34th week of 2014 patent applcation highlights part 32 |
Patent application number | Title | Published |
20140233217 | SURFACE LIGHT SOURCE DEVICE AND DISPLAY DEVICE - In a surface light source device ( | 2014-08-21 |
20140233218 | TRANSPARENT LCD WINDOW FRAME WITH ADJUSTABLE LED SPOT LIGHTS - This invention provides a Transparent LCD window frame with adjustable LED spot lights to be primarily use as an information screen when set in front of an object. The transparent LCD displays information, images or videos in front of objects or people that are properly lighted by the built in adjustable spot LED lights. The unit is self contained and operates independent or it can be controlled externally or remotely. | 2014-08-21 |
20140233219 | Love Glow Key - This invention relates to a key that will illuminate in the dark. Why is it needed? The concept serves as a niche for the market and has the potential for making keys. It's easily recognizable simply by associating the key color with homes, locks, garages, offices, machinery and ect. This also includes anything that requires identification of a select key when light may not be available. Who benefits? Adults and children who need to gain access to secure homes at night. The key will reduce fumbling to identify keys during late evenings and nights. Disabled people will benefit because the key will help them maneuver through things during the night quickly. Being able to quickly access a locked vehicle at night will also benefit people. Shut down or disabled machinery could potentially reduce the number of physical attacks on victims, robberies, muggings, murders and ect. | 2014-08-21 |
20140233220 | Electroluminescent Pet Collars, Leashes and Personal Safety Devices - Collar, harness or leash mounted electroluminescent strips are powered by an electronic inverter circuit and batteries inside a plastic housing. A lid on the housing is thinned around a central push button. An extension of the push button activates or deactivates a push switch in the base. An O-ring in a peripheral groove on the base seals a complementary peripheral projection of a lid. Cylinders extend from sides of the base. Knurled and threaded inserts are held in the cylinders. Complementary lid lugs hold set screws which are screwed into the inserts, tightly compressing the O-ring. Knurls on the base and a keeper opposite the knurls hold the housing on the collar. An opening for the electroluminescent strips is partially surrounded by the lugs. | 2014-08-21 |
20140233221 | Single Maneuver Setup Standalone Unit Umbrella Artificial Tree - An umbrella Christmas tree comprising a slide ring, legs pivotably connected to the slide ring and branches rotationally connected to the legs is described. The tree is able to be transformed from a storage position into a continuum of display positions in one motion by sliding a slide ring along the tree trunk, while the legs extend outward increasing the in radius of the base of the tree. Likewise, the transition from a display position to a storage position is accomplished by moving the slide ring in the opposite direction along the tree trunk. These transitions resemble umbrella-like movement. The umbrella tree is pre-embellished with various decorations, including lights and other ornaments, as can be the components of the tree, obviating the need to decorate the tree after it has been set up. The one slide ring design simplifies assembly and disassembly and gives the umbrella tree a neater appearance. | 2014-08-21 |
20140233222 | LAMP AND ILLUMINATED HARDSCAPE - A lamp and a hardscape structure illuminated by the lamp are disclosed. The lamp is formed from a plate to which a light fixture is attached. The plate may have a flange, a decorative face plate and side panels attached to direct light from the fixture along the hardscape on which the lamp is mounted. Mounting is effected by positioning the plate between discrete hardscape elements that are stacked one atop another. A portion of the plate projects out from the structure allowing the fixture to cast light on the structure surface. A light transmitting cover is also provided. | 2014-08-21 |
20140233223 | Wall or picture frame mounted illumination device using light emitting diodes - A picture illuminating device for mounting on the wall above the picture, or on the back of the picture frame. The device utilizes a light emitting diode (LED) or array of LEDs or light tube with LEDs to produce uniform lighting and is powered by conventional or rechargeable batteries which eliminates the requirement of electrical outlets and the spectacle of exposed electrical cords extending down the wall. The device is composed of a stem and a shade. The shade houses the LED or array of LEDs or light tube with LEDs, batteries and the electronic circuit that converts the direct current from the batteries to the current required to power the LED or array of LEDs or light tube with LEDs. The shade may or may not include a reflector which is configured to mount the LED or array of LEDs or light tube with LEDs and batteries so that the shade covers the LED or array of LEDs or light tube with LEDs adequately to prevent any glare from the front while presenting the look of a conventional, corded picture lamp. | 2014-08-21 |
20140233224 | LIGHT-SENSING ILLUMINATION SYSTEM - In one aspect, the present invention relates to an illumination system including a power source, a light source electrically coupled to the power source, and a light sensor electrically coupled to the power source and the light source. The light sensor activates the light source responsive to a pre-determined minimum-lumen threshold being reached. The illumination system is placed inside an interior of a dark area. | 2014-08-21 |
20140233225 | LED LIGHTING MODULE, LED LIGHTING SYSTEM AND LED LIGHTING RETROFIT KIT - The present document describes a LED lighting module forming part of a LED lighting system comprising a troffer, the LED lighting module comprising: a mounting surface comprising a first end and a second end; light emitting diodes (LEDs) located on the mounting surface; a LED module electrical connector assembly located proximate the first end, the LED module electrical connector assembly for releasably connecting to an electrical retrofit connector assembly located proximate a first end of the troffer, the LED module electrical connector assembly for electrically connecting to the LEDs; and a LED module mechanical connector assembly located proximate the second end for releasably connecting to a mechanical connector assembly located proximate a second end of the troffer, the LED module mechanical connector assembly for releasably and mechanically connecting the LED lighting module to the troffer. | 2014-08-21 |
20140233226 | SYSTEM AND METHOD FOR PROVIDING LED TUBE LIGHTS WITH INTEGRATED SENSORS - A system is presented including a tube light mounted in a tube light socket. The tube light includes a printed wiring board, one or more LEDs mounted to the printed wiring board, and one or more sensors mounted to the printed wiring board. The tube light also includes a power supply mounted to the printed wiring board, such that the power supply is connected to the tube light socket to supply a direct current voltage signal to the printed wiring board. A method is also provided for forming the tube light and mounting the tube light into the tube light socket. | 2014-08-21 |
20140233227 | HOLDER ELEMENT FOR HOLDING AT LEAST ONE FLAT SURFACE-LIGHT LAMP, SET OF A PLURALITY OF LAMPHOLDERS AND A PLURALITY OF ELONGATE HOLDING BODIES AND LUMINAIRE - A holder element for holding at least one flat surface-light lamp includes: an elongate, flat plate body having an upper plate side and a lower plate side arranged opposite the upper plate side, and one or more lampholders, which can be fitted on the plate body, for mechanically holding and making electrical contact with a flat surface-light lamp, wherein an engagement portion is formed on each of the two longitudinal ends of the plate body and is formed by a cutout, which extends, in plan view, from the respective longitudinal end of the plate body over the entire width of the plate body in the direction toward the longitudinal center, such that the plate body can be connected at each of its two longitudinal ends to another, identically formed plate body so as to form a form-fitting connection formed by the engagement portions of the adjacent plate bodies. | 2014-08-21 |
20140233228 | Lighting Fixture - According to one embodiment, there is provided a lighting fixture including a light source module and a support unit. The light source module includes a case which has the shape of a tube extending in a first direction, includes an opening, a substrate on which plural light sources are provided, and which is held in the case so that the plural light sources face the side opposite to the opening, and a mounting plate which is held by the case while being inserted between the opening and the substrate and is thermally connected to the substrate. The support unit includes a support plate which supports the light source module, and a frame which surrounds the outer edge of the support plate. An end portion of the light source module in the first direction is covered with the frame. The respective light sources are not covered with the frame. | 2014-08-21 |
20140233229 | LUMINAIRE AND OUTPUT ELEMENT COUPLING MECHANISM THEREFOR - Described are various embodiments of a luminaire and output element coupling mechanism therefor. In one embodiment, a recessable luminaire comprises two or more luminaire modules, each one of which comprising a recessable housing having opposed side walls. The luminaire further comprises an output element securable along and between these side walls to at least partially define an output of the luminaire, and opposed inwardly biased output coupling structures extending at least partially along respective side walls and adapted to receive and resiliently secure corresponding edges of the output element therein. | 2014-08-21 |
20140233230 | LED LUMINARY AND METHOD FOR FABRICATING THE SAME - In various embodiments, an LED luminary may include: a plurality of LED light emitting elements; and an installation component for installing the plurality of LED light emitting elements in the LED luminary, wherein the plurality of LED light emitting elements are installed so that the LED light emitting elements are not on the same plane. In various embodiments, a method for fabricating an LED luminary may include: preparing an installation component; and installing a plurality of LED light emitting elements in the LED luminary through the installation component so that the LED light emitting elements are not on the same plane. | 2014-08-21 |
20140233231 | LIGHT FIXTURES AND MULTI-PLANE LIGHT MODIFYING ELEMENTS - In an example embodiment, a light fixture is provided that includes an enclosure with an aperture plane and two or more linear light emitting diode (LED) arrays configured to mount within the enclosure on LED array mounting features that are oriented at an angle between about 80 degrees and about 135 degrees relative to a back surface plane of the enclosure. The light fixture may further include a lens with an axis of symmetry defining two opposing lens halves that define substantially planar outer portions and curved inner portions. The two lens halves may be configured to intersect or join in proximity to the axis of symmetry that is disposed parallel, and above or in proximity to the two or more linear LED arrays. The outer edges of the substantially planar outer lens portions are disposed in proximity to opposing edges of the aperture plane of the enclosure. | 2014-08-21 |
20140233232 | MODULAR LIGHTING SYSTEM - The invention proposes a lighting system ( | 2014-08-21 |
20140233233 | LED ILLUMINATION DEVICE - Disclosed is an LED illumination device of a simple configuration, capable of suppressing thermal resistance to a low level, and of effectively dissipating heat generated from LED elements. Rigidity of a mounting plate is ensured by a wall of a certain height, and thereby the mounting plate now becomes possible to endure saturation vapor pressure of a coolant liquid possibly exerted thereon, and vacuum state or near-vacuum state when the coolant liquid is injected, without being deformed. Since the rigidity of the mounting plate is ensured by the wall, a wall composing a bottom face of recesses may now be thinned, and this is advantageous in view of allowing the heat generated from the LED elements to effectively conduct to the coolant liquid, and of effectively cooling the LED elements. | 2014-08-21 |
20140233234 | Retractable light string inside an ornament device - An ornament device for storing and deploying ornamental lights is formed as a shell or housing. The shell or housing stores and provides for deploying a string of ornament lights. The sting of ornamental lights is formed with an electrical wire interconnecting a plurality of ornamental lights interspaced along the wire that is connected on opposing wire ends to a male connector and a female connector. A retractable winding mechanism is arranged within the shell or housing for winding and maintaining the string of lights to a storage state and, for unwinding the string of lights to a deployment state. | 2014-08-21 |
20140233235 | Ballistic Shields - A novel hand carried ballistic shield is disclosed. Optimal shields have a shield plate, a forestock seat, and a forearm carrier generally provided as a plurality of adjustable straps. If fixed to the plate, the straps are aligned at an upward forearm angle; if the carrier is rotatably adjustable with straps mounted on the rotatable plate, the angle of the forearm relative to the horizontal lever of the shield plate can be individually adjusted to achieve an optimum upward angle of the forearm to avoid anatomical strain, and to place the forestock hand just below the forestock seat. The forestock seat is formed in the shield plate at an upper corner of the plate and inset in an upper corner cut-out in the plate. The bottom of the cut-out desirably has a rounded profile to optimally receive the forestock of the primary weapon. The seat is positioned in the shield plate to be just above where the forearm straps position the user's hand. | 2014-08-21 |
20140233236 | GROUND COMPOSITE BODY COMPRISING A GLASS BODY AND A PLASTIC - A decorative composite body includes a glass body and a plastic partly enclosing the glass body, wherein part of the surface of the glass body is arranged on the outside of the decorative composite body, wherein at least two adjacent glass and plastic areas arranged on the outside of the composite body are ground in the composite state, wherein areas of the glass body adjacent to the plastic are at least partly mirrored. | 2014-08-21 |
20140233237 | LIGHT CONCENTRATOR ASSEMBLY - A light concentrator assembly includes a concentrator portion having multiple light concentrators. The light concentrator assembly concentrates light received from different parts of a light source, such as a light emitting diode, and outputs light beams that have an angular spectrum narrower than the light beam received from the light source. Each concentrator of the light concentrator assembly concentrates light from one or more parts of the same light source. Light can optionally be routed from the different parts of the light source to different ones of the multiple light concentrators using multiple angular rotators that maintain the angular spectrum of the light output by the different parts of the light source. | 2014-08-21 |
20140233238 | STAGE LIGHTING FIXTURE - A stage lighting fixture having:
| 2014-08-21 |
20140233239 | LIGHT-EMITTING MODULE, LIGHT-EMITTING DEVICE, AND LUMINAIRE - According to one embodiment, a light-emitting module includes a substrate, a cover, a frame body, and a resin layer. A light-emitting section including a light-emitting element is provided on the substrate. The cover has translucency and is opposed to the light-emitting section. The frame body is interposed between the substrate and the cover around the light-emitting section. The resin layer has translucency and is interposed between the light-emitting section and the cover while being set in contact with the light-emitting section and the cover. | 2014-08-21 |
20140233240 | DISK HAVING AN ILLUMINATED SWITCH SURFACE - A disk having an illuminated switch surface is described. The disk has a transparent substrate, an electrically conductive structure, which forms a switch surface, a flat conductor, which is electrically connected to the electrically conductive structure by means of an electrical connecting element, a light-irradiation means, which has at least one light source and is arranged on the flat conductor and on a lateral edge of the substrate. Light is coupled into the disk from the lateral edge of the substrate and from a light-refracting means, which is arranged in the region of the disk irradiated by the light of the light-irradiation means. | 2014-08-21 |
20140233241 | CIRCUIT BOARD ELEMENT HAVING AT LEAST ONE LED - The invention relates to a circuit board element ( | 2014-08-21 |
20140233242 | LIGHT SOURCE MODULE AND LIGHTING APPARATUS HAVING THE SAME - A light source module including a light source, a first lens disposed above the light source and including a through hole penetrating through top and bottom surfaces thereof, and a second lens disposed to face the light source within the through hole and moving in an optical axis direction to adjust an amount of light incident to the first lens, the light generated by the light source, may be provided. | 2014-08-21 |
20140233243 | USE OF A LIGHT-DIFFUSING POLYCARBONATE SHEET AS A LIGHT COVER - The present invention therefore provides for the use of a light-diffusing polycarbonate sheet based on a composition comprising A) 99.9 to 80% by weight of polycarbonate and B) 0.1 to 20% by weight of diffusing pigment selected from at least one from the group of the silicone resins and the acrylate resins as a light cover, preferably in LED light applications. | 2014-08-21 |
20140233244 | LENS SLIDE FOR AN AUTOMATED LUMINAIRE - The described systems | 2014-08-21 |
20140233245 | LED-Based Lighting With Reflector Mounted On PCB - An LED-based lighting component is disclosed. It comprises of a plurality of LEDs mounted to a printed circuit board. Furthermore, a surface mount reflector of a metal sheet with punched out reflector surfaces is located on the printed circuit board. The surface mount reflector forms at least two reflectors at opposing sides of each LED, reflecting and/or shading light from the LED. The surface mount reflector and the printed circuit board are held together within a frame. | 2014-08-21 |
20140233246 | PIVOTING THERMAL TRANSFER JOINT - A recessed luminaire thermal management assembly ( | 2014-08-21 |
20140233247 | SEMICONDUCTOR LIGHTING DEVICES AND METHODS - Lighting device embodiments having a housing enclosing one or more interior volumes, along with a serviceable port in the housing to allow venting of one or more of the interior volumes, are disclosed. The lighting devices may further include internal venting paths to allow transfer of contaminating gases to the serviceable port, and a gas permeable pressure valve to allow transfer of contaminants from the interior of the lighting device. The pressure valve may be selectively permeable as a function of applied exterior pressure. The lighting device may also include one or more electronic circuit elements disposed in the one or more interior volumes, and a selectively permeable barrier element disposed in the housing having a first area exposed to one of the interior volumes and a second area exposed to a gas or liquid volume exterior to the housing to allow diffusion of browning contaminants from the one of the interior volumes to the gas or liquid volume exterior to the housing. | 2014-08-21 |
20140233248 | CUP-SHAPED HEAT DISSIPATION MEMBER APPLICABLE IN ELECTRIC-POWERED LIGHT EMITTING UNIT - The present invention provides a novel cup-shaped heat dissipater structure for meeting the heat dissipation requirement of an electric luminous body; the outer and/or inner surface of the cup-shaped heat dissipater ( | 2014-08-21 |
20140233249 | TAPE PACKAGE AND FLAT PANEL DISPLAY DEVICE INCLUDING THE SAME - Provided are a tape package and a flat panel display device including the tape package. The tape package includes a base film, a semiconductor chip mounted on one surface of the base film, a wire pattern including an input wire pattern and an output wire pattern formed on one surface of the base film and electrically connected with the semiconductor chip, a solder resist covering the remaining portion, except for an end of the wire pattern, and a protection film provided on an edge at one side of the solder resist facing an end of the output wire pattern. | 2014-08-21 |
20140233250 | INTELLIGENT LIGHT DEVICE FOR A VEHICLE - An intelligent light device for a vehicle includes a light body, a light-controlling unit, a light-emitting unit and a condensing lens. The light-controlling unit has a MCU and a PWM. The light-controlling unit is used to sense a first illumination level of a surrounding area of a light projection region. Wherein when the MCU receives a signal of the first illumination level, the MCU generates one command of a difference value between a preset illumination level and the first illumination level; and then, the MCU transmits one command to the PWM; thereafter, the PWM adjusts a second illumination level of the light-emitting unit according to one command from the MCU so as to achieve a third illumination level of the light projection region. | 2014-08-21 |
20140233251 | BLOCK LIGHT MODULE - A light module for a motor vehicle is disclosed. The light module includes a light source and a reflecting unit. The light module also includes an optical waveguide, wherein the waveguide is formed by a plate-shaped body having an L-shaped cross section, the light-reflecting unit comprises a reflector arranged in front of a shorter input part of the waveguide, and wherein at a place where a shorter inlet part of the waveguide passes into a longer outlet part of the waveguide, an angled surface is provided for total reflection of light passing through the shorter inlet part of the waveguide to the longer outlet part of the waveguide, wherewith a bottom area and an adjacent face of the outlet part of the waveguide are provided with a white coating. | 2014-08-21 |
20140233252 | VEHICLE LIGHTING DEVICE - There is provided a lighting device which is to be mounted on a vehicle. The lighting device includes: a housing forming a lamp chamber, the housing including a wall having an opening therethrough; a light source which is disposed in the lamp chamber; a heat sink, wherein the light source is fixed to the heat sink; a fixation portion, wherein the heat sink is fixed to the housing via the fixation portion. A first portion of the heat sink faces an inner surface of the wall. A second portion of the heat sink is exposed to an outside of the wall through the opening. The fixation portion is provided on the outside of the wall to face the opening. | 2014-08-21 |
20140233253 | VEHICLE HEADLIGHT - A vehicle headlight utilizes a rotationally asymmetric projection lens with its light emitting surface inclined with respect to the optical axis thereof, whereby the light emitted from the light source and projected forward through the light emitting surface of the projection lens is diffused substantially uniformly with respect to the optical axis of the projection lens, for example, uniform substantially in the right and left directions and/or the upper and lower directions. This can be achieved by designing the reflecting surface to have its optical axis inclined with respect to the optical axis of the projection lens by a predetermined angle so that light emitted from the light source and projected forward through the light emitting surface of the projection lens is made uniform with respect to the optical axis of the projection lens (for example, uniform substantially in the right and left directions and/or the upper and lower directions). | 2014-08-21 |
20140233254 | LIGHTING AND/OR SIGNALING UNIT, NOTABLY FOR A MOTOR VEHICLE - A lighting and/or signaling unit comprising a pair of light sources both cooperating with an optical element in such a way as to form two output light beams, depending on the desired lighting function. The output diopter, notably formed by elliptical portions, is adapted to accommodate the generation of beams from two sources spaced apart. | 2014-08-21 |
20140233255 | HEADLAMP DEVICE FOR AUTOMOBILE - A headlamp device of a vehicle is configured as follows: A headlamp housing | 2014-08-21 |
20140233256 | Sunny Bright Solar Lighting - Sunny Bright Solar Lighting is an easily mounted roof solar sunpipe that magnifies and concentrates the incoming sun light with an internally mounted and focused nonimaging Fresnel lens paired with a Kohler concentrator lens in order to magnify and concentrate the focused intense sun light onto a fiber optic illumination systems glass plate, used for solid core fiber optic lighting cables, and a bundle of seven 14 mm solid core endglow plastic fiber optic cables that carries only light waves in a visible light spectrum to seven different rooms that are up to thirty three feet away from the roof mounted sunny bright solar tube. Each fiber optic cable has an easily installed adjustable light aperture with diffuser on the end in order to dim or turn off each light independently this would allow sunny bright solar lighting to bring the suns light into any desired room during the day and at night the 110v LED lighting array that is internally mounted in the sunny bright solar tube would replace the sunlight to continue lighting the seven different rooms. | 2014-08-21 |
20140233257 | LIGHT EMITTING MODULE APPLIED TO DISPLAY DEVICE - A light emitting module includes a first circuit board, a driver chip, two connectors, a second circuit board and a plurality of light emitting units. The driver chip is disposed on the first circuit board. The two connectors are disposed on the first circuit board and electrically connected to the driver chip. The second circuit board has two groups of connecting cables and each group of connecting cables is electrically connected to one of the two connectors. The light emitting units are disposed on the second circuit board and electrically connected to the two groups of connecting cables. | 2014-08-21 |
20140233258 | BACKLIGHT MODULE - A backlight module includes: a light guiding plate; at least one light guiding point which is formed on a bottom surface of the light guiding plate; an upper light-permeable thin film disposed on a top surface of the light guiding plate; a lower light-permeable thin film disposed on the bottom surface of the light guiding plate and opposite to the upper light-permeable thin film; and a luminous element from which light beams are incident to the light guiding plate. The upper and lower light-permeable thin films respectively have refractive indices lower than that of the light guiding plate so that a total internal reflection of the light beams occurs between the upper and lower light-permeable thin films. | 2014-08-21 |
20140233259 | DISPLAY DEVICE - A display device includes a display module configured to output image information, a front case configured to cover a front edge portion of the display module, with an opening formed in a central portion, and a rear case coupled to the front case to cover a back side of the display module, with a rib projected therefrom to support the back side of the display module. The display module includes a display panel, a light guide unit arranged on the back side of the display panel, a back cover configured to cover the first lateral side of the light guide unit and a predetermined portion of the back side of the light guide unit, and a light source coupled to the back cover. The display device may reduce the material cost and the overall weight by omitting a metallic top cover and reducing the size of the back cover. | 2014-08-21 |
20140233260 | CHANGING GRAPHICS IN AN APPARATUS INCLUDING USER INTERFACE ILLUMINATION - An apparatus includes a light guide. A first light input section receives light in a first direction into said light guide. First direction-dependent outcoupling structures selectively couple out light propagating in said first direction in said light guide. A second light input section receives light in a second direction into said light guide. Said second direction is different than said first direction. Second direction-dependent outcoupling structures selectively couple out light propagating in said second direction in said light guide. | 2014-08-21 |
20140233261 | DISPLAY DEVICE AND MULTI-DISPLAY DEVICE - A display device ( | 2014-08-21 |
20140233262 | Pseudo Zero Vectors for Space Vector Modulation and Enhanced Space Vector Modulation - A method of performing space vector modulation for PWM control for creating AC waveforms includes generating and sampling a reference signal to generate reference samples and performing a reference vector approximation to synthesize a reference vector associated with at least one of the reference samples. The reference vector approximation employs active vectors, one or more zero vectors, and one or more pseudo zero vectors in the formation thereof. Another method of performing space vector modulation (SVM) includes generating a reference signal and sampling the reference signal at a sampling frequency to generate a plurality of reference samples. The method also includes performing a reference vector approximation to synthesize a reference vector associated with at least one of the reference samples, wherein the reference vector approximation has a first portion that employs two adjacent active vectors and a remaining portion that employs two non-adjacent active vectors in the formation thereof. | 2014-08-21 |
20140233263 | TRACKING METHOD AND TRACKING DEVICE FOR A VOLTAGE CONVERTER FOR A PHOTOVOLTAIC SYSTEM - The disclosure relates to a tracking method for a voltage transformer, in particular an inverter, of a photovoltaic system. In the method, an intermediate circuit voltage is repeatedly decreased or increased in one direction to a lower or higher voltage by voltage steps of a specified magnitude. The method is characterized in that an average rate of change of the intermediate circuit voltage in a partial time period between two voltage steps is limited by a maximum average rate of change, the maximum average rate of change being defined according to the magnitude of the intermediate circuit voltage. The disclosure further relates to a tracking device designed to perform the tracking method and to an inverter equipped with the tracking device. | 2014-08-21 |
20140233264 | Single stage PFC power supply - A single stage power factor correction power supply consists of two transformers: a main transformer and an auxiliary transformer (forward transformer). The main transformer transfers energy from the primary circuit to secondary circuit. The auxiliary transformer is used to correct input current waveform. The advantage of this design over the two stages power supply is that the voltage across storage capacitor can be designed to be only slightly higher than the peak value of the rectified input voltage. Therefore, it uses less energy to correct input current waveform and less EMC problem because it has less current through the inductor than two stage PFC power supply. | 2014-08-21 |
20140233265 | ELECTRIC POWER CONVERSION SYSTEM AND ELECTRIC POWER CONVERSION METHOD - An electric power conversion system includes: a primary circuit including a first port, a second port and a primary electric power conversion unit; and a secondary circuit magnetically coupled to the primary circuit by a transformer and including a third port, a fourth port and a secondary electric power conversion unit. The electric power conversion system is configured to convert electric power between any two of the four ports with the use of the primary and secondary electric power conversion units, and convert electric power between the first and second ports and between the third and fourth ports with the use of electric power conversion circuit portions other than a faulty electric power conversion circuit portion among a plurality of electric power conversion circuit portions configured in the primary and secondary electric power conversion units. | 2014-08-21 |
20140233266 | POWER SUPPLY SYSTEM, IMAGE FORMING APPARATUS HAVING THE POWER SUPPLY SYSTEM, AND CONTROL METHOD OF THE POWER SUPPLY SYSTEM - A power supply system includes: a switching power supply for converting an AC voltage from an AC power supply into a DC voltage; a latching relay provided on an AC input line for switching a connection state of the switching power supply with the AC power supply in response to a relay drive signal; a control device for generating a relay control signal; a relay drive circuit for generating the relay drive signal in response to an input of the relay control signal and driving the latching relay by the relay drive signal; a battery for supplying electric power to the control device and the relay drive circuit when they are connected; and a switch for switching the connection state of the battery with respect to the control device and the relay drive circuit. | 2014-08-21 |
20140233267 | POWER CONVERTER AND METHOD OF CONVERTING POWER - A power converter and a method of converting power are provided. The power converter includes a resonant converting circuit and a control circuit. The resonant converting circuit converts an input power into an output power, and provides the output power to a load. The control circuit receives a feedback signal corresponding to the output power and the load, and outputs a driving signal according to the feedback signal to drive the resonant converting circuit. The control circuit selectively adjusts a duty period and an operating frequency of the driving signal according to a power required by the load. | 2014-08-21 |
20140233268 | CONTROLLER OF A POWER CONVERTER WITH ADJUSTABLE JITTER AMPLITUDE AND METHOD OF GENERATING ADJUSTABLE JITTER AMPLITUDE THEREOF - A controller of a power converter with adjustable jitter amplitude includes a feedback pin, a logic circuit, an auxiliary pin, and a current sensing pin. The feedback pin is used for receiving a feedback voltage from a secondary side of the power converter. The feedback voltage corresponds to an output voltage of the secondary side of the power converter. The logic circuit is used for generating a jitter signal according to a clock, the feedback voltage, and a first resistor. The auxiliary pin is used for receiving a voltage corresponding to an auxiliary winding of the power converter. The current sensing pin is used for generating a detection voltage according to a current flowing through a primary side of the power converter. The voltage, the jitter signal, and the detection voltage determine turning-on time of the primary side of the power converter. | 2014-08-21 |
20140233269 | AVERAGE INPUT CURRENT ESTIMATION BASED ON PRIMARY SIDE CURRENT SENSE - The embodiments herein describe a power converter including a controller that estimates input current of the power converter. The controller estimates the input current without explicitly sensing the input current. The estimated input current can be used in various applications such as regulating power factor and total harmonic distortion as well as estimating current required to maintain proper operation of a dimmer switch in light emitting diode lamp systems. | 2014-08-21 |
20140233270 | VOLTAGE CONVERSION AND CHARGING FROM LOW BIPOLAR INPUT VOLTAGE - A circuit includes a transformer configured with a primary winding and a secondary winding that are driven from a voltage supplied by a thermoelectric generator (TEG). The circuit includes a bipolar startup stage (BSS) coupled to the transformer to generate an intermediate voltage. The BSS includes a first transistor device coupled in series with the primary winding of the transformer to form an oscillator circuit with an inductance of the secondary winding when the voltage supplied by the TEG is positive. A second transistor device coupled to the secondary winding of the transformer enables the oscillator circuit to oscillate when the voltage supplied by the TEG is negative. After startup, a flyback converter stage can be enabled from the intermediate voltage to generate a boosted regulated output voltage. | 2014-08-21 |
20140233271 | SYSTEMS AND METHODS FOR REDUCING ELECTROMAGNETIC INTERFERENCE BY ADJUSTING SWITCHING PROCESSES - System and method for regulating a power conversion system. An example system controller for regulating a power conversion system includes a signal generator and a driving component. The signal generator is configured to receive a feedback signal associated with an output signal of a power conversion system and a current sensing signal associated with a primary current flowing through a primary winding of the power conversion system and generate a modulation signal based on at least information associated with the feedback signal and the current sensing signal. The driving component is configured to receive the modulation signal and output a drive signal to a switch based on at least information associated with the modulation signal. | 2014-08-21 |
20140233272 | SYSTEM AND METHOD FOR SYNCHRONOUS RECTIFIER - A synchronous rectification circuit for a power supply includes a power switch for coupling to a secondary winding of a transformer of the power supply and an output capacitor of the power supply. The power switch includes a four-terminal MOSFET having a source, a drain, a gate, and a body. A body diode is formed by a junction between the body and the drain or by a junction between the body and the source. The body diode is coupled in parallel to the source and drain of the power transistor. A control circuit is configured to provide a control signal for controlling an on/off state of the power switch in response to a voltage condition of two terminals of the power switch. When the body diode makes a transition from reverse bias to forward bias, the control circuit causes the MOSFET to turn on, and when the forward bias voltage drops below a reference voltage, the control circuit causes the MOSFET to turn off. When the body diode makes a transition from forward bias to reverse bias, the control circuit causes the MOSFET to turn off | 2014-08-21 |
20140233273 | SWITCHING POWER SOURCE DEVICE AND CONTROL IC WHICH ARE CAPABLE OF PERFORMING CONSTANT POWER CONTROL - The present invention is a switching power source device which converts AC power of an AC power source into DC power and outputs the DC power, the device including: a rectifying-smoothing circuit configured to output a rectified-smoothed voltage signal obtained by rectifying and smoothing an AC voltage of the AC power source; a transformer having a primary winding, a secondary winding, and an auxiliary winding; a switching element connected to the primary winding of the transformer; and a control circuit configured to turn the switching element on and off based on a voltage signal which is based on an average value of current flowing through the switching element and the rectified-smoothed voltage signal from the rectifying-smoothing circuit. | 2014-08-21 |
20140233274 | POWER SUPPLY CONTROLLER WITH MINIMUM-SUM MULTI-CYCLE MODULATION - An example power supply controller includes a signal separator circuit that generates a feedback signal. An error signal generator generates an error signal in response to the feedback signal. A control circuit generates a drive signal in response to the error signal. The drive signal controls switching of a switch. A multi-cycle modulation circuit is included in the control circuit and generates a skip signal in response to a start skip signal, a stop skip signal and a skip mask signal. The skip mask signal is generated in response to the skip signal. The start skip and stop skip signals cause the drive signal to start skipping or stop skipping, respectively, on-time intervals of cycles. The skip mask signal disables the start skip signal from causing the drive signal to start skipping the on-time intervals of cycles. | 2014-08-21 |
20140233275 | ADAPTIVE ACTIVE CLAMP OF FLYBACK POWER CONVERTER WITH HIGH EFFICIENCY FOR HEAVY LOAD AND LIGHT LOAD - A control circuit of a flyback power converter according to the present invention comprises a low-side transistor, an active-damper, a high-side drive circuit, and a controller. The low-side transistor is coupled to switch a transformer. The active-damper is coupled in parallel with the transformer. The high-side drive circuit is coupled to drive the active-clamper. The controller generates a switching signal and an active-clamp signal. The switching signal is coupled to drive the low-side transistor. The switching signal is generated in accordance with a feedback signal for regulating an output of the flyback power converter. The active-clamp signal is coupled to control the high-side drive circuit and the active-damper. The active-clamp signal is generated in response to a demagnetizing time of the transformer. The pulse number of the active-clamp signal is less than the pulse number of the switching signal in a light load condition. | 2014-08-21 |
20140233276 | POWER CONVERTER CONTROL METHOD - When an AC voltage is outputted to an inductive load, pulsation of an effective power caused by an odd number-th order harmonic component of a current flowing in this load is reduced. A modulation factor k of an inverter | 2014-08-21 |
20140233277 | DIRECT CURRENT POWER DELIVERY SYSTEM AND METHOD - A power transmission system includes a first unit for carrying out the steps of receiving high voltage direct current (HVDC) power from an HVDC power line, generating an alternating current (AC) component indicative of a status of the first unit, and adding the AC component to the HVDC power line. Further, the power transmission system includes a second unit for carrying out the steps of generating a direct current (DC) voltage to transfer the HVDC power on the HVDC power line, wherein the HVDC power line is coupled between the first unit and the second unit, detecting a presence or an absence of the added AC component in the HVDC power line, and determining the status of the first unit based on the added AC component. | 2014-08-21 |
20140233278 | SYSTEM AND METHOD FOR SINGLE-PHASE AND THREE-PHASE CURRENT DETERMINATION IN POWER CONVERTERS AND INVERTERS - A system and method for capturing current information for a power converter is disclosed. The current monitoring system includes a control system operably connected to a circuit having a plurality of semiconductor switches that are controllable to convert an input power to an output power having a desired voltage and current. The control system includes a PWM signal generator to generate switching signals that control switching of the switches, gate drivers to facilitate switching of the switches, and desaturation circuits to provide overcurrent protection to the switches. The control system further includes a processor that receives voltage data from the desaturation circuits regarding a measured voltage across each of the switches, determines a current through each of the switches based on the voltage across each respective switch, and calculates an input current to the circuit or an output current of the circuit based on the determined currents through the switches. | 2014-08-21 |
20140233279 | POWER CONVERSION APPARATUS - An inverter circuit including a DC capacitor is connected in series to an AC power supply, and at the stage subsequent to the inverter circuit, a smoothing capacitor is connected via a converter circuit. A short-circuit period T for short-circuiting the AC terminals of the converter circuit is provided in one cycle, whereby the converter circuit is controlled, and PWM control is performed for the inverter circuit so as to improve an AC power supply power factor. When current control by the inverter circuit cannot be performed, the PWM control is switched to PWM control for the converter circuit, to perform current control. | 2014-08-21 |
20140233280 | POWER CONVERSION DEVICE - An electric power conversion device comprises a conversion circuit having bi-directionally switchable plural pairs of switching elements connected to respective phases and converting an inputted AC power into an AC electric power. A first switching time is calculated using detected voltages detected by voltage sensors and an output command value. A second switching time is calculated using a carrier and the first switching time. A control signal generating section generates control signals to switch on and off of the switching elements using the first switching time and second switching time. In a case where a state is transited from the first switching time to the second switching time, a controller tarns off one of on state switching elements of either one of an upper arm circuit or a lower arm circuit and maintains on state of the other of the on state switching elements of the other arm circuit. | 2014-08-21 |
20140233281 | POWER CONVERTER WITH NOISE-CURRENT REDUCTION CAPACITOR - In a power converter, a housing is grounded. A power converter circuit is installed in the housing and configured to perform power conversion of input power into output power. An external terminal is electrically connected to the power converter circuit for connection of an external device to the power converter circuit. A first capacitor has first and second electrodes. The first electrode of the first capacitor is connected to the external terminal, and the second electrode thereof is connected to the housing. A second capacitor has first and second electrodes. The first electrode of the second capacitor is connected to the external terminal, and the second electrode thereof is connected to the housing. The first capacitor, the external terminal, the second capacitor, and the housing is arranged to provide a conductive loop. | 2014-08-21 |
20140233282 | NOISE FILTER - A noise filter is assembled to an electric power conversion device and has a metal housing casing and two capacitors connected to an external terminal of the device through which an electric power conversion circuit is connected to an external device. The two capacitors, the housing casing and the external terminal make a current loop. A magnetic flux of an alternating magnetic field generated in a part of the electric power conversion circuit penetrates in a first area and a second area formed in the current loop. A first induced noise current is induced in the current loop when the magnetic flux of the generated magnetic field penetrates in the first area. A second induced noise current is induced in the current loop when the magnetic flux penetrates in the second area so that the first induced noise current flows in a reverse direction to the second induced noise current. | 2014-08-21 |
20140233283 | STARTUP CIRCUIT AND METHOD FOR AC-DC CONVERTERS - An AC-DC power converter includes a rectifying unit for generating a rectified voltage, an output stage for converting the rectified voltage into a DC voltage for a load, a controller for controlling the output stage, and a start-up circuit. The start-up circuit includes a start-up voltage generator coupled to the rectifying unit and configured to generate a start-up voltage from the rectified voltage and to output the start-up voltage to the controller to provide power for operation of the controller before the output stage starts outputting power. The start-up voltage generator includes a first depletion mode transistor having a first terminal configured to receive the rectified voltage, a second terminal configured to output at least partially the start-up voltage, and a gate terminal which is grounded. | 2014-08-21 |
20140233284 | OVER VOLTAGE PROTECTION FOR ELECTRIC MACHINES - A system and method for protecting an electrical power generation system from an over-voltage. The output voltage of a multi-phase rectifier, operatively connected between the output terminals of an electric machine and a load, is monitored. The input of the multi-phase rectifier is short-circuited upon detection that the output voltage has reached a threshold voltage. Removal of the short-circuiting of the input of the multi-phase rectifier is synchronized with a substantially zero-crossing of phase current flowing through switching devices in the rectifier once the output voltage is no longer above the threshold voltage. | 2014-08-21 |
20140233285 | INTEGRATED CIRCUIT DEVICE FOR POWER SUPPLY - An integrated circuit device, for a power supply that is connected to an AC power source via an input circuit having a capacitor, is able to reliably discharge the capacitor when the AC power source is interrupted. The integrated circuit device includes a first discharge circuit that operates in response to an internal supply voltage and discharges the capacitor via a first switch element that is turned on when the input voltage provided via the input circuit falls below a set voltage, and a second discharge circuit having a second switch element that is turned off when receiving the internal supply voltage but is turned on in response to the input voltage when the supply of internal supply voltage is interrupted. | 2014-08-21 |
20140233286 | Distributed Power Harvesting Systems Using DC Power Sources - A method for maintaining reliability of a distributed power system including a power converter having input terminals and output terminals. Input power is received at the input terminals. The input power is converted to an output power at the output terminals. A temperature is measured in or in the environment of the power converter. The power conversion of the input power to the output power may be controlled to maximize the input power by setting at the input terminals the input voltage or the input current according to predetermined criteria. One of the predetermined criteria is configured to reduce the input power based on the temperature signal responsive to the temperature. The adjustment of input power reduces the input voltage and/or input current thereby lowering the temperature of the power converter. | 2014-08-21 |
20140233287 | CONTROL METHOD AND SYSTEM FOR CORRECTING THE VOLTAGES TO BE APPLIED TO AN ELECTRICAL LOAD - A control method to be implemented in a power converter, the power converter including an inverter module controlled by a control rule that makes it possible to determine a control voltage to be applied to an electrical load on the basis of a reference control voltage. The control method includes determining a correction value to be applied to the reference control voltage, the correction value being determined from a first filtered voltage obtained by filtering a voltage that is representative of the real measured voltage, and a second filtered voltage obtained by filtering a voltage that is representative of the reference control voltage. | 2014-08-21 |
20140233288 | HIGH-FREQUENCY RMS-DC CONVERTER USING CHOPPER-STABILIZED SQUARE CELLS - An RMS-DC converter includes a chopper-stabilized square cell that eliminates offset, thus enabling high-bandwidth operation. The chopper-stabilized offset requires only a small portion of the circuitry (i.e., a single component square cell) which operates at high frequencies, and is amenable to using high-bandwidth component square cells. Using the chopping technique minimizes required device sizes without compromising an acceptable square cell dynamic range, thereby maximizing the square cell bandwidth. The RMS-DC converter consumes less power than conventional RMS-to-DC converters that requires a high-frequency variable gain amplifier. | 2014-08-21 |
20140233289 | Pseudo Zero Vectors for Space Vector Modulation and Enhanced Space Vector Modulation - A method of performing space vector modulation for PWM control for creating AC waveforms includes generating and sampling a reference signal to generate reference samples and performing a reference vector approximation to synthesize a reference vector associated with at least one of the reference samples. The reference vector approximation employs active vectors, one or more zero vectors, and one or more pseudo zero vectors in the formation thereof. Another method of performing space vector modulation (SVM) includes generating a reference signal and sampling the reference signal at a sampling frequency to generate a plurality of reference samples. The method also includes performing a reference vector approximation to synthesize a reference vector associated with at least one of the reference samples, wherein the reference vector approximation has a first portion that employs two adjacent active vectors and a remaining portion that employs two non-adjacent active vectors in the formation thereof. | 2014-08-21 |
20140233290 | INVERTER SYSTEM AND DRIVING METHOD FOR AN INVERTER SYSTEM - The present invention provides optimized driving of an inverter device. The inverter of such an inverter device may alternatively be driven in two-level operation or in three-level operation. Through a suitable selection of the driving method, the semiconductor losses in the inverter may be minimized and the thermal loading of the components used may be controlled in a targeted manner. Using the provided operating method for an inverter, more efficient and more protective inverter operation is possible, even at low output voltages and highly inductive or capacitive loading. | 2014-08-21 |
20140233291 | INVERTER STACK - An inverter stack includes an inverter main body housing an inverter circuit inside, and a fan block disposed on the inverter main body through an engagement device and housing a plurality of fans. The engagement device includes a bolt member penetrating through a slot formed in the inverter main body, wherein a body portion of the bolt member is screwed into a nut fixed to a plate member, and having a stopper nut, and an engagement hole formed in the fan block, the engagement hole having an attachment hole portion and a clamping hole portion formed continuously. When the bolt member is tightened in which the body portion passes through the clamping hole portion, the fan block is engaged with the inverter main body, and when the bolt member is released, the fan block is pulled out to the front side to be disengaged from the inverter main body. | 2014-08-21 |
20140233292 | 3D SEMICONDUCTOR DEVICE - A three-dimensional (3D) semiconductor device may include a stack of chips, including a master chip and one or more slave chips. I/O connections of slave chips need not be connected to channels on a motherboard, and only electrode pads of a master chip may be connected to the channels. Only the master chip may provide a load to the channels. A through-substrate via (TSV) boundary may be set on a data input path, a data output path, an address/command path, and/or a clock path of a semiconductor device in which the same type of semiconductor chips are stacked. | 2014-08-21 |
20140233293 | PERMUTATIONAL MEMORY CELLS - Various embodiments comprise apparatuses having at least two resistance change memory (RCM) cells. In one embodiment, an apparatus includes at least two electrical contacts coupled to each of the RCM cells. A memory cell material is disposed between pairs of each of the electrical contacts coupled to each of the RCM cells. The memory cell material is capable of forming a conductive pathway between the electrical contacts with at least a portion of the memory cell material arranged to cross-couple a conductive pathway between select ones of the at least two electrical contacts electrically coupled to each of the at least two RCM cells. Additional apparatuses and methods are described. | 2014-08-21 |
20140233294 | Memory Cell with Decoupled Read/Write Path - A memory cell with a decoupled read/write path includes a switch comprising a first terminal connected to a first line and a second terminal connected to a second line, a resistive switching device connected between a gate of the switch and a third line, and a conductive path between the gate of the switch and the second line. | 2014-08-21 |
20140233295 | ROM DEVICE WITH KEEPERS - A ROM memory circuit is disclosed having at least one electrical line, at least one keeper circuit electrically connected to the at least one electrical line, the keeper circuit including a first transistor, a terminal of the first transistor is driven by a dedicated control signal, wherein the dedicated control signal is configured to keep the voltage of the at least one electrical line at a first voltage. | 2014-08-21 |
20140233296 | FERROELECTRIC MEMORY DEVICE AND METHOD FOR MANUFACTURING SAME - The present application relates to a ferroelectric memory device having a multilevel polarization (MLP) state generated due to adjustment of a displacement current and to a method for manufacturing the ferroelectric memory device. | 2014-08-21 |
20140233297 | Graphene Ferroelectric Device and Opto-Electronic Control of Graphene Ferroelectric Memory Device - In accordance with an embodiment of the invention, there is provided a graphene ferroelectric device. The device comprises a graphene transistor channel and a ferroelectric gate of the graphene transistor channel, the ferroelectric gate comprising a linear polarization at a first applied gate voltage less than a threshold voltage, and a hysteretic polarization at a second applied gate voltage greater than the threshold voltage. The device may be configured to undergo optical switching of the graphene transistor channel between a high resistance state and a low resistance state in response to photoillumination of the device. | 2014-08-21 |
20140233298 | APPARATUS AND METHODS FOR FORMING A MEMORY CELL USING CHARGE MONITORING - Apparatuses and methods of forming a memory cell is described. In one such method, a forming charge applied to a memory cell, such as a Resistive RAM (RRAM) memory cell, is monitored to determine the progress of the forming the cell. If the cell is consuming charge too slowly, a higher voltage can be applied. If the cell is consuming charge too quickly, a lower voltage can be applied. The charge may be monitored by charging a capacitor to a certain level, then monitoring the discharge rate of the capacitor though the cell. The monitoring may use comparators to measure the charge. The monitoring may also use an analog to digital converter to perform the monitoring. | 2014-08-21 |
20140233299 | Set/Reset Algorithm Which Detects And Repairs Weak Cells In Resistive-Switching Memory Device - A resistance-switching memory cell is programmed in a set or reset operation which tests the stability of the cell. A first programming phase using program voltages which increase in magnitude or duration until a program verify test is passed. A stability test phase is then performed to evaluate a stability of the memory cell. The stability test phase determines whether the memory cell is weak and likely to transition out of the set or reset state by applying one or more disturb pulses and performing one or more stability verify tests. The disturb pulses can have a reduced magnitude or duration compared to the program voltages. If the stability test phase indicates the memory cell is not stable, a second programming phase is performed. If the stability test phase indicates the memory cell is stable, the operation is concluded. | 2014-08-21 |
20140233300 | APPARATUSES AND OPERATION METHODS ASSOCIATED WITH RESISTIVE MEMORY CELL ARRAYS WITH SEPARATE SELECT LINES - The present disclosure includes methods and apparatuses that include resistive memory. A number of embodiments include a first memory cell coupled to a data line and including a first resistive storage element and a first access device, a second memory cell coupled to the data line and including a second resistive storage element and a second access device, an isolation device formed between the first access device and the second access device, a first select line coupled to the first resistive storage element, and a second select line coupled to the second resistive storage element, wherein the second select line is separate from the first select line. | 2014-08-21 |
20140233301 | RESISTIVE SWITCHING FOR NON VOLATILE MEMORY DEVICE USING AN INTEGRATED BREAKDOWN ELEMENT - A method of suppressing propagation of leakage current in an array of switching devices. The method includes providing a dielectric breakdown element integrally and serially connected to a switching element within each of the switching device. A read voltage (for example) is applied to a selected cell. The propagation of leakage current is suppressed by each of the dielectric breakdown element in unselected cells in the array. The read voltage is sufficient to cause breakdown in the selected cells but insufficient to cause breakdown in the serially connected, unselected cells in a specific embodiment. Methods to fabricate of such devices and to program, to erase and to read the device are provided. | 2014-08-21 |
20140233302 | WRITE-TRACKING CIRCUITRY FOR MEMORY DEVICES - A write-tracking circuit for a writable memory array has one or more dummy memory cells and is configured to write different values to the one or more dummy memory cells. Durations of pulses applied to word lines of the memory array during write operations are controlled based on durations of writing the different values to the one or more dummy memory cells. In at least some embodiments, the write-tracking circuit is configured to write the different values to the one or more dummy memory cells during a single write operation. In at least some embodiments, the write-tracking circuit is configured to write the different values to at least one of the one or more dummy memory cells during different write operations. | 2014-08-21 |
20140233303 | SRAM Multiplexing Apparatus - An SRAM multiplexing apparatus comprise a plurality of local multiplexers and a global multiplexer. Each local multiplexer is coupled to a memory bank. The global multiplexer has a plurality of inputs, each of which is coupled to a corresponding output of the plurality of local multiplexers. In response to a decoded address in a read operation, an input of a local multiplexer is forwarded to a corresponding input of the global multiplexer. Similarly, the decoded address allows the global multiplexer to forward the input signal to a data out port via a buffer. | 2014-08-21 |
20140233304 | SEMICONDUCTOR DEVICE AND CONTROL METHOD OF THE SAME - A semiconductor device includes non-volatile registers, each including a holding circuit to hold data in a volatile manner and a non-volatile element. An address is allocated to each of the non-volatile registers. A non-volatile register control circuit performs control such that, in response to a write instruction, data held in the holding circuit is written to the non-volatile element in the non-volatile register having the address specified by the instruction and in response to a load instruction, data held in the non-volatile element is held in the holding circuit in the non-volatile register having the address specified by the instruction. | 2014-08-21 |
20140233305 | MAGNETIC RANDOM ACCESS MEMORY HAVING INCREASED ON/OFF RATIO AND METHODS OF MANUFACTURING AND OPERATING THE SAME - A magnetic random access memory (MRAM), and methods of manufacturing and operating the MRAM, include a switching element and a storage node connected to the switching element, and a magnetic node configured to simultaneously store two opposite bits. | 2014-08-21 |
20140233306 | BIPOLAR SPIN-TRANSFER SWITCHING - A magnetic device includes a magnetized polarizing layer, a free magnetic layer, and a reference layer. The free magnetic layer forms a first electrode and is separated from the magnetized polarizing layer by a first non-magnetic metal layer. The free magnetic layer has a magnetization vector having a first and second stable state. The reference layer forms a second electrode and is separated from the free-magnetic layer by a second non-magnetic layer. Unipolar current is sourced through the polarizing, free magnetic and reference layers. Switching of the magnetization vector of the free magnetic layer from the first stable state to the second state is initiated by application of a first unipolar current pulse, and switching of the magnetization vector of the free magnetic layer from the second stable state to the first stable state is initiated by application of a second unipolar current pulse. | 2014-08-21 |
20140233307 | METHOD OF PROGRAMMING A PHASE CHANGE MEMORY AND PHASE CHANGE MEMORY DEVICE - A method for pre-programming a matrix of phase-change memory cells, including a phase-change material positioned between two conducting electrodes and able to be reversely electrically modified so as to vary the resistivity of the memory cell. A dielectric layer is provided with the memory cell having an original resistive state at the end of the memory cell production process. A pre-programming of the matrix is executed prior to mounting a component containing the matrix on a support. A breakdown voltage is applied to a selection of memory cells so that, for each one of the selected cells, the layer of the dielectric material breaks down to bring the cell from the original resistive state to a second resistive state. | 2014-08-21 |
20140233308 | SEMICONDUCTOR MEMORY DEVICE AND WRITING METHOD THEREOF - A writing method of a semiconductor memory device includes applying a plurality of program voltages sequentially generated to a selected word line, and applying any one of a plurality of source selection line voltages to a source selection line when each of the plurality of program voltages is applied. | 2014-08-21 |
20140233309 | SEMICONDUCTOR MEMORY DEVICE - According to one embodiment, a semiconductor includes a memory cell, a bit line, a word line, a sense amplifier, and a control circuit. The memory cell stores n levels (where n is a natural number of two or greater). The control circuit controls potentials of the word line and the bit line. In a read of k−1 levels (k≦n) stored in the memory cell, the control circuit, upon applying a given voltage to the word line, determines read data based on first data corresponding to the voltage of the bit line read at a first timing by the sense amplifier and second data corresponding to the voltage of the bit line read, by the sense amplifier, at a second timing different from the first timing. | 2014-08-21 |
20140233310 | High-Resolution Readout of Analog Memory Cells - A method includes storing data in an analog memory cell by writing an analog value into the memory cell. After storing the data, the data stored in the memory cell is read by discharging electrical current to flow through the memory cell, during a predefined time interval, while applying a variable voltage to a gate of the memory cell. A fraction of the predefined time interval, during which the variable voltage allows the electrical current to flow through the memory cell, is estimated. The stored data is estimated based on the estimated fraction. | 2014-08-21 |
20140233311 | NONVOLATILE SEMICONDUCTOR MEMORY - A memory includes first and second select gate transistors, memory cells, a source line, a bit line, a selected word line which is connected to a selected memory cell as a target of a verify reading, a non-selected word line which is connected to a non-selected memory cell except the selected memory cell, a potential generating circuit for generating a selected read potential which is supplied to the selected word line, and generating a non-selected read potential larger than the selected read potential, which is supplied to the non-selected word line, and a control circuit which classifies a threshold voltage of the selected memory cell to one of three groups by verifying which area among three area which are isolated by two values does a cell current of the selected memory cell belong, when the selected read potential is a first value. | 2014-08-21 |
20140233312 | SEMICONDUCTOR MEMORY DEVICE FOR STORING MULTIVALUED DATA - Data storage circuits are connected to the bit lines in a one-to-one correspondence. A write circuit writes the data on a first page into a plurality of | 2014-08-21 |
20140233313 | FLASH MEMORY DEVICE REDUCING LAYOUT AREA - A flash memory device reducing a layout area is provided. In the flash memory device, even power transistors and odd power transistors of a plurality of power connection portions corresponding to a plurality of pairs of bit lines and even select transistors and odd select transistors of a plurality of select connection portions corresponding thereto are disposed in one common active region. In the flash memory device, since the number of insulation regions/layout areas for distinguishing active regions is reduced, a layout length in the vertical direction is reduced, ultimately reducing an entire required layout area considerably. | 2014-08-21 |
20140233314 | MEMORY CELL COUPLING COMPENSATION - Methods for memory cell coupling compensation and apparatuses configured to perform the same are described. One or more methods for memory cell coupling compensation includes determining a state of a memory cell using a voltage that is changed in accordance with a first memory cell coupling compensation voltage, performing an error check on the state of the memory cell, and determining the state of the memory cell using a voltage that is changed in accordance with a second memory cell coupling compensation voltage in response to the error check failing. | 2014-08-21 |
20140233315 | 3D STACKED NAND FLASH MEMORY ARRAY HAVING SSL STATUS CHECK BUILDINGS FOR MONITORING THRESHOLD VOLTAGES OF STRING SELECTION TRANSISTORS AND METHODS FOR MONITORING AND OPERATING THE SAME - Disclosed is a 3D stacked NAND flash memory array having SSL status check buildings for monitoring threshold voltages of string selection transistors, a monitoring method of threshold voltages of string selection transistors by the SSL status check buildings, and an operating method thereof. | 2014-08-21 |
20140233316 | MEMORY SYSTEM AND PROGRAMMING METHOD THEREOF - A program method of a nonvolatile memory device is provided, which includes programming a memory cell in one string selected from a plurality of vertical strings; determining whether a mode of operation of the nonvolatile memory device is a pre-pulse mode; when the mode of operation is determined to be the pre-pulse mode, applying a pre-pulse having a predetermined level to a string selection line connected with a gate of a string selection transistor of at least one unselected vertical string of the plurality of vertical strings for a particular time period; and performing a verification operation on the programmed memory cell. | 2014-08-21 |