17th week of 2014 patent applcation highlights part 28 |
Patent application number | Title | Published |
20140111983 | LIGHT-EMITTING DIODE TUBE - A light-emitting diode tube, comprising a base, a fixing cover, an LED, a lampshade, a driver and a sliding cover is provided. The base has a first carrying surface and a second carrying surface, and a pair of first guiding rail and second guiding rail parallel to each other. The second carrying surface comprises a first area and a second area. The fixing cover is fixedly disposed on the guiding rail located in the first area of the second carrying surface, and covers the first area of the second carrying surface. The LED is disposed on the first carrying surface. The lampshade is located over the first carrying surface and fixed to the base and covers the LED. The driver is disposed in the second area of the second carrying surface. The sliding cover movably covers the second area of the second carrying surface or the fixing cover. | 2014-04-24 |
20140111984 | BEAM SHAPING LENS AND LED LIGHTING SYSTEM USING SAME - A beam shaping lens and an LED lighting system are disclosed. The lens according to example embodiments can concentrate or spread light, depending on the specific embodiment used. The lens according to example embodiments of the invention includes repeated concentric rings of refractive features, with either a constant or gradient feature angle. These features may include substantially triangular concentric rings. These features are located on the interior face of the lens, facing the LED source. In some embodiments, the exterior or exit surface of the lens includes texturing. A lens according to example embodiments of the invention can be used with various fixtures. Light enters the lens through the entry surface including the concentric rings, and exits the fixture through a textured exit surface opposite the entry surface. | 2014-04-24 |
20140111985 | COLOR TUNING OF A MULTI-COLOR LED BASED ILLUMINATION DEVICE - Multiple colors of light emitted by an assembled light emitting diode (LED) based illumination device is automatically tuned to within a predefined tolerance of multiple target color points by modifying portions of wavelength converting materials associated with each color. A first color of light emitted from the assembled LED based illumination device in response to a first current is measured and a second color of light emitted from the assembled LED based illumination device in response to a second current is measured. A material modification plan to modify wavelength converting materials is determined based at least in part on the measured colors of light and desired colors of light to be emitted. The wavelength converting materials may be selectively modified in accordance with the material modification plan so that the assembled LED based illumination device emits colors of light that are within a predetermined tolerance of target color points. | 2014-04-24 |
20140111986 | LUMINAIRE - According to one embodiment, a floodlight includes at least one light-emitting part, a thermal radiator, a reflector, and an adapter part attachable to and detachable from the thermal radiator. The light-emitting part includes an LED element. The thermal radiator is thermally connected to the light-emitting part. The reflector is provided on the thermal radiator, and controls luminous intensity distribution from the light-emitting part. The adapter part includes an extension reflector. The extension reflector is continuous with the reflector in a state where the adapter part is attached to the thermal radiator and, together with the reflector, controls the luminous intensity distribution from the light-emitting part to provide a luminous intensity distribution angle narrower than the reflector. | 2014-04-24 |
20140111987 | LED LIGHTING APPARATUS HAVING AN ADJUSTABLE LIGHT DISTRIBUTION - An LED lighting apparatus having adjustable light distribution comprises: a support panel on which a plurality of heat dissipation fins are disposed on a back surface thereof, the support panel providing a parallel front part which is not parallel to the ground; a board on which a plurality of LEDs are mounted, and being coupled to said front part of the support panel; and a reflection part fixed to the support panel so as to be disposed on the front surface of said substrate, and reflecting light emitted from said plurality of LEDs to provide a curved reflection surface which forms light distribution patterns on the ground. The light emission surface of the LED is not disposed parallel to the ground. The light emitted from the LED is distributed through the reflection part having a curved surface reflecting the light emitted from the LED toward the ground. | 2014-04-24 |
20140111988 | OPTICAL SEMICONDUCTOR BASED ILLUMINATING APPARATUS - An optical semiconductor based illuminating apparatus includes a first unit which is disposed on an upper side of a housing and includes protrusions formed on a lower outer side of an optical member surrounding a semiconductor optical device and having an inclined surface inclined upwards from a lower edge of an optical member; and a second unit which accommodates and holds the first unit, so that it can reduce defect rate, improve assembly efficiency, and has excellent durability. | 2014-04-24 |
20140111989 | LIGHTING DEVICE FOR STREET LAMP - Disclosed is a lighting device for a street lamp, of which a structure is improved such that the diffusion degree of light may be effectively controlled by improving the directivity of a luminous element. To this end, the lighting device for a street lamp includes: a base member which is formed at an upper side of a street lamp body arranged above a ground surface; a plurality of luminous element units, which are comprised of at least one luminous element, and are arranged on the bottom surface of the base member; and a plurality of reflection units, which are arranged to be adjacent to the luminous element units, and are arranged mutually isolated from each other by a predetermined distance on the bottom surface of the base member to diffuse light radiated from the luminous element units in multiple directions. | 2014-04-24 |
20140111990 | Light Emitting Diode Retrofit Kit For High Intensity Discharge Lighting - A principal aspect of invention comprises a housing that before being retrofit included a high intensity discharge light source, a high intensity discharge lens, and a high intensity discharge lighting fixture chamber defined between the housing and the high intensity discharge lens. The housing is retrofit to exclude a routinely functioning high intensity discharge light source and exclude at least a portion of the high intensity discharge lens. The housing is made to include at least a first support for at least one light emitting diode light source in place of the portion of the high intensity discharge lens. With this aspect, the retrofit high intensity discharge lighting fixture is no longer a source of high intensity discharge light and is instead a source of light emitting diode light. Also, the light emitting diode light source is outside the light emitting diode lighting fixture chamber, and is thereby substantially free of exposure to the temperature effects of being within either the high intensity discharge lighting fixture chamber or the light emitting diode lighting fixture chamber. | 2014-04-24 |
20140111991 | LIGHT-EMITTING DEVICE AND LIGHTING APPARATUS - A light-emitting device includes: a board; light-emitting elements interconnected in parallel and provided above a top face of the board; light-emitting elements, one of which is connected in series with the light-emitting element and the other of which is connected in series with the light-emitting element, the light-emitting elements being interconnected in parallel; a metal pattern provided continuously under the light-emitting elements, on an undersurface of the board; and a metal pattern provided continuously under the light-emitting elements, and isolated from the first metal pattern. | 2014-04-24 |
20140111992 | LEADFRAME-BASED SURFACE MOUNT TECHNOLOGY SEGMENTED DISPLAY DESIGN AND METHOD OF MANUFACTURE - A multi-segment display is disclosed. The multi-segment display includes substantially no hotspots and is substantially free of color discoloration that accompanies hotspots. The multi-segment display is configured for surface mounting. The multi-segment display is provided with a leadframe that fits into a package body thereby placing the light sources mounted on the leadframe in closer proximity to the encapsulant that fills vias of each segment. | 2014-04-24 |
20140111993 | SURFACE MOUNTING LAMP - An air intake device for a submarine comprises a first fixed member connected to the submarine hull and a second member which is telescopically movable relative to the first member to rise up with an upper end of it above the waters surface to allow air to be taken in from the atmosphere during navigation of the submarine at periscope depth, the movable member mounting at its upper end a radar device designed to emerge from the water together with the selfsame movable member. | 2014-04-24 |
20140111994 | LIGHTING MODULE FOR A MODULAR LIGHTING SYSTEM - The present invention relates to a lighting module ( | 2014-04-24 |
20140111995 | HEAT SINK FOR LED LIGHT SOURCE - A back panel for use in a light emitting diode (LED) lighting assembly is disclosed. An extruded substrate formed of a thermally conductive material is provided, the substrate having a plurality of fins extending from a first side of the substrate, each of the fins having a substantially rectangular shape oriented so that a longitudinal axis of the fin is substantially parallel to a longitudinal axis of the substrate. At least some of the fins include a hole formed through the fin to enable heated air to rise through the fins. A plurality of LEDs are mounted on a second side of the substrate, and oriented in a longitudinal orientation with the fins oriented parallel to the bottom edge of a surface to be illuminated, such that heat rises perpendicular to the surface of the fin. | 2014-04-24 |
20140111996 | LAMP APPARATUSES - A lamp apparatus include a lamp body, at least an alternating current light-emitting diode and a plug. The alternating current light-emitting diode is disposed on a lamp body. The plug is electrically connected to the alternating current light-emitting diode. In lamp apparatuses utilizing AC LED, heat generated thereby is almost concentrated on chips. Compared with conventional lamp apparatuses utilizing DC LEDs, heat generated thereby is distributed on chips and outer rectifier. In lamp apparatuses utilizing AC LEDs, heat generated thereby is almost concentrated on chips because AC LEDs operate directly with AC electric power, omitting a rectifier and preventing power loss during operation of power rectification. Therefore, the heat accumulated on the chips of the AC LEDs is enough to be used to evaporate essential oil. In another embodiment, the invention utilizes low-resistance pure water surrounding the AC LED to dissipate its heat. | 2014-04-24 |
20140111997 | LAMP AND FAN MODEL - The present disclosure relates to a lamp and fan design to generate the comfort and freshness feeling in a room, wherein the lamp and fan is portable and has a lampshade which is not fixed to the lamp but rather remains mobile based on sustainability principles by favoring the arrangement of said lampshade at a variable height relative to the fan. | 2014-04-24 |
20140111998 | MULTI-COLOR UNDERWATER LIGHT HAVING A SEALING STRUCTURE - An underwater light having a sealing structure encased in resin, permanently sealing an electrical cord in a light fixture housing. A colored lens that changes the color of a central portion of light emitted from a clear cover of an underwater light. | 2014-04-24 |
20140111999 | STAGE LIGHT FIXTURE - A stage light fixture is provided with a light source adapted to emit a light beam along an optical axis, and a color filter assembly comprising a plurality of color filters rotating about a same first axis of rotation, the first axis of rotation being parallel to the optical axis and not coincident with the optical axis. | 2014-04-24 |
20140112000 | LED LAMP - An LED lamp includes a heat dissipator, a module substrate fixed to one end of the dissipator and mounted with an LED chip, a cap mounted via an insulator on the other end of the dissipator, a lighting circuit disposed in the dissipator and/or the cap, a glove having an open end attached to the one end of the dissipator so as to cover the module substrate, an intermediate ring including an engaging portion formed on its one end, and an engaged portion formed on the one end of the dissipator so as to be detachably engageable with the engaging portion. The other end of the ring is bonded with the open end of the glove to be fixed to the open end of the glove. The engaging portion fixed to the glove engages the engaged portion so that the glove is detachably attached to the dissipator. | 2014-04-24 |
20140112001 | LIGHTING APPARATUS - A lighting apparatus includes a rail unit, and an electric unit that is installed on the rail unit so as to be adjustable in position. The electric unit makes contact with the rail unit and receives power from the rail unit. In the lighting apparatus according to the present invention, a plurality of electric units can be installed on a rail unit so as to be adjustable in position, and even if the position of each electric unit is changed, power can be reliably supplied from the rail unit to the electric unit. Therefore, the present invention can be effectively used as lighting for several places, for instance, a place with a comparatively large area, or a place where intensely bright lighting is required. | 2014-04-24 |
20140112002 | BACKLIGHT DEVICE, LIGHT SOURCE DEVICE, LENS, ELECTRONIC APPARATUS AND LIGHT GUIDE PLATE - Disclosed herein is a backlight device. The device includes: a light emitting element; a lens having an incident surface on which light emitted by the light emitting element is incident, and an outgoing surface which has an ability to converge the light and from which the light incident on the incident surface goes out; a light guide plate having a light incidence plane and introducing through the incidence plane the light going out from the outgoing surface, so as to perform surface light emission; and a reflective member operative to reflect a portion of the light going out from the outgoing surface of the lens, toward the incidence plane of the light guide plate. | 2014-04-24 |
20140112003 | METHODS AND APPARATUS RELATED TO AN OPTICAL LENS FOR A LED - Methods and apparatus for an optical lens ( | 2014-04-24 |
20140112004 | LIGHTING APPARATUS FOR A GAMING MACHINE CABINET - A lighting apparatus for a gaming machine cabinet comprising: a spot light source which emits light relative to a central emission axis; and a translucent diffuser spaced from the spot light source, the diffuser comprising an inner portion located so as to intercept light emitted along the emission axis and an outer portion spaced from the emission axis, the inner and outer portions arranged such that the diffuser prevents transmission of more light in the region of the inner portion than in the region of the outer portion. | 2014-04-24 |
20140112005 | PROXIMITY TOUCH SENSOR CABLE WITH A LIGHT EMITTING DIODE - A proximity touch sensor device having an inner housing defining a cavity, an integrated circuit positioned within the cavity of the inner housing, the integrated circuit having an input port and an output port that outputs an output signal, and a USB connector protruding from the inner housing. The proximity touch sensor device also includes a light emitting diode integrated into the inner housing, positioned above the USB connector and electrically coupled to the output port of the integrated circuit, a sensing device positioned around the inner housing and electrically coupled to the input port of the integrated circuit, and an outer housing completely covering the inner housing and the sensing device such that contact with the outer housing causes the sensing device to send a signal to the input port of the integrated circuit to activate the light emitting diode. | 2014-04-24 |
20140112006 | LED LIGHTING APPARATUS - Provided is an LED lighting apparatus. The LED lighting apparatus include an LED, a socket part supplying a power into the LED, a heat sink body having one side on which the LED is mounted and the other side to which the socket part is coupled, and a heat sink pin disposed along a circumference of the heat sink body, the heat sink pin having one side extending downward from the heat sink body. The heat sink body may be modified in shape to reduce a weight and improve heat dissipation performance. | 2014-04-24 |
20140112007 | STRUCTURE FOR PROTECTING LED LIGHT SOURCE FROM MOISTURE - A light emitting diode (LED) lighting assembly is disclosed. A first panel having a front surface with a protrusion extending therefrom is provided. A second panel is coupled to the first panel directly below the protrusion, wherein the second panel includes at least one LED. A third substantially transparent panel having a cavity formed therein is provided, wherein the cavity is sized to fit over the second panel, wherein the third panel includes a beveled edge that abuts the first panel at a joint directly below the protrusion, and wherein the protrusion and beveled edge are configured to direct moisture away from the joint. | 2014-04-24 |
20140112008 | Light Module - A light module is disclosed. The light module includes a first printed circuit board, a second printed circuit board, a light source, and a fixing casing, wherein the first printed circuit board and the second printed circuit board each has a fixing part, and the fixing part of the second printed board is attached to the fixing part of the first printed board. The light source is disposed on the first printed circuit board to couple to the first printed board and the second printed board. The fixing casing has a contact surface. When the fixing casing is fixed onto the fixing parts of the second printed circuit board and the first printed circuit board, the contact surface contacts the fixing part so that the second printed circuit board is clamped between the contact surface and the first printed circuit board. | 2014-04-24 |
20140112009 | LED Module and Method of Bonding Thereof - The present disclosure provides a method including providing a light-emitting diode (LED) device (e.g., a LED element and PCB) and a heat sink. The LED device is bonded to the heat sink by applying an ultrasonic energy. In an embodiment, the bonding may form a bond comprising copper and aluminum. The PCB may be a metal core PCB (MC-PCB). | 2014-04-24 |
20140112010 | REMOVABLE LAMP FOR OUTDOOR POWER EQUIPMENT - An outdoor power equipment device may include a mobility assembly and a mounting receptacle. The mobility assembly may support a device frame of the outdoor power equipment device and enable an operator of the outdoor power equipment device to facilitate movement of the outdoor power equipment device. The mounting receptacle may be coupled to the device frame. The mounting receptacle may include a removable lamp operable to provide light at least when removed from the mounting receptacle. | 2014-04-24 |
20140112011 | VEHICLE HEADLAMP - A vehicle headlamp includes a lamp outer case | 2014-04-24 |
20140112012 | VEHICLE HEADLAMP - There is provided a vehicle headlamp that can be miniaturized and that can form a synthetic light distribution pattern (for example, a low-beam light distribution pattern) in which a hot zone is brighter. The vehicle headlamp that forms the synthetic light distribution pattern including the hot zone and a diffusion region diffused from the hot zone, includes at least one first lighting fixture unit including a laser light source and a first optical system that forms a first light distribution pattern to irradiate light forward from the laser light source and irradiate the hot zone, and at least one second lighting fixture unit including an LED light source and a second optical system that forms a second light distribution pattern to irradiate light forward from the LED light source and irradiate the diffusion region. | 2014-04-24 |
20140112013 | OPTICAL MEMBER AND VEHICULAR LAMP - An optical member formed of resin includes a fixation portion, via which the optical member is fixed to a supporting member on which a light emitting element is supported, a reflective surface having a reflective region configured to reflect light from the light emitting element, and a thermal deformation absorbing portion configured to absorb thermal deformation of the optical member. | 2014-04-24 |
20140112014 | LED-BASED LIGHTING SYSTEM FOR RETROFITTING FLUORESCENT LIGHTING FIXTURES IN A TRANSIT VEHICLE - An LED-based lighting unit for retrofitting a fluorescent light fixture in a transit vehicle has a concave frame or structure conforming to the shape of the fluorescent lighting fixture cavity, connector pins on either end of the frame for secure attachment to sockets of the fluorescent fixture, a plurality of LED modules for illuminating an area of a transit vehicle, a power adapter for receiving and converting an input power supply signal, and a diffusive lens cover. The frame may have rear fins or other features for facilitating dissipation of heat generated by the LEDs. A controller adjusts the intensity of the LEDs based on a reading from a temperature sensor and on a manual brightness setting. The change in light output may be accomplished by reducing a duty cycle of a pulse width modulated (PWM) waveform supplying the LEDs. | 2014-04-24 |
20140112015 | ELECTRONIC UNIT - An electronic unit includes an electronic body on which a heat generating component is mounted; a resin casing in which the electronic body is housed; and a heat diffusion sheet interposed between the casing and a region of the electronic body where the heat generating component is mounted. | 2014-04-24 |
20140112016 | LIGHT CONVERGING TYPE LIGHT GUIDE UNIT AND LIGHT SOURCE DEVICE USING THE SAME - In a light converging type light guide unit for guiding light emitted from a light source to a light-receiving member having a reflection face extending from a light emission point to at least a place in the neighborhood of a light reception point of the light-receiving member, the reflection face has first and second focal points at which the light emission and reception points are disposed, respectively, and comprises an elliptical reflection face at the side of the light reception point, and a curved surface reflection face that is provided at the side of the light emission point, reflects light of the light source therefrom to the elliptical reflection face and obtains light that travels to the light reception point and is incident to the light reception point at a predetermined incidence angle or less by reflection from the elliptical reflection face. | 2014-04-24 |
20140112017 | BACKLIGHT MODULE AND A LIQUID CRYSTAL DISPLAY USING THE SAME - The present invention provides a backlight module, containing an edge-lit backlight source; a light guide plate having a light incident surface and a light emitting surface where the light incident surface faces directly towards the backlight source; an optical film set positioned on a top side of the light guide plate facing directly towards the light emitting surface of the light guide plate; a reflection plate on a bottom side of the light guide plate; and a thermal conductive layer on a bottom side of the reflection plate conducting heat produced from the backlight source at least to the center of the reflection plate. The backlight module raises the temperature in the center of the panel, thereby preventing the cross talk resulted from having lower temperature in the center of the panel. There is no significant change to the existing backlight modules and therefore the cost is low. | 2014-04-24 |
20140112018 | Liquid Crystal Display and the Backlight Module Thereof - A liquid crystal display and the backlight module thereof are disclosed. The backlight module includes a substrate, a light guiding plate, a first pillar, a light source, at least two separating pieces, and an elastic piece. The separating pieces keep the distance between the light guiding plate and the lighting assembly of the light source equals to a minimum distance. A first end of the elastic piece connects one end of the first pillar passing through the crack of the substrate, and a second end of the elastic piece connects to the substrate. The elastic piece pushes the light guiding plate via the first pillar to move toward the light source until the distance between the light guiding plate and the lighting assembly of the light source equals to the minimum distance. The liquid crystal device and the backlight module are capable of keeping the coupling distance of the backlight module remain unchanged. | 2014-04-24 |
20140112019 | DISPLAY DEVICE HAVING A SIMPLIFIED ASSEMBLY OF COMPONENTS - A display device having a simplified assembly of components. The display device includes a display panel, a circuit board, a light guide plate disposed under the display panel to guide a light toward the display panel, a molding member disposed between the display panel and the light guide plate, and a covering member extending from a lower surface of the light guide plate to an upper surface of the display panel. The light guide plate has a supporting portion that protrudes from a side surface of the light guide plate to support the circuit board disposed adjacent to an edge of the display panel. The molding member supports the display panel. The covering member fixes the components of the display device. This way a display device is provided that does not need a bottom chassis, thereby the assembling of the display panel is simplified. | 2014-04-24 |
20140112020 | IMAGE SENSOR UNIT, AND IMAGE READING APPARATUS AND IMAGE FORMING APPARATUS USING THE SAME - An image sensor unit includes: a light guide reflecting light rays entering through a first light entering surface and a second light entering surface provided at both ends thereof, by a reflection surface to make the light rays exit through a light exiting surface and illuminates an original; a first light source provided near the first light entering surface; a second light source provided near the second light entering surface and different in wavelength from the first light source; and a first reflection part and a second reflection part provided on the reflection surface and composed of dot patterns constituted of two kinds of dots different in spectral reflectance. | 2014-04-24 |
20140112021 | BACKLIGHT MODULE - The present invention relates to a backlight module, which comprises a backplate, and a backlight assembly fixed in the backplate by a positioning structure, the positioning structure comprises a positioning member used for fixing the backlight assembly and provided with a recess, and a protruding part arranged on the backplate, the backlight assembly is fixed in the backplate by engagement of the recess of the positioning member with the protruding part of the backplate. By the protruding part on the backplate and the recess on the positioning member to engage with the protruding part, the problem of poor product appearance due to exposure of the bump of the positioning member is resolved well. | 2014-04-24 |
20140112022 | ELECTRICAL SWITCHING APPARATUS INCLUDING TRANSDUCTOR CIRCUIT AND ALTERNATING CURRENT ELECTRONIC TRIP CIRCUIT - An electrical switching apparatus includes a transductor circuit that senses a direct current between at least one input terminal and at least one output terminal and outputs an alternating current proportional to the direct current between the input terminal and the output terminal. The electrical switching apparatus also includes an alternating current electronic trip circuit configured to control pairs of separable contacts to separate based on the alternating current output from the transductor circuit. | 2014-04-24 |
20140112023 | PRIMARY-SIDE REGULATION FOR ISOLATED POWER SUPPLIES - A DC-DC converter includes a primary side sense circuit to detect a load current of the DC-DC converter based on reflected current from a secondary winding of the DC-DC converter to a primary winding of the DC-DC converter. A primary side diode models effects of a secondary side diode that is driven from the secondary winding of the DC-DC converter. An output correction circuit controls a switching waveform to the primary winding of the DC-DC converter based on feedback from the primary side sense circuit and the primary side diode. | 2014-04-24 |
20140112024 | HIGH VOLTAGE SWITCHING LINEAR AMPLIFIER AND METHOD THEREFOR - A switching linear amplifier has a DC-DC converter to increase a low input DC voltage to a first high voltage DC. A high voltage high frequency inverter is coupled to the DC-DC converter to generate high voltage pulses. A multistage voltage multiplier is coupled to the high voltage high frequency inverter to generate a second high voltage DC. A controlled charge and discharge circuit is coupled to the multistage voltage multiplier to drive a capacitive load. | 2014-04-24 |
20140112025 | Capacitor Arrangement for an Intermediate Circuit of a Volatage Converter - The disclosure relates to a capacitor arrangement for an input circuit or intermediate circuit of a voltage transformer comprising at least two capacitors and two connection nodes. Switching elements are provided, by means of which the at least two capacitors are connected in parallel with each other in a first operating state and are connected in series with each other in a second operating state. The disclosure also relates to a voltage transformer arrangement comprising such a capacitor arrangement and an operating method for a capacitor arrangement. | 2014-04-24 |
20140112026 | RESONANT DC CONVERTER - A resonant DC converter, combines a voltage type auto charge pump circuit with a full-bridge or half-bridge resonant DC conversion circuit at a primary side of a transformer, combines a double-voltage rectifier circuit at a secondary side of the transformer, and grants the circuit of the invention with characteristics of variable circuit architecture by means of the design of circuit parameters and the action of the LC resonant circuit. Integration of switching elements of the converter circuit and the use of characteristics of automatically changing the circuit architecture contribute to reduce the switching losses and increase the circuit conversion efficiency. Low output voltage ripple enables the circuit of the invention to avoid using large-capacitance electrolytic capacitors and be able to extend the service life of the transformer. The operation of the circuit of the invention at boost or buck mode can be controlled by adjusting the circuit parameters. | 2014-04-24 |
20140112027 | POWER CONVERTING DEVICE - A power converting device includes a transformer, a first switch coupled to a primary winding of the transformer, a PWM controller which generates a first PWM signal for controlling conduction and non-conduction of the first switch and which generates a control signal that leads the first PWM signal, a rectifier-filter circuit which rectifies an induced voltage generated by a secondary winding of the transformer, a second switch coupled to the secondary winding, and a synchronous rectifier controller which controls conduction and non-conduction of the second switch, and which controls, according to the control signal, the second switch to become non-conductive prior to conduction of the first switch. | 2014-04-24 |
20140112028 | METHOD AND A CIRCUIT ARRANGEMENT FOR DETERMINING A DEMAGNETIZATION ZERO CURRENT TIME - In various embodiments a method for determining a demagnetization zero current time, at which a transformer is substantially demagnetized, for a switched mode power supply comprising a transformer is provided, wherein the method may include: applying a first current through a winding of one side of the transformer; interrupting the current flow of the first current; measuring a time at which a voltage across a winding of another side of the transformer becomes substantially zero; and determining the demagnetization zero current time using the measured time. | 2014-04-24 |
20140112029 | ELECTRIC POWER CONVERTING DEVICE - An electric power converting device includes a rectifier, a flyback voltage converter and a non-isolated voltage regulator. The rectifier is for converting an alternating current (AC) signal received from an AC power source into a direct current (DC) signal. The flyback voltage converter is electrically connected to the rectifier for transforming voltage of the DC signal from the rectifier to output a regulated DC signal. The non-isolated voltage regulator is electrically connected to the flyback voltage converter for reducing a voltage ripple of the regulated DC signal from the flyback voltage converter and for outputting an output voltage to a load. | 2014-04-24 |
20140112030 | METHOD AND A CONTROLLER FOR DETERMINING A DEMAGNETIZATION ZERO CURRENT TIME FOR A SWITCHED MODE POWER SUPPLY - In various embodiments a method is provided for determining a demagnetization zero current time for a switched mode power supply having a transformer, a first side and a second side being galvanically separated from each other and a switched mode power supply controller, the method including: determining a first voltage being applied to one side of the transformer; determining a second voltage provided at the other side of the transformer; determining a time the first voltage is provided to a winding of the transformer; and determining, by a circuit located on the same side of the transformer as the switched mode power supply controller, the demagnetization zero current time using the determined first voltage, the determined second voltage and the determined time. | 2014-04-24 |
20140112031 | CONTROL AND DRIVE CIRCUIT AND METHOD - Disclosed herein are control and drive circuits and methods for synchronous rectification switching power supply bias voltage generating circuits configured for a switching power supply. In one embodiment, a control and drive circuit can include: (i) a primary side switch controller configured to generate a primary side switch control signal; (ii) a logic circuit configured to generate a first control signal based on the primary side switch control signal; (iii) a converting circuit configured to generate a second control signal based on the first control signal; and (iv) a synchronous rectifier switch controller configured to generate a synchronous rectifier switch control signal based on the second control signal such that phases of the primary side switch control signal and the synchronous rectifier switch control signal are the same or inverse based on a topology of the synchronous rectification switching power supply. | 2014-04-24 |
20140112032 | WIND TURBINE FAULT DETECTION CIRCUIT AND METHOD - A wind turbine fault detection circuit and method is disclosed herein. In a described embodiment, the wind turbine fault detection circuit comprises a magnetometer in the form of a hall-effect sensor coupled between a power converter and a ground element of the power converter and configured to measure a ground current from the power converter to obtain a real ground current Ig; and a comparator configured to determine presence of a fault based on the real ground current. | 2014-04-24 |
20140112033 | POWER SUPPLY APPARATUS - A power supply apparatus is provided, in which a control chip is used to detect an AC input power, so that it is unnecessary to additionally set an external independent detection circuit, by which not only a design cost is decreased, an extra standby loss is also avoided. Moreover, the method of using the control chip to execute detection of the AC input power can effectively decrease detection deviation, so as to notify the load system within an allowable (accurate) time (i.e. the predetermined time). Moreover, the control chip can determine and adjust the predetermined time within which the indication signal is generated to notify the load system according to an application requirement of the load system, so that the power supply apparatus can be generally applied in different types of the load systems having a timing control requirement. | 2014-04-24 |
20140112034 | THREE-PHASE INTERLEAVE CONVERTER WITH THREE-STATE SWITCHING CELL - A three-phase interleave converter with a TSSC includes: a filter circuit, a PFC circuit, a star connection between the filter circuit and the PFC circuit, and a second capacitor | 2014-04-24 |
20140112035 | METHOD AND APPARATUS TO REDUCE OVERCURRENT DURING THE STARTUP OF A SWITCHING REGULATOR - A power supply apparatus includes an inductor to store and discharge energy and a circuit to charge the inductor using a plurality of charging pulses. The circuit skips a charging pulse of the plurality of charging pulses to reduce overcurrent associated with the inductor. | 2014-04-24 |
20140112036 | POWER SUPPLY WITH OUTPUT PROTECTION AND CONTROL METHOD OF THE POWER SUPPLY - The present invention relates to a power supply with output protection and a control method of the power supply. The invention mainly provides a pre-protection value lower than a default over-current protection value. When a present output current of the power supply is higher than or equal to the pre-protection value and is lower than the over-current protection value, the method firstly determines whether the power supply has abnormal conditions. When the power supply has abnormal conditions, the method can automatically provide or stop providing a working voltage to a load. When the present output current is further higher than or equal to the over-current protection value, the method takes an over-current protection action. By multi-level monitoring of the current values, the invention properly provides an over-current protection. | 2014-04-24 |
20140112037 | Electronic Power Circuit, Electric Motor, And Procedure For Checking The Operability Of An Electronic Power Circuit - An electronic power circuit, electrical machine and a method for verifying the functionality of an electronic power circuit. The invention relates to an electronic power circuit, an electrical machine with the electronic power circuit and a method for verifying the functionality of the electronic power circuit. The electronic power circuit comprises a power unit with at least one power semi-conductor switch, which is equipped to generate a pulsed electrical voltage for an electrical consumer from an electrical voltage on the basis of an alternating powering on and off of the at least one power semiconductor switch, and control electronics equipped to control the power semiconductor switch for the alternating powering on and off. | 2014-04-24 |
20140112038 | Method And Controller For Protecting A Voltage Source Converter - A method in a controller for protection of a voltage source converter including one or more phases, each phase including one or more series-connected converter cells. Each converter cell has a by-pass switch for enabling by-pass thereof. The method includes the steps of detecting an over-voltage condition, and controlling simultaneously the by-pass switches of each converter cell, so as to bypass the converter cells upon detection of such over-voltage condition. The invention also encompasses a controller, computer programs and computer program products. | 2014-04-24 |
20140112039 | OPERATING METHOD FOR AN INVERTER AND GRID FAULT TOLERANT INVERTER - The disclosure relates to a method for operating an inverter that includes at least one bridge assembly that is actuated in a modulated manner for supplying electrical power to an energy supply network. Initially, the inverter is operated by the unipolar actuation of the at least one bridge assembly and the energy supply network is monitored for the presence of a network fault. If a network fault is detected, the inverter is operated at least at intervals by the bipolar actuation of the at least one bridge assembly. The disclosure further relates to a network fault-tolerant inverter which is equipped for carrying out the method. | 2014-04-24 |
20140112040 | SYSTEM AND METHOD FOR COMMON-MODE ELIMINATION IN A MULTI-LEVEL CONVERTER - A multi-level converter includes a plurality of alternating current (AC) terminals connected to an AC source or load, at least three direct current (DC) terminals connected to a multi-level DC source or load, and a plurality of solid-state switches that are selectively turned On and Off to connect each of the plurality of AC terminals to one of the DC terminals. A controller provides PWM control signals to the solid-state switches. The controller utilizes space vector modulation to organize the various switching state configurations, and increments the switching states during a first half of the switching period and decrements the switching states during a second half of the switching period to center-align the PWM signals provided about the center of the switching period. The switching states utilized during the switching period dictate the PWM control signals provided to the plurality of switches employed in the three-level converter. | 2014-04-24 |
20140112041 | SINGLE CHIP GRID CONNECTED SOLAR MICRO INVERTER - The present invention provides an improved grid connected solar micro-inverter. The solar micro-inverter is provided with a single processor that performs both the functions for the control of the micro-inverter and runs the application program associated with it and implements a communication modem for connectivity to the grid or to the Internet cloud. The solar micro-inverter therefore needs only a single processor to perform both the micro-inverter control and modem communication functions, resulting in cheaper and smaller system implementation. | 2014-04-24 |
20140112042 | COMMON MODE FILTER AND POWER SUPPLY DEVICE HAVING THE SAME - A common mode filter and a power supply device having the same are provided. The common mode filter includes a first inductor having a first winding number, a second inductor facing the first inductor and having a second winding number, a first intermediate terminal branching from an intermediate portion of a coil of the first inductor, and a second intermediate terminal branching from an intermediate portion of a coil of the second inductor. The effects of two filters are obtained from one common mode filter and the volume is reduced, so that a light, thin, short, and short module is provided. | 2014-04-24 |
20140112043 | SWITCHING POWER SUPPLY APPARATUS - A switching power supply apparatus which receives AC voltage and includes: a transformer including a primary winding and a secondary winding; a first bidirectional switch connected in series with the primary winding; and a Snubber circuit connected in parallel with the primary winding. The AC voltage is applied to a series circuit which includes the primary winding and the first bidirectional switch. The Snubber circuit includes a second bidirectional switch for controlling the first bidirectional switch. | 2014-04-24 |
20140112044 | REACTOR, CONVERTER, POWER CONVERTER APPARATUS, AND METHOD FOR MANUFACTURING REACTOR - The present invention is directed to a reactor | 2014-04-24 |
20140112045 | MEMORY SYSTEM INCORPORATING A CIRCUIT TO GENERATE A DELAY SIGNAL AND AN ASSOCIATED METHOD OF OPERATING A MEMORY SYSTEM - Disclosed are a memory system and an associated operating method. In the system, a first memory array comprises first memory cells requiring a range of time delays between wordline activating and bitline sensing. A delay signal generator delays an input signal by a selected time delay (i.e., a long time delay corresponding to statistically slow memory cells) and outputs a delay signal for read operation timing to ensure read functionality for statistically slow and faster memory cells. To accomplish this, the delay signal generator comprises a second memory array having second memory cells with the same design as the first memory cells. Transistors within the second memory cells are controlled by a lower gate voltage than transistors within the first memory cells in order to mimic the effect of higher threshold voltages, which result in longer time delays and which can be associated with the statistically slow first memory cells. | 2014-04-24 |
20140112046 | CONFIGURABLE BANDWIDTH MEMORY DEVICES AND METHODS - Memory devices and methods are described, such as those that include a stack of memory dies and an attached logic die. Method and devices described provide for configuring bandwidth for selected portions of a stack of memory dies. Additional devices, systems, and methods are disclosed. | 2014-04-24 |
20140112047 | SEMICONDUCTOR DEVICE HAVING DATA BUS - A semiconductor device is disclosed which comprises a first wiring layer, a second wiring layer formed over the first wiring layer, data input/output terminals, and a data bus formed in the first and second wiring layers. The data bus includes N data lines transmitting data between a predetermined circuit and the input/output terminals. M first data lines among the N data lines have a length shorter than a predetermined length and residual N-M second data lines have a length longer than the predetermined length. Shield lines adjacent to the N data lines are formed in the first and second layers. The N data lines are arranged at positions at which the data lines do not overlap one another in a stacking direction of the first and second wiring layers. | 2014-04-24 |
20140112048 | N-BIT ROM CELL - Among other things, an n-bit ROM cell, such as a twin-bit ROM cell, and techniques for addressing one or more ROM cell portions of the n-bit ROM cell are provided. A twin-bit ROM cell comprises a first ROM cell portion adjacent to or substantially contiguous with a second ROM cell portion. The first ROM cell portion is associated with a first data bit value. The second ROM cell portion is associated with a second data bit value distinct from the first data bit value. Because the first ROM cell portion is adjacent to the second ROM cell portion, OD-to-OD spacing between the twin-bit ROM cell and an adjacent twin-bit ROM cell is increased to provide, for example, improved isolation, cell current, ROM speed, and VCCmin performance in comparison with single-bit ROM cells, while maintaining a substantially similar to pitch as the single-bit ROM cells. | 2014-04-24 |
20140112049 | SEMICONDUCTOR MEMORY DEVICE AND METHOD FOR MANUFACTURING THE SAME - The present technology includes a semiconductor memory device and a method of manufacturing the same. The semiconductor device includes insulation patterns and cell word lines alternately stacked on a substrate. A cell channel layer is formed through the insulation patterns and the cell word lines. A select channel layer is connected to the cell channel layer, and the select channel layer has a resistance higher than a resistance of the cell channel layer. A select line surrounds the select channel layer. | 2014-04-24 |
20140112050 | SEMICONDUCTOR DEVICES AND METHODS OF FABRICATING THE SAME - A semiconductor device includes a plurality of word lines; a plurality of bit lines; and a plurality of bit line node contacts. The plurality of word lines extend in a first direction in or on a substrate. The plurality of bit lines crosses over the plurality of word lines. Each of the plurality of bit line node contacts connects a corresponding bit line to the substrate, and each of the plurality of bit line node contacts has a width substantially equal to a width of the corresponding bit line. | 2014-04-24 |
20140112051 | METHOD OF DRIVING NONVOLATILE SEMICONDUCTOR DEVICE - Pulse voltages V | 2014-04-24 |
20140112052 | Memory Programming Methods And Memory Systems - Memory programming methods and memory systems are described. One example memory programming method includes first applying a first signal to a memory cell to attempt to program the memory cell to a desired state, wherein the first signal corresponds to the desired state, after the first applying, determining that the memory cell failed to place in the desired state, after the determining, second applying a second signal to the memory cell, wherein the second signal corresponds to another state which is different than the desired state, and after the second applying, third applying a third signal to the memory cell to program the memory cell to the desired state, wherein the third signal corresponds to the desired state. Additional method and apparatus are described. | 2014-04-24 |
20140112053 | Write driver in sense amplifier for resistive type memory - Example embodiments include a level shifting write driver in a sense amplifier for a resistive type memory. The write driver may include a cross-coupled latch circuit, a first output section, a second output section, and an input section. The first output section includes one or more first driving transistors to drive a first current through the first output section and not through the cross-coupled latch. The second output section includes one or more second driving transistors configured to drive a second current through the second output section and not through the cross-coupled latch. The current flows of the outputs sections are isolated from the latch circuit. In some embodiments, no two PMOS type transistors are serially connected, thereby reducing the consumption of die area. In some embodiments, a single control signal is used to operate the write driver. | 2014-04-24 |
20140112054 | CROSSPOINT NONVOLATILE MEMORY DEVICE AND FORMING METHOD THEREOF - A sense amplification circuit includes a sneak current compensating load current supply unit that selectively switches a load current among load currents having different current amounts and supplies the load current to a bit line selected by a column selection circuit. The sense amplification circuit outputs ‘L’ level when a current amount of the load current is more than a reference current amount, and outputs ‘H’ level when the current amount is less than the reference current amount. A control circuit adjusts the current amount to a predetermined current amount that causes the sense amplification circuit to output ‘H’ level. After the adjustment, the control circuit performs control to supply the load current having the predetermined current amount and controls the writing unit to keep the application until the sense amplification circuit outputs ‘L’ level. | 2014-04-24 |
20140112055 | VARIABLE RESISTANCE NONVOLATILE MEMORY DEVICE AND METHOD OF WRITING THEREBY - Provided is a variable resistance nonvolatile memory device that achieves, in multi-bit simultaneous writing for increasing a writing speed, writing with little variation caused by positions of memory cells in multi-bit simultaneous writing. The variable resistance nonvolatile memory device includes bit lines, word lines, memory cells, a first write circuit (e.g., a write circuit ( | 2014-04-24 |
20140112056 | NONVOLATILE SEMICONDUCTOR MEMORY DEVICE AND WRITE METHOD FOR THE SAME - A nonvolatile semiconductor memory device includes word lines, bit lines, a cross-point cell array including cells, each of which includes memory cells and at least one offset detection cell, a word line selection circuit, a bit line selection circuit, a write control circuit, a current sensing circuit which detects a current and converts it into an electrical signal, wherein a write control circuit adjusts a write electrical signal for causing a second write current higher than a first write current to flow through the memory cell. | 2014-04-24 |
20140112057 | APPARATUS AND METHOD FOR REFORMING RESISTIVE MEMORY CELLS - A memory includes an array of memory cells, a first module and a second module. The first module is configured to compare a first state of a memory cell with a reference. The memory cell is in the array of memory cells. The second module is configured to, subsequent to a read cycle or a write cycle of the memory cell and based on the comparison, reform the memory cell to adjust a difference between the first state and a second state of the memory cell. | 2014-04-24 |
20140112058 | RESISTANCE MEMORY CELL - A resistance memory includes a resistance memory cell having a resistance memory element and a two-terminal access device in series. The two-terminal access device affects the current-voltage characteristic of the resistance memory cell. The resistance memory additionally includes a circuit to apply across the resistance memory cell a set pulse having a set polarity to set the resistance memory cell to a low-resistance state that is retained after application of the set pulse, a reset pulse having a reset polarity, opposite to the set polarity, to reset the resistance memory cell to a high-resistance state that is retained after application of the reset pulse, and a read pulse of the reset polarity and smaller in magnitude than the reset pulse to determine the resistance state of the resistance memory cell without changing the resistance state of the resistance memory cell. | 2014-04-24 |
20140112059 | HIGH-RELIABILITY HIGH-SPEED MEMRISTOR - A memristor has a first electrode, a second electrode parallel to the first electrode, and a switching layer disposing between the first and second electrodes. The switching layer contains a conduction channel and a reservoir zone. The conduction channel has a Fermi glass material with a variable concentration of mobile ions. The reservoir zone is laterally disposed relative to the conduction channel, and functions as a source/sink of mobile ions for the conduction channel In the switching operation, under the cooperative driving force of both electric field and thermal effects, the mobile ions are moved into or out of the laterally disposed reservoir zone to vary the concentration of the mobile ions in the conduction channel to change the conductivity of the Fermi glass material. | 2014-04-24 |
20140112060 | SRAM GLOBAL PRECHARGE, DISCHARGE, AND SENSE - An SRAM includes a global bit line, an SRAM cell, precharge logic, discharge logic, and sense logic. The SRAM cell stores a first logical value or a second logic value and is coupled to the global bit line. The precharge logic may charge the global bit line to a precharge voltage for a non-read operation and a boosted voltage that is greater than a reference voltage for a read operation. The discharge logic may either maintain the global bit line at the boosted voltage for the first logical value or discharge the global bit line to a discharge voltage that is less than the reference voltage for the second logical value. The sense logic may output the first logical value when the global bit line has the boosted voltage or may output the second logical value when the global bit line has the discharge voltage. | 2014-04-24 |
20140112061 | WRITE WORD-LINE ASSIST CIRCUITRY FOR A BYTE-WRITEABLE MEMORY - A write-assisted memory. The write-assisted memory includes a word-line decoder that is implemented within a low VDD power domain. The write-assisted memory also includes a write-segment controller that is partially implemented within the low VDD power domain and is partially implemented within a high VDD power domain. The write-assisted memory further includes a local write word-line decoder that is implemented within the high VDD power domain. | 2014-04-24 |
20140112062 | METHOD AND SYSTEM FOR AN ADAPTIVE NEGATIVE-BOOST WRITE ASSIST CIRCUIT FOR MEMORY ARCHITECTURES - Disclosed is an adaptive negative bit-line boost write assist technique in which coupling capacitance scales with the number of rows and thereby maintains a constant negative bit-line level. The change in the coupling capacitance in neighboring signals as the height increases is utilized. The change is utilized for negative bit-line voltage generation. | 2014-04-24 |
20140112063 | IMPLEMENTING SDRAM HAVING NO RAS TO CAS DELAY IN WRITE OPERATION - A method and circuit for implementing faster-cycle-time and lower-energy write operations for Synchronous Dynamic Random Access Memory (SDRAM), and a design structure on which the subject circuit resides are provided. A first RAS (row address strobe) to CAS (column address strobe) command delay (tRCD) is provided to the SDRAM for a read operation. A second delay tRCD is provided for a write operation that is substantially shorter than the first delay tRCD for the read operation. | 2014-04-24 |
20140112064 | SRAM GLOBAL PRECHARGE, DISCHARGE, AND SENSE - An SRAM includes a global bit line, an SRAM cell, precharge logic, discharge logic, and sense logic. The SRAM cell stores a first logical value or a second logic value and is coupled to the global bit line. The precharge logic may charge the global bit line to a precharge voltage for a non-read operation and a boosted voltage that is greater than a reference voltage for a read operation. The discharge logic may either maintain the global bit line at the boosted voltage for the first logical value or discharge the global bit line to a discharge voltage that is less than the reference voltage for the second logical value. The sense logic may output the first logical value when the global bit line has the boosted voltage or may output the second logical value when the global bit line has the discharge voltage. | 2014-04-24 |
20140112065 | SEMICONDUCTOR MEMORY DEVICE - A semiconductor memory device including a memory cell of static type; a word line connected to the memory cell; a word driver driving the word line; and a compensating circuit including a first transistor of N-channel type having a drain connected to the word line and a source to be connected to a ground potential, and a control circuit connected to the first transistor and changing the first transistor from an OFF state to an ON state based on a rise of an ambient temperature or a rise of a power source voltage to thereby lower a voltage of the word line. | 2014-04-24 |
20140112066 | Circuit Arrangement and Method of Forming the Same - In various embodiments, a circuit arrangement may be provided including a data cell. The circuit arrangement may further include a first transistor and a second transistor. The first controlled electrode of the first transistor and the first controlled electrode of the second transistor may be coupled to the first electrode of the data cell. The second controlled electrode of the first transistor may be configured to electrically connect to a first reference voltage such that the first electrode of the data cell is electrically connected to the first reference voltage when the first transistor is activated. The second controlled electrode of the second transistor may be configured to electrically connect to a second reference voltage, such that the first electrode of the data cell is electrically connected to the second reference voltage when the second transistor is activated. | 2014-04-24 |
20140112067 | Apparatus, Storage Device, Switch and Methods, Which Include Microstructures Extending from a Support - An apparatus has a support and a plurality of bendable and conductive microstructures extending from the support. Two adjacent microstructures of the plurality of microstructures define a detectable first state if they are not bent such that end portions thereof, which are distal with respect to the support, do not touch each other, and the two adjacent microstructures of the plurality of microstructures define a detectable second state if they are bent such that the end portions thereof, which are distal with respect to the support, touch each other and are fixed to each other. | 2014-04-24 |
20140112068 | METHODS OF PROGRAMMING MEMORY DEVICES - Methods of programming memory devices include biasing each data line of a plurality of data lines to a program inhibit voltage; discharging a first portion of data lines of the plurality of data lines, wherein the first portion of data lines of the plurality of data lines are coupled to memory cells selected for programming; and applying a plurality of programming pulses to the memory cells selected for programming while biasing a remaining portion of data lines of the plurality of data lines to the program inhibit voltage. | 2014-04-24 |
20140112069 | DATA WRITING METHOD AND DATA STORAGE DEVICE - The invention provides a data writing method and device for a flash memory. According to the method, the flash memory obtains write data to be written to the flash memory, directs the flash memory to write a data page of the write data to a strong page of a target pair page of a target block, and directs the flash memory to write first predetermined data to a weak page of the target pair page for extending the data duration of the strong page of the target pair page. | 2014-04-24 |
20140112070 | MEMORY SYSTEM, PROGRAM METHOD THEREOF, AND COMPUTING SYSTEM INCLUDING THE SAME - Disclosed is a memory system and a method of programming a multi-bit flash memory device which includes memory cells configured to store multi-bit data, where the method includes and the system is configured for determining whether data to be stored in a selected memory cell is an LSB data; and if data to be stored in a selected memory cell is not an LSB data, backing up lower data stored in the selected memory cell to a backup memory block of the multi-bit flash memory device. | 2014-04-24 |
20140112071 | MULTI-CHANNEL MEMORY AND POWER SUPPLY-DRIVEN CHANNEL SELECTION - Subject matter disclosed herein relates to a memory device, and more particularly to a multi-channel memory device and methods of selecting one or more channels of same. | 2014-04-24 |
20140112072 | 10T NVSRAM CELL AND CELL OPERATIONS - A 10T NVSRAM cell is provided with a bottom HV NMOS Select transistor in each 3T FString removed from traditional 12T NVSRAM cell. A Recall operation by reading a stored ΔVt state of flash transistors into each SRAM cell uses a charge-sensing scheme rather than the current-sensing scheme, with all other key operations unchanged. The Recall operation works under any ramping rate of SRAM's power line voltage and Flash gate signal which can be set higher than only Vt0 or both Vt0 and Vt1. Alternatively, the Store operation can use a current charging scheme from a Fpower line to the paired Q and QB nodes of each SRAM cell through a paired Flash Voltage Follower that stored ΔVtp≧1.0V. The Recall operation in this alternative embodiment is to use a 7-step approach with the FN-channel erase, FN-channel program and FN-edge program schemes, including 2-step SRAM amplification. | 2014-04-24 |
20140112073 | SIGNAL TRANSMISSION SYSTEM AND STORAGE SYSTEM - A signal transmission system is provided which connects a memory controller and a plurality of semiconductor memories. The signal transmission system comprises a semiconductor device arranged between the memory controller and the plurality of memories, in which: the semi-conductor device comprises a control circuit; and the control circuit receives a signal from the semiconductor memory and outputs a control signal to the memory controller in response to the signal from the semiconductor memory. | 2014-04-24 |
20140112074 | INTEGRATED ERASE VOLTAGE PATH FOR MULTIPLE CELL SUBSTRATES IN NONVOLATILE MEMORY DEVICES - A non-volatile memory device using existing row decoding circuitry to selectively provide a global erase voltage to at least one selected memory block in order to facilitate erasing of all the non-volatile memory cells of the at least one selected memory block. More specifically, the erase voltage is coupled to the cell body or substrate of memory cells of the at least one selected memory block, where the cell body is electrically isolated from the cell body of non-volatile memory cells in at least one other memory block. By integrating the erase voltage path with the existing row decoding circuitry used to drive row signals for a selected memory block, no additional decoding logic or circuitry is required for providing the erase voltage to the at least one selected memory block. | 2014-04-24 |
20140112075 | Pre-Charge During Programming For 3D Memory Using Gate-Induced Drain Leakage - In a programming operation of a 3D stacked non-volatile memory device, the channel of an inhibited NAND string is pre-charged by gate-induced drain leakage (GIDL) to achieve a high level of boosting which prevents program disturb in inhibited storage elements. In a program-verify iteration, prior to applying a program pulse, the drain-side select gate transistor is reverse biased to generate GIDL, causing the channel to be boosted to a pre-charge level such as 1.5V. Subsequently, when the program pulse is applied to a selected word line and pass voltages are applied to unselected word lines, the channel is boosted higher from the pre-charge level due to capacitive coupling. The pre-charge is effective even for a NAND string that is partially programmed because it does not rely on directly driving the channel from the bit line end. | 2014-04-24 |
20140112076 | SOFT READOUT FROM ANALOG MEMORY CELLS IN THE PRESENCE OF READ THRESHOLD ERRORS - A method includes storing data in a group of analog memory cells by writing respective analog values into the memory cells in the group. After storing the data, the analog values are read from the memory cells in the group one or more times using one or more respective read thresholds so as to produce readout results. Reliability measures are computed for the read analog values based on the readout results. An offset of the one or more read thresholds from an optimal read threshold position is estimated based on the reliability measures. The reliability measures are modified to compensate for the estimated offset, and the data stored in the analog memory cells in the group is decoded using the corrected reliability measures. | 2014-04-24 |
20140112077 | SNR ESTIMATION IN ANALOG MEMORY CELLS - A method includes programming a group of analog memory cells by writing respective analog values into the memory cells in the group. After programming the group, the analog values are read from the memory cells in the group using a set of read thresholds so as to produce readout results. Respective optimal positions for the read thresholds in the set are identified based on the readout results. A noise level in the readout results is estimated based on the identified optimal positions of the read thresholds. | 2014-04-24 |
20140112078 | APPARATUSES AND METHODS INCLUDING MEMORY ARRAY DATA LINE SELECTION - Some embodiments include an apparatus having data lines coupled to memory cell strings and a selector configured to selectively couple one of the data lines to a node. The memory cell strings and the selector can be formed in the same memory array of the apparatus. Other embodiments including additional apparatus and methods are described. | 2014-04-24 |
20140112079 | CONTROLLING AND STAGGERING OPERATIONS TO LIMIT CURRENT SPIKES - Systems and methods are disclosed for managing the peak power consumption of a system, such as a non-volatile memory system (e.g., flash memory system). The system can include multiple subsystems and a controller for controlling the subsystems. Each subsystem may have a current profile that is peaky. Thus, the controller may control the peak power of the system by, for example, limiting the number of subsystems that can perform power-intensive operations at the same time or by aiding a subsystem in determining the peak power that the subsystem may consume at any given time. | 2014-04-24 |
20140112080 | IDENTIFICATION OF A CONDITION OF A SECTOR OF MEMORY CELLS IN A NON-VOLATILE MEMORY - An embodiment solution for operating a non-volatile memory of a complementary type is proposed. The non-volatile memory includes a plurality of sectors of memory cells, each memory cell being adapted to take a programmed state or an erased state. Moreover, the memory cells are arranged in locations each formed by a direct memory cell and a complementary memory cell. Each sector of the non-volatile memory is in a non-written condition when the corresponding memory cells are in equal states and is in a written condition wherein each location thereof stores a first logic value or a second logic value when the memory cells of the location are in a first combination of different states or in a second combination of different states, respectively. In an embodiment, a corresponding method includes the following steps: selecting at least one of the sectors, determining an indication of the number of memory cells in the programmed state and an indication of the number of memory cells in the erased state of the selected sector, and identifying the condition of the selected sector according to a comparison between the indication of the number of memory cells in the programmed state and the indication of the number of memory cells in the erased state. | 2014-04-24 |
20140112081 | DATA-DEPENDENT PULLUP TRANSISTOR SUPPLY AND BODY BIAS VOLTAGE APPLICATION FOR A STATIC RANDOM ACCESS MEMORY (SRAM) CELL - A memory cell includes a true data node, a true pullup transistor, a complement data node and a complement pullup transistor. A true switching circuit selectively supplies a first or second supply voltage to a source of the true pullup transistor. A true bias switching circuit selectively supplies a third or fourth supply voltage to a body of the true pullup transistor. When writing a logic high data value to the true data storage node, a control circuit causes the true switching circuit to supply the second supply voltage and the true bias switching circuit to supply the third supply voltage. The second supply voltage is higher than the first supply voltage, and the fourth supply voltage is higher than the third supply voltage. A similar operation is performed with respect to the complement pullup transistor when writing a logic high data value to the complement data storage node. | 2014-04-24 |
20140112082 | DATA STORAGE DEVICE, CONTROLLER, AND OPERATING METHOD OF DATA STORAGE DEVICE - A nonvolatile memory is provided which includes a memory cell array including a plurality of nonvolatile memory cells; a decoder connected with the memory cell array through a plurality of word lines; a data input/output circuit connected with the memory cell array through a plurality of bit lines; a voltage detector configured to detect a variation in a power supply voltage to output a voltage variation signal; and control logic configured to control the decoder and the data input/output circuit such that data stored at the memory cell array is invalidated in response to the voltage variation signal. | 2014-04-24 |