41st week of 2011 patent applcation highlights part 24 |
Patent application number | Title | Published |
20110249421 | Power Conversion Device - A power conversion device for a vehicle includes: a power module that includes a switching device and, upon operation of the switching device, converts DC power into AC power to be supplied to an electric machine for driving a vehicle; a capacitor module that includes a smoothing capacitor element, an input-side power source terminal for receiving DC power, and an output-side power source terminal for supplying DC power to the power module; and a noise removal capacitor for removing noise, wherein: the noise removal capacitor is built in the capacitor module, and the noise removal capacitor is electrically connected to the input-side power source terminal in a position where a distance between a connection position of the noise removal capacitor and the input-side power source terminal is less than a distance between a connection position of the noise removal capacitor and the output-side power source terminal of the capacitor module. | 2011-10-13 |
20110249422 | LIGHT EMITTING DEVICE USING FILTER ELEMENT - A light emitting device with at least one LED die, a filter element and a reflective element. The filter element may be configured to preferentially attenuate light passing through the filter element, such that light output has improved color uniformity when compared to similar light emitting devices without a filter element. | 2011-10-13 |
20110249423 | Lighting Keyboard - A lighting keyboard includes a light emitting module, a keyboard module and a masking film. The keyboard module is disposed on the light emitting module. The masking film is disposed between the light emitting module and the keyboard module. The masking film includes a first optical layer and a second optical layer. The first optical layer has several first openings. The second optical layer is disposed on a surface of the first optical layer. The surface of the first optical layer faces the light emitting module. A portion of the second optical layer is exposed from the first openings. A light shielding rate of the first optical layer is larger than a light shielding rate of the second optical layer. | 2011-10-13 |
20110249424 | LIGHT EMITTING DEVICE PACKAGE, BACKLIGHT UNIT, DISPLAY DEVICE AND LIGHTING DEVICE - There is provided a light emitting device package including: a package body providing a chip mounting area and including first and second lead terminals; an LED chip mounted on the chip mounting area and electrically connected to the first and second lead terminals; a groove portion disposed around the LED chip in the chip mounting area; and a wavelength conversion portion formed of a resin containing a wavelength conversion material with which to enclose the LED chip and having an outer shape defined by the groove portion. | 2011-10-13 |
20110249425 | CONFORMAL OLED LUMINAIRE WITH COLOR CONTROL - A luminaire, such as a lamp assembly or a floor lamp, umbrella, or planar or sheet-like like light emitting surface includes a conforming mechanism for selectively curving the light emitting surface. A convex profile will diffuse light while a concave profile will concentrate light, it being intended that the surface can be conformable up to a five inch (5″) radius of curvature in either direction. The light panel portions may be of the same color, or may be different colors that will result in different mixing of the light when made from different colors. | 2011-10-13 |
20110249426 | Auxiliary illuminating structure for hand tool - An illuminating structure for a hand tool contains a lamp comprised of a light seat, an illuminating set, a cover member, and two magnetic members, wherein the light seat includes a receiving portion disposed on a top surface thereof to receive the illuminating set, and includes a plurality of holes mounted on two sides thereof and communicating with the receiving portion, includes a slot mounted on a bottom surface thereof to receive the magnetic members, and the slot includes two bores fixed on two sides thereof individually and communicating with the receiving portion to connect with the illuminating set; the illuminating set is used to make light; the cover member is covered to the receiving portion; the magnetic member is a magnet made of metal material to conduct electricity and fixed to the slot so as to contact with the electrode conducting piece of the illuminating set. | 2011-10-13 |
20110249427 | Lighting Apparatus with a Boost - Lighting apparatus and structures are described to space electrical drivers from a light panel. In this way, a driver box housing the driver can be spaced from the light panel to communicate with pre-existing facilities (e.g. electrical wiring) and can serve the additional advantage of keeping the driver box out of standing water that may accumulate on the structure. | 2011-10-13 |
20110249428 | SIGHTING DEVICE - The invention relates to a sighting device, containing an elongate light source ( | 2011-10-13 |
20110249429 | METHODS AND APPARATUS FOR ATTACHING A VIEWING AID TO A VISUAL CONTENT SOURCE VIA INTERCHANGEABLE FASTENERS - Disclosed herein are viewing kits that can be assembled and coupled to visual content sources, such as e-readers, to facilitate viewing visual content. Example viewing kits include a viewing aid, which may include a light, lens, filter, or other implement, and an interchangeable fastener that can be removably coupled to the viewing aid using a slot-and-key interface or other suitable coupling mechanism. Either the fastener alone, or the fastener coupled together with the viewing aid, provides a deformable cavity that is shaped to clamp onto an edge of the e-reader. Inserting the e-reader into the cavity causes the fastener, which is made of resilient material, to bend outwards. In response, the fastener exerts a pinching force on the e-reader, creating a pressure fit that connects the viewing aid securely to the e-reader. | 2011-10-13 |
20110249430 | ILLUMINATING SAFETY AND NOTIFICATION DEVICE - A safety device comprises a light source, a power source coupled to the light source, a controller coupled to the light source and the power source to control operation of the lighting device, and a connection port that transmits and receives power up and control signals. In some embodiments, the connection port transmits and receives a wired signal. In further embodiments, the connection port transmits and receives a wireless signal. In some embodiments, the connection port receives a signal from an external source. In some of these embodiments, the external source is a remote control. In further embodiments, the external source is a program located on a computing device. In still further embodiments, the external source is one or more additional connection port of one or more additional safety devices. In some embodiments, the signal is a signal to power the light source. | 2011-10-13 |
20110249431 | LIGHT EMITTING DEVICE - A light emitting device includes: a light source unit which has a first and a second LED which are connected in parallel and emit lights of different colors, respectively. The lights of the first and the second LED are mixed to provide an emission light of the light source unit when an operating voltage is applied. The light source unit further has a resistor which is connected in series to the first LED to make forward current changing characteristics of the first and the second LED depending on change in the operating voltage to be different from each other, so that a required luminous flux-color temperature property, in which change in a color temperature of the emission light is made to depend on change in a luminous flux of the emission light, is obtained while the first and the second LED are turned on by applying the operating voltage. | 2011-10-13 |
20110249432 | Lighting Device with Variable Controls and Operation - A multi-spectrum emitting device is provided including one or more emitters configured to emit in a first spectrum and a second spectrum. Devices include a switching mechanism with at least two switching elements. The switching mechanism may be configured to require simultaneous activation of the at least two switching elements in order to change emissions from the first spectrum to the second spectrum. The first spectrum may be a non-visible light spectrum and the second spectrum may be a visible light spectrum. Devices may also include a tactile feedback mechanism that provides different tactile feedback for different emission modes of the device. | 2011-10-13 |
20110249433 | ILLUMINATION DEVICE WITH LIGHT EMITTING DIODES AND MOVEABLE LIGHT ADJUSTMENT MEMBER - A light emitting device is produced using one or more light emitting diodes within a light mixing cavity formed by surrounding sidewalls. The light emitting device includes a light adjustment member that is movable to alter the shape or color of the light produced by the light emitting device. For example, the light adjustment member may alter the exposure of the wavelength converting area to the light emitted that is emitted by the light emitting diode in the light mixing cavity. Alternatively, the height of a lens may be adjusted to change the width of the beam produced. Alternatively, a movable substrate with areas of different wavelength converting materials may adjustably cover the output port of the light mixing cavity to alter the color point of the light produced. | 2011-10-13 |
20110249434 | LIGHT ASSEMBLY - A light assembly includes a lighting module having a number of LEDs and a reflector assembly disposed on the lighting module. The reflector assembly includes a number of individual reflector portions, each reflector portion being of generally concave shape and structured to selectively direct light emitted from a respective one of the number of LEDs. A lens member is disposed over the reflector assembly and a membrane is disposed between the reflector member and the lens. | 2011-10-13 |
20110249435 | LENS SYSTEM FOR AN LED LUMINAIRE - Disclosed is an LED light sourced automated luminaire with an achromatic beam angle zoom lens. | 2011-10-13 |
20110249436 | HIGH BRIGHTNESS ILLUMINATION DEVICE USING DOUBLE-SIDED EXCITATION OF WAVELENGTH CONVERSION MATERIALS - An illumination devices using excitation light and a wavelength conversion material to generated converted light for illumination, where the wavelength conversion material is excited by multiple excitation lights from both sides to achieve increased brightness. The excitation lights incident on the two sides of the wavelength conversion material may have the same color or different colors. Light separation structures are provided on both sides of the wavelength conversion material to separate the excitation light and the converted light. Light separation may be based on color difference or etendue difference of the excitation light and converted light. In one particular example, wavelength conversion material is formed on a surface of an LED which acts as the first excitation light source, and a second excitation light is delivered through a light separation structure onto the other side of the wavelength conversion material. | 2011-10-13 |
20110249437 | HIGHLY EFFICIENT LED ARRAY MODULE WITH PRE-CALCULATED NON-CIRCULAR ASYMMETRICAL LIGHT DISTRIBUTION - A light module includes a light emitting diode (LED) array and a double-reflective assembly coupled to the LED array. The double-reflective assembly includes a lower member having a frame. The frame has an opening corresponding to the LED array. The frame and LED array are located in the same plane. The light module further includes a left bottom reflector and a right bottom reflector. The light module further includes an upper member which includes a left top reflector; and a right top reflector, wherein the left top reflector is attached to the left bottom reflector, and right top reflector is attached to the right bottom reflector, each forming an arbitrary left and right double-reflective assembly. A shape geometry and profile of each double-reflective assembly provides a pre-calculated combined non-circular asymmetrical intensity distribution pattern. The intensity distribution pattern is a superposition of light reflected from the bottom reflectors, light reflected from the top reflectors, light doubly reflected from both the top and bottom reflectors, and light directed into the intensity distribution pattern directly from the LED array. | 2011-10-13 |
20110249438 | LIGHT SOURCE MODULE AND LIGHTING DEVICE INCLUDING THE SAME - A light source module and lighting apparatus including the same capable of simply and variously realizing the light distribution angle and light distribution direction of a light source, which are suitable for a given lighting place and environment, without changing the structure of the light fixture of the lighting apparatus. | 2011-10-13 |
20110249439 | ILLUMINATION DEVICE - An illumination device includes a first illumination unit, a second illumination unit and a driving mechanism. The first illumination unit has a first illumination direction and the second illumination unit has a second illumination direction. The first and second illumination units are pivotally connected to the driving mechanism. The driving mechanism is capable of driving the first and second illumination units to rotate with respect to the driving mechanism. The illumination device can be operated in a first state and a second state. When the illumination device is operated in the first state, the first illumination direction does not intersect the second illumination direction. When the illumination device is operated in the second state, the first illumination direction intersects the second illumination direction. | 2011-10-13 |
20110249440 | LED LIGHTING SYSTEM - An LED lighting system comprising a housing, a divider, one or more LED strips including one or more light emitting diodes, and one or more end caps having at least one electrical terminal. The divider is disposed in the housing, the one or more LED strips is disposed on the divider; and the electrical terminal of the end caps is in electrical contact with the LED strips. In some embodiments, the end caps are adapted to engage a light socket, wherein the electrical terminal of the end caps is disposed between and in electrical contact with the LED strips and the light socket, and the light socket is in electrical contact with an electrical power source. In some embodiments, the electrical terminal defines a spring engagement between the end caps and the light socket, permitting the lighting system to rotate with respect to the light socket | 2011-10-13 |
20110249441 | LED REPLACEMENT KIT FOR HIGH INTENSITY DISCHARGE LIGHT FIXTURES - Disclosed is a kit for converting an existing high discharge light unit to an LED based light unit, with the option of including a networked capability among a group of LED light units. The kit includes a drop-in component mounting plate on which are mounted an LED light source, sensors including a thermal sensor, a control unit, a DC power supply, a heat sink, and a dimmer unit. A wireless transceiver allows the LED light units to operate as a network, with two way flow of information from the LED light units to a control unit. | 2011-10-13 |
20110249442 | ANIMATION WHEEL FOR AN AUTOMATED LUMINAIRE - Described is an animation wheel for an automated luminaire for quick and direct movement between different individual gobos or for positioning anywhere through a plate which substantially exceed the size of the light beam cross-section. | 2011-10-13 |
20110249443 | LAMP COOLING SYSTEM - Disclosed is a luminaire designed for differential cooling of lamp light sources to create increase the cooling of temperature sensitive sections of a lamp using a shaped heat mirror | 2011-10-13 |
20110249444 | HEAT DISSIPATION MEMBER, ELECTRO-OPTICAL DEVICE, AND ELECTRONIC APPARATUS - A heat dissipation member is disposed opposing a reflective light modulation element, and includes: a heat receiving surface that receives heat from the element; a heat dissipation surface; and heat dissipation fins that protrude from the heat dissipation surface. The fins are formed so that the density at which the fins are disposed is greater at the center area of the heat dissipation surface than at the end areas of the heat dissipation surface, or are formed so that the cross-sectional surface area of the fins is greater at the center area of the heat dissipation surface than at the end areas of the heat dissipation surface. | 2011-10-13 |
20110249445 | PARABOLIC REFLECTOR AND RELATIVE LED LIGHTING DEVICE - Axial symmetric parabolic reflector comprising an opening and which is positionable in a position in which it surround the at least a led lighting source for reflect and distribute in homogeneous way a light flux toward the opening. The axial symmetric parabolic reflector comprises a mask which is made integral with the same, besides the mask being positionable in proximity of the at least a led lighting source in a way to results substantially orthogonal to a longitudinal direction in order to avoid the direct eyesight of the at least a led lighting source through the opening. | 2011-10-13 |
20110249446 | OPTICAL ELEMENT FOR LATERAL LIGHT SPREADING IN EDGE-LIT DISPLAYS AND SYSTEM USING SAME - An illumination light unit has at least one light source that generates illumination light. The unit also includes a reflecting cavity having one or more reflectors and a controlled transmission mirror disposed at an output of the reflecting cavity. The controlled transmission mirror includes an input coupling element, an output coupling element and a first multilayer reflector disposed between the input and output coupling elements. At least some of the illumination light is reflected within the reflecting cavity by the one or more reflectors and is transmitted out of the reflecting cavity through the controlled transmission mirror. The illumination light unit may be used for generating light for space lighting, or for illuminating a display. For example, the unit may be used in a backlight to illuminate a lightguide placed behind a display panel. | 2011-10-13 |
20110249447 | LIGHT-GUIDING STRUCTURE OF TRANSLUCENT PRESS KEY - The present invention discloses a light-guiding structure of a translucent press key including a keypad region including a circular hollow area, and a diffuser and a light source module sequentially disposed below the keypad region. The light source module includes a reflective film and a light generating unit, in which the reflective film has a through hole formed at a position opposite to the middle of the circular hollow area, and the light generating unit is coupled to a control circuit of the keypad region and generates a light source to pass through the through hole. The light-guiding structure of a translucent press key of the present invention has the advantages of a low cost and highly uniform light distribution. | 2011-10-13 |
20110249448 | LIGHT-GUIDING MODULE - A light-guiding module includes a casing, a light-guiding body, a light source, and a light-abating element. The casing has an accommodating space and a light-emerging surface. The light-guiding body is received in the accommodating space of the casing and has a light-entering surface and a light-emerging surface. The light-emerging surface is located to correspond to the light-emerging surface of the casing. The light source is located to correspond to the light-entering surface of the light-guiding body. The light-abating element is located to correspond to the light-emerging surface of the light-guiding body, and the light-abating element may be located close to the light source. The light-abating element may be provided at a position which the light-guiding body is close to the light source, thereby making the light emerging from the light-guiding body to become more uniform and thus overcoming the problem that the brightness of light is uneven. | 2011-10-13 |
20110249449 | OPTICAL SEMICONDUCTOR DEVICE MODULE - An optical semiconductor device module comprises: a stem; an optical semiconductor device mounted on the stem; a cap fixed on the stem and covering the optical semiconductor device; a plastic lens fixed to the cap and collecting outgoing light from the optical semiconductor device; and a glass plate fixed to the cap and sealing the optical semiconductor device. | 2011-10-13 |
20110249450 | OLED LUMINAIRE HAVING INTENSITY SHAPING FOR OLED LIGHT SOURCE - An OLED luminaire | 2011-10-13 |
20110249451 | LIGHT FLUX CONTROLLING MEMBER, LIGHT EMITTING DEVICE, AND LIGHTING DEVICE - In the light flux controlling member ( | 2011-10-13 |
20110249452 | COMPOUND LIGHT CONDENSING APPARATUS - Provided is a compound light-condensing apparatus preferably including a lens body with refractive index n, and light-incident surface and light-ejected surface. The light-ejected surface has one set of Fresnel lens. When an incident light passes through the Fresnel lens structure, a focus with focal length F is formed. Two types of Fresnel lens structure are disposed on a light-ejected surface. More particularly, plural prism bodies are orderly disposed on the second type of Fresnel lens structure. The prism bodies counted from the central line is j and two adjacent prism bodies are spaced by p. The distance T | 2011-10-13 |
20110249453 | FRAME FOR LIGHT SOURCE DEVICE, LIGHT SOURCE DEVICE, AND DISPLAY DEVICE - A display device capable of preventing optical members and a display panel from getting in contact with each other and thus from getting a scratch while preventing luminosity at a border portion of the display panel from being lowered. A frame ( | 2011-10-13 |
20110249454 | RESETTABLE BREAK-AWAY JOINT FOR A POLE ASSEMBLY - A resettable break-away joint for a pole assembly includes a lower end of an upper pole member and an upper end of a lower pole member. A biasing mechanism urges the lower end of the upper pole member toward engagement with the upper end of the lower pole member to urge the upper pole member toward an upright position until the upper pole member is moved to a collapsed position. | 2011-10-13 |
20110249455 | LIGHT EMITTING DEVICE MODULE - A light emitting device module is provided comprising a light emitting device package and a board including first and second dummy pads and an electrode pad arranged between the first and second dummy pads, on which the light emitting device package is disposed, wherein at least one of the first and second dummy pads has a dummy hole, and wherein the electrode pad adjacent to at least one of the first and second dummy pads has an electrode hole. | 2011-10-13 |
20110249456 | STRUCTURE OF LAMP SUPPORT - One end of a lamp support is defined as a mounting end, and the other end is defined as a connecting end. The mounting end connects to a lamp box, and the connecting end connects to a lamp base. The mounting end of the lamp support has a through hole. The tip of the mounting end is bent to form a hook section. The lamp box has a mounting hole and a groove in a shape corresponding to the hook section. An inserting element is inserted into the through hole of the mounting end and the mounting hole of the lamp box, thereby mounting the lamp support onto the lamp box. The hook section of the mounting end correspondingly catches the groove of the lamp box, fixing the lamp support. | 2011-10-13 |
20110249457 | PLASMA LIGHT SOURCE AUTOMATED LUMINAIRE - Disclosed is a plasma light source automated luminaire | 2011-10-13 |
20110249458 | Illuminated Panel Portion and Method of Production Thereof - The present disclosure generally relates to panel portions of an apparatus or assembly with a translucent or semitranslucent portion for the illuminated display of visible designs or ghosted designs. More specifically, a panel or a method of producing a panel having a translucent portion for illumination of a selected design. A translucent portion is made in a nontranslucent panel by layering a composite having translucent properties on a weakened portion of the nontranslucent panel, then removing the weakened portion from the back and layering a second layer of composite with translucent properties. | 2011-10-13 |
20110249459 | VEHICLE LIGHT - A vehicle light can achieve the same or similar heat dissipation performance as that of a conventional vehicle light while having a smaller height than that of the conventional vehicle light, thereby improving space utilization efficiency for a limited installation space of a vehicle body. The vehicle light can include a housing, a cover lens attached to the housing to define a lighting chamber between itself and the housing. A heat dissipation member can be attached to the housing. An optical system can be disposed within the lighting chamber. The optical system can include a heat conduction member including an LED attached surface and a support member fixed to the LED attached surface at one end thereof and to the housing or the heat dissipation member at the other end thereof. An LED light source can be attached to the LED attached surface, and a reflector can be provided for receiving and reflecting light emitted from the LED light source towards the cover lens so that the reflected light passing through the cover lens forms a predetermined light distribution pattern. | 2011-10-13 |
20110249460 | VEHICLE HEADLIGHT - A vehicle headlight including a common light distribution unit and a variable light distribution unit and a headlight system including the headlight can form a common light distribution pattern and a variable light distribution pattern using the common and the variable light distribution units. The variable distribution unit can include a light source, a phosphor panel, a mirror reflecting/scanning light emitted from the light source onto the phosphor panel and a projector lens projecting the scanning light adjacent the common light distribution pattern. The headlight system can include a front sensor detecting a surrounding condition, and can control the common and the variable light distribution units to form an optimum light distribution pattern in accordance with surrounding conditions. Thus, the disclosed subject matter can provide a headlight system including a headlight that can form an optimum light distribution pattern in accordance with surrounding conditions and can have a simple structure. | 2011-10-13 |
20110249461 | VEHICLE HEADLAMP - A vehicle headlamp according to the present invention is provided with: a semiconductor-type light source | 2011-10-13 |
20110249462 | VEHICULAR LAMP - A vehicular lamp includes: a light-emitting element arranged face forward; and a translucent member arranged to cover the light-emitting element from its front side. The member has a horizontally oblong shape in a front view, and includes: a direct light control portion located near the optical axis and directly emitting light forward from a front surface of the member; reflected light control portions located both sides of the direct light control portion and internally reflecting the entered light on a rear surface of the member to form substantially parallel light directed forward and emitting the light forward from the front surface; and a curved-surface light incident area formed on the rear surface to allow light from the light-emitting element to enter as substantially parallel light with respect to a cross section parallel to the axis and a longitudinal direction of the member in the direction perpendicular to the cross section. | 2011-10-13 |
20110249463 | CONTROLLING DEVICE FOR A HEADLAMP'S HIGH AND LOW BEAM - A controlling device for a headlamp's high and low beam includes a fixing plate, a valve seat and a light-obstructing plate. The fixing plate is formed with a notch, and the valve seat is secured at one side of the fixing plate and installed therein with an electromagnetic valve having a valve rod positioned inside. The valve rod is fitted around with a spring, having its upper side mounted with a connecting plate with a slide groove. The light-obstructing plate, which has its lower central portion and lower two ends respectively disposed with two pivotal members. The two pivotal members respectively have a pivotal hole, pivotally assembled with the pivotal plate of the valve seat and the connecting plate of the valve rod by rivets. Thus, the light-obstructing plate can be actuated by the valve rod to shift for controlling a light projecting range of a headlamp. | 2011-10-13 |
20110249464 | ASSEMBLY FOR A LIGHTING AND/OR SIGNALLING DEVICE OF AN AUTOMOTIVE VEHICLE - An assembly for a lighting and/or signalling device of an automotive vehicle. The assembly has a bracket or support, in particular made of plastic, comprising a housing, and a motor, in particular a stepping motor, arranged so as to be able to be permanently mounted, directly, in the bracket or support housing. | 2011-10-13 |
20110249465 | Directional safety mirror "flasher" - The Directional Safety Mirror, “Flasher” unit has been designed for mounting on a commercial vehicle such as a heavy haul truck, commercial truck, or buses. An additional side view mirror assembly for security to each side of an associated commercial vehicle. | 2011-10-13 |
20110249466 | Wind-Driven Light-Emitting Device - A wind-driven light-emitting device comprises a housing, a first shaft sleeving member, a second shaft sleeving member and a plurality of blades. The blades are coupled to a first shaft. The first shaft has a first speed-change gear driving a second speed-change gear of a rotating second shaft. The second shaft has a magnetic element. The second shaft sleeving member has a coil connected with a circuit. The circuit is connected to a plurality of light-emitting (or light-guiding) elements arranged on the blades. When the device is windward, wind propels the blades to rotate. Thus, the magnetic element of the second shaft is rotated to induce voltage on the coil. The circuit rectifies, boosts, stabilizes and regulates the power to drive the light-emitting (or light-guiding) elements. Thereby, the present invention provides a decorative lighting effect without using any external electric power. | 2011-10-13 |
20110249467 | LIGHT EMITTING DEVICE CREATING DECORATIVE LIGHT EFFECTS IN A LUMINAIRE - The present invention relates to a light emitting device ( | 2011-10-13 |
20110249468 | LIGHT EMITTING DEVICE AND LIGHT EMITTING DEVICE PACKAGE - A light emitting device includes a light emitting structure comprising a first conductivity type semiconductor layer, a second conductivity type semiconductor layer and an active layer disposed between the first conductivity type semiconductor layer and the second conductivity type semiconductor layer to emit a light of a first wavelength; and a re-emission layer disposed on the light emitting structure, the re-emission layer comprising a nitride semiconductor, wherein the re-emission layer absorbs the light of the first wavelength range and the re-emission layer emits a light of a second wavelength range longer than the first wavelength range, and the re-emission layer is configured of multi layers having different indium (In) compositions, respectively, and the indium content in the multi-layer is largest in a top layer of the multi-layers. | 2011-10-13 |
20110249469 | LIGHT SOURCE UNIT AND BACKLIGHT ASSEMBLY HAVING THE SAME - Provided are a light source unit including a plurality of light-emitting diode (LED) packages, which are directly electrically connected to each other, and a backlight assembly having the light source unit. The light source unit includes a first LED package and a second LED package which are adjacent to each other, wherein each of the first LED package and the second LED package includes an LED chip, a lead frame which supplies current to the LED chip, and a housing which fixes the LED chip and the lead frame in place, wherein an end of the lead frame of the first LED package directly contacts an end of the lead frame of the second LED package. | 2011-10-13 |
20110249470 | BACKLIGHT MODULE - A backlight module includes a light guide plate, a back plate, a heat-dissipating element, a light-emitting element, and at least one high-performance heat sink. The heat-dissipating element is disposed adjacent to a light incident surface of the light guide plate, and the heat-dissipating element has a bottom portion and a side portion forming an angle with the bottom portion. The light-emitting element is disposed on one side of the heat-dissipating element facing the light guide plate. The high-performance heat sink is disposed on the back plate, one end of the high-performance heat sink overlaps the heat-dissipating element, and another end of the high-performance heat sink extends away from the light-emitting element. | 2011-10-13 |
20110249471 | METHOD AND APPARATUS FOR ACHIEVING ZERO AC-DRAW MODE FOR A DEVICE - The disclosure describes a processing system with a soft power switch assembly configured to include a zero-power off mode that would allow an off state with no power drain by the device while maintaining all other soft power off mode capabilities, including low power modes, (e.g., sleep, hibernation modes). The processing system can be restored from the zero-power off mode using the same actuation mechanism used when switching from a power on mode to a soft power off mode. | 2011-10-13 |
20110249472 | PWM CONTROL OF DUAL ACTIVE BRIDGE CONVERTERS - A Dual Active Bridge (DAB) converter and a Pulse Width Modulation (PWM) scheme for controlling the DAB converter are disclosed. In general, the DAB converter includes a transformer, a first H-bridge that is connected to a primary winding of the transformer and controlled via first control signals, and a second H-bridge that is connected to a secondary winding of the transformer and controlled via second control signals. A controller provides the first and second control signals based on an input-to-output voltage ratio and load of the DAB converter such that, in addition to phase shift control, PWM control is simultaneously applied to both the first H-bridge and the second H-bridge when the DAB converter operates at low power and PWM control is applied to only one of the first H-bridge and the second H-bridge when the DAB converter operates above low power. | 2011-10-13 |
20110249473 | RESONANT CONVERTING DEVICE, AND CONTROL MODULE AND METHOD FOR CONTROLLING A RESONANT CONVERTER - A method for controlling operation of a resonant converter is to be implemented by a control module that generates a drive signal for controlling a power switch of the resonant converter to thereby control an output voltage and an output current provided by the resonant converter to a load. The method includes: (A) configuring the control module to determine if the load is operating in a first mode or a second mode; (B) configuring the control module to generate the drive signal according to the output voltage when the control module determines that the load is operating in the first mode; and (C) configuring the control module to generate the drive signal according to the output current when the control module determines that the load is operating in the second mode. | 2011-10-13 |
20110249474 | METHOD AND APPARATUS FOR POWER CONVERSION USING AN INTERLEAVED FLYBACK CONVERTER WITH ALTERNATING MASTER AND SLAVE BRANCHES - Embodiments of the present invention generally relate to power conversion and, more particularly, to a method and apparatus for performing power conversion using an interleaved flyback converter with alternating master and slave branches. The apparatus comprises a plurality of parallel connected flyback circuits; a controller is coupled to the switches within the flyback circuits to turn-on and turn-off the plurality of flyback circuits; a current monitor element at the output connected to the controller; a voltage monitor element connected to the controller; based on monitored current and voltage the controller controls the operation of flyback circuit; slave circuit only turn-on when the power is higher than a threshold value; the master and slave circuits are alternating to even the usage of the circuits. | 2011-10-13 |
20110249475 | GRID-CONNECTED INVERTER - A grid-connected inverter includes first and second power conversion circuits, a contactor and a control circuit. The first conversion circuit converts a first DC voltage to a second DC voltage. The second conversion circuit converts the second DC voltage to an AC voltage. The contactor connects an output side of the second conversion circuit to a power system. The control circuit includes a decision circuit and controls start and stop operations of the conversion circuits, and opening and closing of the contactor. The decision circuit decides whether a condition of the contactor is abnormal by detecting, after the control circuit controls the contactor to be open, whether or not a value of the second DC voltage is less than a threshold value, and if the value of the second DC voltage is detected to be not less than the threshold value, decides that the condition of the contactor is abnormal. | 2011-10-13 |
20110249476 | VOLTAGE DETECTOR AND PROTECTION APPARATUS USING THE SAME - A voltage detector includes a zener diode having a cathode connected to a detect terminal of the voltage detector, a junction field effect transistor having an input terminal connected to an anode of the zener diode, and a resistor connected between an output terminal and a control terminal of the junction field effect transistor. When the voltage on the detect terminal is higher than the breakdown voltage of the zener diode, the junction field effect transistor produces a current flowing through the resistor, and thereby a detection signal can be obtained from the voltage across the resistor. | 2011-10-13 |
20110249477 | BRIDGE CIRCUITS AND THEIR COMPONENTS - A half bridge is described with at least one transistor having a channel that is capable in a first mode of operation of blocking a substantial voltage in at least one direction, in a second mode of operation of conducting substantial current in one direction through the channel and in a third mode of operation of conducting substantial current in an opposite direction through the channel. The half bridge can have two circuits with such a transistor. | 2011-10-13 |
20110249478 | POWER OUTPUT STAGE FOR A PULSE-CONTROLLED INVERTER - A power output stage for a pulse-controlled inverter includes a half-bridge. The half-bridge has a control terminal and power terminals. The power terminals include a terminal for a positive supply voltage, a terminal for a negative supply voltage and a phase voltage terminal. In particular, the power output stage has two half-controlled half-bridges, whose power terminals are connected in parallel, and whose control terminals are not connected to one another. | 2011-10-13 |
20110249479 | METHOD OF CONTROLLING AN INVERTER OF NPC TYPE - The invention relates to a method of controlling a multilevel inverter of NPC (Neutral Point Clamped) type. The method consists in particular in regulating the electrical potential of the mid-point when the inverter operates at full voltage, that is to say in overmodulation. In this case, the method firstly consists in determining the position of the control voltage vector (U) in one of the six identical triangles covering the hexagonal vector space and thereafter in decomposing the control voltage vector (U) in the triangle by taking account of the control combinations, defined in this triangle, for the switching arms. | 2011-10-13 |
20110249480 | NONVOLATILE MEMORY DEVICE - Disclosed is a nonvolatile memory device including a memory cell array including main and redundant memory cells, content addressable memory cells configured to store a defective column address corresponding to a defective memory cell among the main cells, and a repair controller configured to compare the defective column address with an input address to generate a matching control signal and generate a redundancy check-enable signal when the defective column address is inputted as the input address and configured to generate a repair control signal in response to the matching control signal and the redundancy check-enable signal. | 2011-10-13 |
20110249481 | Generating ROM bit cell arrays - A method of generating a ROM bit cell array layout is provided, the method comprising the steps of: inputting a predetermined memory architecture having a predetermined positioning of bit lines and virtual ground lines, said memory architecture comprising a plurality of columns of memory cells, each column of memory cells being located between its own associated bit line and its own associated virtual ground line, and adjacent memory cells in each column of memory cells sharing a common connection to either said associated bit line or said associated virtual ground line; evaluating a possible range of width of active area of each of said columns of memory cells, in dependence on said predetermined positioning of bit lines and virtual ground lines; selecting a final width of active area in dependence on at least one performance characteristic associated with said final width of active area; and generating said ROM bit cell array layout according to said final width of active area. Thus the system designer can reuse an existing memory architecture, yet still retain an advantageous degree of flexibility with regard to performance characteristic selection of the final ROM bit cell array. | 2011-10-13 |
20110249482 | SEMICONDUCTOR MEMORY DEVICE - According to one embodiment, a semiconductor memory device includes a first active area in a semiconductor substrate, memory cells on the semiconductor substrate, first bit lines, first line, a second line, a third line, and a fourth line. The first line extends in a direction that intersects with the first bit lines and transmits a control potential applied to unselected ones of second bit lines connected to the memory cells. The second line is electrically connected to the first line and extends along the first bit lines. The third line is electrically connected to the second line and extends in a direction that intersects with the first bit lines. The fourth line electrically connects both the third line and portions in the active area corresponding to nodes to which the control potential is applied. | 2011-10-13 |
20110249483 | STACKED MEMORY DEVICE HAVING INTER-CHIP CONNECTION UNIT, MEMORY SYSTEM INCLUDING THE SAME, AND METHOD OF COMPENSATING FOR DELAY TIME OF TRANSMISSION LINE - A stacked semiconductor memory device is provided which includes a first memory chip including a first transmission line, a second transmission line, and a logic circuit configured to execute a logic operation on a first signal of the first transmission line and a second signal of the second transmission line. The stacked semiconductor memory device further includes a second memory chip stacked over the first memory chip, an inter-chip connection unit electrically coupled between the second memory chip and the first transmission line of the first memory chip, and a dummy inter-chip connection unit electrically coupled to the second transmission line of the first memory chip and electrically isolated from the second memory chip. | 2011-10-13 |
20110249484 | SEMICONDUCTOR MEMORY DEVICE - An object is to provide a semiconductor memory device which stores data with the use of a transistor having small leakage current between a source and a drain in an off state as a writing transistor. In a matrix including a plurality of memory cells, gates of the writing transistors are connected to writing word lines. In each of the memory cells, a drain of the writing transistor is connected to a gate of a reading transistor, and the drain is connected to one electrode of a capacitor. Further, the other electrode of the capacitor is connected to a reading word line. In the semiconductor memory device in which the memory cells are connected in series so as to have a NAND structure, gates of the reading transistors are provided alternately, and the reading word line and the writing word line are shared. | 2011-10-13 |
20110249485 | RESISTANCE-CHANGE MEMORY - According to one embodiment, a resistance-change memory includes bit lines running in a first direction, word lines running in a second direction, and a memory cell array includes memory cells each includes a selection transistor and a variable resistance element. In a layout of first to fourth variable resistance elements arranged in order in the first direction, the first variable resistance element and the second variable resistance element sandwich one word line therebetween, the third variable resistance element and the fourth variable resistance element sandwich one word line therebetween, a first pair includes the first and second variable resistance elements and a second pair includes the third and fourth variable resistance elements sandwich two word lines therebetween, and a column is constructed by repeating the layout in the first direction. | 2011-10-13 |
20110249486 | RESISTANCE VARIABLE MEMORY APPARATUS - A resistance variable memory apparatus ( | 2011-10-13 |
20110249487 | SEMICONDUCTOR MEMORY DEVICE AND SEMICONDUCTOR DEVICE - A semiconductor memory device or a semiconductor device which has high reading accuracy is provided. A bit line, a word line, a memory cell placed in an intersection portion of the bit line and the word line, and a reading circuit electrically connected to the bit line are provided. The memory cell includes a first transistor and an antifuse. The reading circuit includes a pre-charge circuit, a clocked inverter, and a switch. The pre-charge circuit includes a second transistor and a NAND circuit. The semiconductor memory device includes transistor in each of which an oxide semiconductor is used in a channel formation region, as the first transistor and the second transistor. | 2011-10-13 |
20110249488 | Data Cells with Drivers and Methods of Making and Operating the Same - Disclosed are methods and devices, among which is a device that includes a first semiconductor fin having a first gate, a second semiconductor fin adjacent the first semiconductor fin and having a second gate, and a third gate extending between the first semiconductor fin and the second semiconductor fin. In some embodiments, the third gate may not be electrically connected to the first gate or the second gate. | 2011-10-13 |
20110249489 | Nanowire Circuits in Matched Devices - An inverter device includes a first nanowire connected to a voltage source node and a ground node, a first p-type field effect transistor (pFET) device having a gate disposed on the first nanowire, and a first n-type field effect transistor (nFET) device having a gate disposed on the first nanowire. | 2011-10-13 |
20110249490 | Asymmetric Write Scheme for Magnetic Bit Cell Elements - Asymmetric switching is defined for magnetic bit cell elements. A magnetic bit cell for memory and other devices includes a transistor coupled to an MTJ structure. A bit line is coupled at one terminal of the bit cell to the MTJ structure. At another terminal of the bit cell, a source line is coupled to the source/drain terminal of the transistor. The bit line is driven by a bit line driver that provides a first voltage. The source line is driven by a source line driver that provides a second voltage. The second voltage is larger than the first voltage. The switching characteristics of the bit cell and MTJ structure are improved and made more reliable by one or a combination of applying the higher second voltage to the source line and/or reducing the overall parasitic resistance in the magnetic bit cell element. | 2011-10-13 |
20110249491 | METHOD AND APPARATUS FOR PROGRAMMING A MAGNETIC TUNNEL JUNCTION (MTJ) - A method of writing to magnetic tunnel junctions (MTJs) of a magnetic memory array includes storing in-coming data in a cache register, reading the present logic state of a first one of a set of at least two MTJs, the set of at least two MTJs including the first MTJ and a second MTJ. The in-coming data is to be written into the second MTJ. Further steps are storing the read logic state into a data register, swapping the contents of the data register and the cache register so that the cache register stores the read logic state and the data register stores the in-coming data, applying a first predetermined voltage level to the set of MTJs thereby causing the first MTJ to be over-written, applying a second predetermined voltage level to the set of MTJs, and storing the in-coming data into the second MTJ. | 2011-10-13 |
20110249492 | SEMICONDUCTOR STORAGE DEVICE AND BOOSTING CIRCUIT - A boosting circuit includes a clock control circuit which outputs a first reference clock signal by controlling the clock signal, and which outputs a second reference clock signal having a same period as that of the first reference clock signal, the second reference clock signal shifted in phase from the first reference clock signal. The boosting circuit includes a first pump clock generation circuit which outputs the first reference clock signal which is input thereto, as a first pump clock signal in accordance with a first pump flag signal. The boosting circuit includes a second pump clock generation circuit which outputs the second reference clock signal which is input thereto, as a second pump clock signal in accordance with a second pump flag signal. The boosting circuit includes a first charge pump which boosts an input voltage in accordance with the first pump clock signal. The boosting circuit includes a second charge pump which boosts an input voltage in accordance with the second pump clock signal. | 2011-10-13 |
20110249493 | NAND FLASH MEMORY - In a state in which a first and second selection gate transistors are turned off and a first voltage is applied to a control gate of a second memory cell transistor which is connected to a source line side of a first memory cell transistor selected from among the memory cell transistors and which is to be cut off, a second voltage which is higher than the first voltage and which causes a plurality of third memory cell transistors remaining unselected in the memory cell transistors to conduct is applied to control gates of the third memory cell transistors, and thereafter a threshold voltage of the first memory cell transistor is changed to a threshold voltage higher than the first threshold voltage corresponding to the erase state by applying a third voltage which is higher than the second voltage to a control gate of the first memory cell transistor. | 2011-10-13 |
20110249494 | MULTIPLE SELECT GATES WITH NON-VOLATILE MEMORY CELLS - Multiple select gates in association with non-volatile memory cells are described. Various embodiments include multiple select gate structure, process, and operation and their applicability for memory devices, modules, and systems. In one embodiment a memory array is described. The memory array includes a number of select gates coupled in series to a number of non-volatile memory cells. A first select gate includes a control gate and a floating gate electrically connected together and a second select gate includes a control gate and a floating gate which are electrically separated by a dielectric layer. | 2011-10-13 |
20110249495 | NON-VOLATILE MEMORY DEVICE, OPERATION METHOD THEREOF, AND DEVICES HAVING THE NON-VOLATILE MEMORY DEVICE - A non-volatile memory device is provided. The non-volatile memory device includes a memory cell array including a plurality of multi-level cells each storing data corresponding to one of a plurality of states of a first group of states, and a control circuit. The control circuit configured to program data corresponding to one of the plurality of states in a first multi-level cell according to a first verify voltage level of a first group of verify voltage levels, and to control the first multi-level cell to be re-programmed to one of a plurality of states of a second group of states according to a first verify voltage level of a second group of verify voltage levels. Each voltage level of the second group of verify voltage levels has a higher level than the verify voltage levels of the first group of verify voltage levels. One of the plurality of states of the second group of states includes at least one of the plurality of states of the first group of states. | 2011-10-13 |
20110249496 | PROGRAM METHOD OF MULTI-BIT MEMORY DEVICE AND DATA STORAGE SYSTEM USING THE SAME - Provided is a program method of a multi-bit memory device with memory cells arranged in rows and columns. The program method includes a programming each memory cell of the first group of memory cells to a state within a first group of states according to a verify voltage level of a first group of verify voltage levels within a first range of levels, and programming each memory cell of the second group of memory cells to a state within a second group of states according to a verify voltage level of a second group of verify voltage levels within a second range of levels. The lowest verify voltage level in the second range of levels is higher than the highest verify voltage level in the first range of levels. A first voltage difference between adjacent verify voltage levels within the first range of levels is different from a second voltage difference between the highest verify voltage level of the second group of verify voltage levels and the lowest verify voltage level of the third group of verify voltage levels. | 2011-10-13 |
20110249497 | STACKED PACKAGE OF SEMICONDUCTOR DEVICE - Provided is a nonvolatile memory device. The nonvolatile memory device includes a substrate including a first region and a second region, which are spaced from each other. A string line group is disposed on the substrate in the first region, and a bias interconnection group is disposed above the substrate in the second region. The bias interconnection group includes a string select bias interconnection, cell bias interconnections, and a ground select bias interconnection, which are respectively electrically connected to a string select line, word lines, and a ground select line within the string line group. The string select bias interconnection is disposed between the ground select bias interconnection and the cell bias interconnections within the bias interconnection group. | 2011-10-13 |
20110249498 | THREE-DIMENSIONALLY STACKED NONVOLATILE SEMICONDUTOR MEMORY - A three-dimensionally stacked nonvolatile semiconductor memory of an aspect of the present invention including conductive layers stacked on a semiconductor substrate in such a manner as to be insulated from one another, a bit line which is disposed on the stacked conductive layers, a semiconductor column which extends through the stacked conductive layers, word lines for which the stacked conductive layers except for the uppermost and lowermost conductive layers are used and which have a plate-like planar shape, memory cells provided at intersections of the word lines and the semiconductor column, a register circuit which has information to supply a potential suitable for each of the word lines, and a potential control circuit which reads the information retained in the register circuit in accordance with an input address signal of a word line and which supplies a potential suitable for the word line corresponding to the address signal. | 2011-10-13 |
20110249499 | Integrated Circuit Including Memory Array Having a Segmented Bit Line Architecture and Method of Controlling and/or Operating Same - An integrated circuit device (e.g., a logic device or a memory device) having a memory cell array including a plurality of bit lines (e.g., first and second bit lines) and a plurality of bit line segments (e.g., first and second bit line segments) wherein each bit line segment is selectively and responsively coupled to or decoupled from its associated bit line via an associated isolation circuit. The memory cell array further includes a plurality of memory cells, wherein each memory cell includes a transistor having a first region, a second region, a body region, and a gate coupled to an associated word line via an associated word line segment. A first group of memory cells is coupled to the first bit line via the first bit line segment and a second group of memory cells is coupled to the second bit line via the second bit line segment. A plurality of isolation circuits, disposed between each bit line segment and its associated bit line, to responsively couple the associated bit line segment to or disconnect the associated bit line segment from the associated bit line. | 2011-10-13 |
20110249500 | NONVOLATILE MEMORY DEVICE AND METHOD FOR FABRICATING THE SAME - A nonvolatile memory device includes a unit cell with a transistor and a capacitor. The transistor is disposed on a substrate having a tunneling region and a channel region and includes a floating gate crossing both the tunneling region and the channel region. The capacitor is coupled to the floating gate. | 2011-10-13 |
20110249501 | DYNAMIC POLARIZATION FOR REDUCING STRESS INDUCED LEAKAGE CURRENT - Subject matter disclosed herein relates to non-volatile flash memory, and more particularly to a method of reducing stress induced leakage current. | 2011-10-13 |
20110249502 | SEMICONDUCTOR DEVICE - The semiconductor device includes the read circuit which reads data written to a memory cell. The read circuit includes a first transistor, a second transistor, a first switch, and a second switch. A first terminal of the first transistor is electrically connected to a gate of the first transistor, and a second terminal of the first transistor is electrically connected to an output from the read circuit via the first switch. A first terminal of the second transistor is electrically connected to a gate of the second transistor, and a second terminal of the second transistor is electrically connected to the output from the read circuit via the second switch. A channel formation region of the first transistor can be formed using an oxide semiconductor, and a channel formation region of the second transistor can be formed using silicon. | 2011-10-13 |
20110249503 | SELECT GATE PROGRAMMING IN A MEMORY DEVICE - Methods for programming select gates, memory devices, and memory systems are disclosed. In one such method for programming, a program inhibit voltage is transferred from a source line to unselected bit lines. Bit line-to-bit line capacitance, between the unselected bit lines and selected bit lines to be program inhibited, boosts the bit line voltage of the selected, inhibited bit lines to a target inhibit voltage. In one embodiment, the voltage on the selected, inhibited bit line can be increased in a plurality of inhibit steps whereby either one, two, or all of the steps can be used during the programming of unprogrammed select gates. | 2011-10-13 |
20110249504 | SAW-SHAPED MULTI-PULSE PROGRAMMING FOR PROGRAM NOISE REDUCTION IN MEMORY - In a memory system, a programming waveform reduces program noise by using sets of multiple adjacent sub-pulses which have a saw-tooth shape. In a set, an initial sub-pulse steps up from an initial level such as 0 V to a peak level, then steps down to an intermediate level, which is above the initial level. One or more subsequent sub-pulses of the set can step up from an intermediate level to a peak level, and then step back down to an intermediate level. A last sub-pulse of the set can step up from an intermediate level to a peak level, and then step back down to the initial level. A verify operation is performed after the set of sub-pulses. The number of sub-pulses per set can decrease in successive sets until a solitary pulse is applied toward the end of a programming operation. | 2011-10-13 |
20110249505 | METHOD OF PROGRAMMING A SEMICONDUCTOR MEMORY DEVICE - A method of programming a semiconductor memory device by applying a program voltage to a selected word line in an incremental step pulse program mode includes raising a voltage of precharging a bit line for program inhibition according to an increase in the program voltage applied to the selected word line. | 2011-10-13 |
20110249506 | SEMICONDUCTOR STORAGE DEVICE - A semiconductor storage device according to an embodiment includes a plurality of memory cells which electrically rewrite data by controlling the amount of charges accumulated in a floating gate formed on a well through a tunnel insulating film. The semiconductor storage device includes a well control circuit which outputs an erasure voltage to be applied to the well through an output terminal. The semiconductor storage device includes a first pump circuit which outputs a voltage set by boosting an input voltage to the output terminal. The semiconductor storage device includes a second pump circuit which outputs a voltage set by boosting the input voltage to the output terminal and outputs a voltage higher than an output voltage of the first pump circuit. The semiconductor storage device includes a pump switching detecting circuit which outputs an assist signal to perform a boosting operation on at least one of the first pump circuit and the second pump circuit. The semiconductor storage device includes an erase pulse control circuit which sets target voltages of the first pump circuit and the second pump circuit, on the basis of setting values to set a target voltage of the erasure voltage. | 2011-10-13 |
20110249507 | SENSING MEMORY CELLS - The present disclosure includes methods, devices, modules, and systems for operating memory cells. One method embodiment includes applying a ramping voltage to a control gate of a memory cell and to an analog-to-digital converter (ADC). The aforementioned embodiment of a method also includes detecting an output of the ADC at least partially in response to when the ramping voltage causes the memory cell to trip sense circuitry. | 2011-10-13 |
20110249508 | NONVOLATILE SEMICONDUCTOR STORAGE DEVICE - According to one embodiment, a semiconductor storage device includes a memory string, a bit line, a sense simplifier, a first MOS, a first charging-circuit, a second-charging circuit, and a controller. The memory string includes memory cells. The bit line is connected to the memory cell. The sense amplifier applies a voltage to the bit line. The first MOS is electrically connected between the sense amplifier and bit line. The first charging circuit has a first current supply capacity and transfers a first current. The second charging-circuit has a second current supply capacity. The controller controls a first timing to switch from the first current to the second current. | 2011-10-13 |
20110249509 | SEMICONDUCTOR MEMORY DEVICE CAPABLE OF EXECUTING HIGH-SPEED PAGE COPY - According to one embodiment, a semiconductor memory device includes a memory cell array, first and second data caches, and a control circuit. The control circuit is configured to control, with use of the first and second data caches, a read operation of reading data from the selected memory cell of the memory cell array, and a write operation of writing data in the selected memory cell of the memory cell array. The control circuit is configured to execute, at a time of the read operation, an arithmetic operation of the data held in the first data cache by using the first and second data caches, and to generate the data which is to be written in the selected memory cell. | 2011-10-13 |
20110249510 | EMBEDDED STORAGE APPARATUS AND TEST METHOD THEREOF - An embedded storage apparatus including a control unit, a storage unit, and a signal processing and measurement unit is provided. The control unit outputs a plurality of signals, wherein the signals include a mode selection signal and a plurality of control signals. The storage unit is controlled by the control unit to read a data from a predetermined address. The storage unit has a plurality of output terminals. The signal processing and measurement unit has a plurality of input terminals and a plurality of output terminals, wherein the input terminals are connected to the output terminals of the storage unit. The signal processing and measurement unit reads the data from the output terminals and determines whether to perform a predetermined processing on the data according to the mode selection signal. After that, the signal processing and measurement unit outputs the data through the output terminals. | 2011-10-13 |
20110249511 | SEMICONDUCTOR DEVICE - A semiconductor device includes a termination driver for driving a data line with a predetermined termination level by using an external power supply voltage and a drive current controller for controlling a drive current flowing into the data line from the termination driver in response to a voltage level of the external power supply voltage. | 2011-10-13 |
20110249512 | MEMORY CHIP AND MULTI-CHIP PACKAGE - A memory chip includes:
| 2011-10-13 |
20110249513 | TRANSMITTING/RECEIVING METHODS AND SYSTEMS WITH SIMULTANEOUS SWITCHING NOISE REDUCING PREAMBLES - DC balance encoded data is transmitted by transmitting a preamble of dummy data that is configured to provide an intermediate number of bits of a given logic value that is at least one bit of the given logic value but less than a maximum number of bits of the given logic value in the DC balance encoded data, to thereby reduce the simultaneous switching noise that is caused by transmission of a first word of DC balance encoded data. The preamble may contain one or more words of fixed and/or variable dummy data. | 2011-10-13 |
20110249514 | METHODS AND APPARATUS FOR STROBE SIGNALING AND EDGE DETECTION THEREOF - A data system component having a state machine circuit and receivers that utilize high and low threshold signals permits accurate detection of strobe signal pattern edges such as those for preamble, burst and post-amble conditions in the strobe signal. The state machine circuit may then be configured to set conditions associated with further circuit elements such as for power saving, data reception, on-die termination, etc. based on the conditions detected in the strobe signal to improve data or memory system performance. The components may be implemented as part of memory controllers and/or memory such as a dynamic random access memory and used in memory read and write operations. | 2011-10-13 |
20110249515 | DIMM Memory Module Reference Voltage Switching Circuit - A non-volatile memory module includes a volatile memory circuit and a reference voltage generator coupled to supply a reference voltage to the volatile memory circuit. The reference voltage provides a level by which the volatile memory and external devices may communicate reliably at high speeds. The reference voltage is applied to an external interface of the non-volatile memory module through an isolation circuit. A control circuit coupled to the isolation interface and to a circuit which is adapted to detect when the non-volatile memory module no longer draws power from an external source. | 2011-10-13 |
20110249516 | INTERNAL VOLTAGE GENERATION DEVICE - An internal voltage generation device is disclosed which includes an internal voltage generator operated in response to an enable signal, the internal voltage generator generating an internal voltage using a reference voltage, and a sub-voltage generator for driving an output terminal of the internal voltage generator to a predetermined voltage level in response to a control signal. | 2011-10-13 |
20110249517 | WORDLINE DRIVING CIRCUIT OF SEMICONDUCTOR MEMORY DEVICE - Wordline driving circuit of semiconductor memory device includes a bias generator configured to generate a threshold bias voltage for accessing data, an over-driver configured to increase the threshold bias voltage at an initial stage of a data accessing operation and a wordline driver configured to activate a wordline in response to the threshold bias voltage and a signal output from the over-driver. | 2011-10-13 |
20110249518 | Circuits, Systems, and Methods for Dynamic Voltage Level Shifting - Dynamic voltage level shifting circuits, systems and methods are disclosed. A level shifting circuit comprises an input for accepting a first discrete voltage level to be shifted, a level shifting portion coupled to the input and to a second discrete voltage level, an enable portion having an enable input and coupled to the level shifting portion and an output. The level shifting circuit is configured to translate the data input at the first discrete voltage level into a second discrete voltage level. The enable portion is configured to selectively provide either the second discrete voltage level to the output or decouple at least a portion of the level shifting portion from the output based on the enable input. | 2011-10-13 |
20110249519 | DATA REPRODUCTION CIRCUIT - This is a data reproduction circuit for receiving data and reproducing the data and its clock which has an over-sampling determination circuit for sampling the received data by a clock with frequency higher than the data rate of the received data and converting the sampled data into digital signals, a circuit for selecting and outputting the reproduced data, a phase error detection circuit for detecting a phase error from its timing deviation with the received data, based on the reproduced clock, a data selection circuit for adjusting its phase, based on the output of the phase error detection circuit, a phase adjustment circuit for adjusting the phase of the reproduced clock to reproduce a new clock and a clock generation circuit for supplying the over-sampling determination circuit and the data selection circuit with the newly reproduced clock. | 2011-10-13 |
20110249520 | DATA STROBE SIGNAL OUTPUT DRIVER FOR A SEMICONDUCTOR MEMORY APPARATUS - A data strobe signal output driver includes a trigger block, a predriver block, and a main driver block. The trigger block is configured to receive a first signal, a second signal, a first clock and a second clock, and to output a predrive signal based thereon. The predriver block is configured to receive the predrive signal, a driver off signal and a termination enable signal, and to output a first main drive signal and a second main drive signal based thereon. The main driver block is configured to output a data strobe signal based on the first and second main drive signals. | 2011-10-13 |