03rd week of 2010 patent applcation highlights part 29 |
Patent application number | Title | Published |
20100014282 | FIRE-RESISTANT AND NOISE ATTENUATING RECESSED LIGHTING ASSEMBLY - A fire resistant and sound-attenuating lighting assembly adapted to be recessed or mounted behind a ceiling or other surface comprising a light fixture mounted on a plaster frame and adapted to emit light through an opening in the plaster frame and an insulating blanket deployed around the light fixture except for an opening in the light fixture through which light is emitted. In one embodiment, a shell attached to the plaster frame substantially surrounds the insulating blanket. Among other things, the fire-resistant lighting assembly is capable of sustaining fire barrier standards for a ceiling or other surface and maintains the acoustic insulation of the ceiling or other surface thereby reducing noise transmission. | 2010-01-21 |
20100014283 | PORTABLE LAMP - Disclosed is a portable lamp which may be conveniently carried by a person from one place to another in a room for lighting an area of the room. The portable lamp includes a support member, an electrical socket, a power source and an electrical switch. The support member includes a top end portion configured with the electrical socket, and a bottom end portion configured with the power source. The electrical socket is capable of receiving a light source. The power source is electrically coupled to the electrical socket. The electrical switch is configured on at least one of the top end portion and the bottom end portion of the support member and electrically coupled to the power source for operating the light source. | 2010-01-21 |
20100014284 | Multipurpose Flashlight - A multipurpose flashlight comprising a slotted locking donut and insert stick that can be used to start a fire. The multipurpose flashlight provides an easy way for an individual to have all the tools they will need to create a fire in a survival situation or anytime they are participating in outdoor activities. | 2010-01-21 |
20100014285 | Self-Centering Pull-Out Light Tube Assembly - A pull-out light tube assembly is mounted in an equipment component such as a component that is mounted in an equipment rack. The light tube assembly includes a light tube received within a bushing. The light tube can be pulled out from the bushing and retracted into the bushing. The assembly includes a mechanism for self-centering the light tube within the bushing when the light tube is retracted into the bushing. A guide channel formed in the bushing receives and guides a guide pin formed in the light tube to a centered position. The guide channel may be a V-shaped groove with a receptacle and detent formed at an end thereof to secure the guide pin in a centered position. The mechanism for self-centering maintains a logo formed at a front end of the light tube in a properly oriented position when the light tube is retracted within the bushing. | 2010-01-21 |
20100014286 | LIGHT IRRADIATION APPARATUS - The invention provides a light irradiation apparatus that can adjust widening/narrowing of a light irradiation area and can guide almost whole of light emitted from an LED to the light irradiation area. | 2010-01-21 |
20100014287 | ILLUMINATING DEVICE WITH HEAT DISSIPATING ELEMENT - An exemplary illuminating device includes a circuit board, a plurality of light sources, a thermal interface material, and a plurality of stretched resilient elements. The circuit board has a first surface and a second surface at an opposite side of the circuit board to the first surface. The plurality of light sources is electrically mounted on the first surface of the circuit board. The heat dissipating device is attached on the second surface of the circuit board. The thermal interface material is applied between the second surface of the circuit board and the heat dissipating device. The plurality of resilient elements are configured for connecting the circuit board with the heat dissipating device and providing a pulling force therebetween. | 2010-01-21 |
20100014288 | RETRO-FIT LIGHT STICK DEVICE AND SECONDARY LIGHT SOURCE OR OTHER ELECTRICAL DEVICE FOR USE WITH WALK-IN TYPE COOLERS AND OTHER PRODUCT DISPLAY UNITS - A light stick device and a secondary light source for use in walk-in coolers and other product display devices. The light stick device is configured for replacing existing fluorescent tubes and includes a body portion, an array of light emitting diodes (LEDs) extending along a length of the body portion, an array of deflectors located such that at least one deflector is positioned between each LED to deflect light therefrom, and an electrical power connection to power the LEDs. The electrical power connection is adapted for use with existing fluorescent tube fixtures located within the walk-in cooler or other display unit. The present light stick device may also include at least one plug-in socket for powering another electrical device including a secondary light source from the present light stick device. The secondary electrical device may be configured to interface between a standard fluorescent tube and its power fixtures to draw power from such fixtures. | 2010-01-21 |
20100014289 | Multiple use LED light fixture - The invention provides a multi-use light fixture that includes a light engine, a rugged housing, and an external power supply removeably embedded within an optional external enclosure. The light fixture includes several novel heat management features designed to reduce the risk of failure and thereby increase the reliability of the light fixture. The light engine includes groups of light modules, each having a light emitting diode (LED) and a zener diode. The housing includes an internal gap defined between the a circuit board and the housing. The housing also includes an arrangement of external fins and vents that dissipate heat generated by the light engine. The lens cover includes a plurality of inlets to supply ambient air into the fixture. During operation, heat is generated by the light modules, namely the LEDs, and then is transferred along a first flow path through a main body portion of the housing and the fins for dissipation to ambient and a second air flow path whereby ambient air flows through the light engine to increase the performance and efficiency of the light engine. | 2010-01-21 |
20100014290 | LIGHT-DIRECTING APPARATUS WITH PROTECTED REFLECTOR-SHIELD AND LIGHTING FIXTURE UTILIZING SAME - A light-directing apparatus for off-axial preferential-side distribution of light from a light emitter having an emitter axis, including a lensing member positioned over the light emitter a shield member embedded within the lensing member in a position in the path of light emitted toward a non-preferential side. The lensing member having a proximal end substantially transverse the emitter axis and an outer surface configured for refracting light from the emitter. The shield member may be snugly received in a shield-receiving void of an inner surface of the lensing member. Alternatively, the shield member is embedded by the lensing member having been molded thereabout. Another aspect of this invention is a lighting fixture utilizing such light-directing apparatus. | 2010-01-21 |
20100014291 | LIGHTING DEVICE - A lighting device comprising a plurality of overlapping leaves hingedly attached to a base that can be manipulated to control the size of an opening through which light from a light source passes, and thereby the size and intensity of the light. In some embodiments the device includes an off-center lighting source whereby a light beam is emitted at an angle to an axis passing through the center of the opening formed by the leaves. | 2010-01-21 |
20100014292 | OPTICAL ELEMENT - In various embodiments, an optical element may include at least one elastically deformable support, on which at least one reflective layer is applied; and in addition at least one deformation apparatus for elastically deforming the at least one support. | 2010-01-21 |
20100014293 | LIGHTING UNIT WITH ROTATABLE BODY - In a lighting unit with a holder ( | 2010-01-21 |
20100014294 | LIGHTING OR SIGNALING MODULE WITH IMPROVED THREE-DIMENSIONAL APPEARANCE - A lighting or signaling device for emitting a lighting or signaling beam according to a main direction, of the type comprising a light source, a flux-recovering mirror comprising a set of reflecting tiles, the reflective surface of each reflecting tile being constituted by a first conical segment with two focal points, a first focal point of which is situated on the light source and a second focal point of which is situated, in relation to reflecting tile in a specific direction in relation to the main direction, each reflecting tile forming an image of the light source. A surface of at least one reflecting tile has at least one second conical segment with two focal points a first focal point of which is situated on the light source and a second focal point of which is situated at a distance from the second focal point of the first conical segment with two focal points. | 2010-01-21 |
20100014295 | ASPHERICAL LED ANGULAR LENS FOR NARROW DISTRIBUTION PATTERNS AND LED ASSEMBLY USING THE SAME - The present invention discloses an aspherical LED angular optical lens for narrow distribution patterns and an LED assembly using the same. The optical lens comprises a concave surface on a source side and a convex surface on a project side. The LED assembly comprising the optical lens can accumulate light emitted from the LED die and generate a peak intensity of the narrow angular circle distribution pattern which is greater than 15° and smaller than 30°. The present invention only uses a single optical lens capable of accumulating light and forming a required distribution pattern to satisfy the requirement of a luminous flux ratio greater than 85% and the requirement of an illumination, a flash light of a cell phone or a flash light of a camera. | 2010-01-21 |
20100014296 | LIGHT DISTRIBUTION BOARD HAVING GRATINGS WITH MULTIPLE FOCUSES - A light distribution board having a plurality of light gratings each with multiple focuses, the light distribution board is used on a light outputting surface of a lamp, in which at least a transparent board is provided on at least one of its surfaces with a plurality of light gratings each having multiple focuses, each light grating having multiple focuses is composed of two or more mutually integratedly juxtaposed arciform (concave or convex) lenses to form a convex lens grating having two or more focuses. With this structure, light beams can be uniformly distributed and can avoid the phenomenon of Gauss distribution that makes the area below the lamp especially bright, and can avoid the phenomenon of dazzling of eyes during looking at the light emitting member in the lamp; and except the light beams directly under the lamp, other light beams around the lamp are completely obscured, thus an effect of no optical pollution can be obtained. | 2010-01-21 |
20100014297 | WINDOW ASSEMBLY FOR IRRADIATING INFRARED LIGHT - A window assembly ( | 2010-01-21 |
20100014298 | TUNNEL LIGHT FIXTURE - Disclosed herein is a tunnel light fixture that comprises an improved hinge-coupling mechanism to couple a body and a cover of the light fixture, and has an efficient packing structure capable of increasing the shielding efficiency between a lamp and a ballast to provide improved endurance and safety, and the tunnel light fixture comprises the body and the cover, and the body comprises a hinge-receiving part integral to the body and including a pair of shaft- receiving guides having a shaft groove, and a strut between the pair of shaft-receiving guides, and the cover comprises a hinge-inserting part integral to the cover corresponding to the hinge-receiving part and including a rotational bar having a strut recess formed at an intermediate portion of the rotational bar and a shaft extending from both sides of the rotational bar. | 2010-01-21 |
20100014299 | Thermal module for light-emitting diode - A thermal module for LED includes a base in direct contact with an LED module; a first radiating fin assembly consisting of a plurality of parallelly spaced radiating fins and being connected at one side to the base opposite to the LED module; at least one second radiating fin assembly consisting of a plurality of parallelly spaced radiating fins, so that an air passage is provided between any two adjacent radiating fins of the second radiating fin assembly; and at least one heat pipe having a conducting section extended through and closely bearing against an interface between the base and the first radiating fin assembly, and at least one radiating section outward extended from an end of the conducting section to extend through the second radiating fin assembly. The second radiating fin assembly and the air passages thereof largely upgrade the heat dissipating efficiency of the thermal module. | 2010-01-21 |
20100014300 | Lamps and harp adaptor apparatuses for use with loop light shades - An adaptor or an original lamp. The adaptor is used with a lamp having a light bulb to better mount a loop-type lamp shade thereon. The adaptor has a harp assembly with harp sections that extend from a mounting ring or collar that fits about the head of the lamp. The collar can be eliminated when the apparatus is built in to the lamp head during manufacture. The adapter allows support of the lamp shade by both the loops and using a harp to thus reduce tilting or other disorientation of the lamp shade. | 2010-01-21 |
20100014301 | Bracketless Snap-In Fog Lamp - A lamp assembly providing a lamp, a secondary component, an attachment device, and an adjustment mechanism. The attachment device connects to the secondary component. The adjustment mechanism controls the position of the lamp prior to and after the attachment device is connected to the secondary component. | 2010-01-21 |
20100014302 | LIGHT CONTROL APPARATUS AND RECORDING MEDIUM - The present invention provides, as one aspect, a light control apparatus for controlling directions of optical axes of headlights mounted in a vehicle. The apparatus includes a position detecting section that detects positions of the headlights with respect to a road surface, an optical axis direction calculating section that calculates the directions of the optical axes of the headlights, individually, so that the optical axes are directed to illumination targets positioned at predetermined distances from the positions of the headlights detected by the position detecting section, a leveling control section that controls the directions of the optical axes of the headlights in the vertical direction, individually, and a leveling output section that outputs a control command based on a calculation result of the optical axis direction calculating section to the leveling control section. | 2010-01-21 |
20100014303 | ILLUMINATING DEVICE INSTALLED ON A TRUCK'S WHEELS - An illuminating device installed on a truck's wheels includes a hubcap having a positioning base and at least one fixing base. The positioning base is provided with a chamber and two notches formed in its one side wall. The fixing base has a recess, a through hole bored in the recess to communicate with an outside of the hubcap, and two recessed slot. A generator is fixed at an inside center of the hubcap, provided with two conducting blades extending into the chamber of the positioning base. At least a light is fitted in the through hole of the hubcap and connected with the conducting blades by conducting lines. By means of rotation or vibration of the wheels, the generator can create electromotive force to supply the light with power to make rotary brilliant brightness so as to achieve a warning effect for traffic security. | 2010-01-21 |
20100014304 | Holding frame for an optical element - The holding frame is equipped for holding at least one optical element, the holding frame consisting of an opaque material. | 2010-01-21 |
20100014305 | Device For Automatic Switching Of A Touring Shutter By Extreme Travel Of The Height Adjustment Of A Headlight - A device for automatic switching of the touring diaphragm by an extreme travel of the height controls of the headlight is provided with a mechanism for changing the spatial distribution of the light, consisting of a projector ( | 2010-01-21 |
20100014306 | Breakable Structure of Headlamp for Vehicles - A breakable structure of a headlamp for vehicles is partially broken and deformed when an impact force is applied to the headlamp. The breakable structure of the present invention includes at least a separable member provided in the junction of the headlamp housing and the headlamp lens, the separable member being separated from the junction of the headlamp and the headlamp lens when an impact force is applied thereto. | 2010-01-21 |
20100014307 | Vehicle - A vehicle has a lamp arranged outside a passenger compartment having a vehicle window through which light of the lamp penetrates into the vehicle. The lamp is arranged and constructed such that the light of the lamp is or will be polarized parallel to a plane of incidence of the light. | 2010-01-21 |
20100014308 | LIGHTING APPARATUS AND METHOD OF MANUFACTURE - A lighting subassembly includes at least one light emitting device, a solid, light transmitting material, and a mating arrangement. The solid, light-transmitting material at least partially surrounds the at least one light emitting device. The mating arrangement communicates with the solid, light transmitting material and is configured to be attachable to a corresponding base assembly. In some examples, the lighting subassembly further includes a frame and the frame is integral with the solid, light-transmitting material. | 2010-01-21 |
20100014309 | Vehicle Light - A vehicle light is provided having a light source, a fiber-optic light guide into which light of the light source is coupled on a coupling surface, an expander for expanding the aperture angle of an incident light beam, and deflectors, which are intended for deflecting incident light, disposed behind a rear side of the fiber-optic light guide. | 2010-01-21 |
20100014310 | MODULAR LIGHTING SYSTEM - A light emitting fixture carried by a ceiling, wherein the fixture includes an electrical light source which emits generated light in response to an electrical signal and an optical fiber with light emitting and light collecting ends. The optical fiber emits collected light from the light emitting end in response to receiving incident light at the light receiving end. | 2010-01-21 |
20100014311 | DEVICE FOR SIGNS - A device comprising the following parts; a light guiding plate in thermoplastic material; a source of light placed on at least one edge of the light guiding plate; a reflecting surface placed along the surface of the light guiding plate, a series of grooves being present on the lower surface, parallel to the light guiding plate edge on which there is the source of light; the grooves having: an hollow shape; the total groove surface, measured on the incision projections on the plate surface, comprised between 10% and 60% with respect to the plate surface; the width of each groove between 0.2 and 5 mm. | 2010-01-21 |
20100014312 | Prismatic Film Backlight - A selectively light-reflecting sheet ( | 2010-01-21 |
20100014313 | DISPLAY - A display comprises: a single-view image display panel ( | 2010-01-21 |
20100014314 | LIGHT DIFFUSION PLATE, COMPOSITION LIQUID FOR FORMING A LIGHT DIFFUSION LAYER AND PROCESS FOR PRODUCING LIGHT DIFFUSION PLATE - A conventional light diffusion plate provided in a direct type backlight unit to be employed for e.g. a liquid crystal display, has problems in that it does not have a sufficient diffusion performance, it is difficult to increase the size, and it is difficult to produce such a light diffusion plate at low cost. | 2010-01-21 |
20100014315 | LINEAR LIGHT SOURCE APPARATUS AND IMAGE READING APPARATUS PROVIDED WITH THE SAME - A linear light source apparatus ( | 2010-01-21 |
20100014316 | Light guide plate and method for manufacturing the same, and backlight module using the same - A light guide plate includes a light input surface, a light output surface adjoining the light input surface, and a reflecting surface opposite the light output surface. One of the light output surface and the reflecting surface defines a plurality of scattering microstructures. Each scattering microstructure includes a spherical protrusion having a substantially spherical surface, and a substantially ring-shaped groove defined around a periphery of the spherical protrusion. At least half of the spherical surface is as smooth as a mirror. A method for manufacturing the light guide plate and a backlight module using the light guide plate are also provided. | 2010-01-21 |
20100014317 | LIGHT GUIDE PLATE AND BACKLIGHT MODULE USING THE SAME - An exemplary light guide plate includes a light input surface, a light output surface adjoining the light input surface, and a reflecting surface opposite the light output surface. At least one of the light output surface and the reflecting surface defines a plurality of microstructures extending along a direction from a first side away from the light input surface to the light input surface, and the extending paths of the plurality of microstructures gradually transform from parallel straight lines to intersecting curves. | 2010-01-21 |
20100014318 | Light guide panel, display including the same, and associated methods - A light guide panel includes a lateral side configured to transmit light to an interior of the light guide panel, a rear side configured to reflect light to the interior of the light guide panel, and a front side configured to emit light from the interior of the light guide panel, wherein the rear side includes a repeating pattern of regions, each region having a plurality of wedge-shaped rear prisms disposed therein, and the wedge-shaped rear prisms include at least one of a side having a predetermined radius of curvature and a side having a point of inflection. | 2010-01-21 |
20100014319 | IMAGE DISPLAY APPARATUS, AND DISGUISING DEVICE - An image display apparatus ( | 2010-01-21 |
20100014320 | SWITCHING POWER SUPPLY DEVICE AND METHOD FOR ADJUSTING DEAD TIME THEREOF - A resonant switching power supply device includes: a first switching element and a second switching element which are configured to convert and adjust power. A capacitance of a first/second gate-drain capacitor existing between a gate and a drain of the first/second switching element and a resistance of a first/second gate resistor of the first/second switching element are set such that, in a period during which a resonance current flows by switching the second/first switching element, a gate-source voltage of the first/second switching element is lower than an ON threshold voltage of the first/second switching element due to the resonance current divided into the first/second gate-drain capacitor. | 2010-01-21 |
20100014321 | VARIABLE SWITCHING FREQUENCY TYPE POWER SUPPLY - There is provided a variable switching frequency type power supply that can achieve high efficiency by fixing a switching duty cycle to 50% and varying switching frequency. A variable switching frequency type power supply according to an aspect of the invention may include: a switching unit switching input power; a transformation unit converting a voltage level of the power switched by the switching unit into a predetermined voltage level; a rectification unit rectifying the power converted by the transformation unit; and a control unit fixing a switching duty cycle of the switching unit to a predetermined switching duty cycle, and varying switching frequency of the switching unit according to a voltage level of output power. | 2010-01-21 |
20100014322 | SWITCHED MODE POWER SUPPLY AND METHOD OF PRODUCTION - A switched mode power supply allowing a half bridge converter to be use alone or in combination with another converter to form a full bridge converter. A common controller may be used for either half bridge or full bridge configurations. The modular approach simplifies design for a range of power supplies and reduces costs. | 2010-01-21 |
20100014323 | VOLTAGE CONTROL DEVICE AND VOLTAGE CONTROL METHOD - A voltage control device and a voltage control method capable of improving efficiency of a system as a whole even when fluctuation in voltage of a capacitor, which is a storage battery, is large are provided. A capacitor for supplying electric power to a predetermined load, an inverter connected to the load, an AC-coupling bi-directional DC-DC converter including two voltage source inverters of which direct-current terminals are connected in series so as to have additive polarity and a transformer for AC-coupling alternating-current terminals of the two voltage source inverters and having a predetermined leak inductance, with one of the two voltage source inverters connected in parallel to a capacitor, for outputting direct-current voltage obtained by increasing capacitor voltage of the capacitor to the inverter, and control unit for generating a command value of the direct-current voltage based on efficiency of the AC-coupling bi-directional DC-DC converter having a value corresponding to the capacitor voltage to output, are provided. | 2010-01-21 |
20100014324 | OFFLINE SYNCHRONOUS RECTIFYING CIRCUIT WITH SENSE TRANSISTOR FOR RESONANT SWITCHING POWER CONVERTER - A synchronous rectifying circuit of a resonant switching power converter is provided to improve the efficiency. The synchronous rectifying circuit includes a power transistor and a diode connected to a transformer and an output ground of the power converter for rectifying. A sense transistor is coupled to the power transistor for generating a mirror current correlated to a current of the power transistor. A controller generates a driving signal to control the power transistor in response to a switching-current signal. A current-sense device is coupled to the sense transistor for generating the switching-current signal in response to the mirror current. The controller enables the driving signal to turn on the power transistor once the diode is forwardly biased. The controller generates a reset signal to disable the driving signal and turn off the power transistor once the switching-current signal is lower than a threshold. | 2010-01-21 |
20100014325 | AC-AC CONVERTER WITH HIGH FREQUENCY LINK - An AC-AC Converter for an AC source which in one embodiment has a first rectifier section rectifying the AC source into a first pulsed DC link voltage signal and a high frequency modulating section coupled to the first pulsed DC link voltage signal and producing a high frequency AC voltage signal. A high frequency transformer is coupled to the high frequency AC voltage signal producing a transformed high frequency AC signal. There is a second rectifier section coupled to the transformed high frequency AC signal and producing a second pulsed DC voltage signal and an unfolder section coupled to the second pulsed DC voltage signal and producing an output AC signal. | 2010-01-21 |
20100014326 | MEANS OF ELIMINATING ELECTROLYTIC CAPACITOR AS THE ENERGY STORAGE COMPONENT IN THE SINGLE PHASE AD/DC TWO-STAGE CONVERTER - A power factor correction (PFC) circuit includes an inductor, a diode, a storage capacitor, a switch and a control unit. The input power has a voltage fluctuation V | 2010-01-21 |
20100014327 | CURRENT CONTROL TYPE CONVERTER - A current control type converter has a converter section and a control section that includes three controllers. A first controller calculates and outputs an active current instruction value by proportional-plus-integral control to perform proportional integration of a deviation between the value of a DC voltage outputted from the converter section and a DC voltage instruction value. A second controller calculates and outputs an active voltage correction value by proportional-plus-integral control to perform proportional integration of a deviation between the active current instruction value from the first controller and the value of an active current inputted to the converter section. A third controller calculates and outputs a reactive voltage correction value by proportional-plus-integral control to perform proportional integration of a deviation between the value of a reactive current inputted to the converter section and a reactive current instruction value. | 2010-01-21 |
20100014328 | Direct Current Generator and the Pulse generator thereof - The present invention provides a direct current generator and a pulse generator thereof. The pulse generator includes a comparator to replace a central processing unit and a logic integrated circuit to save the costs and space required by the electronic components. The pulse generator generates pulses to control the activation of the direct current generator and then to control the output current of the direct current generator. The direct current generator generates current having pulses based on pulses signals from the pulse generator to drive a load. | 2010-01-21 |
20100014329 | Enhanced one cycle control for power factor correction - A method of controlling a power factor correction (PFC) converter that has a discontinuous input current includes sensing the input current, sensing an output voltage and controlling a duty cycle of at least one switch in the converter in response to the sensed input current and output voltage using a control equation for controlling the duty cycle of the switch such that an average input current to the converter is sinusoidal. Example circuits capable of performing the method are also disclosed. | 2010-01-21 |
20100014330 | AC TO DC POWER CONVERTER WITH HOLD-UP TIME FUNCTION - An AC to DC power converter with hold up time function has a charging switch and a mode switch. The charging switch is connected between an output capacitor of a PFC controlling circuit and an energy-storage capacitor. The mode switch is connected between the energy-storage capacitor and an input of the PFC controlling circuit. The charging and mode switches are controlled by a PFC controller. When AC power is normal, the charging switch turns on and mode switch turns off. Meanwhile, the energy-storage capacitor and the output capacitor are connected in parallel to store energy in the energy-storage capacitor. When the AC power source is interrupted, the charging switch turns off and mode switch turns on. Therefore, the energy-storage capacitor is disconnected from the output capacitor. The PFC circuit obtains power from the energy-storage capacitor and continuous to supply an output voltage for a while. | 2010-01-21 |
20100014331 | Power Converter, Switching Control Device Thereof, And Driving Method Thereof - A power converter according to the present invention includes a power supply unit, an output unit, and a switching controller. The power supply unit includes a primary coil of a transformer that receives an input voltage, a gate electrode, and a switch having a first electrode and a second electrode that is connected to the primary coil. The output unit includes a secondary coil of the transformer, and outputs an output voltage that is converted from the input voltage by the transformer. The switching controller includes a feedback terminal that receives a feedback voltage corresponding to the output voltage, generates a burst voltage by compensating the feedback voltage according to a maximum current value that can flow between the second electrode and the first electrode of the switch, determines whether to perform a burst mode operation according to the burst voltage, and transmits a gate signal according to performance of the burst mode operation to the gate electrode of the switch. | 2010-01-21 |
20100014332 | System and method for providing a DC voltage source within a power meter - A power meter for measuring power consumption and detecting the presence of an unsafe line condition is disclosed. The power meter has a service disconnect switch, which is interposed between load contacts and source contacts, the disconnect switch interrupts the flow of power from the source contacts to the load contacts when the disconnect switch is in an open position. The power meter also has a processor coupled to a two input signal processing circuit. The two input signal processing circuit receives a first and second voltage signal from the load contacts. The two input signal processing circuit converts the first and second voltage signal into a first and second voltage value. The processor computes the power consumption using the first and second voltage values in combination with current values. The processor uses the first or second voltage valuea to determine the presence of an unsafe line condition when either the first or second voltage value exceeds a first voltage threshold or the first or second voltage value is below a second voltage threshold when the service disconnect switch is in the open position. | 2010-01-21 |
20100014333 | ELECTRIC POWER UNIT FOR INDUCTION HEATING - Reverse conducting type semiconductor switches are arranged in a bride from, an energy storage capacitor is connected with its DC terminal to obtain a magnetic energy regeneration switch, and then an induction coil is connected to its AC terminal. An AC pulse current of variable frequency is obtained by applying a gate signal to the semiconductor switch to thereby turn it ON/OFF; since a voltage is generated automatically by regenerating magnetic energy, a DC power supply is connected to the opposite ends of the capacitor through a smoothing coil, thus injecting power. | 2010-01-21 |
20100014334 | ELECTRIC POWER SUPPLY CIRCUIT - An electric power supply circuit includes a diode bridge circuit ( | 2010-01-21 |
20100014335 | THREE-PHASE POWER CONVERTING APPARATUS - A three-phase inverter circuit ( | 2010-01-21 |
20100014336 | DC-AC Converter and Method of Supplying AC Power - A dc-ac converter capable of supplying a finely regulated ac drive voltage to a load is provided. For this purpose, the converter includes, in a primary winding of a transformer, a full-bridge or half-bridge type semiconductor switch circuit whose switch can be controlled by pulse-width modulation. Transformer has a secondary winding for connection with a load. Based on PWM signals and by use of adequate switching logics for controlling multiple semiconductor switches, sophisticated control including zero-current switching and penetrating current prevention can be effected. Moreover, by means of regulated burst control of the ratio of on-duty period to off-duty period together with pulse-width modulation control, power supplied to the load can be regulated over a wide range beyond the limits of control obtained by the pulse-width modulation. | 2010-01-21 |
20100014337 | ARRANGEMENT AND A METHOD FOR COOLING - An arrangement for cooling a high voltage converter including a major loop with a pump for making a coolant liquid to pass power semiconductor devices of the converter and a heat exchanger for lowering the temperature of the coolant liquid before passing the power semiconductor devices again. An extra loop is connected to the major loop. The extra loop has a cooling apparatus containing a volume of a cooling medium and adapted to cool the medium to a temperature substantially lower than the temperature of the coolant liquid after having passed the heat exchanger in the major loop. A control unit is adapted to divert at least a part of the coolant liquid to flow through the extra loop when the need of cooling the power semiconductor devices of the converter is extremely high. | 2010-01-21 |
20100014338 | COOLING AND SHIELDING OF A HIGH VOLTAGE CONVERTER - A converter for converting alternating voltage into direct voltage and vice versa in a converter station of a high voltage transmission system. A series connection of converter valves includes power semiconductor devices connected in series and arranged in superimposed layers. The valves are arranged on top of each other in a column. Coolant liquid conducting tubes are in an extension over at least one part of the circumference of the column having no connections to cooling blocks for cooling the devices made of metal. Such metal tubes are arranged in the part for over this part of the column circumference forming an electric field shielding screen. The coolant liquid conducting tubes are when extending over parts of a circumference of the column where connections are made to cooling blocks made of an electrically insulating material. An electric field shield is arranged outside the column over these parts. | 2010-01-21 |
20100014339 | Semiconductor memory device and memory access method - A semiconductor memory device includes: first and second memory mats; first and second local input output lines coupled to the first memory mat via a first amplifier circuit; third and fourth local input output lines different from the first and second local input output lines, third and fourth local input output lines coupled to the second memory mat via a second amplifier circuit; a third amplifier circuit coupled between the first local input output line and a first main input output line; a fourth amplifier circuit coupled between the third local input output line and a second main input output line different from the first main input output line; and a first switch coupled between the second and third local input output lines and connecting the second local input output line to the fourth amplifier circuit when the first memory mat is activated and the second memory mat is not activated. | 2010-01-21 |
20100014340 | Quad SRAM Based One Time Programmable Memory - A differential latch-based one time programmable memory cell is provided. The differential latch-based one time programmable memory cell includes a differential latching amplifier having a first set of fuse devices coupled to the first input and a second set of fuse devices coupled to the second input. Only one set of fuse devices can be programmed in a memory cell. If one or more fuse devices in a set of fuse devices are programmed, the side having the programmed fuse will present a lower voltage at its input to the differential latching amplifier. Differential latching amplifier outputs a “0” or a “1” depending on the side having the programmed fuse. | 2010-01-21 |
20100014341 | SEMICONDUCTOR MEMORY DEVICE - A memory includes word lines; plate lines; first to eighth bit lines; cell transistors; ferroelectric capacitor connected in parallel with cell transistors; sense amplifiers, wherein cell transistors and ferroelectric capacitors configure cells, the cells are connected in series to configure first to eighth cell blocks, the cell blocks are connected to the same word lines, first ends of the cell blocks are respectively connected to the bit lines, second ends of the cell blocks are respectively connected to the different plate lines, one of the first to the fourth bit lines and one of the fifth to the eighth bit lines are configured to be selectively connected to the sense amplifier during an operation, numbers of the cells connected in series between the bit lines and the plate lines are different in the first to the fourth cell blocks, and are different in the fifth to the eighth cell blocks. | 2010-01-21 |
20100014342 | SEMICONDUCTOR STORAGE DEVICE - A memory includes a cell block comprises memory cells connected in series; block select transistors connected to one ends of the cell blocks; bit lines; plate lines; a sense amplifier comprises an N-type sensor and a P-type sensor, the N-type sensor applying a low-level potential to the bit line, and the P-type sensor applying a high-level potential to the bit line; local data lines corresponding to the bit lines respectively and transmitting data; and a column select transistor between one of the bit lines and one of the local data lines; wherein either one of the P-type sensor and the N-type sensor is set in an inactive state with the other one of the P-type sensor and the N-type sensor being in an active state, when the column select transistor is turned on to transmit the data to be written from the local data line to the bit line. | 2010-01-21 |
20100014343 | NONVOLATILE MEMORY APPARATUS AND NONVOLATILE DATA STORAGE MEDIUM - [Objective] A nonvolatile memory apparatus and a nonvolatile data storage medium of the present invention, including nonvolatile memory elements each of which changes its resistance in response to electric pulses applied, comprises a first write circuit ( | 2010-01-21 |
20100014344 | Switchable two terminal multi-layer perovskite thin film resistive device and methods thereof - A switchable resistive device has a multi-layer thin film structure interposed between an upper conductive electrode and a lower conductive electrode. The multi-layer thin film structure comprises a perovskite layer with one buffer layer on one side of the perovskite layer, or a perovskite layer with buffer layers on both sides of the perovskite layer. Reversible resistance changes are induced in the device under applied electrical pulses. The resistance changes of the device are retained after applied electric pulses. The functions of the buffer layer(s) added to the device include magnification of the resistance switching region, reduction of the pulse voltage needed to switch the device, protection of the device from being damaged by a large pulse shock, improvement of the temperature and radiation properties, and increased stability of the device allowing for multivalued memory applications. | 2010-01-21 |
20100014345 | NONVOLATILE MEMORY DEVICE WITH TEMPERATURE CONTROLLED COLUMN SELECTION SIGNAL LEVELS - A nonvolatile memory device includes a memory cell array with a matrix of nonvolatile memory cells. The nonvolatile memory cells may store data using variable resistive elements. A plurality of bitlines are coupled to a plurality of nonvolatile memory cell arrays in the memory cell array. A column selection circuit selects among the bitlines in response to a column selection signal. A controller regulates a level of the column selection signal in response to a temperature signal from a temperature sensor. The temperature sensor may be configured to measure temperature outside the nonvolatile memory device to generate the temperature signal. | 2010-01-21 |
20100014346 | UNIPOLAR SPIN-TRANSFER SWITCHING MEMORY UNIT - A memory unit includes a magnetic tunnel junction data cell electrically coupled to a bit line and a word line. The magnetic tunnel junction data cell is configured to switch between a high resistance state and a low resistance state by passing a unipolar voltage across the magnetic tunnel junction data cell. A diode is electrically coupled between the magnetic tunnel junction data cell and the word line or bit line. A voltage source provides the unipolar voltage across the magnetic tunnel junction data cell that writes the high resistance state and the low resistance state. | 2010-01-21 |
20100014347 | DIODE ASSISTED SWITCHING SPIN-TRANSFER TORQUE MEMORY UNIT - A memory unit includes a magnetic tunnel junction data cell electrically coupled to a bit line and a source line. The magnetic tunnel junction data cell is configured to switch between a high resistance state and a low resistance state by passing a polarized write current through the magnetic tunnel junction data cell. A transistor is electrically between the magnetic tunnel junction data cell and the bit line or source line and a diode is in thermal or electrical contact with the magnetic tunnel junction data cell to assist in resistance state switching. | 2010-01-21 |
20100014348 | Circuit, System, and Method for Programming a Floating Gate - The invention provides circuits, systems, and methods for programming a floating gate. A floating gate tunneling device is used with an analog comparing device in a circuit having a floating reference node and an offset-mitigating feedback loop for iteratively programming a floating gate, or multiple floating gates. | 2010-01-21 |
20100014349 | PROGRAMMING NON-VOLATILE STORAGE USING BINARY AND MULTI-STATE PROGRAMMING PROCESSES - A non-volatile storage system stores data by programming the data as binary data into blocks that have not yet been programmed with multi-state data and have not yet been programmed with binary data X times. The system transfers data from multiple blocks (source blocks) of binary data to one block (target block) of multi-state data using a multi-state programming process, where the target block has been previously programmed with binary data X times (or less than X times). | 2010-01-21 |
20100014350 | NAND FLASH MEMORY - A NAND flash memory according to examples of the invention includes a memory cell array comprised of first, second, and third NAND blocks disposed in order in a first direction and first and second transfer transistor blocks disposed in order in the first direction at one end in a second direction intersecting with the first direction of the memory cell array. An address allocation to the word lines in the first NAND block is inverted against an address allocation to the word lines in the third NAND block. | 2010-01-21 |
20100014351 | SEMICONDUCTOR MEMORY HAVING ELECTRICALLY ERASABLE AND PROGRAMMABLE SEMICONDUCTOR MEMORY CELLS - An electrically alterable non-volatile multi-level memory device and a method of operating such a device, which includes setting a status of at least one of the memory cells to one state selected from a plurality of states including at least first to fourth level states, in response to information to be stored in the one memory cell, and reading the status of the memory cell to determine whether the read out status corresponds to one of the first to fourth level states by utilizing a first reference level set between the second and third level states, a second reference level set between the first and second level states and a third reference level set between the third and fourth level states. | 2010-01-21 |
20100014352 | NON-VOLATILE MEMORY CELL READ FAILURE REDUCTION - The present disclosure includes various method, device, and system embodiments for reducing non-volatile memory cell read failures. One such method embodiment includes performing a first read operation, using an initial read potential, to determine a state of a selected memory cell in a string of non-volatile memory cells. This method includes determining whether the state of the selected memory cell is an incorrect state by performing a first check using a data checking technique, and if the incorrect state is determined, performing a number of subsequent read operations using read potentials stepped to a higher and a lower read potential to a particular count of read operations. | 2010-01-21 |
20100014353 | FLASH MEMORY DEVICE WITH SWITCHING INPUT/OUTPUT STRUCTURE - In a flash memory device with switching I/O structure for applying in flash memory products, depending on actual need for input and/or output pins, other pins may be flexibly switched to input, output, or bi-directional pins through software and/or hardware and/or CAM access. Therefore, data input and/or output rate may be changed through switching the I/O structure. Moreover, after the I/O configuration, the switched other pins may start data input/output immediately after the flash memory is started to operate, without the need of waiting for several input/output phases. | 2010-01-21 |
20100014354 | USE OF RECOVERY TRANSISTORS DURING WRITE OPERATIONS TO PREVENT DISTURBANCE OF UNSELECTED CELLS - A memory array and method for performing a write operation in a memory array that eliminates parasitic coupling between selected and unselected bitlines and protects memory cells on unselected bitlines. A memory array ( | 2010-01-21 |
20100014355 | NONVOLATILE SEMICONDUCTOR MEMORY DEVICE - In a nonvolatile memory cell, a selection transistor is connected to a memory cell transistor in series. The selection transistor is formed into a double layer gate structure, and has a voltage of each gate driven individually and separately. Using capacitive coupling between these stacked gate electrode layers of the selection transistor, a gate potential of the selection transistor is set to the predetermined voltage level. An absolute value of the voltage level generated by a voltage generator to the gates of the selection transistor can be made small, so that current consumption can be reduced and an layout area of the voltage generator can be reduced. Thus, a nonvolatile semiconductor memory device with a low current consumption and a small chip layout area is provided. | 2010-01-21 |
20100014356 | SENSE AMPLIFIER USED IN ELECTRICALLY ERASABLE PROGRAMMABLE READ-ONLY MEMORY AND THE IMPLEMENTING METHOD THEREOF - The present invention discloses a sense amplifier used in an Electrically Erasable Programmable Read-only Memory; the sense amplifier includes a reference current generation circuit, which is used for providing a reference current with a settable temperature coefficient for a main circuit of the sense amplifier; the sense amplifier further includes the main circuit, which is used for comparing the reference current with a storage cell current, and distinguishing between 0 Storage Cell and 1 Storage Cell. The present invention further discloses a method of implementing the sense amplifier that is as below: With an additional current reference circuit, generating the reference current with a positive/negative/zero temperature coefficient to be inputted into the main circuit, by mixing a proportional absolute temperature current and a constant current according to different ratios; and providing a storage cell selection tube in a mirror branch of a biased current of the main circuit, so as to constitute a source degeneration circuit, thus making the biased current change with the power supply voltage and the process as well as realizing a gain compensation function. The sense amplifier of the present invention can automatically compensate the process, the power supply voltage and temperature, and possesses the dynamic high speed property. | 2010-01-21 |
20100014357 | FLASH-BASED FPGA WITH SECURE REPROGRAMMING - A flash-based programmable integrated circuit includes programmable circuitry, a flash memory array coupled to the programmable circuitry for configuring it, flash programming circuitry for programming the flash memory array, and an on-chip intelligence, such as a microcontroller or state machine, coupled to the programming circuitry to program the flash memory from off-chip data supplied via an I/O pad, or to refresh the data stored in the flash memory to prevent it from degrading. | 2010-01-21 |
20100014358 | NONVOLATILE MEMORY CELL, NONVOLATILE MEMORY DEVICE, AND METHOD OF PROGRAMMING THE NONVOLATILE MEMORY DEVICE - A method of programming a nonvolatile memory device. The method may include pre-programming one memory cell among a plurality of memory cells by storing data in a first data storage layer using a first program voltage applied to one word line corresponding to the one memory cell among the plurality of memory cells; and while pre-programming other memory cells among the plurality of memory cells, background-programming the pre-programmed memory cell by moving the stored data to a second data storage layer using a second program voltage that is higher than the first program voltage applied to the word line of the pre-programmed memory cell. | 2010-01-21 |
20100014359 | OPERATING METHOD OF NON-VOLATILE MEMORY - An operating method of a non-volatile memory adapted for a non-volatile memory disposed on an SOI substrate including a first conductive type silicon body layer is provided. The non-volatile memory includes a gate, a charge storage structure, a second conductive type drain region, and a second conductive type source region. In operating such a non-volatile memory, voltages are applied to the gate, the second conductive type drain region, the second conductive type source region and the first conductive type silicon body layer beneath the gate, to inject electrons or holes in to the charge storage structure or evacuate the electrons from the charge storage structure by a method selected from a group consisting of channel hot carrier injection, source side injection, band-to-band tunnelling hot carrier injection and Fowler-Nordheim (F-N) tunnelling. | 2010-01-21 |
20100014360 | Semiconductor device and control method thereof - Disclosed is a memory circuit that includes a plurality of columns of bit line pairs, each bit line pair including True and Bar bit lines, between which at least a memory cell is connected; a sense amplifier that has True and Bar terminals and that performs differential amplification; and a switching circuit that selects one of: a straight connection in which the True and Bar bit lines of a selected column bit line pair are connected to the True and Bar terminals of the sense amplifier, respectively; and a cross connection in which the True and Bar bit lines of a selected column bit line pair are connected to the Bar and True terminals of the sense amplifier, respectively. | 2010-01-21 |
20100014361 | SEMICONDUCTOR MEMORY DEVICE AND METHOD FOR DRIVING THE SAME - A semiconductor memory device can stabilize a voltage level of a normal driving voltage terminal in a normal driving operation, which is performed after an overdriving operation, even when an overdriving voltage is unstable due to environmental factors of the semiconductor memory device in the overdriving operation. The semiconductor memory device includes a bit line sense amplifier for performing an amplification operation using a normal driving voltage or an overdriving voltage to sense and amplify data applied to bit lines, a normal driving voltage compensator configured to drive a normal driving voltage terminal according to a voltage level of the normal driving voltage terminal and target normal driving voltage levels, and a discharge enable signal generator configured to generate a discharge enable signal by adjusting an activation period of the discharge enable signal according to the overdriving voltage. | 2010-01-21 |
20100014362 | DATA READOUT CIRCUIT AND SEMICONDUCTOR MEMORY DEVICE - A data readout circuit comprises: a 1st PMOS transistor configured to operate in a saturation region and including a source connected to a power supply, a drain connected to an input terminal connected to a memory cell of a data readout object, and a gate to which a 1st bias voltage is supplied; a 2nd PMOS transistor including a source connected to the drain of the 1st PMOS transistor, a drain connected to an output terminal, and a gate to which a 2nd bias voltage is supplied; a 1st NMOS transistor including a drain connected to the drain of the 2nd PMOS transistor, a source grounded, and a gate to which a 3rd bias voltage is supplied; and a bias voltage supply section causing the 2nd PMOS transistor to operate in a saturation region and supplying the 2nd bias voltage to the gate of the 2nd PMOS transistor, wherein the 2nd bias voltage is adjusted so as to keep a reference voltage of the input terminal at a junction point between the drain of the 1st PMOS transistor and the source of the 2nd PMOS transistor. | 2010-01-21 |
20100014363 | SELFCALIBRATION METHOD AND CIRCUIT OF NONVOLATILE MEMORY AND NONVOLATILE MEMORY CIRCUIT - The present invention discloses a selfcalibration method of a reading circuit of a nonvolatile memory, by which trimming data having recorded a reference current are stored in a bit-pair form into the memory and regulate a sense amplifier, and a value of the reference current is obtained according to the trimming data when “0” and “1” in the outputted trimming data have the same quantities. The present invention further discloses a selfcalibration circuit of the nonvolatile memory, which includes a trimming data storage module, a sense amplifier module, a logic judgment module, and a scanning module. The present invention furthermore discloses a nonvolatile memory circuit, which includes a memory cell array and the selfcalibration circuit of the reading circuit of the nonvolatile memory. The present invention, not requiring an additional fuse or differential unit, can solve a deadlock problem securely and reliably without increasing circuit area and test cost, and be widely applied to OTP, MTP and EEPROM of various processes or various nonvolatile memories such as Flash EEPROM, MRAM, and FeRAM, improving reliability of the memory effectively. | 2010-01-21 |
20100014364 | MEMORY SYSTEM AND METHOD USING STACKED MEMORY DEVICE DICE, AND SYSTEM USING THE MEMORY SYSTEM - A memory system and method uses stacked memory device dice coupled to each other and to a logic die. The logic die may include a timing correction system that is operable to control the timing at which the logic die receives signals, such as read data signals, from each of the memory device dice. The timing correction controls the timing of the read data or other signals by adjusting the timing of respective strobe signals, such as read strobe signals, that are applied to each of the memory device dice. The memory device dice may transmit read data to the memory device at a time determined by when it receives the respective strobe signals. The timing of each of the strobe signals is adjusted so that the read data or other signals from all of the memory device dice are received at the same time. | 2010-01-21 |
20100014365 | DATA INPUT CIRCUIT AND NONVOLATILE MEMORY DEVICE INCLUDING THE SAME - A data input circuit includes a first data input unit, a second data input unit, and a clock unit. The first data input unit is configured to receive external data at rising edges of a data strobe signal and output the external data as first internal data in response to an internal clock. The second data input unit is configured to receive the external data at falling edges of the data strobe signal and output the external data as second internal data in response to the internal clock. The clock unit is configured to generate the internal clock using an external clock signal. | 2010-01-21 |
20100014366 | Semiconductor memory devices having signal delay controller and methods performed therein - A semiconductor memory device may have a memory cell array with respective memory cells disposed at intersections of rows and columns. The semiconductor memory device may also include at least one decoder and at least one delay controller. The decoder may select a row or column of the memory cell. The signal delay controller may control a delay of an activation signal applied to the row or column by the at least one decoder based on at least one of a position of the at least one memory cell associated with the selected row or column and a line loading capacitance value of the selected memory cell. | 2010-01-21 |
20100014367 | MEMORY REPAIR CIRCUIT AND REPAIRABLE PSEUDO-DUAL PORT STATIC RANDOM ACCESS MEMORY - The present invention relates to a memory repair circuit and a repairable pseudo-dual port static random access memory (pseudo-dual port SRAM). The memory repair circuit uses fewer redundant column blocks and stores a few failed block addresses to reduce the required complexity of decoding the redundant column blocks. Thus, the present invention can reduce a layout area required by redundant memory cells. | 2010-01-21 |
20100014368 | SYSTEM THAT INCREASES DATA EYE WIDTHS - One embodiment provides a system including an integrated circuit configured to receive a signal and invert first read data bits based on the signal. The integrated circuit provides inverted first read data bits that increase data eye widths of second read data bits adjacent the inverted first read data bits. | 2010-01-21 |
20100014369 | METHOD FOR TESTING A STATIC RANDOM ACCESS MEMORY - A method testing an SRAM having a plurality of memory cells is disclosed. In a first step, a bit value is written into a cell under test (CUT). Subsequently, the first and second enabling transistors are disabled and the bit lines are discharged to a low potential. Next, the word line (WL) coupled to the memory cell under test is activated for a predetermined period. During a first part of this period, one of the bit lines (BLB) is kept at the low potential to force the associated pull up transistor in the CUT into a conductive state, after which this bit line (BLB) is charged to a high potential. Upon completion of this period, the bit value of the first cell is determined. The method facilitates the detection of weak or faulty SRAM cells without requiring the inclusion of dedicated hardware for this purpose. | 2010-01-21 |
20100014370 | PRECHARGE AND EVALUATION PHASE CIRCUITS FOR SENSE AMPLIFIERS - A precharge and evaluation circuit for a memory sense amplifier includes a first precharge-phase transistor having a source coupled to a power-supply potential, a gate coupled to a precharge control line, and a drain. A second precharge-phase transistor has a drain coupled to the drain of the first precharge-phase transistor, a source, and a gate coupled to the source through a feedback circuit. A first read-phase transistor has a source coupled to the power-supply potential, and a gate and drain coupled to a comparator. A second read-phase transistor has a drain coupled to the drain of the first read-phase transistor, a source coupled to the source of the second precharge-phase transistor, and a gate coupled to the source of the second read-phase transistor through a feedback circuit. A column decoder is coupled to the sources of the second precharge-phase and second read-phase transistors. | 2010-01-21 |
20100014371 | CIRCUIT AND METHOD FOR CONTROLLING A CLOCK SYNCHRONIZING CIRCUIT FOR LOW POWER REFRESH OPERATION - A method and apparatus is provided for idling a clock synchronizing circuit during at least a portion of time during execution of a refresh operation in a memory device. In a memory device receiving an external clock signal, a method and apparatus for executing a refresh operation is provided that includes initiating at least one refresh operation in the memory device, and ceasing generation of an internal clock signal timed with respect to the external clock signal for at least a portion of the time in which at least one refresh operation takes to complete. | 2010-01-21 |
20100014372 | Semiconductor Device, an Electronic Device and a Method for Operating the Same - A semiconductor memory device includes circuitry coupled to a plurality of memory cells with transistors. The circuitry is configured to change a potential of a body of the transistor to a degree depending on a charging state of the body. A gate electrode of the transistor is maintained in a non-addressed state. | 2010-01-21 |
20100014373 | REGULATING ELECTRICAL FUSE PROGRAMMING CURRENT - An apparatus for regulating eFUSE programming current includes a current control generator receiving an input reference current through a first current path of reference fuses, the input reference current proportional to a desired eFUSE programming current; a second current path including a reference programming FET and a second group of reference fuses; and a voltage comparator coupled to a gate terminal of the reference programming FET so as to adjust the gate voltage of the reference programming FET to equalize a first voltage across the first current path with a second voltage across the second current path. The gate voltage of the reference programming FET is an output of the current control generator, coupled to corresponding gates of one or more selected programming devices of an eFUSE array such that the selected programming devices source the desired eFUSE programming current to a selected eFUSE to be programmed. | 2010-01-21 |
20100014374 | FUSE ELEMENT READING CIRCUIT - A fuse element reading circuit including a first fuse element having a resistance which differs in accordance with whether the first fuse element is in a blown state or an unblown state, a reference voltage output circuit unit that outputs a reference voltage that differs in accordance with a normal mode or a test mode, and a voltage comparison circuit unit that compares a read voltage corresponding to the resistance of the first fuse element with the reference voltage output from the reference voltage output circuit unit. | 2010-01-21 |
20100014375 | SEMICONDUCTOR MEMORY DEVICE - A semiconductor memory device operates by using a fixed power and a variable power. The device includes a plurality of word lines which select rows of a memory cell array, a plurality of word line drivers each of which is connected to a corresponding one of the word lines and includes a first CMOS gate, a first cutoff switch which is connected between a fixed power terminal and a power terminal of the first CMOS gate and cuts off the fixed power in a sleep mode, a switching circuit which is connected to the plurality of word lines and connects the plurality of word lines to a ground terminal in the sleep mode, and a power control circuit which generates the variable power by using the fixed power and sets the variable power to 0 V in the sleep mode. | 2010-01-21 |
20100014376 | DECODING CIRCUIT WITHSTANDING HIGH VOLTAGE VIA LOW-VOLTAGE MOS TRANSISTOR AND THE IMPLEMENTING METHOD THEREOF - The present invention discloses a decoding circuit withstanding high voltage via a low-voltage MOS transistor, where negative high voltage that can be withstood can be as high as double what the transistor itself can withstand via two-stage CMOS inverters connected serially. When the negative high voltage is withstood, the source of a PMOS transistor in the CMOS inverter is switched to high resistance, and the substrate to the ground; the source of an NMOS transistor in the first CMOS inverter is connected with a half negative high voltage, and the source of an NMOS transistor in the second CMOS inverter with a negative high voltage; the first CMOS inverter, whose output is the half negative high voltage, is grounded at its input terminal, and output of the second CMOS inverter is the negative high voltage. The present invention further discloses a method of implementing the decoding circuit and a memory circuit using the decoding circuit. The present invention can effectively reduce area the device occupies; it is applicable to the non-volatile memory field, realizing high-voltage output during a high-voltage operation and fast decoding output during a normal-voltage operation. | 2010-01-21 |
20100014377 | METHOD AND APPARATUS FOR REDUCING OSCILLATION IN SYNCHRONOUS CIRCUITS - Control signal oscillation filtering circuits, delay-locked loops, clock synchronization methods and devices and system incorporating control signal oscillation filtering circuits is described. An oscillation filtering circuit includes a first oscillation filter configured to filter oscillations and a majority filter configured to average filter an output of a phase detector and generate in response thereto control signals to an adjustable delay line. | 2010-01-21 |
20100014378 | MIXING AND/OR TURBULENT MIXING DEVICE AND METHOD - Previous devices and methods offer solutions for mixing and/or turbulent mixing tasks. Said solutions are lacking in the implementation and/or optimization of important factors such as mixing and turbulent mixing intensity and/or natural liquid, vapor and gas-specific mixing and turbulent mixing and/or cost-efficient application possibilities and/or precise controllability of numerous substances and amounts. The aim of the invention is to better combine or optimize said factors. Through-flow plates ( | 2010-01-21 |
20100014379 | Agitator apparatus with collapsible impeller - An agitator apparatus for a mixing vessel having a rotating member and one or more impellers coupled to the rotating member, at least one of the impellers being collapsible so that the collapsible impeller is movable from a collapsed orientation to a deployed orientation relative to the rotating member. A limiting member may be used to prevent the collapsible impeller from opening beyond its fully deployed orientation. | 2010-01-21 |
20100014380 | Enclosure for a food processor - An enclosure for a food processor includes a body portion and a cover. The cover is hingedly attached to the body portion. The body portion of the enclosure includes a metallic foot that mates with the base member of the food processor. The base member may include at least one magnet that secures the foot, and therefore body portion, in position by the magnetic force acting upon the foot. A gasket is provided between the foot of the body portion and the base member to completely isolate the enclosure from the base member, and to reduce vibrations in the enclosure during operation of the food processor. The body portion of the enclosure may also include gasket strips to seal the enclosure when the cover is closed. | 2010-01-21 |
20100014381 | OPTIMIZING A SEISMIC SURVEY FOR SOURCE SEPARATION - A technique includes determining at least one parameter that characterizes a seismic survey in which multiple interfering seismic sources are fired and seismic sensors sense energy that is produced by the seismic sources. The determination of the parameter(s) includes optimizing the seismic survey for separation of the sensed energy according to the seismic sources. | 2010-01-21 |