29th week of 2010 patent applcation highlights part 25 |
Patent application number | Title | Published |
20100182759 | Component For Reducing Mechanical Stress On A PCB - A component for mounting on a PCB, intended to support an electronics component, with an extension in the longitudinal, lateral and vertical directions. The component has a first and a second main surface, the second main surface being intended for mounting on the PCB. The component is made in a non conducting material, with a first layer of conducting material arranged on its first main surface, the conducting layer being connected to a conducting layer on the second main surface of the component by electrically conducting means. The component's extension in the vertical direction is smaller than its extension in either the longitudinal or lateral direction. | 2010-07-22 |
20100182760 | CIRCUIT BOARD AND SEMICONDUCTOR DEVICE - A printed circuit board includes a source interconnect and a ground interconnect, and the circuit board has a two-dimensional geometry having a corner. Protruding portions are provided in circumferences of the source interconnect and the ground interconnect in regions except the corner in plan view, and the source interconnect and the ground interconnect are connected to a common first decoupling capacitor in each of the protruding portions. | 2010-07-22 |
20100182761 | TERMINAL BOX - A terminal box for a solar cell module is composed of, a box body, an inner cover and an outer cover, wherein the box body includes a bottom plate, an outer plate arranged in an upright manner around the bottom plate, and an inner plate arranged also in an upright manner inside the outer plate to enclose a circuit housing area; the inner cover includes a top plate and a side plate extended downward from an outer circumference of the top plate, and is formed into a lid shape and fitted around an outer surface of the inner plate to cover the circuit housing area; and the outer cover is fitted around the outer plate of the box body to thereby cover the inner cover and the box body, wherein the terminal box further includes a fitting member that causes the inner cover to be fitted to the box body to thereby prevent the inner cover from being removed from the circuit housing area. | 2010-07-22 |
20100182762 | SENSOR UNIT - In a sensor of a sensor unit in which working voltage or calibration voltage is supplied through a single input end, working voltage can be stably supplied to the sensor after initial calibration. | 2010-07-22 |
20100182763 | Controller And Portable Electronic Apparatus - A controller (portable electronic apparatus) includes a housing and a key provided for protruding and retreating movement on the housing. The housing has a front face, a rear face, and a side face for connecting the front face and the rear face to each other. The key has a body having one end inserted in an opening formed in the side face and the other end exposed to the outside of the housing, and an extension extending along the side face from the other end of the body to the outside farther than an end edge of the opening. With the controller (portable electronic apparatus), the area of the face of the key which is exposed to the outside of the housing, that is, the area of the face which opposes to a finger of a user, can be increased. Therefore, at whichever position the face is depressed, the key can be inputted and the contact area with the finger can be increased. | 2010-07-22 |
20100182764 | REMOVABLY SECURING SMALL CONTACTLESS PAYMENT CARD VIA REMOVABLE ACCESSORY TO ELECTRONIC DEVICE - An apparatus includes a portable electronic device and an article of manufacture. The article of manufacture includes a first mechanism for securing the article of manufacture to the portable electronic device. The article of manufacture also includes a second mechanism for defining a slot. The second mechanism is coupled to the first mechanism. The slot is shaped and sized to receive and securely hold a contactless integrated (IC) identification card. The card in question has no more than half of the planar extent defined for a standard ID-1 identification card. | 2010-07-22 |
20100182765 | RF/EMI SHIELD - An RF/EMI shield has a planar conductive element and a plurality of solder spheres extending around the edges making electrical and mechanical contact with the conductive element to form a shield which can be soldered in a surface mount process directly over components needing shielding. The solder spheres have a diameter sufficient to provide the desired clearance between the shielding element and the component being shielded and a melting temperature equivalent to existing solder contacts to which the shield is bonded. | 2010-07-22 |
20100182766 | ILLUMINATION DEVICE WITH FLEXIBLE LIGHT TRANSMISSIVE FILM - An exemplary illumination device includes a light source, a flexible light transmissive film and a driving module. The light source is for emitting light. The flexible light transmissive film has a substantially rectangular shape. The flexible light transmissive film is divided into a plurality of optical wavelength converting regions successively arranged along a longitudinal direction of the rectangular shape. The driving module is mechanically connected to at least one end of the light transmissive film and configured for winding up the light transmissive film, thereby driving the light transmissive film to travel along the longitudinal direction. | 2010-07-22 |
20100182767 | BACKLIGHT ASSEMBLY - Backlight assembly includes a plurality of light guide plates, a plurality of light modules, and a plurality of driving units separately in control of corresponding light modules which are configured at the incident sides of the LGPs. Each light module faces two adjacent LGPs such that the driving unit drives the light module to provide light for two adjacent LGPs at the same time. As local dimming function is switched, besides the power-saving and the high contrast, the local edge effect due to the joint of the LGPs can be reduced. | 2010-07-22 |
20100182768 | DISPLAY DEVICE WITH A GROUND ELECTRODE PHYSICALLY CONTACTING A RECEPTACLE MADE OF AN INSULATING MATERIAL - Some embodiments include a display device having light sources located in a receptacle formed of an insulating material. The light sources can be easily grounded. The display device comprises a display panel for displaying an image; one or more light sources for providing light to the display panel; a lower receptacle formed of an insulating material and including a bottom part and side-wall parts surrounding the bottom part; an upper receptacle coupled to the lower receptacle, the upper and lower receptacles containing therebetween the display panel and the light sources; and a ground electrode physically contacting the upper and lower receptacles and electrically connected to each said light source. Other features are also provided. | 2010-07-22 |
20100182769 | METHOD AND DEVICE FOR SHADING IN A DISPLAY SYSTEM - The present invention relates to a shading device for use with a display system. The shading device comprising fixing means ( | 2010-07-22 |
20100182770 | MAKEUP PALETTE - A makeup palette comprises a light source disposed at both sides of the cover, the light source is connected to a circuit with a reed switch, then a magnetic member is disposed at a base of the palette and located corresponding to the reed switch, and finally the cover is pivotally connected to the base, so that the reed switch and the magnetic member are controlled by the opening and closing of the cover with respect to the base to connect the light source to or to disconnect it from the power source, and thus the circuit can be closed automatically to turn on the light source, producing enough light to allow the user to fix makeup at night or when the surrounding is dim. | 2010-07-22 |
20100182771 | Ornamental container for containing refrangible/reflexible object - An ornamental container includes a transparent bottle, a bottle cap, and an illuminating unit. The transparent bottle accommodates a refrangible/reflexible object. The bottle cap is formed of a hollow barrel and a cover member. The hollow barrel has a through hole running through a bottom side thereof. When the cover member is pressed, at least one part of the cover member is deformed or moved downwardly. The illuminating unit includes a power source, a circuit, a push switch, and a light source. The light generated by the light source passes through the through hole to be shone downwardly. The push switch is located below the cover member and can be forced by the downward deformation or movement of the cover member to activate or deactivate the light source. Therefore, the push switch is hidden to keep the delicacy of the ornamental container and the refrangible/reflexible object looks dazzling. | 2010-07-22 |
20100182772 | Portable Light Apparatus and Method of Attachment - An organic light emitting diode system is sufficiently thin and poser efficient to permit its attachment to different configurations such as pocketbooks, brief bags, suitcases and the like. At least one side of the OLED material can have an attachment mechanism to facilitate attachment to a surface in the area to be lighted. The system may include a portable power source that provides electrical power to actuate the OLED material, causing it to generate light. A switch connected to the battery can control power to the OLED material to switch the light on and off. The switch can be manually operated or automatic. The low power consumption of embodiments of the OLED apparatus also provides for unique applications and uses. | 2010-07-22 |
20100182773 | PORTABLE LIGHT APPARATUS AND METHOD OF ATTACHMENT - An organic light emitting diode system is sufficiently thin and poser efficient to permit its attachment to different configurations such as pocketbooks, brief bags, suitcases and the like. At least one side of the OLED material can have an attachment mechanism to facilitate attachment to a surface in the area to be lighted. The system may include a portable power source that provides electrical power to actuate the OLED material, causing it to generate light. A switch connected to the battery can control power to the OLED material to switch the light on and off. The switch can be manually operated or automatic. The low power consumption of embodiments of the OLED apparatus also provides for unique applications and uses. | 2010-07-22 |
20100182774 | MANAGING LOAD POWER CONSUMPTION BASED ON STORED ENERGY RATE - A system includes an energy storage device, a power generator, and a controller. The energy storage device is operable to power a load. The power generator is operable to charge the energy storage device. The controller is operable to generate an energy storage metric representing a quantity of energy stored in the energy storage device over a first time interval and adjust at least one power consumption characteristic of the load for a second time interval based on the energy storage metric. | 2010-07-22 |
20100182775 | Solar LED Lamp - The present invention provides a solar LED (Light Emitting Diode) lamp, comprising a control circuit; a solar panel electrically connected to the control circuit; a rechargeable battery electrically connected to the control circuit; at least one light emitting diode (LED) electrically connected to the control circuit; and a transparent body which is one-piece molded with all of the above electronic elements encased therein. The solar LED lamp according to the present invention can allow the electronic elements therein to be totally segregated from external environment by encasing all of the electronic elements in a one-piece molded transparent body; thereby, the solar LED lamp can be used durably. | 2010-07-22 |
20100182776 | Battery-powered light system - Hand-carried, battery-powered light replacing conventional bank lights are described. In one embodiment, the light includes a generally rectangular body with opposed faces, a peripheral edge having a width substantially less than the width of the faces, and a handle adjacent one end of the body; and a plurality of spaced LED emitter heads mounted on one face of the body, each of the emitter heads including a housing and at least one LED emitter. In another embodiment, the light includes a non-conductive enclosure having rectangular top and bottom walls, and side and end walls connecting the top and bottom walls, the top wall including receiving recesses; and a plurality of rotatable light sources mounted on the top wall, each of the light sources including a telescopic support post having a base end pivotally attached to the top wall and an outer end, and an LED emitter head attached to the outer end of the post. | 2010-07-22 |
20100182777 | Flashlight - A flashlight comprising: a rotatable head containing a light source; a pivot in communication with the rotatable head; a center housing rotatably attached to the pivot, where the pivot and the rotatable head rotates at least in a plane that is parallel to the main axis of the center housing, the center housing having a first end that is furthest away from the head; a first leg rotatably attached to the center housing, the first leg having generally the shape of a longitudinal third of a hollow cylinder; a second leg rotatably attached to the center housing, the second having generally the shape of a longitudinal third of a hollow cylinder; a third leg rotatably attached to the center housing, the third leg having generally the shape of a longitudinal third of a hollow cylinder; a sliding sleeve slideably attached to the center housing, and in communication with the first, second and third legs. A flashlight comprising: a rotatable head containing a light source; a pivot in communication with the rotatable head; a center housing rotatably attached to the pivot, where the pivot and the rotatable head rotates at least in a plane that is parallel to the main axis of the center housing; a first leg rotatably attached to the center housing, the first leg having generally the shape of a longitudinal third of a hollow cylinder; a second leg rotatably attached to the center housing, the second having generally the shape of a longitudinal third of a hollow cylinder; a third leg rotatably attached to the center housing, the third leg having generally the shape of a longitudinal third of a hollow cylinder; a first sliding sleeve slideably attached to the center housing, and in communication with the first, second and third legs; a flashlight selection indicator located on the head; a tripod position indicator located on the head; a second sliding sleeve in rotatable communication with the first sliding sleeve, and in generally helical communication with the center housing; a sleeve position indicator located on the second sliding sleeve, and adjacent to the flashlight selection indicator when in a flashlight selection mode; and moving away from the flashlight selection indicator when rotating each of the first, second and third legs away from the center housing; and moving towards the flashlight selection indicator when rotating each of the first, second and third legs towards the center housing. | 2010-07-22 |
20100182778 | Focusing-type flashlight structure - A focusing-type flashlight structure includes a hollow cylinder body for accommodating the power supply component and screwed with an exterior cap having the switch device at the rear side and having a buckle channel and a protrusion stop ring and forming the diameter expansion section; a light emitting device positioned between the buckle channel and the protrusion stop ring of the hollow cylinder body; a light transparent cover for sealing the front side of the hollow cylinder body and having a protrusion hook for clasping with the buckle channel to achieve the positioning; and a zooming device including a hollow tube having a first, second, and third ring section with converged diameters from the front to the rear in order, and a lens disposed between the first ring section of the hollow tube, and a light opening cover to achieve the positioning. | 2010-07-22 |
20100182779 | DISPLAY PANEL WITH USERS' OWN DESIGN PATTERN - A display panel that users can design patterns as they need is revealed. The display panel includes a circuit substrate and a plurality of light emitting members. The circuit substrate is disposed with a plurality of fixing holes for being inserted by the light emitting members corresponding to a pattern. The light emitting members are fixed on the fixing holes corresponding to the pattern. Thus there is no unnecessary light emitting members and the cost is reduced. Moreover, the pattern on the display can be changed whenever as user's wish. Thus the display panel is more usable and flexible. | 2010-07-22 |
20100182780 | FLASHLIGHT - A flashlight in accordance with an aspect of the invention includes a main housing having a lamp housing. A mounting mechanism and mating features are adapted to selectively couple and decouple the main housing and the lamp housing. In an aspect, a flexible conduit connects the main housing and lamp housing. The flexible conduit can be formed in an arc having an apex that lies directly above a center of gravity of the flashlight when the main housing and the lamp housing are coupled, thereby allowing the flashlight to be balanced when the flexible conduit is used as a carrying handle. | 2010-07-22 |
20100182781 | LIGHTING DEVICE - A lighting device is disclosed. The lighting device can be compact and can have a major surface configured to be attached to a substantially flat mounting surface. Within the lighting device, a light bar frame can be rotatable relative to a mounting plate around an axis substantially perpendicular to the major surface. Three or more rotatable light bars can be positioned within the light bar frame. The light bars can include lighting elements (e.g., light-emitting diodes) and can be positioned within the light bar frame such that their rotational axes are coplanar. The rotational axes of the light bars also can be substantially perpendicular to the axis around which the light bar frame rotates relative to the mounting plate. Furthermore, the rotational axes of the light bars can form three or more sides of a polygon (e.g. a triangle). | 2010-07-22 |
20100182782 | Light Emitting Diode Troffer - A troffer-style luminaire includes first and second side ends and a top end extending between the side ends. The side and top ends define an interior region. Light emitting diodes (“LEDs”) are coupled along interior surfaces of the side ends, within the interior region. At least some of the LEDs are coupled to the interior surfaces by being wedged between members protruding into the interior region from the interior or other surfaces. In addition, or in the alternative, one or more spring clips can apply a force that holds the LEDs against the interior surfaces. A reflector extends between the LEDs and the top member and reflects light from the LEDs towards a bottom end of the frame. The light emitted by the LEDs is directed to the reflector and then indirectly emitted through the bottom end, into a desired environment. | 2010-07-22 |
20100182783 | REFLECTOR COMPONENT FOR A LED LAMP - A reflector component is provided for a light emitting diode (LED) lamp that includes a plurality of spaced-apart LED light sources. The reflector component includes a bottom wall having two side edges extending along a longitudinal direction. The bottom wall is formed with a plurality of spaced-apart through holes, each of which permits a respective one of the LED light sources to extend therethrough. The reflector component further includes two side walls extending respectively and upwardly from and along the two side edges of the bottom wall. Each of the side walls has a reflecting surface that faces toward the other of the side walls and that extends upwardly and inclinedly relative to the bottom wall such that a distance between the reflecting surfaces increases in a direction away from the bottom wall. | 2010-07-22 |
20100182784 | LED reflector - An LED reflector lamp has a control circuit, at least two LED light sources controlled by the control circuit, at least two light source panels coupled to respective at least two LED light sources, and at least one heat-conducting plate thermally connected to the at last two light source panels. The LED lamp reflector has a reflective cup having a reflective inner surface, a reflective opening formed by an edge of the reflective inner surface, and a slot formed on a bottom of the reflective cup, wherein the at least one heat-conductive plate is inserted through the slot into an interior of the reflective cup such that the LED light sources are parallel to a centrally vertical axis of the reflective cup. A heat sink is described that has a cavity in its interior, the cavity being dimensioned and shaped to be coupled to the reflective cup and plate. | 2010-07-22 |
20100182785 | USER INTERFACE WITH MEANS FOR LIGHT BLEED MITIGATION - A light-transmissive substrate includes an arrangement of penetrations extending from one surface of the substrate toward another surface of the substrate. The penetrations are configured to attenuate or inhibit transmission of light through the substrate from one side of the arrangement of penetrations to the other side of the arrangement of penetrations. | 2010-07-22 |
20100182786 | HYBRID HID/LED REFLECTOR - A lighting fixture having a first light source and a second light source contained within a single housing. In a first embodiment the first light source is an LED lighting source and the second light source is an HID lighting source within a common housing is disclosed. Each lighting source includes its own reflector assembly, and the reflector assemblies can be side by side. Alternatively, an induction lighting source can be substituted for the LED or HID light source. The lighting fixture is suited for outdoor lighting or indoor lighting, where each lighting source can operate independent of the other lighting source. | 2010-07-22 |
20100182787 | LATERAL REFLECTOR - Various embodiments provide a lateral reflector, wherein the lateral reflector has a bottom opening, a light source arranged on a base plate can be accommodated in the bottom opening; a reflecting surface is arranged on two opposite sides of the light source in the lateral reflector, and the reflecting surface is configured to reflect a light emitted from the light source and arriving at the reflecting surface, so that the light arriving at the reflecting surface is deflected toward a direction that is parallel to the opposite sides. Various embodiments further provide an array of such lateral reflectors. Further, various embodiments disclose a lamp unit and a lamp containing such lateral reflector, and puts forward a method for producing such lateral reflector. | 2010-07-22 |
20100182788 | LED LAMP ASSEMBLY - A robust LED lamp may be assembly by forming a heat sinking sandwich with two metal heat sinks positioned around the circuit board and pinned together a heat conductive element. The assembly is positioned by pressing it into a base providing electrical connections. The robust assembly is rapidly assembled, thermally effective in draining or spreading heat from the circuit board and is readily adaptable to a variety of applications lighting. The heat sink may be decorated, colored or otherwise esthetically enhanced for consumer appreciation. | 2010-07-22 |
20100182789 | POWER-SAVING LIGHTING APPARATUS - A power-saving lighting apparatus including an upper housing, a bottom cover assembled with the upper housing, a lighting module and a positioning member is provided. The lighting module is disposed between the upper housing and the bottom cover, and the lighting module is mechanically supported by the bottom cover. The positioning member is disposed on the lighting module, wherein a relative position of the lighting module and the bottom cover is maintained by the positioning member. | 2010-07-22 |
20100182790 | LUMINAIRE AND REFLECTOR - The invention relates to a reflector ( | 2010-07-22 |
20100182791 | PACKAGE FOR LIGHT EMITTING ELEMENT AND LIGHT EMITTING DEVICE - In a package for a light emitting element according to the present invention, a light reflecting plate is buried in a base substrate at a position below a cavity with a light reflecting surface thereof facing upward, a part of the ceramic forming the base substrate is interposed between the light reflecting surface of the light reflecting plate and a top surface of the base substrate, and at least the part is light-transmitting. A light emitting device comprises the package, and the light emitting element accommodated in the cavity of the package. In another light emitting device, a first reflector which is made of a metal material and reflects a light emitted from the light emitting element is buried in a frame body. | 2010-07-22 |
20100182792 | Leak-Proof LED Base Structure - A leak-proof LED (Light Emitting Diode) base structure includes a ceramic substrate and a ceramic reflection ring. The ceramic reflection ring is coupled to the ceramic substrate by a heat-resistant epoxy resin to prevent encapsulant filled in an LED base from flowing out through a junction between the ceramic reflection ring and the ceramic substrate. A groove for receiving an overflow of the heat-resistant epoxy resin is formed on a coupling surface of the ceramic reflection ring. The ceramic reflection ring has a polished reflecting surface for reflecting light emitted by an LED die so as to increase luminosity of the light emitted by the LED. A lens positioning portion is formed on the top of the polished reflecting surface for allowing a lens to be precisely aligned with the ceramic reflection ring, enhancing preciseness of lens assembly, and improving resultant optical configuration of the light emitted by the LED. | 2010-07-22 |
20100182793 | PORTABLE FOLDABLE LIGHTING DESIGNER - A portable foldable lighting designer ( | 2010-07-22 |
20100182794 | Spot light - A spot light comprises a housing, a connecting rod and a slidable unit. One end of the connecting rod is pivotingly connected to the housing so that the housing can be rotated in a predetermined angle. The other end of the connecting rod is pivotingly connected to the slidable unit. Moreover, the housing includes a case, the first and the second plates for receiving the light source and the electronic device. As above-mentioned, the spot light has an integral casing unit and the time and cost of assembling the spot light are reduced. | 2010-07-22 |
20100182795 | LED Street Light - This invention relates to a kind of LED light, comprising: front housing, rear housing, light pole fixation base, clear cap; also comprising the transformer fixed on the rear housing and the LED panel connected with the front housing; there are couples of heat sinks on external surface of the rear housing; the internal surface of the foresaid front housing is equipped with minimum one slot with couples of heat sinks in; the heat sinks are designed for conducting heat from the LED light panel to the air for timely eliminating heat for the LED. By this way, it guarantees a sufficient heat elimination for the LED street light achieving a longer lifespan of the LED street light and a less light degradation that can be even neglected. Therefore, the brightness of the LED street light is ensured. | 2010-07-22 |
20100182796 | CABLES FIXING APPARATUS FOR BACKLIGHT MODULE - A cables fixing apparatus for a backlight module includes a rear frame having a leading-out area in a side edge provided with a plurality of protrusions thereof; a lamp cable led out from said leading-out area; and a mold frame provided with a plurality of crooks, wherein each of said crooks faces one of said protrusions on said side edge of said rear frame so as to define a cable groove, and said lamp cable is accommodated and fixed in said cable groove along an edge of said rear frame. These protrusions of the rear frame and these crooks of the mold frame are utilized to arrange and fix the lamp cable in the cable groove to avoid the fracturing problem of solder joint of lamp and prevent the interference as assembling because of the displacement issue of the lamp cable. | 2010-07-22 |
20100182797 | Portable Light Apparatus and Method of Attachment - An organic light emitting diode system is sufficiently thin and poser efficient to permit its attachment to different configurations such as pocketbooks, brief bags, suitcases and the like. At least one side of the OLED material can have an attachment mechanism to facilitate attachment to a surface in the area to be lighted. The system may include a portable power source that provides electrical power to actuate the OLED material, causing it to generate light. A switch connected to the battery can control power to the OLED material to switch the light on and off. The switch can be manually operated or automatic. The low power consumption of embodiments of the OLED apparatus also provides for unique applications and uses. | 2010-07-22 |
20100182798 | ADVANCED CONNECTOR ASSEMBLY - A connector assembly is provided. The connector assembly includes a housing having at least a socket, an electronic device disposed in the housing, a protection member disposed on a side of the housing, a light emitting element disposed on the protection member, a light pipe disposed on the housing for guiding light from the light emitting element, a shield surrounding the protection member and the light emitting element, and a cover encompassing the light pipe, the shield, and the light emitting element. | 2010-07-22 |
20100182799 | Planar light-emitting device, panel and display device - A planar light-emitting device includes: a light source; and a light guide member propagating light from the light source, wherein the light guide member is formed so that a light entrance portion on which light from the light source is incident is thicker than a body portion, and the light source includes a light-emitting member and a directivity member narrowing the directivity of light emitted from the light emitting member and allowing the light to be incident on the light entrance portion of the light guide member. | 2010-07-22 |
20100182800 | LINEAR LIGHT-EMITTING DEVICE - A linear light-emitting device is provided with a pair of first and second linear electrodes opposing each other, and a linear phosphor layer is sandwiched between the paired electrodes, with at least one of the paired first and second electrodes being a transparent electrode, and the phosphor layer has a polycrystalline structure made from a first semiconductor substance, with a second semiconductor substance different from the first semiconductor substance being segregated on a grain boundary of the polycrystalline structure. | 2010-07-22 |
20100182801 | PRINTED ULTRA THIN LIGHT GUIDING PLATE - A printed ultra thin light guiding plate comprises a plastic cement plate ( | 2010-07-22 |
20100182802 | Light Guide Plate and Backlight Module Having V-Cut Structure - A light guide plate having a V-cut structure and a backlight module are disclosed. The light guide plate comprises straight-striped V-cut structure sets and a base plate having a light-entering side. The straight-striped V-cut structure sets are formed on a surface of the base plate adjacent to the light-entering side, wherein each straight-striped V-cut structure set is composed of at least one V-cut element, each V-cut element having a first base angle and a second base angle formed between its respective two inclined surfaces and a horizontal surface of the base plate. The first base angle is located closer to the light-entering side than the second base angle is, and is smaller than or equal to the second base angle. The straight-striped V-cut structure sets have a plurality of second average angle values which are gradually decreased from the light-entering side to a central position of the base plate. | 2010-07-22 |
20100182803 | RESONANT CONVERTER EQUIPPED WITH A PHASE SHIFTING OUTPUT CIRCUIT - A resonant converter equipped with a phase shifting output circuit includes a resonant circuit to receive input power and regulate to become at least one resonant power, a switch unit to switch an ON period for the input power to pass through the resonant circuit and a power transformation circuit to regulate the resonant power and output a transformed power. The resonant converter further has a primary output circuit and at least one secondary output circuit. The primary output circuit regulates the transformed power to become a primary output power. A resonant control unit captures a feedback signal from the primary output circuit and generates a resonant control signal. A phase shifting control unit receives the resonant control signal and regulate to become a phase shifting driving signal. The secondary output circuit is controlled by the phase shifting driving signal and provides a secondary output power. | 2010-07-22 |
20100182804 | SWITCHING CIRCUIT FOR PRIMARY-SIDE REGULATED RESONANT POWER CONVERTERS - The present invention provides a switching circuit to regulate an output voltage and a maximum output current at the primary side of a resonant power converter. The switching circuit includes a pair of switching devices and a controller. The controller is coupled to a transformer to sample a voltage signal thereof and generates switching signals to control the switching devices. The switching frequency of the switching signals is increased in response to the decrease of the output voltage. The increase of the switching frequency of the switching signals decreases the power delivered to the output of the resonant power converter. The output current is therefore regulated. | 2010-07-22 |
20100182805 | SWITCHING POWER SUPPLY - A plurality of power supply circuits Z | 2010-07-22 |
20100182806 | Controller for a Power Converter - A controller for a power converter having a transformer T | 2010-07-22 |
20100182807 | Synchronous Rectifier Circuit Capable of Preventing Flow-Through Current - A synchronous rectifier circuit (DC-DC converter) includes a CR integration circuit and a discharge circuit. The CR integration circuit outputs a voltage that varies at delayed timing as compared with a voltage induced in a secondary-side main winding. The discharge circuit discharges a gate voltage of a rectifier transistor as a result of conduction of a discharge transistor in response to the output voltage from the CR integration circuit. According to such a configuration, the rectifier transistor is turned off earlier than the timing of switching of polarity of voltages induced in the secondary-side main winding and a secondary-side auxiliary winding in response to turn-on of a primary-side transistor. | 2010-07-22 |
20100182808 | SWITCHING POWER SOURCE DEVICE - A pseudo-resonant switching power source device is provided which comprises a primary winding | 2010-07-22 |
20100182809 | Apparatus, Systems, and Methods for Controlling Energy Converting Devices - In one aspect the invention relates to an electrical circuit for use with a generator having an output port, the circuit to modify one of an electric current or voltage from the generator. The circuit includes a rectifier to convert the alternating current from the generator to direct current, the rectifier having a first port and a second port, the rectifier first port in communication with the output port of the generator; and a direct current to alternating current inverter to convert the direct current from the rectifier to alternating current, the inverter having a first port and a second port, the first port of the inverter in communication with the second port of the rectifier. In one embodiment, the generator is a linear alternator positioned within an energy converting apparatus comprising a Stirling engine having a piston such that motion of the piston drives the linear alternator. | 2010-07-22 |
20100182810 | ALTERNATING-CURRENT POWER SUPPLY DEVICE - An alternating-current power supply device includes: a direct-current power supply Vin; a transformer T | 2010-07-22 |
20100182811 | POWER CONVERTER - The present invention discloses a power converter with extremely low standby power consumption for converting an input AC power to an output DC power, comprising: a DC supply voltage generating unit, used for generating a DC supply voltage; a pulse width modulation controller, used for generating a pulse width modulation signal according to a feedback voltage of the output DC power; and an isolated actuating switch, placed between the DC supply voltage generating unit and the pulse width modulation controller, for controlling the supply of the DC supply voltage to the pulse width modulation controller, according to a switch signal from a loading device. | 2010-07-22 |
20100182812 | POWER CONVERTER - The present invention discloses a power converter with low standby power consumption, used to convert an AC input power to an output DC power, comprising: an EMI filter, coupled to the AC input power to filter the EMI; a TRIAC, coupled to the EMI filter to access the AC input power; and a TRIAC driver, used for driving the gate of the TRIAC switch according to an on-off control signal from a loading device, to control the conduction of the TRIAC switch. | 2010-07-22 |
20100182813 | PN DIODE, ELECTRIC CIRCUIT DEVICE AND POWER CONVERSION DEVICE - In a SiC pn diode, the lifetime is controlled by electron beam irradiation of about 3×10 | 2010-07-22 |
20100182814 | BIDIRECTIONAL DC-DC CONVERTER - Provided is a bidirectional DC/DC converter which can control a boost voltage in a wide range. The DC/DC converter includes: three series circuits formed by a first to a sixth switch, each two of which are connected in series between a plus terminal and a minus terminal of a high voltage side; two transformers in which primary windings are connected in series and input terminals of the primary windings are connected to connection points of the switching elements; and a seventh to a tenth switch. The transformers have secondary windings, each of which is divided at the middle point. The middle points are connected to a minus terminal of a low voltage side. Respective terminals of the secondary windings are connected to a plus terminal of the low voltage side by the seventh to the tenth switches. | 2010-07-22 |
20100182815 | CONTENT ADDRESSABLE MEMORY - For receiving an input data, a pattern data and a data clock signal and outputting a hit signal and an address signal, a content addressable memory is disclosed to include a plurality of content addressable memory units connected in series, each content addressable memory unit being adapted to receive the input data and the data clock signal and to output a comparison result signal, and an encoder coupled to the comparison result signal of each content addressable memory unit and adapted for outputting a hit signal and a memory address signal subject to the comparison result signal received. | 2010-07-22 |
20100182816 | Power Saving Static-Based Comparator Circuits and Methods and Content-Addressable Memory (CAM) Circuits Employing Same - Static-based comparators and methods for comparing data are disclosed. The static-based comparator is configured to selectively switch at least one comparator output in response to a comparison of corresponding data with compare data, and a validity indicator for the data. If the validity indicator indicates valid data, the static-based comparator switches to drive the comparator output indicating either a match or mismatch between corresponding compared data. If the validity indicator indicates invalid data, the static-based comparator provides a mismatch on the comparator output without switching the static-based comparator regardless of whether or not the data matches the compare data. In this manner, the static-based comparator does not dissipate power switching the comparator output for data marked invalid. The static-based comparator can be employed in content addressable memories (CAMs) for comparing one or more bits of tag data to corresponding bit(s) of compare data. | 2010-07-22 |
20100182817 | Memory system, semiconductor memory device, and wiring substrate - A memory system includes a plurality of semiconductor memory devices each including a termination resistance circuit that can be controlled to be turned on or off from an outside by a termination resistance control signal, and a memory controller. The memory controller includes a termination resistance control unit that outputs the termination resistance control signal so that when a read command or a write command is executed on one of the semiconductor memory devices, termination resistances of all of the semiconductor memory devices are turned on, and when any of the semiconductor memory devices does not execute the read command or the write command, the termination resistances of all of the semiconductor memory devices are turned off. The termination resistance circuit of one of the semiconductor memory devices is turned off, irrespective of the level of the termination resistance control signal when the one of the semiconductor memory devices outputs data in response to the read command. | 2010-07-22 |
20100182818 | Non-volatile semiconductor memory device and method of writing data therein - A device includes a memory cell array and a control circuit, the memory cell array inclusing word-lines, bit-lines, and memory cells arranged at the intersections of the word-lines and the bit-lines, each memory cell inclusing an electrically programmable antifuse element. The control circuit may perform, as a first step, applying a programming voltage to one of the word-lines while applying a ground voltage to bit-lines each connected to respective selected memory cells, and as a second step, after the first step, keeping one of the one word-lines at the programming voltage while concurrently reading the electrical states of the selected memory cells, and according to the read electrical states, applying the ground voltage again to a bit-line connected to an unprogrammed selected memory cell after the first step, and applying a voltage higher than the ground voltage to a bit-line connected to a programmed selected memory cell after the first step. | 2010-07-22 |
20100182819 | NONVOLATILE SEMICONDUCTOR MEMORY DEVICE - A nonvolatile semiconductor memory device comprising: a memory cell array in which two bit lines are provided to each one bit of input data, and memory cells each including an anti-fuse element are arranged at an intersection point between one of the two bit lines and an even address word line, and an intersection point between the other one of the two bit lines and an odd address word line, respectively; a plurality of booster circuits which are arranged in a plurality of memory banks, respectively, and each of which generates a write voltage and a read voltage to be supplied to a corresponding one of the anti-fuse elements of the respective memory banks, each of the memory banks obtained by dividing the memory cell array; a booster circuit controller to issue an instruction to generate the write voltage and the read voltage to the plurality of booster circuits; a word line selector to activate a different word line at the time of writing from one to be activated at the time of reading, with respect to the same address value of an address signal; a write bit line selector to select bit lines one by one from the memory banks, respectively, at the time of writing, the bit lines performing writing simultaneously; and a read bit line selector to select a bit line at the time of reading, the bit line outputting data. | 2010-07-22 |
20100182820 | Variable resistance memory device - A variable resistance memory device includes: a first common line; a second common line; plural memory cells each formed by serially connecting a memory element, resistance of which changes according to applied voltage, and an access transistor between the second common line and the first common line; a common line pass transistor connected between the first common line and a supply node for predetermined voltage; and a driving circuit that controls voltage of the second common line, the predetermined voltage, and voltage of a control node of the common line pass transistor and drives the memory cells. | 2010-07-22 |
20100182821 | MEMORY DEVICE, MEMORY CIRCUIT AND SEMICONDUCTOR INTEGRATED CIRCUIT HAVING VARIABLE RESISTANCE - A first variable resistor ( | 2010-07-22 |
20100182822 | DEVICE AND METHOD FOR USING DYNAMIC CELL PLATE SENSING IN A DRAM MEMORY CELL - A memory cell, device, system and method for operating a memory cell utilize an isolated dynamic cell plate. The memory cell includes a first and second pass transistor and a first and second capacitor. The first pass transistor and first capacitor and the second pass transistor and second capacitor are each configured in series for individual respective coupling between a first digit line and a second digit line. The first and second pass transistors are further configured for respective control by first and second wordlines. The memory cell further includes an interconnection formed on a cell plate conductor between a terminal end of the first capacitor and a terminal end of the second capacitor. Furthermore, the interconnection is electrically isolated from other portions of the cell plate conductor. | 2010-07-22 |
20100182823 | Low Leakage High Performance Static Random Access Memory Cell Using Dual-Technology Transistors - A memory cell includes a storage element, a write circuit coupled to the storage element and a read circuit coupled to the storage element. At least a portion of the storage element and at least a portion of the write circuit are fabricated using a thicker functional gate oxide and at least a portion of the read circuit is fabricated using a thinner functional gate oxide. | 2010-07-22 |
20100182824 | MAGNETIC RANDOM ACCESS MEMORY - An MRAM according to the present invention has: a memory cell array; a first word line and a second word line each connected to a group of memory cells arranged in a first direction; a plurality of blocks arranged in a matrix form; a common word line connected to a group of blocks arranged in the first direction; and a bit line pair connected to a group of blocks arranged in a second direction. Each block has a plurality of memory cells, and each memory cell has a first transistor and a magnetoresistance element. Each block further has a second transistor to which the plurality of memory cells are connected in parallel. A gate of the second transistor is connected to the common word line. A gate of the first transistor is connected to the first word line. One of source/drain of the first transistor is connected to the first bit line, and the other thereof is connected to one end of the magnetoresistance element and connected to the second bit line through the second transistor. The other end of the magnetoresistance element is connected to the second word line. | 2010-07-22 |
20100182825 | Programmable resistance memory - A memory includes a programmable resistance array with high ratio of dynamic range to drift coefficient phase change memory devices. | 2010-07-22 |
20100182826 | Reduction of Drift in Phase-Change Memory via Thermally-Managed Programming - A method of programming a phase-change material. The method includes providing a transformation pulse to the phase-change material, where the transformation pulse includes a programming waveform and a conditioning waveform. The programming waveform provides sufficient energy to alter the structural state of the phase-change material. In one embodiment, the programming waveform alters the volume fractions of crystalline and amorphous phase regions within the phase-change material. The conditioning waveform provides sufficient energy to heat the phase-change material to a temperature above the ambient temperature but below the crystallization temperature of the phase-change material. The method programs the phase-change material to a state that exhibits a reduced time variation of resistance. | 2010-07-22 |
20100182827 | High Margin Multilevel Phase-Change Memory via Pulse Width Programming - An electronic device and method of programming for binary and multilevel memory operation. The active material of the device is a phase-change material. The method includes utilization of the pulse duration of electrical pulses as a programming variable to program a phase-change device to two or more memory states that differ in the relative proportion and/or spatial arrangement of crystalline and amorphous phase regions. Pulse width programming, in conjunction with a device electrical contact having a resistivity within a particular range, enables fine control over the crystalline-amorphous phase-change process by facilitating control over the spatial distribution of thermal energy produced by Joule heating. The degree of control over the phase-change process enables reliable multilevel memory operation by providing for reproducible programming of memory states that are well-resolved in both resistance and programming variable. | 2010-07-22 |
20100182828 | SEMICONDUCTOR STORAGE DEVICE - There is provided a semiconductor storage device which is capable of further reducing a size of a memory cell, and increasing a storage capacity. Plural memory cells each including a transistor formed on a semiconductor substrate, and a variable resistive device having a resistance value changed by voltage supply and connected between source and drain terminals of the transistor are arranged longitudinally and in an array to configure a three-dimensional memory cell array. A memory cell structure has a double channel structure in which an inside of a switching transistor is filled with a variable resistance element, particularly, a phase change material. The switching transistor is turned off by application of a voltage to increase a channel resistance so that a current flows in the internal phase change material to operate the memory. | 2010-07-22 |
20100182829 | SEMICONDUCTOR MEMORY DEVICE - To provide a plurality of write amplifiers that perform a data write operation upon memory cells and a write control circuit that controls a timing of a data write operation performed by the write amplifiers. When a data write operation using another write amplifier is requested while a data write operation using a predetermined write amplifier is performed, the write control circuit suspends the data write operation using the predetermined write amplifier. The suspended data write operation is performed again simultaneously with the data write operation using the other write amplifier. Accordingly, random column access like that of a DRAM can be realized by simple control. | 2010-07-22 |
20100182830 | NONVOLATILE MEMORY DEVICE AND METHOD OF OPERATING THE SAME - A nonvolatile memory device includes an encoder configured to perform a scramble operation on input data, a digital sum value (DSV) generator configured to generate a DSV indicating a difference between a number of data ‘0’ and a number of data ‘1’ in the input data encoded by the encoder, a main cell unit of a page of a memory cell array, wherein the main cell unit is configured to store the input data encoded by the encoder, a spare cell unit of the page, wherein the spare cell unit is configured to store the DSV generated by the DSV generator, and a read voltage setting unit configured to determine a read voltage for the page by comparing a DSV generated from the stored data of the main cell unit and the stored DSV of the spare cell unit. | 2010-07-22 |
20100182831 | Non-Volatile Memory And Method With Reduced Neighboring Field Errors - A memory device and a method thereof allow programming and sensing a plurality of memory cells in parallel in order to minimize errors caused by coupling from fields of neighboring cells and to improve performance. The memory device and method have the plurality of memory cells linked by the same word line and a read/write circuit is coupled to each memory cells in a contiguous manner. Thus, a memory cell and its neighbors are programmed together and the field environment for each memory cell relative to its neighbors during programming and subsequent reading is less varying. This improves performance and reduces errors caused by coupling from fields of neighboring cells, as compared to conventional architectures and methods in which cells on even columns are programmed independently of cells in odd columns. | 2010-07-22 |
20100182832 | NON-VOLATILE MULTILEVEL MEMORY CELL PROGRAMMING - The present disclosure includes methods, devices, modules, and systems for programming multilevel non-volatile memory cells, each cell having a number of lower pages and an upper page. One method includes programming a first lower page, programming a second lower page, programming a third lower page, programming an upper page, and reprogramming the upper page of a cell. | 2010-07-22 |
20100182833 | MEMORY AND BOUNDARY SEARCHING METHOD THEREOF - A memory and a boundary searching method thereof are provided therein. When searching a boundary of a threshold voltage distribution of the memory, data errors resulted from tail bits of the memory would be corrected. Therefore, a sensing window could be broader, and the boundary of the threshold voltage distribution could be determined precisely. | 2010-07-22 |
20100182834 | TWISTED DATA LINES TO AVOID OVER-ERASE CELL RESULT COUPLING TO NORMAL CELL RESULT - Over-erasure induced noise on a data line in a nonvolatile memory that couples into an adjacent data line is mitigated by using twisted data lines and differential sensing amplifiers. Noise coupled into data lines is compensated by similar noise coupled into reference data lines and cancelled in the differential sensing amplifiers. | 2010-07-22 |
20100182835 | BLOCK DECODER OF FLASH MEMORY DEVICE - A block decoder of a flash memory device includes a discharge control unit configured to output a discharge signal in response to a program precharge signal and one or more of a number of address signals, and a selection line control unit configured to apply a ground voltage to source and drain selection lines of memory blocks in response to the discharge signal. | 2010-07-22 |
20100182836 | Nonvolatile memory having plurality of memory blocks each including data storage area and discrimination area - A nonvolatile memory includes memory blocks each including a data storage area for storing user data and a discrimination area that is provided so as to correspond to the each data storage area on a one-to-one basis and stores discriminative data indicating a writing state of data to the data storage area. The nonvolatile memory further includes a control circuit which determines the data storage area that will be a storage destination of the user data based on a relative difference relation among the discriminative data of the respective memory blocks, and changes the discriminative data of the discrimination area corresponding to the data storage area in which the user data was written to a value different from that before the writing. | 2010-07-22 |
20100182837 | MAGNETIC FLOATING GATE MEMORY - An apparatus includes at least one memory device including a floating gate element and a magnetic field generator that operably applies a magnetic field to the memory device. The magnetic field directs electrons in the memory device into the floating gate element. | 2010-07-22 |
20100182838 | FLASH MEMORY DEVICE WITH DATA OUTPUT CONTROL - An apparatus, system, and computer-implemented method for controlling data transfer between a plurality of serial data link interfaces and a plurality of memory banks in a semiconductor memory is disclosed. In one example, a flash memory device with multiple links and memory banks, where the links are independent of the banks, is disclosed. The flash memory devices may be cascaded in a daisy-chain configuration using echo signal lines to serially communicate between memory devices. In addition, a virtual multiple link configuration is described wherein a single link is used to emulate multiple links. | 2010-07-22 |
20100182839 | Method of Programming Nonvolatile Memory Device - According to a method of programming a nonvolatile memory device, a program operation is performed on a first page by applying a program pulse to the first page. A verification operation is performed on the program operation by applying a verification voltage to the first page. If the program operation for the first page has not been completed, a voltage selected from threshold voltages of the first page is set as a highest threshold voltage. The program operation for the first page is completed by repeatedly performing a program operation and a verification operation on the first page while a voltage level of the program pulse is increased. The sum of a program start voltage for the first page and a difference between the verification voltage and the highest threshold voltage is set as a program start voltage for a second page. | 2010-07-22 |
20100182840 | Nonvolatile Memory Device and Program or Verification Method Using the Same - A nonvolatile memory device includes a bit line sensing signal supply unit configured to output a bit line sensing signal, having a rising voltage level that rises in discrete steps, in response to a control signal, and a bit line sensing unit configured to selectively connect a bit line and a sensing node in response to the bit line sensing signal. | 2010-07-22 |
20100182841 | NONVOLATILE MEMORY DEVICE AND METHOD OF OPERATING THE SAME - A nonvolatile memory device includes a data latch unit configured to store data to be programmed into a memory cell or store data read from a memory cell, and page buffers each comprising a sense node discharge unit configured to selectively ground a sense node depending on data stored in the data latch unit and in response to a sense node discharge signal. | 2010-07-22 |
20100182842 | Sense Amplifier and Data Sensing Method Thereof - A data sensing method for sensing data stored in first and second memory cells includes the steps of: setting a first voltage according to a bit-line voltage corresponding to the first memory cell in response to an enabled level of a first clock signal; providing the first voltage as a sensing voltage in response to a disabled level of the first clock signal; comparing the sensing voltage with a reference voltage to generate a first output voltage; setting a second voltage according to a bit-line voltage corresponding to the second memory cell in response to an enabled level of a second clock signal, a phase difference between the first and second clock signals being 180 degrees; providing the second voltage as the sensing voltage in response to a disabled level of the second clock signal; and comparing the sensing voltage with the reference voltage to generate a second output voltage. | 2010-07-22 |
20100182843 | CURRENT SENSING FOR FLASH - A current sensing data read/verify process and sense amplifier is described that senses memory cells of a non-volatile memory array utilizing a current sensing process that places a current source to provide current to the bit line. The voltage level of the bit line is then set by the current provided by the current source and the current sunk from the bit line through the selected memory cell to the source line, which is dependent on the threshold voltage of its programmed or erased state. If the selected memory cell is erased, current flows through the memory cell to the source line and the bit line voltage falls. If the selected memory cell is programmed, little or no current flows through the cell, and the bit line voltage rises and is sensed by the sense amplifier. | 2010-07-22 |
20100182844 | OPERATING METHOD USED IN READ OR VERIFICATION METHOD OF NONVOLATILE MEMORY DEVICE - In an operating method in a read or verification operation of a nonvolatile memory device, selected bit lines are precharged to a logic high level and, at the same time, unselected bit lines are discharged to a logic low level. The selected and unselected bit lines are connected to respective memory cell strings and, concurrently, word lines are supplied with a pass voltage. The connection between the selected and unselected bit lines and the respective memory cell strings is shut off and, concurrently, a selected word line is supplied with a ground voltage. The selected and unselected bit lines and the respective memory cell strings are coupled together and, concurrently, a selected word line is supplied with a reference voltage and an unselected word line is supplied with the pass voltage. | 2010-07-22 |
20100182845 | NON-VOLATILE MEMORY DEVICE AND METHOD FOR COPY-BACK THEREOF - A method for performing a copy-back operation in a non-volatile memory device includes: measuring and recording a maximum program voltage used to program a part of target data to copy-back when a copy-back command is inputted; and performing a copy-back operation using the recorded maximum program voltage. | 2010-07-22 |
20100182846 | Flash memory with two-stage sensing scheme - For the flash memory, two-stage sensing scheme is realized such that a tiny local sense amp is devised in order to insert between memory cells, which minimizes area penalty, wherein the local sense amp is connected to a global sense amp through a global bit line for configuring two-stage sensing scheme. By inserting as many as local sense amps, long bit line is multi-divided into short bit lines. By the sensing scheme, cell current difference is converted to time difference when reading data. With the short bit line architecture, bit line capacitance is significantly reduced, so that low current memory cell can be used for storing data, and which cell may reduce programming time as well. Furthermore, the memory cell can be formed from thin-film transistor even though the thin-film transistor can flow lower current, which realizes multi-stacked memory cells. Additionally, alternative circuits and memory cell structures are described. | 2010-07-22 |
20100182847 | NONVOLATILE MEMORY SYSTEM, SEMICONDUCTOR MEMORY AND WRITING METHOD - A nonvolatile semiconductor memory recovers variation in the threshold of a memory cell due to disturbance related to a word line. The nonvolatile memory continuously performs many writing operations without carrying out single-sector erasing after each writing operation, performing the additional writing operations quicker than the usual writing operation, and lightening the burden imposed on software for use in additional writing. The data stored in a designated sector is read out before being saved in a register, and the selected sector is subjected to single-sector erasing when a predetermined command is given. Then write expected value data is formed from the saved data and data to be additionally written, completing the writing operation. | 2010-07-22 |
20100182848 | SEMICONDUCTOR DEVICE AND DATA PROCESSOR - To improve the speed of accessing a low-speed circuit block from a high-speed circuit block without significantly increasing power consumption. | 2010-07-22 |
20100182849 | Synchronous semiconductor device and data processing system including the same - A semiconductor device includes first, second and third terminals respectively receiving first, second and third input signals from outside, first, second and third input buffers respectively coupled to the first, second and third terminals, the first, second and third input buffers producing first, second and third buffered signals responsive to the first, second and third input signals, respectively, and first and second gate circuits respectively coupled to the first and second input buffers, the first and second gate circuits coupled to the third input buffer in common, the first and second gate circuits respectively driving output nodes thereof in response to the first and second buffered signals when the third buffered signal is activated, and each of the first and second gate circuits holding the output nodes thereof at a fixed level irrelatively to the first and second buffered signals when the third buffered signal is inactivated. | 2010-07-22 |
20100182850 | DYNAMIC LEAKAGE CONTROL FOR MEMORY ARRAYS - A memory circuit is disclosed that comprises a plurality of memory cells coupled to a virtual voltage rail. The plurality of memory cells may form, for example, a sub-array of an SRAM array. A switching circuit may be coupled between the virtual voltage rail and a voltage supply node, and a comparator may be coupled to compare a voltage level present on the virtual voltage rail to a reference voltage to thereby provide an output signal based on the comparison. The switching circuit may be configured to electrically couple the virtual voltage rail to the voltage supply node depending upon the output signal. In some embodiments, the switching circuit may be implemented using either a PMOS transistor or an NMOS transistor, although other embodiments may employ other switching circuits. | 2010-07-22 |
20100182851 | Refresh control circuit and semiconductor memory device and memory system including the same - A semiconductor memory device includes a refresh control circuit and a memory cell array. The refresh control circuit generates an internal auto refresh control signal based on a chip select signal and an external self refresh control signal. The memory cell array is refreshed in response to the internal auto refresh control signal. Because the semiconductor memory device internally generates the internal auto refresh control signal performing auto refresh operations, the semiconductor memory device may not be required to transmit to external devices for performing the auto refresh operations, and thus pins or pads for transmitting signals may be reduced and operation time may become faster. | 2010-07-22 |
20100182852 | Oscillation Circuit and Semiconductor Memory Device Including the Same - An oscillation circuit includes an internal voltage generator and an oscillator. The internal voltage generator receives an external voltage and generates an internal voltage based on the external voltage. The internal voltage varies in linearly with an operational temperature. The oscillator generates a variable oscillation signal based on the internal voltage. A period of the variable oscillation signal varies in linearly with the operational temperature. | 2010-07-22 |
20100182853 | Semiconductor Memory Device Having a Floating Storage Bulk Region Capable of Holding/Emitting Excessive Majority Carriers - A semiconductor memory device includes: a semiconductor layer formed on an insulating layer; a plurality of transistors formed on the semiconductor layer and arranged in a matrix form, each of the transistors having a gate electrode, a source region and a drain region, the electrodes in one direction constituting word lines; source contact plugs connected to the source regions of the transistors; drain contact plugs connected to the drain regions of the transistors; source wirings each of which commonly connects the source contact plugs, the source wirings being parallel to the word lines; and bit lines formed so as to cross the word lines and connected to the drain regions of the transistors via the drain contact plugs. Each of the transistors has a first data state having a first threshold voltage and a second data state having a second threshold voltage. | 2010-07-22 |
20100182854 | OPERATION GUARANTEE SYSTEM - An operation guarantee system includes a decoder circuit, a comparison circuit, a CPU circuit, a frequency adjustment circuit and a DQ adjustment circuit. The comparison circuit compares a test data signal input from the decoder circuit with an expected value data signal input from the exterior, and detects the presence or absence of an output error in the decoder circuit. The CPU circuit controls the frequency adjustment circuit and the DQ adjustment circuit to vary a frequency of a clock signal input to an external memory and a delay amount of the data signal. In addition, the CPU circuit acquires a result of detection of the comparison circuit under various conditions. Then, the CPU circuit determines an appropriate frequency of the clock signal input to the external memory based on a relationship between the various conditions and the presence or absence of the output error. | 2010-07-22 |
20100182855 | Semiconductor memory device, method of controlling read preamble signal thereof, and data transmission system - A semiconductor memory device and a data transmission system that operate in synchronization with a high speed system clock without using a synchronizing circuit such as a DLL or PLL. A semiconductor memory device that operates in synchronization with a system clock provided from outside, outputs a data strobe signal from a data strobe terminal when a read command is executed, and outputs read data in synchronization with the data strobe signal, is provided with a read preamble register that specifies the length of a read preamble outputted prior to output of the read data. A memory controller gives consideration to system clock frequency and internal delay time of the semiconductor memory device, and by optimally setting the read preamble length, can perform data transmission at high speed and without missing head data even if read data output start timing of the semiconductor memory device varies. | 2010-07-22 |
20100182856 | Semiconductor memory device and read wait time adjustment method thereof, memory system, and semiconductor device - A semiconductor memory device operates in synchronization with a system clock, without using a synchronous circuit such as a DLL or a PLL. The semiconductor memory device includes a synchronous circuit for generating output signals phase aligned with the system clock, a synchronous circuit selection circuit that performs switching between a synchronous circuit selection mode and a synchronous circuit non-selection mode, and a reference edge specifying register that specifies an edge of an internal clock which serves as a reference for outputting read data in the synchronous circuit non-selection mode. In the synchronous circuit selection mode, the read data is output by adjusting a phase deviation of the internal clock with respect to the system clock, using the synchronous circuit. In the synchronous circuit non-selection mode, the read data is output in synchronization with the internal clock, without using the synchronous circuit. For a delay of the internal clock with respect to the system clock, the edge of the internal clock used as the reference is adjusted by the reference edge specifying register. Then, even if the synchronous circuit is not used, a large timing deviation does not thereby occur. | 2010-07-22 |
20100182857 | TESTER FOR SEMICONDUCTOR DEVICE AND SEMICONDUCTOR DEVICE - An apparatus testing a semiconductor device may include, but is not limited to, a first strobe signal generating circuit and a detecting circuit. The first strobe signal generating circuit generates a first strobe signal in response to a reference clock supplied from the semiconductor device. The detecting circuit detects a data signal, supplied from the semiconductor device, based on the first strobe signal. | 2010-07-22 |
20100182858 | NONVOLATILE SEMICONDUCTOR MEMORY DEVICE AND METHOD OF PROGRAMMING - A nonvolatile semiconductor memory device includes a memory cell, a precharge control circuit, a power supply circuit, a bit line driver, a word line driver, a first multiplexer, and a second multiplexer. The memory cell includes an anti-fuse storage element and a selection transistor. Before data are written into the anti-fuse storage element of the memory cell, the anti-fuse storage element is set up in a precharged state by the precharge control circuit, the bit line driver, the word line driver, the first multiplexer, and the second multiplexer. | 2010-07-22 |