| 33rd week of 2009 patent applcation highlights part 17 |
| Patent application number | Title | Published |
|---|
| 20090200917 | ANTHRACENE DERIVATIVE AND LIGHT EMITTING ELEMENT AND LIGHT EMITTING DEVICE USING THE SAME - It is an object of the present invention to provide a luminescent material that has resistance to repeated oxidation reactions. Further, it is an object of the present invention to provide a light-emitting element that is high in luminous efficiency. Further, it is an object of the present invention to provide a light-emitting element that has a long life. An aspect of the present invention is an anthracene derivative represented by a general formula (1). In the general formula (1), R | 2009-08-13 |
| 20090200918 | Light-Emitting Element, Light-Emitting Device, and Electronic Device - A light-emitting element including a light-emitting layer and a control layer between a first electrode and a second electrode is provided. The control layer includes a first organic compound and a second organic compound. The amount of the included first organic compound is larger than the amount of the included second organic compound. The second organic compound has the property of trapping carriers that have the same polarity as carriers transported by the first organic compound. The concentration and carrier-trapping property of the second organic compound included in the control layer satisfy certain conditions. | 2009-08-13 |
| 20090200919 | FLUORENE COMPOUND AND ORGANIC ELECTROLUMINESCENCE DEVICE - Provided is a novel fluorene compound, which is represented by the following general formula (1): | 2009-08-13 |
| 20090200920 | Light-Emitting Material - This invention pertains to light emitting materials comprising novel ortho-metalated transition metal complexes [ĈN] | 2009-08-13 |
| 20090200921 | ORGANIC LIGHT EMITTING DIODE DISPLAY AND METHOD FOR MANUFACTURING THE SAME - An organic light emitting diode (“OLED”) display includes first to third pixels each displaying a different color, wherein each pixel includes a first electrode, a second electrode facing the first electrode, and an emission layer positioned between the first and second electrodes, wherein first electrodes of first and second pixels are a single layer including a conductive oxide, respectively. A first electrode of the third pixel includes a lower first electrode including a conductive oxide, an intermediate first electrode formed on the lower first electrode and including a semitransparent conductor which forms microcavities with the second electrode, and an upper first electrode formed on the intermediate first electrode and including a conductive oxide. A method for manufacturing the OLED is also disclosed. | 2009-08-13 |
| 20090200922 | ORGANIC LIGHT EMITTING DIODE DISPLAY AND METHOD FOR MANUFACTURING THE SAME - A method for manufacturing an organic light emitting diode (“OLED”) display which includes first and second pixels each displaying a different color, the method includes: sequentially depositing a first transparent conductive layer and a translucent conductive layer; forming an intermediate first electrode on the second pixel by photolithography and etching of the translucent conductive layer; depositing a second transparent conductive layer on the intermediate first electrode and the first transparent conductive layer; forming a first electrode of the first pixel which includes upper and lower layers on the first pixel and a first electrode of the second pixel which includes a lower first electrode, an intermediate first electrode, and an upper first electrode by photolithography and etching of the second transparent conductive layer and the first transparent conductive layer; forming an emission layer on the first electrodes of the first and second pixels; and forming a second electrode on the emission layer. | 2009-08-13 |
| 20090200923 | ORGANIC ELECTROLUMINESCENT DEVICE AND ORGANIC ELECTROLUMINESCENT DISPLAY DEVICE - An organic EL device having excellent light-emitting properties, particularly a long lifetime, by controlling a balance between a hole and an electron, which is required for light-emitting in the organic EL device, includes a structure in which an anode, an organic layer including a light-emitting layer, and a cathode are stacked on a substrate in this order, wherein the light-emitting layer includes two or more different light-emitting materials, and a difference in photoluminescence peak wavelength between the two or more different light-emitting materials is about 50 nm or less. | 2009-08-13 |
| 20090200924 | Oganic EL display device and manufacturing method thereof - A sealing method of an organic EL display device which can effectively prevent the organic EL display device from being influenced by moisture and can suppress the manufacturing cost of the organic EL display device is provided. An organic EL element is covered with a resin sheet. The resin sheet is adhered to a sealing substrate and an element substrate on which organic EL elements are formed by lamination. At a peripheral portion of the organic EL display device, between the element substrate and the sealing substrate, an organic seal is filled to a side portion of the resin sheet using an under-filling method, and the organic seal is cured by radiating ultraviolet rays. Due to such constitution, it is possible to realize the highly reliable sealing of the organic EL display devices at a low cost. | 2009-08-13 |
| 20090200925 | ORGANIC ELECTROLUMINESCENT ELEMENT, LIGHTING DEVICE AND DISPLAY DEVICE - Provided is a means to obtain long lifetime of an organic EL element, and a long lifetime lighting device and a long lifetime display device utilizing the means are further provided. Disclosed is an organic electroluminescent element comprising an emission layer containing a host material and a dopant material, and a hole transport layer, provided between cathode and anode facing each other, wherein an intermediate layer is provided on an anode side of the emission layer so as to be brought into contact with the emission layer, and the hole transport layer is provided on the anode side of the intermediate layer, satisfying the following Formulae E1E4, where E1 represents an ionization potential of a hole transport material, E2 represents an ionization potential of an intermediate material, E3 represents an ionization potential of the host material, and E4 represents an ionization potential of the dopant material. | 2009-08-13 |
| 20090200926 | Novel organic electroluminescent compounds and organic electroluminescent device using the same - The present invention relates to novel organic electroluminescent compounds, and organic electroluminescent devices comprising the same. Specifically, the organic electroluminescent compounds according to the invention are represented by Chemical Formula (1): | 2009-08-13 |
| 20090200927 | ORGANIC LIGHT EMITTING DEVICE ARCHITECTURE - An organic light emitting device is provided. The device includes an anode and a cathode. A first emissive layer is disposed between the anode and the cathode. The first emissive layer includes a first non-emitting organic material, which is an organometallic material present in the first emissive layer in a concentration of at least 50 wt %. The first emissive layer also includes a first emitting organic material. A second emissive layer is disposed between the first emissive layer and the cathode, preferably, in direct contact with the first emissive layer. The second emissive material includes a second non-emitting organic material and a second emitting organic material. The first and second non-emitting materials, and the first and second emitting materials, are all different materials. A first non-emissive layer is disposed between the first emissive layer and the anode, and in direct contact with the first emissive layer. The first non-emissive layer comprises the first non-emissive organic material. | 2009-08-13 |
| 20090200928 | COMPOUND FOR FORMING ORGANIC FILM, AND ORGANIC LIGHT EMITTING DEVICE AND FLAT PANEL DISPLAY DEVICE INCLUDING THE SAME - A compound for use in an organic light emitting device is represented by | 2009-08-13 |
| 20090200929 | ANTHRACENE DERIVATIVE AND ORGANIC ELECTROLUMINESCENCE DEVICE EMPLOYING THE SAME - An anthracene derivative with a specified asymmetrical type structure. An organic electroluminescence device which comprises at least one organic thin film layer including a light emitting layer sandwiched between a pair of electrode consisting of an anode and a cathode, wherein at least one of the organic thin film layer comprises the anthracene derivative. An organic electroluminescence device which emits blue light of enhanced purity and has a long lifetime is provided. | 2009-08-13 |
| 20090200930 | ORGANIC EL DEVICE - An organic EL device includes an element region having a plurality of light-emitting elements, each including a first electrode disposed on a substrate body, a functional layer disposed above the first electrode, and a second electrode disposed above the functional layer; an enclosing member which surrounds the element region, covers the peripheral sides of the functional layers contained at least in the light-emitting elements located closest to the outer periphery of the substrate body among the plurality of light-emitting elements, and is disposed on the substrate body; a conductive member placed outside the enclosing member; and a connecting conductive member which is connected to the conductive member, extends from outside of the enclosing member over the enclosing member, and is connected to the second electrode. The connecting conductive member has a thickness larger than the thickness of the second electrode. | 2009-08-13 |
| 20090200931 | ORGANIC EL DEVICE AND METHOD OF MANUFACTURING THE SAME - An organic EL device includes a substrate, an organic planarizing layer disposed on the substrate, a first electrode disposed on the organic planarizing layer, a partition wall disposed on the first electrode and having an opening which defines the first electrode and exposes an upper portion of the first electrode, a functional layer disposed in the opening of the partition wall, and a second electrode disposed so as to cover the functional layer. The partition wall includes at least an inorganic partition wall portion, and the inorganic partition wall portion has an inorganic partition wall portion through-hole which passes through the inorganic partition wall portion and extends to the organic planarizing layer. | 2009-08-13 |
| 20090200932 | ORGANIC ELECTRO-LUMINESCENCE DISPLAY AND MANUFACTURING METHOD THEREOF - Disclosed is an organic EL display panel and a manufacturing the same, the EL display panel including an organic EL display panel including a bulkhead for insulating an emitting cell from an anode strip, the emitting cell having an ITO strip, a supplement electrode, an organic EL layer, and the anode strip, and at least one supplement bulkhead for coupling the bulkheads for preventing the sealant is injected along the bulkhead to the emitting cell thereby an inferior device is reduced and yield is increased. | 2009-08-13 |
| 20090200933 | TRIARYLAMINE COMPOUNDS, COMPOSITIONS AND USES THEREFOR - The present invention relates to triarylamine compounds, compositions comprising such compounds, and electronic devices and applications comprising at least one layer containing at least one of the new compounds. The compounds can be used as monomers to create homopolymers or copolymers. | 2009-08-13 |
| 20090200934 | DISPLAY APPARATUS - Provided is a display apparatus capable of reducing external light reflection to reduce an amount of glare of the outside, in which a translucent protection member is provided to cover an observation surface side of a display member including an organic EL light-emitting portion, in order to protect the display member. The display apparatus includes the display member with an organic EL light-emitting portion having a pair of electrodes and an organic compound layer provided between the pair of electrodes; and a casing for housing the display member, wherein a protection member is provided in the casing with a gap from the display member, and wherein a phase member and a polarizing member are formed on the protection member such that the polarizing member is located closer to a light extraction side than the phase member. | 2009-08-13 |
| 20090200935 | PYRENE COMPOUND AND ORGANIC LIGHT EMITTING DEVICE - An object of the present invention is to provide a novel pyrene compound. Provided is a pyrene compound represented by the following general formula (I): | 2009-08-13 |
| 20090200936 | Organic light emitting display device and method of manufacturing the same - An organic light emitting display device prevents damage to an interlayer including an emitting layer and reduces IR drop in face electrodes, and a method of manufacturing the same. The organic light emitting display device includes: a substrate; a pixel electrode disposed on the substrate; an interlayer comprising an emitting layer disposed on the pixel electrode; a face electrode on the interlayer; and a sealing member disposed on the face electrodes, wherein the sealing member and the face electrode are bent along a curve of an upper portion of a layer below the face electrode so as to prevent a gap between the sealing member and the face electrode, and between the face electrode and the layer below the face electrode. | 2009-08-13 |
| 20090200937 | DISPLAY DEVICE AND METHOD OF MANUFACTURING DISPLAY DEVICE - A display device includes lead wiring drawn out from a display region to a peripheral region of the display region; a first insulating film covering the lead wiring disposed on a substrate; a plurality of pieces of annular wiring disposed in a state of enclosing the display region in a multiple manner between the display region and the peripheral region on the first insulating film; a second insulating film covering the annular wiring disposed above the substrate, and having a groove pattern having each of the pieces of annular wiring as a bottom surface; and a light emitting element disposed on the second insulating film within the display region. | 2009-08-13 |
| 20090200938 | FLEXIBLE ORGANIC LIGHT EMITTING DEVICES - A flexible organic light emitting device and a method of fabricating the same. The device comprises a flexible substrate comprising a plastic material; an organic emissive layer formed on the substrate; and a barrier layer for inhibiting oxygen and moisture permeation into the emissive layer. | 2009-08-13 |
| 20090200939 | Method of Light Dispersion and Preferential Scattering of Certain Wavelengths of Light-Emitting Diodes and Bulbs Constructed Therefrom - A method for preferential scattering of certain wavelengths of light and/or dispersing light in an LED or LED bulb. The method includes emitting light from at least one LED die, and scattering the light from the at least one LED die by dispersing a plurality of particles having a size a fraction of at least one dominant wavelength of the light from the at least one LED die in the LED outer shell or in an LED bulb or in an at least one shell of an LED bulb. Alternatively, the method includes emitting light from the at least one LED die, and dispersing the light from the at least one LED die by distributing a plurality of particles having a size one to a few times larger than a dominant wavelength of the light from the LED in an outer shell, or body of the LED bulb. | 2009-08-13 |
| 20090200940 | Photomultiplier Tube and Radiation Detecting Device - A vacuum vessel ( | 2009-08-13 |
| 20090200941 | Control of mercury leaching - A safely disposable, mercury-containing lamp includes a component comprising an effective amount of materials to allow the lamp to safely be disposed of, the materials forming a tri-partite component comprising a divalent manganese compound, a copper containing compound and a compound selected from the group consisting of metallic silver and silver containing compounds. | 2009-08-13 |
| 20090200942 | Plasma display panel and plasma display apparatus - A plasma display panel capable of reducing further a surface discharge voltage without additionally providing a process leading to cost increase, and contributing to the reduction in address discharge delay. The plasma display panel comprises an electrode group of an X electrode and a Y electrode consisting of adjacent transparent electrodes disposed in parallel to a front plate and forming gaps discharging at a specified gap and bus electrodes thicker than the transparent electrodes, lower in electric resistance, and electrically connected to the transparent electrodes, a dielectric layer and a protective layer covering the electrode group of the X electrode and the Y electrode, and an electrode group of address electrodes disposed on a rear plate disposed facing the front plate and in a direction perpendicular to the electrode group of the X electrode and the Y electrode, wherein the bus electrodes ( | 2009-08-13 |
| 20090200943 | External-electrode discharge lamp, external-electrode discharge lamp manufacturing method, and backlight unit - The present invention aims to provide an external-electrode discharge lamp able to suppress luminance variation, a manufacturing method for the lamp, and a backlight unit. A lamp ( | 2009-08-13 |
| 20090200944 | MERCURY-FREE ARC TUBE FOR DISCHARGE LAMP UNIT - There is provided a mercury-free arc tube for a discharge lamp unit. The mercury-free arc tube includes a plurality of electrodes and a sealed chamber including a metal halide and a starting rare gas enclosed in the sealed chamber. A clearness index value P | 2009-08-13 |
| 20090200945 | PHOSPHOR AND LIGHT-EMITTING DEVICE - The present invention provides a phosphor having high luminance, a property of low luminance degradation during driving of a light-emitting device, and chromaticity y comparable to that of BAM:Eu. The present invention is a phosphor represented by the general formula aAO.bEuO.DO.cSiO | 2009-08-13 |
| 20090200946 | Method For Power Supplying Of A Plurality Of Cascade Connected Light Sources - According to a method for supplying a plurality of cascade connected light sources including, a control signal (k) is sent to a supply apparatus (AA). The control signal corresponds to a desired value of light radiation intensity to be emitted by at least a part of said the light sources, An electric current (z) with variable frequency is supplied to the plurality of light sources (SL | 2009-08-13 |
| 20090200947 | VEHICLE LAMP CONTROL SYSTEM AND CONTROL METHOD - A vehicle lamp control system includes a target irradiating direction setting unit which sets, in accordance with a running condition of a vehicle, a target irradiating direction of the lamp. An actuator controls an irradiating direction of the lamp to be directed in the target irradiating direction based on a reference direction. The actuator includes a reference setting section which executes a reference setting operation to set the irradiating direction of the lamp to be directed in the reference direction. The target irradiating direction setting unit includes a condition determining section which determines whether the reference setting section has executed the reference setting operation, and a reference setting command section which, when the condition determining section determines that the reference setting section has not yet executed the reference setting operation, instructs the reference setting section to execute the reference setting operation. | 2009-08-13 |
| 20090200948 | LARGE AREA, ATMOSPHERIC PRESSURE PLASMA FOR DOWNSTREAM PROCESSING - An arcless, atmospheric-pressure plasma generating apparatus capable of producing a large-area, temperature-controlled, stable discharge at power densities between about 0.1 W/cm | 2009-08-13 |
| 20090200949 | PLASMA PROCESSING SYSTEM WITH LOCALLY-EFFICIENT INDUCTIVE PLASMA COUPLING - An inductively coupled plasma source is provided with a peripheral ionization source for producing a high-density plasma in a vacuum chamber for semiconductor wafer coating or etching. The source includes a segmented configuration having high and low radiation segments and produces a generally ring-shaped array of energy concentrations in the plasma around the periphery of the chamber. Energy is coupled from a segmented low inductance antenna through a dielectric window or array of windows and through a segmented shield or baffle. The antenna has concentrated conductor segments through which current flows in one or more small cross-section conductors to produce high magnetic fields that couple through the high-transparency shield segments into the chamber, while alternating distributed conductor segments, formed of large cross-section conductor portions or diverging small conductor sections, permit magnetic fields to pass through or between the conductors and deliver only weak fields, which are aligned with opaque shield sections and couple insignificant energy to the plasma. The source provides spatial control of plasma energy distribution, which aids in control of the uniformity of plasma processing across the surface of the semiconductor being processed. | 2009-08-13 |
| 20090200950 | TUBULAR LED LIGHT SOURCE - A tubular LED light source, based on a tube manufactured in a heat conducting material ( | 2009-08-13 |
| 20090200951 | Methods and Apparatus for Dimming Light Sources - Methods and apparatus for dimming light sources are described herein. In the described examples, a bias circuit selectively biases a switch during a half-cycle of a line current after a delay. In some examples, the delay of the bias circuit is adjustable by a user to adjust the amount of light a light source emits. A charge circuit substantially biases the switch for a period of time in the event the bias circuit experiences an operating condition that may cause the switch to become open during the half-cycle of the line current. As a result of the charge circuit, the light source coupled to the line current does not experience substantial flickering. | 2009-08-13 |
| 20090200952 | METHODS AND APPARATUS FOR DIMMING LIGHT SOURCES - Methods and apparatus for dimming light sources are described herein. In certain embodiments, a bias circuit selectively biases a solid state switch during a portion of half-cycle of a line voltage after a settable delay. In some embodiments, the delay of the bias circuit is adjustable by a user, which varies the amount of energy provided to a light source, and the light generated there from. A charge circuit biases the switch for a period of time in the event the bias circuit experiences an operating condition (a ringing current) that may cause the switch to become open during the half-cycle of the line current. As a result of the charge circuit, the light source coupled to the line current does not experience substantial flickering and is compatible with low power compact fluorescent lights. The dimmer can be combined with other components to form a light harvesting system. | 2009-08-13 |
| 20090200953 | METHODS AND APPARATUS FOR A HIGH POWER FACTOR BALLAST HAVING HIGH EFFICIENCY DURING NORMAL OPERATION AND DURING DIMMING - Methods and apparatus for powering a ballast that is dimmable and has a high power factor. The ballast circuit includes a rectifier, bypass capacitor, a driver circuit, and a resonant circuit that are configured to actuate a light source, such as a fluorescent lamp. Specifically, the bypass capacitor stores energy to produce a high frequency current which is introduced into the resonant circuit to continually recycle energy in the resonant circuit, resulting in a circuit with a high power factor. Further, because the current flowing into the resonant circuit is substantially sinusoidal, the circuit generally has an ideal crest factor, thereby increasing the lifespan of the light source. | 2009-08-13 |
| 20090200954 | COLOR CONTROL OF A DISCHARGE LAMP DURING DIMMING - A ballast circuit is suitable for driving a high intensity discharge lamp in at least two power modes including a nominal power mode for driving the high intensity discharge lamp at a nominal power and a reduced power dimming mode for driving the lamp at less than the nominal power. The lamp ballast circuit generates a first alternating current waveform during the nominal power mode and generates a background alternating current waveform in the reduced power mode which is perturbed at intervals by a high intensity pulse which helps to reduce the change in correlated color temperature which would otherwise occur in the dimming mode. | 2009-08-13 |
| 20090200955 | COMBINED BALLAST FOR FLUORESCENT LAMP AND LIGHT EMITTING DIODE AND METHOD OF DRIVING SAME - A circuit or combined ballast for driving a fluorescent lamp and at least one light emitting diode (LED) includes an integrated driver circuit having an alternating current (AC) circuit that includes at least one ballast coil for driving the fluorescent lamp and a direct current circuit for driving the LED having a secondary winding inductively coupled with the fluorescent lamp ballast coil for driving the LED. A method of driving a lamp assembly includes at least one fluorescent lamp and at least one light emitting diode (LED) and a combined driver circuit for supplying both the fluorescent lamp and the LED. The combined driver circuit supplies high voltage AC supply to a first portion of the driver circuit to the fluorescent lamp, supplies low voltage DC supply in a second portion of the driver circuit to the LED, and provides a secondary winding in the second portion of the driver circuit that is inductively coupled with a ballast coil in the first portion of the driver circuit that drives the fluorescent lamp. | 2009-08-13 |
| 20090200956 | POWER SUPPLY CIRCUIT AND PORTABLE DEVICE - A power supply circuit has a charge pump (CHP) step-up circuit including multiple CHP units for stepping up a given power supply voltage to a step-up voltage higher than the power supply voltage, and, based on an output voltage setting signal, converts the step-up voltage to a required output voltage. A comparator compares the detection voltage associated with the output voltage with a reference voltage to generate a comparison signal. In supplying a required output voltage, the number of operable CHP units can be changed to control the step-up voltage based on the comparison signal. | 2009-08-13 |
| 20090200957 | ILLUMINATION APPARATUS - The present invention relates to an illumination apparatus comprising an LED light source which includes an LED chip and a sealing member containing a fluorescent material therein and sealing the LED chip and is configured to illuminate an object, and a light-transmitting member provided in front of the LED light source, the LED chip being configured to make standby emission of light by application of a standby current during standby illumination of the object, the LED chip being controlled so that a color of the sealing member containing the fluorescent material is less visible from outside, and a current value of the standby current being controlled according to brightness of external light detected by an external light sensor to reduce power consumption. | 2009-08-13 |
| 20090200958 | CONTROLLING REFLECTED LIGHT USING ELECTRONIC PAPER - A system and a method for using ePaper as a light control media in lighting fixtures or other light enhanced applications to modify, dim or color-shift the light used for lighting the space. One system includes a light source, an ePaper reflector with controllable reflectivity for controlling the light reflected from the reflector and/or an ePaper baffle with controllable translucency for controlling the light through the baffle. The light incident on the ePaper media may include light from other sources such as natural light. One method compares desired lighting in a space to characteristics of the light source. Characteristics of the ePaper media are then adjusted to provide the desired amount of light to the objects under illumination. Reflectivity from walls and furniture may be controlled by applying ePaper to their surfaces. The light source and the ePaper media may be controlled simultaneously to control the lighting. | 2009-08-13 |
| 20090200959 | Light-Emitting Diode Driving Circuit - A light-emitting diode driving circuit includes a control circuit, a transistor switch and a compensating circuit. The control circuit receives an oscillating signal to generate a pulse drive signal. The transistor switch is activated by the pulse drive signal such that an inductor is charged by an input voltage, in which the inductor is arranged to deliver an inducting current to at least one light-emitting diode when the transistor switch is deactivated. The compensating circuit is coupled between the control circuit and a capacitor provided for reducing ripples of an output voltage corresponding to the inducting current. The compensating circuit performs a charging and discharging operation along with the capacitor when controlled by a dimming control signal provided to control brightness of the light-emitting diode. | 2009-08-13 |
| 20090200960 | Methods and Apparatus for Self-Starting Dimmable Ballasts With A High Power Factor - Methods and apparatus for self-starting dimmable ballast circuits are disclosed. In the described examples, a dimmable ballast circuit includes a rectifier, an energy storage device, a driver circuit, and a resonant circuit that are configured to actuate the light source such as a fluorescent lamp. The power source is coupled to the light source via a single resonant circuit that includes power factor correction therein. Further, the resonant circuit is selectively configured to start the light source without requiring a separate starter circuit. Further, energy storage device is a capacitor that stores high frequency energy and continually recycles energy in the circuit, resulting in a circuit with a large power factor. Because the current flowing in the circuit is substantially sinusoidal, the described examples generally have an ideal power factor. | 2009-08-13 |
| 20090200961 | ELECTRICAL DEVICE, IN PARTICULAR AN ELECTRIC POWER TOOL OR AN ELECTRICAL APPLIANCE - An electric appliance having a main electric load, an auxiliary electric load, and a voltage supply for operating both electric loads. An auxiliary voltage is generated by the voltage supply and supplied to the auxiliary electric load at a constant level so that the power of the auxiliary electric load remains substantially the same irrespective of voltage fluctuations in the voltage supply. | 2009-08-13 |
| 20090200962 | POWER SUPPLY APPARATUS - In a power supply apparatus for performing constant current driving of a light emitting diode which is a load circuit, a constant current circuit is disposed on a path for driving the load circuit. A charge pump circuit which is a voltage generating circuit outputs a driving voltage to the light emitting diode. A monitoring circuit monitors the voltage across the two ends of the constant current circuit. This monitoring circuit includes a voltage source which generates a threshold voltage that follows the fluctuation of the voltage at which the constant current circuit can operate stably, compares the voltage across the two ends of the constant current circuit and the threshold voltage generated by the voltage source, and outputs a comparison result Vs to a control unit. The control unit controls the charge pump circuit on the basis of the output of the monitoring circuit. | 2009-08-13 |
| 20090200963 | Lighting Controller for a Vehicle Lamp - A lighting controller has current driving means which include a shunt resistor connected in series to each of multiple LEDs to detect an LED driving current, a PMOS transistor connected to the positive electrode side of each of the LEDs, and an amplifier for sending an output according to the result of comparison between the respectively detected driving current values and a reference value, and which subject each of the PMOS transistors to ON/OFF operation. Control means includes a Zener diode ZD | 2009-08-13 |
| 20090200964 | Methods And Apparatus For Dimmable Ballasts With A High Power Factor - Methods and apparatus for powering dimmable ballast circuits are disclosed. In the described examples, a dimmable ballast circuit includes a rectifier, an energy storage device, a driver circuit, and a resonant circuit that are configured to actuate the light source such as a fluorescent lamp. Specifically, energy storage device is a capacitor that stores a high frequency energy and continually recycles energy in the circuit, resulting in a circuit with a large power factor. Further, because the current flowing into the resonant circuit is substantially sinusoidal, the circuit generally has an ideal crest factor, thereby increasing the lifespan of the light source. | 2009-08-13 |
| 20090200965 | ENERGY SAVINGS CIRCUITRY FOR A LIGHTING BALLAST - Methods and apparatus for saving energy in a ballast comprising a tank circuit for a gas-discharge lamp are disclosed. A feedback circuit and a filament shutoff circuit cooperate to detect energy in the tank ballast and save energy during operation. The feedback circuit detects current flowing in the tank circuit of a ballast and can signal to shut off a voltage regulator in the ballast, and/or signal to a filament shut off circuit to reduce energy consumed by the filaments in the bulb after ionization has occurred. A time delay ensures that the signal voltage generated does not immediately deactivate the voltage regulator and/or the filament shutoff circuit when powering the ballast, but only does so after ionization has occurred. In this manner, energy consumption is reduced after ionization of the bulbs has occurred. | 2009-08-13 |
| 20090200966 | ILLUMINATION UNIT WITH CURRENT INTERRUPTER COMPONENT - An illumination unit comprises at least one electrical coupling element for receiving electrical current from a current source and coupling the illumination unit into an electrical system, a light-carrying member, and an electrical circuit adapted for electrical coupling to the current source via the electrical coupling element. The electrical circuit comprises at least one light-emitting diode carried by the light-carrying member, and a current interrupter component interposed in the electrical circuit. The current interrupter component permits current flow within the electrical circuit when a parameter of the electrical circuit remains below a predetermined value, and opens the electrical circuit in response to the parameter of the electrical circuit exceeding the predetermined value. The current interrupter component may be carried by the light-carrying member, or may be contained within an exterior envelope at least partially surrounding the electrical circuit. | 2009-08-13 |
| 20090200967 | CONTROL DEVICE FOR CONTROLLING THE HUE OF LIGHT EMITTED FROM A LIGHT SOURCE - The invention relates to a control device ( | 2009-08-13 |
| 20090200968 | Drive Apparatus and Method for Its Operation - A drive apparatus with at least one synchronous motor, a converter and a mechanical energy buffer able to be fed from an energy supply network, which, for converting mechanical energy into electrical current, includes a first asynchronous machine, and a method of operation for such a drive apparatus are specified, with which or in which the energy buffer, especially its first asynchronous machine is directly electrically connected via a switchover device to the at least one synchronous motor, so that the converter included in the drive apparatus is bypassed for such a switch position of the switchover device and the converter accordingly does not have to be designed for currents which flow in such a switch position of the switchover device. | 2009-08-13 |
| 20090200969 | REGENERATIVE BRAKING APPARATUS - In a regenerative braking apparatus that is connected to a power supply apparatus that supplies electric power to a load, and consumes regenerative power regenerated from a load side together with other regenerative braking apparatuses that are connected to the power supply apparatus, an operation-level changing unit calculates, as occasion demands, according to energization time of a consuming unit, a lower limit of an operation level for judging whether an energizing unit should be actuated and changing and outputting the calculated lower limit of the operation level, a comparing unit compares the lower limit of the operation level output from the operation-level changing unit and a monitor output of a monitoring unit, and the energizing unit operates when the monitor output exceeds the lower limit of the operation level by a driving unit. | 2009-08-13 |
| 20090200970 | CHOPPER CONTROL SYSTEM FOR ROTARY MACHINES - A control apparatus is to drive a power converter. The power converter has a power supply unit, a switching member electrically connected to the power supply unit, and a power accumulator electrically connected to the switching member. The control apparatus controls a rotary machine with a terminal electrically connected to the power accumulator. A calculator calculates, based on a command voltage to the rotary machine, a command value for an output current to the power accumulator and the rotary machine. A chopper control unit carries out chopper control of the power converter by switching on and off the switching member based on the command value for the output current to thereby convert a voltage across the power accumulator into a desired voltage relation to a voltage of the power supply unit. | 2009-08-13 |
| 20090200971 | DRIVE SYSTEM OF SYNCHRONOUS MOTOR - A drive system of a permanent magnet motor is constituted of a mode switching trigger generator which monitors a state of a permanent magnet motor and issues a mode switching trigger, a conduction mode determining unit which receives the mode switching trigger and switches the mode of the permanent magnet motor, and a PWM generator which outputs a PWM signal to an inverter in accordance with the output of the conduction mode determining unit. The mode switching trigger is generated on condition that the speed electromotive force of the permanent magnet motor exceeds a constant or variable threshold value. | 2009-08-13 |
| 20090200972 | BRUSHLESS DC MOTOR AND IMAGE PICKUP APPARATUS - A brushless DC motor configured to drive a driven member includes a rotor having a magnet, a stator having a coil configured to provide a rotational force to the magnet, a position detector configured to output a first signal that is periodic, in accordance with a rotating position of the rotor, a signal generator configured to generate a second signal by adding a lead angle to a phase of the first signal output from the position detector, an excitation switch configured to select an excitation to the coil in accordance with the second signal, and a phase change part configured to change the lead angle in accordance with at least one of a position and a moving direction of the driven member. | 2009-08-13 |
| 20090200973 | Motor drive circuit - A motor-drive circuit comprising: a current-passage-control circuit to perform ON/OFF control of a drive transistor connected to a motor coil to pass current through the motor coil; an overcurrent-state-detection circuit to detect whether current passing through the drive transistor is in an overcurrent state where the current exceeds a predetermined threshold value; a charging and discharging circuit to start charging a capacitor in response to detecting the overcurrent state by the overcurrent-state-detection circuit and subsequently discharge the capacitor in response to not detecting the overcurrent state; and an overcurrent-protection-control circuit to stop the ON/OFF control to turn off the drive transistor, for an elapsed charging period for a charging voltage of the capacitor at a predetermined voltage to exceed a threshold voltage, and determine whether to perform such an overcurrent-protection-control as to turn off the drive transistor by detection of the overcurrent state, after the charging period has elapsed. | 2009-08-13 |
| 20090200974 | SENSORLESS CONTROL APPARATUS OF SYNCHRONOUS MACHINE - A sensorless control apparatus of a rotary machine includes an inverter | 2009-08-13 |
| 20090200975 | MOTOR DRIVE APPARATUS AND METHOD FOR ELECTRIC POWER STEERING SYSTEM - In a motor drive apparatus for an EPS motor, which provides steering assist torque in an electric power steering system, a three-phase inverter applies three phase-voltages to the EPS motor, and a controller controls the three-phase inverter. The controller drives the EPS motor by implementing a two-phase modulation method and a three-phase modulation method, when at least one of the assist torque, a steering angle acceleration and a function value of a predetermined function is greater and less than a predetermined threshold value indicative of a rapid steering operation, respectively. | 2009-08-13 |
| 20090200976 | PARKING BRAKE CONTROL DEVICE - In a parking brake control device, the minimum value of a motor current is set as an idle current after a motor begins to be driven, specifically, in a period during which the idle current is being sampled. As a result, the idle current is set to a value which reflects the temperature of an electric parking brake and the dispersion of individual units of the motor. Accordingly, it is possible to provide a parking brake control device, which can set a target current value capable of coping with the dispersion of the individual units of the motor by calculating the target current value by adding a target effective current necessary to generate an actuation force to the idle current set as described above. | 2009-08-13 |
| 20090200977 | WALL SAVER - A system and associated method for preventing damage to an adjacent wall surface of an electrically operated bed that utilizes a normally closed/momentarily open switch assembly attached to the bed frame at a location such that when the bed fame is maneuvered toward an adjacent wall surface, a head of the switch contacts the wall surface before any other part of the bed frame or a proximity sensor switch is activated when the switch head is in the prescribed range from the wall surface. The push button switch is in electrical communication with the bed frame operational circuitry. When the switch activated from its depression from thw all surface contact or its proximity to the wall surface, the electrical circuitry in the system circuitry is interrupted thereby stopping the operation of the bed frame from being maneuvered and preventing damage to the wall surface. | 2009-08-13 |
| 20090200978 | ROBOT CONTROLLER HAVING COMPONENT PROTECTING FUNCTION AND ROBOT CONTROL METHOD - A robot controller and a robot control method, by which each element constituting a robot is protected. An output of a rotary encoder attached to a servomotor is read, and the motor speed is obtained by calculating the difference between a current speed and another speed in a previous speed loop. Then, a processor of the servo controller of each link of a robot arm executes a normal speed loop control in order to calculate a torque command of the motor. Next, a load torque is estimated by using the obtained torque command and the motor speed, and the estimated load torque in each speed loop is compared with a predetermined threshold. If the load torque is larger than the threshold in at least one of the axes, the robot controller judges that an abnormality has occurred in the robot, generates an alarm or warning, and then controls the robot so as to protect the element. | 2009-08-13 |
| 20090200979 | METHOD FOR COMPENSATING FOR ANGULAR TRANSMISSION ERROR OF AN ACTUATOR - The non-linear elastic deformation component included in the angular transmission error of an actuator provided with a wave gear drive is a component of the angular transmission error occurring due to elastic deformation of a flexible externally-toothed gear when the direction of rotation of the motor shaft changes. This component can be analyzed by driving the motor in a sine-wave shape. A model of the non-linear elastic deformation component (non-linear model) obtained from the analysis results is used to store data or a function for compensating for this component in a motor-control device. Compensation for the non-linear elastic deformation component (θ | 2009-08-13 |
| 20090200980 | SYSTEM AND METHOD FOR CONTROLLING FOUR-QUADRANT OPERATION OF A SWITCHED RELUCTANCE MOTOR DRIVE THROUGH A SINGLE CONTROLLABLE SWITCH - A single controllable switch ( | 2009-08-13 |
| 20090200981 | SYSTEM AND METHOD FOR PROVIDING CONSTANT LOADING IN AC POWER APPLICATIONS - A system and method for providing constant loading in AC power applications wherein at least one turn-on point ( | 2009-08-13 |
| 20090200982 | USB port with smart power management - A method involves detecting an inrush current that flows out of a USB port of a first electronic device when a central processing unit (CPU) of the first electronic device is not being powered. The inrush current is detected by a novel inrush current detect circuit when a second electronic device is connected to the USB port. In one example, the first electronic device is a laptop computer having a battery and a USB DC-to-DC converter. The inrush current detect circuit enables the USB DC-to-DC converter such that the USB DC-to-DC converter receives power from the battery and supplies a regulated voltage to the second electronic device through the USB port while the CPU remains unpowered (not drawing power from the battery). | 2009-08-13 |
| 20090200983 | Self-powering on-board power generation - An electric power generator for use in recharging a storage cell is provided. The electric power generator comprises an energy captor coupled with a shipping container, wherein the energy captor is configured to capture energy from a motion of the shipping container. An energy converter is coupled with the energy captor, wherein the energy converter is configured to generate electric power from the captured energy. The electric power generator further comprises a power projector configured to send the electric power to a storage cell. | 2009-08-13 |
| 20090200984 | HEARING AID BATTERY CHARGER - A battery charger ( | 2009-08-13 |
| 20090200985 | Systems and Methods for Receiving and Managing Power in Wireless Devices - Exemplary systems and methods are provided for collecting/harvesting direct current (DC) power received from a power source(s). The system comprises a controlled impedance power controller comprises a power converter configured to present a positive equivalent resistive load to the at least one power source over a range of input power levels. Exemplary systems and methods are provided for collecting radio frequency (RF) power. An exemplary system comprises at least two rectenna elements, a power controller, and a DC combining circuit. The DC combining circuit is associated with the at least two rectenna elements and the DC combining circuit is configured to dynamically combine the at least two rectenna elements in one of a plurality of series/parallel configurations. The power controller is configured to control the DC combining circuit to achieve a desired overall power output from the at least two rectenna elements. | 2009-08-13 |
| 20090200986 | Protective circuit for energy-storage device - A method and apparatus for protecting an energy-storage device (ESD), such as a rechargeable battery, is provided. A protective circuit protects an ESD from adverse charging and loading conditions including overcharging, overdischarging, charging at an excessive rate and discharging at an excessive rate. The protective circuit selectively disables charging and discharging based on the present terminal conditions. A plurality of ESDs and protective circuits can be interconnected to protect a multi-cell ESD device. Embodiments of the protective circuit are adapted to protect a lithium cell operating around 2 volts. The protective circuit may also protect the ESD from adverse temperature conditions. | 2009-08-13 |
| 20090200987 | CHARGING APPARATUS AND CHARGING/DISCHARGING APPARATUS - Charging apparatus | 2009-08-13 |
| 20090200988 | Power Aggregation System for Distributed Electric Resources - Systems and methods are described for a power aggregation system. In one implementation, a method includes a establishing a communication connection with each of multiple electric resources connected to a power grid, receiving an energy generation signal from a power grid operator, and controlling a number of the electric resources being charged by the power grid as a function of the energy generation signal. | 2009-08-13 |
| 20090200989 | Method and Apparatus for Handling a Charging State in a Mobile Electronic Device - The present invention is directed at a method of handling a device charging state for a Universal Serial Bus (USB) connected mobile electronic device comprising the steps of sensing a presence of a bus voltage; sensing an enumeration acknowledgement signal between the device and a USB host; and transmitting a signal to instruct the device to enter the device charging state. | 2009-08-13 |
| 20090200990 | Interchangeable Accumulator Unit - Provision is made for an interchangeable accumulator unit comprising a housing ( | 2009-08-13 |
| 20090200991 | POWER SUPPLY SYSTEM - A limit value of an output current of power converter is defined as a first current value when a voltage at both ends of capacitor is higher than a voltage at both ends of battery, and a limit value of the output current thereof is defined as a second current value when the voltages are substantially equal to each other, the first current value is set to be smaller than the second current value. Thus, when a voltage at both ends of capacitor and a voltage at both ends of battery are substantially equal, heat is hardly generated. The limit value of the output current is set to a maximum current consumed by load. When a voltage at both ends of capacitor is higher than a voltage at both ends of battery, the limit value of the output current is set to be smaller than the second current value, and thereby heat generation is suppressed. Thus, the size of the heat dissipating components can be reduced, and a power supply system whose entire size can be minimized can be provided. | 2009-08-13 |
| 20090200992 | U-POWER Portable Entertainment Center and Power Supply - A self contained unit to provide portable electrical power consisting of a generator, storage battery, power inverter, and AC/DC power outlets. The case provides mounting for various electrical and electronic entertainment equipment including but not limited to a LCD video monitor, CD/VCR player, MP3 docking station, and audio speakers. Power is generated by pushing, pulling, or turning the generator by provided pedals. | 2009-08-13 |
| 20090200993 | Power control system of vehicle - A power control system of a vehicle has a battery, an alternator, and a battery condition detecting device. The device has detecting units detecting the battery current supplied to or discharged from the battery, the battery voltage and the battery temperature, a communicating unit receiving conditions of the alternator such as power generation ratio, generated voltage, alternator speed and failure information from the alternator through a communication line, and a malfunction judging unit judging, from the battery current, the battery voltage, the battery temperature and the conditions of the alternator, whether or not a malfunction has occurred in one of the alternator, the battery and the detecting units. In response to the judgment that a malfunction has occurred in one of the alternator, the battery and the detecting units, a notifying unit notifies the occurrence of the malfunction. | 2009-08-13 |
| 20090200994 | METHOD AND APPARATUS FOR DISTRIBUTED VAR COMPENSATION - A method and apparatus for generating on-demand power. The method comprises receiving a peak reactive current request, generating a control signal based on the peak reactive current request, and utilizing the control signal to drive a DC/AC inverter to generate reactive power commensurate with the peak reactive current request. | 2009-08-13 |
| 20090200995 | COMBINATION CONTINUOUS AND DISCONTINUOUS CONTROL OF A POWER REGULATOR - One embodiment of the invention includes a power regulator system. The system includes a switching system comprising at least one switch and an inductor, the switching system being configured to provide an output voltage based on a current through the inductor. The system also includes a switch driver configured to provide a switching signal to the switching system to control the operation of the at least one switch to provide the current through the at least one inductor. A mode controller is configured to switch the switch driver between a continuous mode of operation and a discontinuous mode of operation based on both a feedback voltage associated with the output voltage and at least one other predetermined operating condition associated with each of the continuous and discontinuous modes of operation. | 2009-08-13 |
| 20090200996 | Controlling power supply in radio transmitter - A switched mode power supply unit realized by an integrated circuit comprising a control circuit controlling the operation of the switched mode power supply unit, wherein the control circuit is configured to provide a plurality of different circuit configurations for different operating environments. The circuit configuration for the control circuit is defined by a control signal received by the control circuit. | 2009-08-13 |
| 20090200997 | SWITCHING CONTROLLER HAVING PROGRAMMABLE FEEDBACK CIRCUIT FOR POWER CONVERTERS - A switching controller for a boost power converter includes a switching-control circuit and a programmable feedback circuit. The programmable feedback circuit is coupled to an output of the boost power converter via a voltage divider. The programmable feedback circuit includes a current source coupled to a switch. On a light-load condition, a power-saving signal turns on the switch. The switch will conduct a programming current supplied by the current source toward the voltage divider. Furthermore, the voltage divider is externally adjustable for programming a determined level of an output voltage of the boost power converter on the light-load condition. Additionally the present invention increases system design flexibility to meet practical power-saving requirements without adding circuitries and increasing cost. | 2009-08-13 |
| 20090200998 | Buck switching regulator with improved mode transition and control method thereof - The present invention discloses a buck switching regulator with improved mode transition, and a method for controlling a buck switching regulator. The method comprises: providing a switching regulator including: an output power stage for converting an input voltage to an output voltage, the output power stage being controlled by a first PWM signal during a fixed-frequency PWM mode (FPWM mode), and being controlled by a first voltage signal during a pulse skipping mode (PSK mode), wherein the first PWM signal is generated according to the first voltage signal; and in a transition from the PSK mode to the FPWM mode, proving a second voltage signal as a starting point of the first voltage signal, the second voltage signal being substantially close to a target of the first voltage signal in the FPWM mode. | 2009-08-13 |
| 20090200999 | VOLTAGE REGULATOR WITH COMPENSATION AND THE METHOD THEREOF - A voltage regulator including a transconductance amplifying unit, a transresistance amplifying unit, a feedback unit, a differential amplifying unit, and a compensation capacitor. The transconductance amplifying unit includes two inputs for receiving a feedback voltage and a reference voltage, and includes an output for outputting a current. The transresistance amplifying unit includes an input for receiving the current, and transforming the current into an output voltage. The feedback unit generates the feedback voltage with reference to the output voltage. The differential amplifying unit includes two inputs for receiving the feedback voltage and the reference voltage, and includes an output for outputting a differential voltage. The compensation capacitor is coupled between the output of the differential amplifying unit and the input of the transresistance amplifying unit. | 2009-08-13 |
| 20090201000 | Synchronous Rectification Switching Regulator, Control Circuit Thereof, and Method of Controlling the Operation Thereof - A synchronous-rectification-type switching regulator is disclosed that includes a first switching element; an inductor charged with a voltage input to an input terminal of the switching regulator by the switching of the first switching element; a second switching element for synchronous rectification performing switching so as to discharge the inductor; a control circuit part controlling the switching of the first switching element so that an output voltage from an output terminal of the switching regulator is a predetermined constant voltage, and to cause the second switching element to perform the switching inversely to the first switching element; and a reverse current prevention circuit part interrupting a current that flows into the second switching element by cutting off the connection of the second switching element so as to prevent generation of a reverse current that flows in the direction of the second switching element from the output terminal. | 2009-08-13 |
| 20090201001 | SAMPLED DATA ANALOG CIRCUITS FOR INTEGRATED COMPENSATION OF SWITCH MODE POWER SUPPLIES - A switching mode power supply utilizing an analog sampled data system in the feedback control loop in which the coefficients of the sampled data system are change by reprogramming a programmable nonvolatile memory when external LC values vary. | 2009-08-13 |
| 20090201002 | Load Driving Device and Portable Apparatus Utilizing Such Driving Device - A load such as an LED and a constant-current source are connected in series with each other between the node of a dc-dc conversion type power supply circuit providing an output voltage and the ground. The constant-current source provides a constant current Io, the magnitude of which can be adjusted. The power supply circuit controls the output voltage such that the voltage drop across the constant-current source serving as a detection voltage becomes equal to a reference voltage. Thus, the load current can be varied within a predetermined range while avoiding the power loss due to an increase in the load current, thereby always permitting efficient operation of the load. | 2009-08-13 |
| 20090201003 | DC/DC CONVERTER - A conventional DC/DC converter with both a step-up function and a step-down function has a drawback that its output voltage will be discontinuous when its operations are switched. | 2009-08-13 |
| 20090201004 | HIGH-FREQUENCY POWER SUPPLY CIRCUIT - [Problems] To accurately regulate output of a high-frequency power with a simple configuration. | 2009-08-13 |
| 20090201005 | DC TO DC CONVERTER MODULE - Lower surface terminals are disposed at the lower surface of a magnetic substrate. An upper surface electrode is disposed at the upper surface of the magnetic substrate. A control circuit, an input capacitor, and an output capacitor are mounted on the upper surface electrode. The control circuit contains a switching element. A smoothing choke is disposed inside the magnetic substrate. The connection wiring of connecting the upper surface electrode and at least one of the input terminal, the output terminal, and the ground terminal is constructed using an inner conductor passing through the inside of the magnetic substrate, and the connection wiring forms an inductor. | 2009-08-13 |
| 20090201006 | CONSTANT CURRENT CIRCUIT - Provided is a constant current circuit capable of supplying a stable constant current. Even when K values of NMOS transistors vary due to manufacturing fluctuations in semiconductor devices, a voltage generated across a resistor is always a threshold voltage difference between the NMOS transistors, and thus hardly varies. Even when the K values of the NMOS transistors vary due to a change in temperature, the voltage generated across the resistor is always the threshold voltage difference between the NMOS transistors, and thus hardly varies. | 2009-08-13 |
| 20090201007 | METHOD FOR DETERMINING AN ANODE CONVERSION DEGREE IN A FUEL CELL SYSTEM - The invention relates to a method for diagnosing an anode conversion degree of a fuel cell or a fuel cell stack ( | 2009-08-13 |
| 20090201008 | METHODS FOR MEASUREMENT AND CHARACTERIZATION OF INTERFEROMETRIC MODULATORS - Various methods are described to characterize interferometric modulators or similar devices. Measured voltages across interferometric modulators may be used to characterize transition voltages of the interferometric modulators. Measured currents may be analyzed by integration of measured current to provide an indication of a dynamic response of the interferometric modulator. Frequency analysis may be used to provide an indication of a hysteresis window of the interferometric modulator or mechanical properties of the interferometric modulator. Capacitance may be determined through signal correlation, and spread-spectrum analysis may be used to minimize the effect of noise or interference on measurements of various interferometric modulator parameters. | 2009-08-13 |
| 20090201009 | METHODS FOR MEASUREMENT AND CHARACTERIZATION OF INTERFEROMETRIC MODULATORS - Various methods are described to characterize interferometric modulators or similar devices. Measured voltages across interferometric modulators may be used to characterize transition voltages of the interferometric modulators. Measured currents may be analyzed by integration of measured current to provide an indication of a dynamic response of the interferometric modulator. Frequency analysis may be used to provide an indication of a hysteresis window of the interferometric modulator or mechanical properties of the interferometric modulator. Capacitance may be determined through signal correlation, and spread-spectrum analysis may be used to minimize the effect of noise or interference on measurements of various interferometric modulator parameters. | 2009-08-13 |
| 20090201010 | PUMPING VOLTAGE DETECTOR - A pumping voltage detector includes a first division voltage generating unit for dividing a pumping voltage at a first division ratio to generate a first divided voltage, a second division voltage generating unit for dividing the pumping voltage at a second division ratio different from the first division ratio to generate a second divided voltage, and a detection signal generating unit for comparing one of the first and second divided voltages with a reference voltage to generate a pumping voltage detection signal. | 2009-08-13 |
| 20090201011 | Apparatus, circuit and method of monitoring circuit characteristic - An apparatus includes a current source, a current monitor circuit which monitors a current amount of the current source, and outputs a current amount signal corresponding to the current amount being monitored, a counter circuit which counts a count value based on the current amount signal, the count value corresponding to a period being taken until when the current amount reaches a predetermined value, and a control circuit which modifies an operation parameter for operating a circuit unit according to the count value. | 2009-08-13 |
| 20090201012 | Device for Locating a Vehicle Tied to a Roadway - A cost-effective system provides reliable location information for locating a vehicle tied to a guideway. Reference markers are mounted to the guideway and scanning devices are disposed in the vehicle and generate at least one output signal when they pass a reference marker. The scanning devices are formed from several individual sensors which are extended in the driving direction with an average scanning length equal to or greater than a distance between neighboring reference markers. | 2009-08-13 |
| 20090201013 | POSITION SENSOR ARRANGEMENT AND METHOD - A position sensor arrangement and method for determining the position of a movable device, such as an electronic gear shifter for vehicle. According to one embodiment, the position sensor arrangement is arranged in a skewed or offset fashion, with respect to the shifting pattern of the electronic gear shifter, such that movement of the gear shifter from one discrete position to an adjacent discrete position causes a change in both an x-axis coordinate and a y-axis coordinate. | 2009-08-13 |
| 20090201014 | TWIST-GRIP CONTROL DEVICE, IN PARTICULAR FOR MOTOR VEHICLES - The device ( | 2009-08-13 |
| 20090201015 | METHOD AND DEVICE FOR DETECTING FERROELECTRIC POLARIZATION - An information storage device comprises a ferroelectric media and a cantilever including a tip extending from the cantilever toward the ferroelectric media, and a capacitive sensor formed over the cantilever. The tip applies a probe voltage to the ferroelectric media and the capacitive sensor vibrates according to a response of the ferroelectric media to the probe voltage. Circuitry determines a polarization of the ferroelectric media based on the vibration of the capacitive sensor. | 2009-08-13 |
| 20090201016 | Apparatus and method for determining magnetic properties of materials - Apparatus for determining magnetic properties of materials comprises a portable probe ( | 2009-08-13 |
