. The light guide includes a connecting plate mounted to an outer side of the rear panel, and two light guiding posts extending from a bottom of the connecting plate. Front ends of the light guiding posts extend through the opening of the rear panel and align with the light emitting diodes of the connector, to transmit light generated by the light emitting diodes rearwards and upwards. | 2012-06-28 |
20120163013 | Elongated LED Lighting Arrangement - An elongated LED lighting arrangement comprises an elongated light pipe with homogeneous optical material between first and second ends. In an exemplary embodiment, an LED provides blue light to the light pipe via a first dichroic mirror tuned to pass blue light. Down-converting means on sidewall of the light pipe, tuned to receive blue light, absorbs blue light from the LED and to emit lower-energy light outside of the light pipe at respectively higher wavelengths. Light-extracting means on the sidewall extract from the light pipe some blue light without changing the wavelengths of the foregoing light. Light from the down-converting means and the light-extracting means are combined to provide a composite color. The first dichroic mirror receives some light emitted by the down-converting means and reflects back into the light pipe more than 80 percent of the light received by the mirror. | 2012-06-28 |
20120163014 | OPTICAL ELEMENT - It is disclosed an optical element ( | 2012-06-28 |
20120163015 | Light source apparatus and endoscope system - A light source apparatus includes: a light source section that emits a luminous flux whose quantity of light is larger in a central region than in a peripheral region; a condensing optical system that condenses an incoming luminous flux; and a light distribution correction optical element arranged between the light source section and the condensing optical section, in which a central portion has a negative power that is more intense than that of a peripheral region. | 2012-06-28 |
20120163016 | Articulating Drill with Illumination - The present invention is an articulating hand power tool which in one embodiment includes a head portion including a head housing configured to articulate with a main housing, a bit holder rotatably positioned within the head housing, and a lighting assembly configured to emit a first elongated beam pattern from the head portion. | 2012-06-28 |
20120163017 | ELECTRONIC DEVICE WITH LIGHT GUIDING PIPE - An electronic device includes a housing, an adhering member, and a light guiding pipe. The housing includes a side wall defining a stepped fixing hole, the stepped fixing hole includes a fixing surface towards the inside of the housing. The light guiding pipe includes a light guiding portion. The light guiding portion includes a main body and a flange formed at the outer side of the main body. The flange includes an assembly surface corresponding to the fixing surface. The light guiding pipe is adhered to the housing by the adhering member, with the light guiding pipe inserted in the stepped fixing hole and the assembly surface resisting against the fixing surface. | 2012-06-28 |
20120163018 | BACKLIGHT UNIT AND DISPLAY DEVICE INCLUDING THE SAME - A backlight unit of an embodiment includes: a light emitting module including a plurality of light emitting diodes and a module substrate on which the light emitting diodes are mounted; a bottom cover accommodating the light emitting module; a board on the bottom cover; a transformer mounted on a lower portion of the board, and including a core and a coil surrounding at least one portion of the core; a transformer cover covering the transformer; and a heat dissipating cover between the transformer cover and the bottom cover. | 2012-06-28 |
20120163019 | LIGHT GUIDE PLATE, SURFACE LIGHT SOURCE DEVICE, AND TRANSMISSION IMAGE DISPLAY DEVICE - A light guide plate according to an embodiment of the present invention is one in which light scattering dots are formed on at least one surface | 2012-06-28 |
20120163020 | PLANAR LIGHT EMITTING DEVICE AND METHOD OF MANUFACTURING SAME - A planar light emitting device provided with a light source; a sheet-like light guide that guides light from the light source in a planar direction, and has a plurality of light emitting regions, and a through slit formed between the light emitting regions to penetrate the light guide in a thickness direction; a switch sheet arranged so as to face one of the front face and the rear face of the light guide; and a light-blocking layer that has a flange portion that covers an opening edge portion of the through slit, a main body portion that covers at least one of the mutually facing inner wall surfaces of the through slit so as to form a space in the interior of the through slit and that continuous with the flange portion, and a bottom portion that is extended from a lower portion of the main body portion. | 2012-06-28 |
20120163021 | TRANSPARENT DISPLAY BACKLIGHT ASSEMBLY - In embodiments of a transparent display backlight assembly, a backlight panel is operable as a transparent panel, and a light source generates light that the backlight panel directs from the light source to illuminate a display panel of a display device. Light refraction features refract and scatter the light, where the light refraction features are spaced for approximate transparency of the backlight panel and to illuminate the display panel. An active diffuser can be implemented as an additional transparent panel and operable for activation to diffuse the light from the backlight panel that illuminates the display panel. | 2012-06-28 |
20120163022 | ILLUMINATION APPARATUS - This invention relates to an illumination apparatus. The illumination apparatus comprises a light guide plate and a light source configured to emit light into the light guide plate through a first surface, and the light guide plate comprises a concentrator configured to direct incident light in the light guide plate so as to radiate in a direction substantially parallel to a preset plane. The preset plane is perpendicular to any one of the top surface and bottom surface of the light guide plate, and intersects the first surface and a second surface of the light guide plate or intersects the first surface and one of the side surfaces at an angle that is substantially larger than the critical angle of a total reflection. In this way, unwanted light loss in the light guide plate is reduced, and the distribution of the light intensity or luminance along the light guide plate is improved, i.e., a substantially uniform distribution of the light intensity can be achieved. | 2012-06-28 |
20120163023 | DISPLAY APPARATUS HAVING THERMALLY PROTECTED BACKLIGHT ASSEMBLY - A thermal spacing structure is provided within a display apparatus that includes a heat-emitting light source and a thermally deformable light guide plate (LGP). In one embodiment, the thermal spacing structure includes a pair of spacer members disposed at sides of the light source and engaging the light guide plate so as to space the light source from a light receiving incident surface of the PGP by a predetermined distance. | 2012-06-28 |
20120163024 | ILLUMINATOR ALLOWING A WIDE LUMINOUS INTENSITY DISTRIBUTION - An illuminator is provided including: a light source unit composed of a point light source; a light guide plate including an incidence surface into which light emitted from the light source unit is introduced, and an exit surface out which the light that has been introduced from the incidence surface exits; and a prism body where a plurality of prisms are arranged so as to refract the light that has exited out from the exit surface of the light guide plate, wherein the prism body is arranged at a specific area on the entire exit surface of the light guide plate so as to refract part of the light that has exited out from the exit surface of the light guide plate. | 2012-06-28 |
20120163025 | LIGHT GUIDE APPARATUS FOR A BACKLIGHT MODULE AND FABRICATING METHOD THEREOF - A light guide apparatus for a backlight module is provided. The light guide apparatus comprises a light guide plate and a light source module. The light guide plate is configured with a circuit contact. The light source module is integrated with the light guide plate in contact with the circuit contact. Besides, a method of fabricating a light guide apparatus for a backlight module is also provided with simpler process and lower fabrication cost. | 2012-06-28 |
20120163026 | LIGHT-EMITTING DIODE PACKAGE, LIGHT SOURCE MODULE HAVING THE SAME AND BACKLIGHT ASSEMBLY HAVING THE SAME - A light-emitting diode (“LED”) package includes a light-emitting chip, a case, first and second lead frames and a dummy lead frame. The light-emitting chip generates light. The case includes a bottom portion and a plurality of sidewalls, wherein the light-emitting chip is positioned in the case. The first and second lead frames are spaced apart from each other and are electrically connected to the light-emitting chip. The dummy lead frame is spaced apart from the light-emitting chip and the first and second lead frames, and is electrically isolated from the light-emitting chip and the first and second lead frames. The dummy lead frame is used as a wiring for connecting the LED package to another LED package, so that the number of signal wirings or a length of a signal wiring may be decreased, and a manufacturing cost of the LED package may be reduced. | 2012-06-28 |
20120163027 | LIGHT-EMITTING DEVICE - It is disclosed a light-emitting device ( | 2012-06-28 |
20120163028 | MULTI-SEGMENTED LIGHT GUIDE FOR AN INPUT DEVICE - An input device and display apparatus with multi-light segments has been disclosed. The input device may comprise a rigid light guide layer having alignment structures that define the rigid light guide layer into multiple light segments, a plurality of first layer flexible light guide films and a plurality of second layer flexible light guide films. The alignment structures may be formed together when making the rigid light guide layer in an injection molding process. By coupling multiple light sources into each of the light guides, the display may be configured to display multiple color and multiple symbols, independently. In another embodiment, the light guide may be utilized in a display apparatus without a LCD. | 2012-06-28 |
20120163029 | LIGHT GUIDE APPARATUS OF BACKLIGHT MODULE - A light guide apparatus of a backlight module is provided. The light guide apparatus includes a light guide plate and a plurality of LEDs serving as light sources disposed at one lateral side of the light guide plate. The light guide plate includes a circuit configured thereon, and the light sources are welded on the circuit of the light guide plate. | 2012-06-28 |
20120163030 | VIDEO DISPLAY DEVICE, BACKLIGHT UNIT, AND ELECTRONIC DEVICE - According to one embodiment, a video display device includes a housing, a display module, a light guide, two first components, and two second components. The housing houses at least part of the display module. The light guide is located opposite the display screen of the display module with respect to the display module. The first and the second components each include a base portion, a plurality of light emitters, and a connector. The base portion is arranged along an edge of the light guide. The light emitters are arranged on the base portion to face the edge of the light guide. The connector includes a plurality of terminals including anode and cathode electrically connected to the light emitters. The terminals are arranged in the same sequence in the first components and in the second components. | 2012-06-28 |
20120163031 | VEHICLE LIGHT - A vehicle light can allow light to be emitted more uniformly through an elongated area from a fewer number of light sources as compared with a conventional one. The vehicle light can include an outer lens, a plurality of light sources arranged along the outer edge of the outer lens for emitting light in an optical axis direction orthogonal to the arraying direction thereof, an inner lens including a light guide portion elongated in the arraying direction of the light sources and disposed along the optical axis of the light sources, for dispersing the light in a longitudinal direction of the lens and emitting in the optical axis direction, and a first diffusion reflector and second diffusion reflectors configured to be elongated in the longitudinal direction of the inner lens and disposed in the optical axis direction of the lens. | 2012-06-28 |
20120163032 | LIGHT GUIDE PLATE, LIGHT GUIDE PLATE MOLD INSERT AND METHOD FOR MAKING LIGHT GUIDE PLATE - A light guide plate mold insert includes a molding surface and a number of uniformly distributed dot-shaped recesses. The molding surface is used for forming a reflective surface of a light guide plate. The uniformly distributed dot-shaped recesses are formed in the molding surface. The molding surface includes a number of frosted regions formed by machining the molding surface using a sand-blasting process. Each of the frosted regions includes a number of dot-shaped micro recesses. A distribution density of the micro recesses are greater than that of the recesses. | 2012-06-28 |
20120163033 | Backlight Module, Light Guide Device, and Method for Manufacturing Light Guide Plate - A method for manufacturing a light guide plate includes the following steps. At least one dot area and at least one non-dot area are defined on a mask. A lithography and etching process using the mask is performed a mold to form at least one recess having a rough surface on the mold and leave at least one non-etched microstructure on the mold. The recess corresponds to the non-dot area, and the non-etched microstructure corresponds to the dot area. An injection molding process using the mold is performed to form the light guide plate. The light guide plate has at least one protrusion having a rough surface on the light guide plate and at least one indented microstructure in the light guide plate. The protrusion corresponds to the recess, and the indented microstructure corresponds to the non-etched microstructure. | 2012-06-28 |
20120163034 | SWITCHING MODE POWER SUPPLY HAVING MULTIPLE OUTPUT - There is provided a switching mode power supply having multiple outputs, including: a DC/DC converter converting a DC voltage level according to a change in a load and including a primary coil and a secondary coil; a boost unit boosting an output voltage of the DC/DC converter in a first mode and outputting the boosted output voltage to an output terminal; a bypass unit bypassing the output voltage of the DC/DC converter in a second mode, to output the bypassed voltage to the output terminal; and a boosting controller controlling the boost unit according to a voltage detected at a center tab of the secondary coil of the DC/DC converter. | 2012-06-28 |
20120163035 | MULTI-PHASE INTERLEAVED BIDIRECTIONAL DC-DC CONVERTER - Provided is power conversion technology for charge and discharge control of an energy storage module such as battery or super capacitor. For achieving the technology, there is provided a multi-phase interleaved bidirectional DC-DC converter including: a first bidirectional DC-DC converter including a input unit which includes a first input inductor and an energy storage module which stores input current from the energy storage module, a first primary-side half-bridge which is connected to the first input inductor of the input unit and controls the input current from the energy storage module, an output unit which includes an output capacitor, a first secondary-side half-bridge which is connected to the output unit and controls the output voltage, and a first transformer whose primary side is connected to the first primary-side half-bridge, whose secondary side is connected to the first secondary-side half-bridge, and which transforms a voltage at the primary side or at the secondary side according to a power mode; and a n-th bidirectional DC-DC converter, wherein the n-th bidirectional DC-DC converter is composed of one or more n-th bidirectional DC-DC converters. | 2012-06-28 |
20120163036 | POWER SUPPLY UNIT SUPPLYING STANDBY POWER BY SHARING SWITCH OF MAIN CONVERTER - There is provided a power supply unit supplying a standby power by sharing a switch of a main converter. The power supply unit includes: a main converter, and a standby converter. The main converter controls a current flowing in a primary side winding of a main transformer and supplies a main power through a secondary side winding of the main transformer. The standby converter controls a current flowing in a primary side winding of a standby transformer and supplies a standby power through a secondary side winding of the standby transformer, and a portion of a plurality of switches of the main converter is included in switches of the standby converter. | 2012-06-28 |
20120163037 | RESONANT CONVERTER - Disclosed herein is a resonant converter, including: a power conversion circuit alternately switching applied DC power to output a predetermined level of output power; and a control circuit fixing an operating frequency and controlling the level of the output power by varying the comparison voltage level that is a comparison target of the operating frequency, by determining that a short circuit occurs when the output current of the power conversion circuit is a reference current or more by comparing the output current of the power conversion circuit with the reference current. By this configuration, the output current can be constantly controlled even when the short circuit occurs in the output of the resonant converter. | 2012-06-28 |
20120163038 | CONTROL CIRCUIT OF LLC RESONANT CONVERTER AND LLC RESONANT CONVERTER USING THE SAME - The present invention provides a control circuit of an LLC resonant converter including a minimum switching frequency variable circuit of varying a minimum switching frequency corresponding to an AC input voltage of the LLC resonant converter; and a first pulse signal generating unit and a second pulse signal generating unit to generate a first pulse signal and a second pulse signal based on a switching frequency limited by the minimum switching frequency variable circuit. | 2012-06-28 |
20120163039 | CONTROLLER FOR A RESONANT CONVERTER - A controller for a resonant converter, wherein the controller is configured to operate the resonant converter in a high power mode of operation by adjusting a first control parameter to vary the output power and a low power mode of operation by adjusting a second control parameter to vary the output power. The controller is configured to set the value of the first control parameter when changing between the high power mode of operation and the low power mode of operation such that the output power is substantially consistent during the changeover. | 2012-06-28 |
20120163040 | REDUCING VOLTAGE STRESS IN A FLYBACK CONVERTER DESIGN - Disclosed is flyback converter having a controller that performs a startup switching process when the flyback converter is powered up, and then performs normal switching afterward. The controller includes a pulse generator to generate a control signal for normal switching. During startup switching, the controller may generate a control signal by output every N | 2012-06-28 |
20120163041 | METHOD AND APPARATUS FOR A POWER SUPPLY CONTROLLER RESPONSIVE TO A FEEDFORWARD SIGNAL - An example power supply controller includes a switch duty cycle controller coupled to receive a feedback signal and a duty cycle adjust signal. The switch duty cycle controller is coupled to generate a drive signal coupled to control switching of a switch, which is coupled to an energy transfer element, to regulate energy delivered from an input of a power supply to an output of the power supply. The power supply controller also includes a gain selector circuit coupled to receive an input voltage signal, which is representative of an input voltage to the power supply, to generate the duty cycle adjust signal received by the switch duty cycle controller. The duty cycle of the drive signal to be varied in response to a plurality of linear functions over a range of values of the input voltage signal. | 2012-06-28 |
20120163042 | CIRCUIT AND METHOD OF FREQUENCY JITTER, AND APPLICATION THEREOF IN SWITCHED-MODE POWER SUPPLY (SMPS) - The present invention is to provide a frequency jitter circuit and a method for generating frequency jitter. The frequency jitter circuit, comprising: an oscillating circuit, configured to generate an oscillating frequency output signal; a decoding circuit, configured to be controlled by said oscillating frequency output signal for generating several pulse output signals; a delay circuit, through which said oscillating frequency output signal is passed for generating a frequency jitter output signal that is delayed a period of time compared to said oscillating frequency output signal. Application of the invention into switched-mode power supply might reduce EMI average noise in the switched-mode power supply, and smooth energy spectrum density. | 2012-06-28 |
20120163043 | METHOD AND APPARATUS TO REGULATE AN OUTPUT VOLTAGE OF A POWER CONVERTER AT LIGHT/NO LOAD CONDITIONS - An example controller for a primary side control power converter includes a feedback circuit, a driver circuit, and an adjustable voltage reference circuit. The feedback circuit is coupled to compare a feedback signal representative of a bias winding voltage of the power converter with a voltage reference. The driver circuit is coupled to output a switching signal to control a switch of the power converter to regulate an output of the power converter in response the feedback circuit. The adjustable voltage reference circuit is coupled to adjust the voltage reference such that the bias winding voltage is adjusted nonlinearly in response to a load condition at the output of the power converter. The adjustable voltage reference circuit is further coupled to detect the load condition in response to the switching signal. | 2012-06-28 |
20120163044 | MULTILEVEL POWER CONVERTER OR INVERTER ARRANGEMENT USING H BRIDGES - Multilevel voltage arrangement having a transformer and a power converter or inverter comprising one or more common DC links connectable to a power source, said arrangement comprising one first set of H bridges being connected to said common DC link, wherein each of said H bridges comprises with at least two nodes connected to the ends of wirings at the primary side of a transfer, wherein control means are configured for controlling H bridges so as to achieve a multilevel voltage signal between the first node and the second node of said H bridges. | 2012-06-28 |
20120163045 | POWER CONVERTER AND METHOD FOR CONTROLLING SAME - A converter section ( | 2012-06-28 |
20120163046 | PHASE CURRENT DETECTION DEVICE AND POWER CONVERSION DEVICE USING THE SAME - A control section which repeats inverter control in units of an inverter control period having a predetermined length is provided. In the control section, a phase current detection period in which a phase current is detected is provided between predetermined two inverter control periods, each of switching states of switching elements of a inverter circuit is controlled so that a voltage pulse having a larger width than a width of a voltage pulse in the inverter control period is output from a shunt resistor in the phase current detection period. | 2012-06-28 |
20120163047 | STARTUP CIRCUIT, SWITCHING POWER SOURCE IC, AND SWITCHING POWER SOURCE APPARATUS - A startup circuit includes a MOSFET that is connected between a startup power source and an auxiliary power source made of a smoothing capacitor and passes a startup current from the startup power source to the smoothing capacitor, a JFET that has a drain terminal connected to a drain terminal of the MOSFET and a source terminal connected through a resistor to a gate terminal of the MOSFET, and a pinch-off voltage controller that controls a pinch-off voltage of the JFET to a first reference voltage at startup and to a second reference voltage, which is lower than the first reference voltage, after startup. | 2012-06-28 |
20120163048 | INVERTER, POWER GENERATION SYSTEM AND METHOD OF OPERATING A POWER GENERATION SYSTEM - The invention relates an inverter that may be set up as part of a power generation system for the connection of a number of substrings, which, using DC switches, can be connected to each other in series into a string and with the inverter. The inverter includes a bridge circuit to transform the power generated by the string comprising series-connected substrings into a grid-compatible AC voltage and to feed the power into a grid. The inverter also includes a ground fault detector arranged on the AC side of the bridge circuit for ground fault monitoring of the string. A controller connected to the ground fault detector controls the DC switches so that in case of a ground fault, a complete decoupling of the connection of the string from the bridge circuit and a separation of the string into potential-free substrings is performed. A method of operating such a power generation system is also described. | 2012-06-28 |
20120163049 | APPARATUS FOR COLLECTING WIRELESS ENERGY AND WIRELESS ELECTRONIC LABEL EMPLOYING THE APPARATUS - An apparatus for collecting wireless is provided. The apparatus includes an antenna and a collection circuit. The antenna generates an alternating current (AC) voltage from a radio wave. The collection circuit generates a direct current (DC) voltage corresponding to the AC voltage, determines whether the DC voltage is lower than a preset value, and changes an internal impedance of the collection circuit if it is determined that the DC voltage is lower than the preset voltage. | 2012-06-28 |
20120163050 | POWER SUPPLY CIRCUIT WITH LOW STAND-BY LOSSES - A circuit for converting an A.C. power supply voltage into a D.C. voltage, including: a first branch capable of providing a first power level; and a second parallel branch capable of providing a second power level greater than the first one, the second branch including a bidirectional activation switch. | 2012-06-28 |
20120163051 | Cold swap load adaptive power supply - In some embodiments, a power supply may include a power factor correction (PFC) circuit to receive an input voltage signal and to provide an intermediate PFC output voltage signal, the PFC circuit including at least a first PFC stage and a second PFC stage, a converter circuit to convert the intermediate PFC output voltage signal to an output voltage signal, the converter circuit including at least a first converter stage and a second converter stage, and a control circuit to monitor at least one of the input voltage signal, the intermediate PFC output voltage signal, and the output voltage signal and to switch between respective pairs of the first PFC stage and first converter stage and the second PFC stage and the second converter stage based on the monitored signals. For example, the first PFC stage and first converter stage may provide relatively more efficient performance over a first output power range and the second PFC stage and second converter stage may provide relatively more efficient performance over a second output power range. Other embodiments are disclosed and claimed. | 2012-06-28 |
20120163052 | Power supply unit and information processor - A power supply unit includes multiple input terminals to which alternating-current power is input; a positive terminal and a negative terminal for outputting direct-current power; a rectifier circuit configured to rectify the input alternating-current power; a first inductor connected to the rectifier circuit; a first capacitor connected between the positive terminal and the negative terminal; a first rectifying device connected between the output terminal of the first inductor and the positive terminal and having a rectification direction in a direction from the output terminal of the first inductor toward the positive terminal; a switching device connected between an input terminal of the first rectifying device and the negative terminal; a second rectifying device and a second capacitor connected in parallel to the switching device; and a second inductor connected between a connection of the second rectifying device and the second capacitor and the positive terminal. | 2012-06-28 |
20120163053 | CIRCUIT FOR CONTROLLING A SWITCH IN SERIES WITH A CAPACITIVE ELEMENT - A circuit including a switch controlling a capacitive element intended to receive an A.C. voltage, and a diode in parallel with the switch. | 2012-06-28 |
20120163054 | POWER SUPPLY UNIT HAVING A VOLTAGE CONVERTER - The present invention concerns an electrical installation or device equipped with a power supply unit comprising a voltage converter having primary and secondary parts respectively defining a primary side and a secondary side of this electrical installation or device. This power supply unit comprises a power management unit arranged on the primary side, the primary part of the converter being associated with a control circuit also arranged on the primary side and controlling the electrical energy flowing in the primary power path of the primary part. The control circuit receives from the power management unit at least a first control signal for switching OFF the electrical energy in the primary power path, the power supply unit entering a very low power mode (“Power-down” mode) when the first control signal is set to OFF so that the converter is not supplied anymore. The power management unit is arranged such that, in the very low power mode, it can receive or generate at least a wake-up signal and set to ON the first control signal in response to the wake-up signal for supplying again the primary and secondary parts of the converter. | 2012-06-28 |
20120163055 | METHOD FOR REGULATING TEMPERATURE OF TRANSISTOR-BASED COMPONENT - A method of regulating temperature of a transistor-based component of a power system is disclosed. The method may include operating the power system to supply electric power to the transistor-based component and converting the electric power from direct current to alternating current, or alternating current to direct current, using the transistor-based component, thereby creating heat in the transistor-based component. The method may include outputting the electric power from the transistor-based component and supplying the electric power to an electrically-powered component to perform an output operation. The method may include controlling, during a predetermined system operating condition, one or more operations of a component associated with the power system to actively generate heat to thereby maintain the temperature of the transistor-based component higher than from the conversion of electric power that is performed to produce the electric power used to perform the output operation during the predetermined system operating condition. | 2012-06-28 |
20120163056 | INPUT CIRCUIT FOR AN ELECTRICAL DEVICE, USE OF AN INPUT CIRCUIT AND ELECTRICAL DEVICE - A switched-mode power supply unit includes a mains input connecting the power supply to a primary supply voltage; an input circuit including a shared electrical path connected to the mains input and including a first mains filter, a first electrical path, connected in series with the shared electrical path, including a second mains filter, a second electrical path connected in series with the shared electrical path and connected in parallel with the first electrical path, and a first switching element that opens the first electrical path; a supply output that provides a filtered primary supply voltage; a switched-mode converter coupled to the supply output that converts the filtered primary supply voltage to a secondary supply voltage; and a control circuit that selectively switches the power supply unit to a first mode of operation with a high power output or a second mode of operation with a reduced power output. | 2012-06-28 |
20120163057 | MECHANICAL ARRANGEMENT OF A MULTILEVEL POWER CONVERTER CIRCUIT - A mechanical arrangement of a multilevel power converter circuit includes a power converter having a first portion with a plurality of first control inputs, at least three direct current voltage inputs, and an alternating current voltage output, and a second portion with a plurality of second control inputs, the at least three direct current voltage inputs and the alternating current voltage output. The second portion is split apart from the first portion. The power converter has at least three levels corresponding to the at least three direct current voltage inputs. | 2012-06-28 |
20120163058 | HIGH VOLTAGE INVERTER DEVICE AND ELECTRICAL LEAKAGE DETECTOR THEREOF - In a high voltage inverter device switching an input voltage to apply an exciting current to an excitation winding of a transformer and output an alternating-current high voltage from an output winding to supply the high voltage to a load from output lines, a point on the output line is connected to a frame ground. Each of a first and a second winding of the electrical leakage detecting transformer is interposed in series with the output line on a side where current flows out of the point and a side where current flows into the point respectively. A detection voltage Vd outputted from an amplifying winding is compared by a comparison voltage Vref, and an electrical leakage detection signal Sd is outputted when Vd>Vref. The first and second winding are opposite in winding direction to each other and equal in number of turns. | 2012-06-28 |
20120163059 | CONDITIONALLY PRECHARGED DYNAMIC CONTENT ADDRESSABLE MEMORY - A conditionally precharged content addressable memory (CAM) includes forcing a mismatch on a matchline of the CAM if a data entry in the CAM is invalid. The matchline of the CAM is precharged only if the data entry is valid. | 2012-06-28 |
20120163060 | SEMICONDUCTOR MEMORY DEVICE - A semiconductor memory device comprises a semiconductor substrate; a plurality of memory cell arrays stacked on the semiconductor substrate, each memory cell array including a plurality of first lines paralleled with each other, a plurality of second lines paralleled with each other and formed crossing the first lines, and a plurality of memory cells arranged at intersections of the first lines and the second lines, each memory cell having one end connected to the first line and the other end connected to the second line; a first control circuit provided on the semiconductor substrate immediately beneath the memory cell arrays and having one end connected to the first line to select and drive the first line; and a second control circuit provided on the semiconductor substrate immediately beneath the memory cell arrays and having one end connected to the second line to select and drive the second line. | 2012-06-28 |
20120163061 | MEMORY ARRAY HAVING LOCAL SOURCE LINES - A memory is provided that simplifies a fabrication process and structure by reducing the number of source lines and bitlines accessible to circuitry outside of the memory array. The memory has first and second row groups comprising a plurality of memory elements each coupled to one each of a plurality of M bit lines; first and second local source lines and first and second word lines, each coupled to each of the plurality of memory elements; and circuitry coupled to the first and second word lines and configured to select one of the first and second row groups, and coupled to the plurality of M bit lines and configured to apply current of magnitude N through the memory element in the selected row group coupled to one of the plurality of M bit lines by applying current of magnitude less than N to two or more of the remaining M-1 bit lines. | 2012-06-28 |
20120163062 | MEMORY DEVICE AND MEMORY ACCESS METHOD - Provided is a memory device in which the circuit structure is simplified while the functions of a memory including an OTP memory and a memory including a pseudo-MTP memory are maintained. A memory device includes a plurality of memory sets each including a mark bit storage area for storing a mark bit, which indicates that an object is deleted data, and a data bit storage area for storing data, the memory device being built from an OTP memory including an OTP memory block and a pseudo-MTP memory block, the OTP memory block containing a given number of memory sets to operate as an OTP memory, the pseudo-MTP memory block containing the rest of the memory sets operates as a pseudo-MTP memory. The mark bit is written in advance in the mark bit storage area of the OTP memory block. | 2012-06-28 |
20120163063 | COMPLEMENTARY READ-ONLY MEMORY (ROM) CELL AND METHOD FOR MANUFACTURING THE SAME - A complementary read-only memory (ROM) cell includes a transistor; and a bit line and a complementary bit line adjacent to the transistor; wherein a drain terminal of the transistor is connected to one of the bit line and the complementary bit line based on data programmed in the ROM cell. | 2012-06-28 |
20120163064 | MEMORY DEVICE - A read only memory cell circuit is provided. The memory cell circuit includes at least one memory cell. A pair of bit lines associated with each memory cell is provided which form a complementary output. The at least one memory cell is configured to be coupled to first or second of the bit line pair. | 2012-06-28 |
20120163065 | Spatial Correlation of Reference Cells in Resistive Memory Array - The present disclosure relates to methods of selectively placing a reference column or reference row in a memory array. The method includes measuring a resistance state resistance value for a plurality of variable resistive memory cells within a memory array and mapping a location of each measured variable resistive memory cell to form a map of the resistance state resistance values for a plurality of variable resistive memory cells within a memory array. Then a column or row is selected to be a reference column or reference row based on the map of the resistance state resistance value for a plurality of variable resistive memory cells within a memory array, to minimize read operation errors, and forming a variable resistive memory cell memory array. | 2012-06-28 |
20120163066 | SEMICONDUCTOR STORAGE DEVICE - A semiconductor storage device includes: a memory cell array including memory cells, each of the memory cells having a variable resistance element; and a control circuit configured to apply a control voltage, which is necessary for the variable resistance element to transit a resistance state, to a selected memory cell. When applying the control voltage plural times, the control circuit operates to set a value of the control voltage applied in a first control voltage application operation to be substantially equal to a minimum value of distribution of the voltage values of all the memory cells in the memory cell array required to transit the resistance state of the variable resistance element from a high resistance state to a low resistance state. The control circuit operates to perform a plurality of control voltage application operations by increasing the value of the control voltage by a certain value. | 2012-06-28 |
20120163067 | VOLATILE MEMORY ELEMENTS WITH SOFT ERROR UPSET IMMUNITY - Memory elements are provided that exhibit immunity to soft error upset events when subjected to high-energy atomic particle strikes. The memory elements may each have ten transistors including two address transistors and four transistor pairs that are interconnected to form a bistable element. Clear lines such as true and complement clear lines may be routed to positive power supply terminals and ground power supply terminals associated with certain transistor pairs. During clear operations, some or all of the transistor pairs can be selectively depowered using the clear lines. This facilitates clear operations in which logic zero values are driven through the address transistors and reduces cross-bar current surges. | 2012-06-28 |
20120163068 | 10T SRAM Cell with Near Dual Port Functionality - An integrated circuit including an array of SRAM cells containing a write port with a write word line and two read buffers with read word lines. The write port includes passgate transistors connected to each data node of the SRAM cell. A process of operating the integrated circuit in which source nodes of read buffer driver transistors are biased during a read operation. A process of operating the integrated circuit in which source nodes of read buffer driver transistors are floated during a read operation. A process of operating the integrated circuit in which the write port and the read ports share data lines and the source nodes of read buffer driver transistors are floated during a write operation. | 2012-06-28 |
20120163069 | Memristor Device with Resistance Adjustable by Moving a Magnetic Wall by Spin Transfer and Use of Said Memristor in a Neural Network - A device with adjustable resistance includes two magnetic elements separated by an insulating or semi-conductor element. The resistance of the device depends on the position of a magnetic wall in one of the magnetic elements, the magnetic wall separating two areas of said magnetic element each having a separate homogeneous direction of magnetization. The device comprises means for moving the magnetic wall in the magnetic element by applying a spin-polarized electric current, such that the resistance of the device is adjustable in a continuous range of values. The invention is useful in neuromimetic circuits, neural networks and bio-inspired computers. | 2012-06-28 |
20120163070 | MAGNETORESISTIVE ELEMENT AND MAGNETIC MEMORY - According to one embodiment, a magnetoresistive element includes a first magnetic layer with a perpendicular and variable magnetization, a second magnetic layer with a perpendicular and invariable magnetization, and a first nonmagnetic layer between the first and second magnetic layer. The first magnetic layer has a laminated structure of first and second ferromagnetic materials. A magnetization direction of the first magnetic layer is changed by a current which pass through the first magnetic layer, the first nonmagnetic layer and the second magnetic layer. A perpendicular magnetic anisotropy of the second ferromagnetic material is smaller than that of the first ferromagnetic material. A film thickness of the first ferromagnetic material is thinner than that of the second ferromagnetic material. | 2012-06-28 |
20120163071 | SIGNAL PROCESSING CIRCUIT - It is an object to provide a signal processing circuit for which a complex manufacturing process is not necessary and whose power consumption can be suppressed. In particular, it is an object to provide a signal processing circuit whose power consumption can be suppressed by stopping the power supply for a short time. The signal processing circuit includes a control circuit, an arithmetic unit, and a buffer memory device. The buffer memory device stores data sent from the main memory device or the arithmetic unit in accordance with an instruction from the control unit; the buffer memory device comprises a plurality of memory cells; and the memory cells each include a transistor including an oxide semiconductor in a channel formation region and a memory element to which charge whose amount depends on a value of the data is supplied via the transistor. | 2012-06-28 |
20120163072 | NON-VOLATILE SEMICONDUCTOR MEMORY CELL WITH DUAL FUNCTIONS - A non-volatile semiconductor memory cell with dual functions includes a substrate, a first gate, a second gate, a third gate, a charge storage layer, a first diffusion region, a second diffusion region, and a third diffusion region. The second gate and the third gate are used for receiving a first voltage corresponding to a one-time programming function of the dual function and a second voltage corresponding to a multi-time programming function of the dual function. The first diffusion region is used for receiving a third voltage corresponding to the one-time programming function and a fourth voltage corresponding to the multi-time programming function. The second diffusion region is used for receiving a fifth voltage corresponding to the multi-time programming function. | 2012-06-28 |
20120163073 | Early detection of degradation in NOR flash memory - The embodiments of the invention in this disclosure describe techniques for early warning of degradation in NOR Flash memories by estimating the dispersion of the threshold voltages (V | 2012-06-28 |
20120163074 | Early degradation detection in flash memory using test cells - A Flash memory system and a method for data management using the embodiments of the invention use special test cells with Early Degradation Detection (EDD) circuitry instead of using the actual user-data storage cells are described. The Flash memory test cells can be made to serve as a “canary in a coal mine” by being made more sensitive than the standard cells by using experimentally determined sensitive write V | 2012-06-28 |
20120163075 | NON-VOLATILE STORAGE DEVICE - There is provided a non-volatile storage device including: a bit line that is connected to a non-volatile storage element and is applied with a voltage of magnitude corresponding to the logic value stored in the storage element; a charging section that charges the bit line to a voltage of equivalent magnitude to the reference voltage; a voltage generation section that is connected between the reference voltage line and the bit line, comprises a capacitance load for generating coupling charge when charging by the charging section has been performed, and employs the capacitance load to generate a voltage according to a difference between the magnitude of the voltage of the reference voltage line and the magnitude of the voltage of the bit line as a voltage expressing the comparison result; and a charge absorbing section for absorbing the coupling charge generated by the capacitance load. | 2012-06-28 |
20120163076 | SINGLE CHECK MEMORY DEVICES AND METHODS - Memory devices and methods of operating memory devices are shown. Configurations described include circuits to perform a single check between programming pulses to determine a threshold voltage with respect to desired benchmark voltages. In one example, the benchmark voltages are used to change a programming speed of selected memory cells. | 2012-06-28 |
20120163077 | MULTI-LEVEL CELL NOR FLASH MEMORY DEVICE - A multi-level cell NOR flash memory device includes a plurality of gate lines, a plurality of source regions, a plurality of drain regions, a plurality of source lines, a plurality of bitlines, and a plurality of power lines. The bitlines each have a specific sheet resistance. A specific number of the bitlines are disposed between two adjacent ones of the power lines. Accordingly, the multi-level cell NOR flash memory device is of a high transconductance and uniformity and thereby features an enhanced conforming rate. | 2012-06-28 |
20120163078 | SEMICONDUCTOR MEMORY DEVICE CAPABLE OF SUPPRESSING PEAK CURRENT - A memory cell array includes a plurality of memory cells, in which n (n is a natural number equal to 3 or larger) cells are simultaneously written. A control circuit controls the memory cell array. A conversion circuit converts data constituted of k (k is equal to n or smaller, and is a natural number equal to 3 or larger) bits stored in the memory cells into data of h (h is equal to k or larger, and is a natural number equal to 2 or larger) bits on the basis of a conversion rule. | 2012-06-28 |
20120163079 | Programming Orders for Reducing Distortion Based on Neighboring Rows - A method for data storage includes predefining an order of programming a plurality of analog memory cells that are arranged in rows. The order specifies that for a given row having neighboring rows on first and second sides, the memory cells in the given row are programmed only while the memory cells in the neighboring rows on at least one of the sides are in an erased state, and that the memory cells in the given row are programmed to assume a highest programming level, which corresponds to a largest analog value among the programming levels of the cells, only after programming all the memory cells in the given row to assume the programming levels other than the highest level. Data is stored in the memory cells by programming the memory cells in accordance with the predefined order. | 2012-06-28 |
20120163080 | Reducing Distortion Using Joint Storage - A method for data storage includes predefining an order of programming a plurality of analog memory cells that are arranged in rows. The order specifies that for a given row having neighboring rows on first and second sides, the memory cells in the given row are programmed only while the memory cells in the neighboring rows on at least one of the sides are in an erased state, and that the memory cells in the given row are programmed to assume a highest programming level, which corresponds to a largest analog value among the programming levels of the cells, only after programming all the memory cells in the given row to assume the programming levels other than the highest level. Data is stored in the memory cells by programming the memory cells in accordance with the predefined order. | 2012-06-28 |
20120163081 | Nonvolatile Memory Devices - Nonvolatile memory devices including a memory cell array with a plurality of memory blocks and a plurality of bit lines arranged at the memory cell array. Each of the plurality of memory blocks may include a plurality of strings arranged in rows and columns and formed to be vertical to a substrate. Strings of each row of each memory block are connected with the bit lines, respectively, and strings of each column of each memory block are connected in common with a corresponding one of the bit lines. One memory block of the plurality of memory blocks includes a first region for storing ROM data and a second region for storing replica ROM data for repairing the ROM data. | 2012-06-28 |
20120163082 | MEMORY WITH SUB-BLOCKS - The apparatuses and methods described herein may comprise a memory array formed on a semiconductor substrate and including a plurality of cells associated with a plurality of word lines. The memory array may comprise a plurality of sub-blocks including a first sub-block and a second sub-block. Each sub-block may comprise a memory cell portion of the plurality of memory cells associated with a corresponding word line portion of the plurality of word lines. The memory cell portions in the first and second sub-blocks may be independently addressable with respect to each other such that a second operation can be performed on at least one memory cell of the memory cell portion of the second sub-block responsive to suspending a first operation directed to at least one memory cell of the memory cell portion of the first sub-block. | 2012-06-28 |