44th week of 2008 patent applcation highlights part 21 |
Patent application number | Title | Published |
20080265741 | SEMI-FULL HELICAL LUMINOUS ELECTRONIC ENERGY-SAVING LAMP - A semi-full helical luminous electronic energy-saving tube and an electronic energy-saving lamp using the tube are disclosed. The structure at the connection between the end of tube and the enclosure is a straight section. An inward bend of the straight section is achieved via an interface point between the straight section and the helical portion of the tube. The interface point includes a sharp, V-shaped 180° backward bend. By making use of the sharp inward bend, a sufficient space is left for the enclosure process. | 2008-10-30 |
20080265742 | Display Unit-Use Blue Light Emitting Fluorescent Substance and Production Method Therefor and Field Emission Type Display Unit - A blue-emitting phosphor for a display of the present invention is a zinc phosphor which emits blue light when excited by an electron beam with an accelerating voltage of 15 kV or lower and which is made of a zinc sulfide phosphor of a hexagonal system with silver and aluminum as activators and with an average particle size of 1.0 to 4.0 μm. The blue-emitting phosphor can be manufactured by: continuously passing a phosphor material through a tubular heating furnace which is set inclined relative to a horizontal direction and rotates, to clickly heating and burning the phosphor material in the heating furnace; and continuously discharging and cooling a burned material. A field-emission display using the blue-emitting phosphor has improved display characteristics such as initial brightness (white brightness) color reproducibility and the like and has a high withstand voltage characteristic. | 2008-10-30 |
20080265743 | Green Light-Emitting Phosphor for Displays and Field-Emission Display Using Same - A green light-emitting phosphor for a display emits green light when excited by an electron beam of an acceleration voltage of 15 kV or less and is composed of particles of a manganese-activated zinc silicate phosphor having an average particle size of 1.0 to 2.0 μm. A field-emission display, comprises a phosphor layer including a blue light-emitting phosphor layer, a green light-emitting phosphor layer and a red light-emitting phosphor layer, an electron emitting source which emits an electron beam having an acceleration voltage of 15 kV or less onto the phosphor layer to make it to emit light, and an envelope which vacuum-seals the electron emitting source and the phosphor layer, wherein the green light-emitting phosphor layer includes the green light-emitting phosphor composed of the manganese-activated zinc silicate phosphor having an average particle size of 1.0 to 2.0 μm. | 2008-10-30 |
20080265744 | METHOD OF FORMING WIRING OF LIGHT EMITTING DEVICE, SUBSTRATE FOR MOUNTING LIGHT EMITTING DEVICE, DISPLAY, BACK LIGHT, ILLUMINATING APPARATUS AND ELECTRONIC APPLIANCE - A method of forming a wiring of a light emitting device having an electrode on a light emission surface is disclosed. The method includes: forming the electrode nearly in a linear shape in which the width is narrower than the light emission surface; and forming a wiring that is connected to the electrode nearly in a linear shape in which the width is narrower than the light emission surface to cross the electrode. | 2008-10-30 |
20080265745 | ORGANIC LED DISPLAY APPARATUS AND MANUFACTURING METHOD THEREOF - An organic LED display apparatus comprises a substrate and an upper cover. The substrate comprises a display area, a plurality of inner leads and a plurality of outer leads. The upper cover overlays the display area and the plurality of inner leads, and is hermetically combined with the substrate by means of an encapsulating material. The plurality of outer leads is covered with an insulating material that is laid on the outer leads immediately after they are formed on the substrate. Therefore, the plurality of outer leads can be protected from scratches and damage. | 2008-10-30 |
20080265746 | PHENANTHROLINE COMPOUND AND ORGANIC LIGHT EMITTING DEVICE USING THE SAME - The present invention discloses a phenanthroline compound which can be used as electron-transporting material in organic electroluminescence devices is disclosed. The mentioned phenanthroline compound is represented by the following. | 2008-10-30 |
20080265747 | PHOSPHOR, LIGHT-EMITTING MEMBER, AND IMAGE DISPLAY APPARATUS - A phosphor of the present invention includes Ba | 2008-10-30 |
20080265748 | Oxynitride fluorescent material and light-emitting device - The invention has for its object the provision of an oxynitride fluorescent material has higher emission luminance than conventional rare earth element-activated sialon fluorescent materials. | 2008-10-30 |
20080265749 | Phosphor-Converted Electroluminescent Device with Absorbing Filter - A phosphor-converted electroluminescent device comprising an electroluminescent light source (LED | 2008-10-30 |
20080265750 | Triphenylene Compounds, Method of Manufacturing the Same and Organic Electroluminescent Devices Employing the Same - The present invention provides a novel compound represented by general formula (I) below, a method of manufacturing the same and an organic electroluminescent device employing the same; | 2008-10-30 |
20080265751 | Light Emissive Device - An organic light emissive device comprising: a first electrode; a second electrode; and an organic light emissive region between the first and second electrodes comprising an organic light emissive material which has a peak emission wavelength, wherein at least one of the electrodes is transparent and comprises a composite of a charge injecting metal and another material which is codepositable with the charge injecting metal, the other material having a different refractive index to that of the charge injecting metal and wherein the other material has a lower degree of quenching at the peak emission wavelength than the charge injecting metal whereby quenching of excitons by the at least one electrode is reduced, the charge injecting metal comprising either a low work function metal having a work function of no more than 3.5 eV or a high work function metal having a work function of no less than 4.5 eV. | 2008-10-30 |
20080265752 | Polymer Light-Emitting Diode - A light-emitting diode ( | 2008-10-30 |
20080265753 | MOISTURE PROTECTION FOR OLED DISPLAY - An OLED display, comprising: a substrate; an OLED having two spaced-apart electrodes and organic layers disposed therebetween and the OLED being disposed over the substrate; first desiccant material disposed over at least a portion of one of the electrodes; a compliant protection layer having a Young's Modulus <4 GPa disposed over at least a portion of the first desiccant material; and an encapsulation container fixed to the substrate and disposed over the compliant protection layer. | 2008-10-30 |
20080265754 | Oled Device - This invention relates to an OLED device having a substrate ( | 2008-10-30 |
20080265755 | Biscarbazol-9-Yl-Substituted Triarylamine-Containing Polymers and Electronic Devices - A conjugated or partially conjugated polymer including a structural unit of Formula (I); where T is an aryl or heteroaryl group that may be substituted or unsubstituted, or a C1-C24 alkyl group; R1 is alkyl, alkoxy, aryl group, cyano, or F; and a and b are independently selected from 1, 2 or 3. In addition, a composition of Formula (IV); wherein X is a halogen or a boronate group. | 2008-10-30 |
20080265756 | Conductive Polymer Compositions in Opto-Electrical Devices - A conductive composition for use in an organic light-emitting device comprising:
| 2008-10-30 |
20080265757 | Low Index Grids (LIG) To Increase Outcoupled Light From Top or Transparent OLED - A transparent or top-emitting OLED may include regions of a material having a refractive index less than that of the organic region, allowing for emitted light in a waveguide mode to be extracted into air. These regions may be placed adjacent to the emissive regions of an OLED in a direction parallel to the electrodes. The substrate may also be given a nonstandard shape to further improve the conversion of waveguide mode and/or glass mode light to air mode. The outcoupling efficiency of such a device may be up to two to three times the efficiency of a standard OLED. A method for fabricating such a transparent or top-emitting OLED is also provided. | 2008-10-30 |
20080265758 | Organometallic complexes and organic electroluminescence device using the same - An organometallic complex that increases an energy band gap between HOMO and triplet MLCT states, and enables highly efficient phospholuminescence and can be used for an organic electroluminescent device. The organometallic complex, which is suitably used for forming an organic layer of the organic electroluminescent device, provides a luminescence maximum emission in the wavelength range of 400-650 nm, and induces white electroluminescence when combined with green or red luminescent materials. | 2008-10-30 |
20080265759 | Organic Led Device - Organic electroluminescent device with a layer stack ( | 2008-10-30 |
20080265760 | ORGANIC LIGHT-EMITTING DISPLAY DEVICE - It is an object of the present invention to provide an organic light-emitting display device which can be simply produced by a wet process, and exhibit a high efficiency and long serviceability. The present invention provides an organic light-emitting display device having an organic light-emitting layer | 2008-10-30 |
20080265761 | LIGHT EMITTING DEVICE HAVING DOPANTS IN A LIGHT EMITTING LAYER - A light emitting device having an anode and a cathode provided on a substrate, and an organic light emitting layer between the anode and the cathode, where the organic light emitting layer includes a light emitting material and first and second dopants for improving the dispersability thereof. The first and second dopants are metal organic complex compounds having the same ligand skeletal structures. | 2008-10-30 |
20080265762 | LIGHT EMITTING DEVICE HAVING DOPANTS IN A LIGHT EMITTING LAYER - In order to improve the light emission efficiency and the light emission life time of an organic electroluminescent device, the invention provides a method for improving the dispersibility of a light emitting material in the light emitting layer. The light emitting device comprises electrodes consisting of an anode and a cathode provided on a substrate, and an organic light emitting layer between the electrodes, wherein the organic light emitting layer includes a light emitting material and a dopant for improving the dispersibility thereof. As the dopant, there are employed a light emitting compound and a non-light emitting compound or a current enhancing material. In case of employing the light emitting compound, the composition corresponds to a case of utilizing plural light emitting materials, and, in such case, the light emission wavelengths are preferably mutually closer. Also evaporation of the light emitting material and the dopant in a same evaporation boat allows to reduce the evaporation temperature, to improve the dispersibility of the light emitting material and to improve the device characteristics. In this manner there can be obtained a light emitting device of a high light emission efficiency and a long light emission life. | 2008-10-30 |
20080265763 | LIGHT EMITTING DEVICE HAVING DOPANTS IN A LIGHT EMITTING LAYER - A light emitting device having an anode and a cathode provided on a substrate, and an organic light emitting layer between the anode and the cathode, where the organic light emitting layer includes a light emitting material and first and second dopants for improving the dispersability thereof. As the first dopant, there is employed a phosphorescent dopant. The amount of the second dopant is greater than the amount of the first dopant. | 2008-10-30 |
20080265764 | DISPLAY DEVICE AND METHOD AND APPARATUS FOR MANUFACTURING THE SAME - A display device includes a first substrate, a second substrate and a blocking member. The first substrate has a light emitting element. The second substrate faces the first substrate. The blocking member is arranged between the first and second substrates. The blocking member includes a first blocking layer and a second blocking layer. | 2008-10-30 |
20080265765 | Organic electroluminescence device and method for fabricating thereof - There are provided an organic EL device and a method of fabricating the same. An effective display area on which an anode electrode, an organic luminescence layer and a cathode electrode are formed is sealed by means of a metal can, a glass cap or an organic/inorganic material. A power source is applied to the anode and the cathode electrodes through a power transferring part extended from the effective display area to a non-effective display area. Accordingly, it is possible to reduce the oxidation of the cathode electrode of the organic EL device, thereby preventing the electrical contact characteristics of the cathode electrode from being deteriorated. | 2008-10-30 |
20080265766 | Flat panel display device and method of fabricating the same - A flat panel display device includes first and second substrates spaced apart and facing each other, a plurality of discharge cells between the first and second substrates, an excitation gas in the discharge cells, a plurality of first electrodes between the first and second substrates, a plurality of second electrodes between the first and second substrates, a third electrode on each of the plurality of first electrodes, and a photoluminescent layer in at least one discharge cell of the plurality of discharge cells, the photoluminescent layer including at least one opening therethrough. | 2008-10-30 |
20080265767 | Electroluminescent Cable and Method of Fabrication Thereof - Electroluminescent cable ( | 2008-10-30 |
20080265768 | Gating large area hybrid photomultiplier tube - A gating large area hybrid photomultiplier tube that includes an envelope, a photocathode for emitting electrons in correspondence with incident light entering the envelope, a collecting anode having a semiconductor device which has an electron incident surface for receiving photoelectrons emitted from the photocathode, a gating grid for gating the photoelectrons emitted from the photocathode, an electron optical system for focusing and directing the photoelectrons generated by the photocathode toward the electron incident surface, and an ion target for collecting positive ions from the photoelectrons. The envelope has a first opening and a second opening; the photocathode is disposed at the first opening, while the collecting anode is disposed at the second opening of the envelope. | 2008-10-30 |
20080265769 | Large area hybrid photomultiplier tube - A large area hybrid photomultiplier tube that includes a photocathode for emitting photoelectrons in correspondence with incident light, a semiconductor device having an electron incident surface for receiving photoelectrons from the photocathode, and a cone shaped container. The container has a first opening and a second opening. The photocathode is disposed at the first opening, and the semiconductor device is disposed at the second opening. | 2008-10-30 |
20080265770 | LIGHT EMISSION DEVICE AND DISPLAY DEVICE USING THE LIGHT EMISSION DEVICE AS A LIGHT SOURCE - A light emission device having an evaporating getter unit and a display device utilizing the light emission device as a light source. The light emission device includes a vacuum vessel having first and second substrates facing each other and a sealing member, the first and second substrates having an active area and a non-active area, an electron emission unit located on the first substrate at the active area, a light emission unit located on the second substrate at the active area, a getter unit provided between the first and second substrates at the non-active area, and a barrier disposed between the getter unit and the active area. The barrier blocks diffusion of getter material toward the active area during the getter activating process and prevents (or reduces) a slip or a movement of the getter unit. | 2008-10-30 |
20080265771 | Plasma display panel - A plasma display panel (PDP) includes a first substrate and a second substrate positioned to face each other to define a display area surrounded by a dummy area, a plurality of barrier ribs arranged between the first and second substrates defining a plurality of discharge cells, and discharge electrodes having address electrodes extending along a first direction and display electrodes extending along a second direction intersecting the first direction with dummy electrodes in the dummy area. | 2008-10-30 |
20080265772 | Composition for forming electrodes and plasma display panel manufactured with the same - An electrode composition includes a metal in an amount of about 52% to about 62% by weight of the composition, a glass insulation material in an amount of about 5% to about 7% by weight of the composition, a coloring agent in an amount of about 3% to about 9% by weight of the composition, and a vehicle. | 2008-10-30 |
20080265773 | PLASMA DISPLAY PANEL AND METHOD FOR MANUFACTURING THE SAME - A plasma display panel and a method for manufacturing the same is disclosed. The plasma display panel includes a first substrate including a first electrode; a second substrate arranged to face the first substrate, the second substrate including a second electrode; and barrier ribs arranged between the first substrate and the second substrate to define a discharge cell, the barrier ribs being colored with at least two different pigments in mixtures. | 2008-10-30 |
20080265774 | PLASMA DISPLAY PANEL AND ITS PRODUCTION PROCESS - For a PDP, a panel having favorable discharge properties such a high discharge efficiency and a short discharge delay, being chemically stable and capable of electric power saving, is desired. | 2008-10-30 |
20080265775 | Lamp Holder for a Dielectric Barrier Discharge Lamp - A lamp holder for a dielectric barrier discharge (DBD) lamp ( | 2008-10-30 |
20080265776 | Light Source and Assembly of Light Sources - The invention relates to a light source comprising: an at least partly light-transmitting elongate discharge vessel filled with an ionizable substance, at least one first electrode and at least one second electrode connected to respective end portions of the light source, between which first and second electrodes a discharge extends during lamp operation, at least one electrode of the first electrode and the second electrode extending laterally with respect to the corresponding end portion. The invention also relates to an assembly of light sources according to the invention. | 2008-10-30 |
20080265777 | Lamp with Closing Means in Case of an Explosion of the Burner - The invention relates to a lamp, e.g. a UHP-Lamp, comprising a burner with an ionizable filling and an amount of mercury contained therein, having at least one closing means ( | 2008-10-30 |
20080265778 | Unsplit Bipolar Pulse Forming Line - A bipolar pulse forming transmission line module and system for linear induction accelerators having first, second, third, and fourth planar conductors which form a sequentially arranged interleaved stack having opposing first and second ends, with dielectric layers between the conductors. The first and second planar conductors are connected to each other at the first end, and the first and fourth planar conductors are connected to each other at the second end via a shorting plate. The third planar conductor is electrically connectable to a high voltage source, and an internal switch functions to short at the first end a high voltage from the third planar conductor to the fourth planar conductor to produce a bipolar pulse at the acceleration axis with a zero net time integral. Improved access to the switch is enabled by an aperture through the shorting plate and the proximity of the aperture to the switch. | 2008-10-30 |
20080265779 | ARRANGEMENT FOR SWITCHING HIGH ELECTRIC CURRENTS BY A GAS DISCHARGE - The present invention is directed to an arrangement for switching high electric currents by way of a gas discharge at high voltages or for generating gas discharge plasma emitting EUV radiation. It is the object of the invention to find a novel possibility for generating a hollow cathode plasma that permits a longer life of the cathodes of short wavelength-emitting gas discharge radiation sources and pseudospark switches, also in high-power operation. This object is met in that the metal wall between the hollow cathode space and the discharge space has a thickness on the order of the centimeter range so that the openings of the metal wall change into relatively long channels and in that substantially radially extending cooling channels are introduced in the metal wall to reduce the ion erosion of the metal wall of the hollow cathode through efficient cooling. | 2008-10-30 |
20080265780 | Plasma Generator Having a Power Supply With Multiple Leakage Flux Coupled Transformers - A plasma generating apparatus includes a plurality of discharge cells in which a gas is excited by a high frequency excitation signal produced at an inverter. Each of a plurality of transformers couples the excitation signal from the inverter to one of the discharge cells, thereby forming a separate resonant circuit that has a resonant frequency. A gap in the transformer core creates a stray magnetic field outside the transformer. The plurality of transformers are in close proximity to each other so that the stray magnetic field from one transformer is coupled to at least one other transformer. Coupling the stray magnetic fields between transformers results in each resonant circuit resonating at the same frequency, thereby compensating for manufacturing tolerances and changes in operating conditions of the discharge cells that otherwise affect the resonant frequency of a given circuit. | 2008-10-30 |
20080265781 | LIGHT SOURCE MODULE - A light source module including a circuit substrate, light emitting chip packages, and driving devices is provided. The circuit substrate has a top surface and a bottom surface opposite to the top surface. The bottom surface has at least one component installed area and at least one metal exposed area. The light emitting chip packages are disposed on the top surface. The driving devices are disposed in the component installed area. The driving devices are electrically connected to the light emitting chip packages through the circuit substrate. | 2008-10-30 |
20080265782 | Lighting System Control Device Charging System and Method - A lighting system control device charging system and method including a control device charged from a light source in a lighting system, including control photovoltaic cell | 2008-10-30 |
20080265783 | Display panel, electronic device, and mehtod of making display panel - Disclosed is a display panel having a display area with a matrix array of display pixels. The display panel includes an electrode arranged so as to cover the whole of the display area, and a common electrode electrically connected to the electrode. The common electrode is frame-shaped and is arranged along the periphery of the display area. The common electrode has a notch that is opposed to a power supply lead pattern to which a potential different from that applied to the common electrode is applied. | 2008-10-30 |
20080265784 | Gas excitation light-emitting device - A gas excitation light-emitting device, including a first substrate and a second substrate with a plurality of cells are defined between the first substrate and the second substrate, an excitation gas in each of the cells, a phosphor layer in each of the cells, a plurality of electrodes disposed between the first substrate and the second substrate, an electron accelerating layer emitting an E-beam in each of the cells, wherein, for each of the cells, the electron accelerating layer excites the excitation gas in the cell when a voltage is applied to corresponding ones of the electrodes of the cell, and the respective phosphor layer is spaced apart from the electrodes of the cell and the phosphor layer is arranged in a portion of the cell other than a portion of the cell between corresponding ones of the electrodes of the cell. | 2008-10-30 |
20080265785 | ORGANIC LIGHT EMITTING DEVICE - An organic light emitting device is disclosed. The organic light emitting device includes a substrate, a display unit that is positioned on the substrate and includes a subpixel and a monitor pixel, a first line supplying a voltage to the subpixel and the monitor pixel, a second line supplying a direct current (DC) power to the monitor pixel, a third line that transfers an electrical signal used to display an image on the subpixel, and a shield layer that is positioned on or under the second line and is electrically connected to the first line. | 2008-10-30 |
20080265786 | EL display device and electronic device - An EL display device capable of producing a vivid multi-gradation color display, and an electronic device having the EL display device. An electric current supplied to an EL element | 2008-10-30 |
20080265787 | LIGHTING SYSTEMS FOR FOLDABLE ENCLOSURES AND METHODS OF USE - There is provided method and apparatus for illuminating a foldable enclosure. | 2008-10-30 |
20080265788 | EL LIGHT EMITTING TOUCH SWITCH - A touch switch is composed of an EL light emitting layer configured by stacking a fluorescent layer and an insulation layer between first electrodes and a second electrode, a judgment means for making a judgment on touch manipulation with the first electrode by an operator and an EL driving unit for driving the EL light emitting layer for light emitting, with each of a plurality of first electrodes, each of plurality of fluorescent layers and each of plurality of insulation layers being provided as a set and the second electrode being provided as a single electrode with respect to the plurality of first electrodes, wherein the judgment means makes a judgment on which of the plurality of first electrodes has been touched by an operator on the basis of a high-frequency component inputted from the second electrode through the first electrode each time the touch switch is touched by an operator. | 2008-10-30 |
20080265789 | LIGHT EMITTING DIODE LAMP - LED lamp, light comprising an LED lamp, method for operating a light and method for generating an electrical dissipation power in association with an LED lamp | 2008-10-30 |
20080265790 | COUPLED LAMP DRIVING DEVICE - A coupled lamp driving device is described, comprising an alternating current (AC) power supply providing a sine-wave to two ends of each of a plurality of coupled transformers each having a primary side connected to each other at a primary side thereof and a secondary side; the plurality of coupled transformers connected to each other at the primary side thereof directing the sine-wave signal from the AC power supply to the two sides of the primary side of each of the coupled transformers and connected to an end of one of a plurality of lamps at one end of the secondary side thereof and connected to a reference level at the other end thereof, and the plurality of lamps each having the other end connected to a reference level. Since the primary sides of the coupled transformers are connected in series, a current flown on the primary side of each of the coupled transformers is equal to each other, respectively. Further, since the numbers of coils of the primary and secondary sides, respectively, are equal to each other, currents flown on the secondary side of each of the coupled transformers are also the same. Therefore, the luminance of each of the plurality of lamps can be maintained uniformly. | 2008-10-30 |
20080265791 | BACKLIGHT MODULE AND CURRENT PROVIDING CIRCUIT THEREOF - A backlight module and a current providing circuit thereof are provided. The current providing circuit includes a signal generating unit, a switching unit, a first capacitor, a transformer and an output node. The signal generating unit generates a PWM signal according to a level of a power source. The switching unit determines whether a first signal end and a second signal end of the switching unit are conducted according to the PWM signal received by a control end of the switching unit. Following a switch performed by the switching unit, the first capacitor charges and discharges through a current path provided by a primary coil of the transformer. Thereby, a secondary coil of the transformer generates a corresponding AC voltage by sensing a current change in the primary coil and outputs the AC voltage through the output node. | 2008-10-30 |
20080265792 | Constant Brightness Control For Electro-Luminescent Lamp - A ballast ( | 2008-10-30 |
20080265793 | APPARATUS AND METHOD TO PROVIDE A HYBRID LINEAR/SWITCHING CURRENT SOURCE, SUCH AS FOR HIGH-EFFICIENCY, WIDE DIMMING RANGE LIGHT EMITTING DIODE (LED) BACKLIGHTING - A hybrid power supply provides powers to a load, such as a light emitting diode (LED) backlight display, using pulse wave modulation (PWM) enable signal to control activation of a linear power supply and a switching power supply. During an initial part of an active portion of a duty cycle of the PWM enable signal, the linear power supply is activated to supply the load with constant current. During the remainder of the active portion of the duty cycle of the PWM enable signal, the linear power supply is deactivated and the switching power supply is activated to provide current to the load. A bias current and voltage may be provided to the LED during an inactive portion of the duty cycle of the PWM enable signal. The hybrid power supply combines the high efficiency of the switching power supply with smooth dimming control at low luminance of the linear power supply. | 2008-10-30 |
20080265794 | CURRENT-DRIVEN TOROIDAL-MAGNETIC-CORE-FREE FEEDBACK TYPE BALLAST - A current driven toroid-free feedback type ballast comprising a filter and rectifier circuit, a switch and resonant circuit and a lamp load including capacitors, wherein the filter and rectifier circuit is coupled to input ends of the switch and resonant circuit with its output ends; the switch and resonant circuit is coupled to the lamp load with its output ends and comprising: a trigger circuit comprised of resistors R | 2008-10-30 |
20080265795 | Circuit-Arrangement for Modulating an Led and Method for Operating Same - To achieve high modulation frequencies when modulating an LED, a circuit-arrangement for modulating at least one LED comprises a modulation-circuit ( | 2008-10-30 |
20080265796 | Light management system device and method - A lighting control system is disclosed. The lighting control system is electrically coupled to a load circuit for controlling indoor and/or outdoor lighting. The lighting control system includes a control module with a night light for providing low-level night light illumination and one or more sensors for operatively controlling the indoor and/or outdoor lighting and the night light in response to measured light levels and/or detected motion. The system is preferably configured to provide low-level night light from the night light when measured light levels and detected motion are below threshold values and to automatically turn on the indoor and/or outdoor lighting and simultaneously turn off the night light when measured light levels and detected motion are above the threshold values | 2008-10-30 |
20080265797 | System and Method for Creating Artificial Atomosphere - A lighting system ( | 2008-10-30 |
20080265798 | Method and System of Controlling a Color Lighting Device - A method for adjusting a color lighting device, comprising the following steps: (a) selecting in a user interface to generate a control instruction having various colors with different mixing ratios; (b) transmitting the control instruction to the color lighting device, and storing the control instruction in a memory of the color lighting device; and (c) adjustably emitting color lighting according to the control instruction of step (b). The present invention provides the users the capability of adjusting the color lighting device, thereby furnishing atmosphere of enjoyment to the life of the users. | 2008-10-30 |
20080265799 | Illumination control network - The present invention addresses the problem of providing illumination in a manner that is energy efficient and intelligent. In particular, the present invention uses distributed processing across a network of illuminators to control the illumination for a given environment. The network controls the illumination level and pattern in response to light, sound, and motion. The network may also be trained according to uploaded software behavior modules, and subsets of the network may be organized into groups for illumination control and maintenance reporting. | 2008-10-30 |
20080265800 | Led Lighting Device - This invention relates to a LED lighting device having a plurality of LEDs, and a LED drive system. The LED drive system includes basic light circuitry for generating, for each LED, a basic current causing continuous basic light output of the LED. Additionally, the LED drive system includes flash light circuitry, for generating, for each LED, a momentary flash current through the LED, which causes a momentary flash light output. An average current amplitude of the flash current is higher than an average current amplitude of said basic current. Thereby flashes, or twinkles, will be observed by a person watching the LED lighting device. | 2008-10-30 |
20080265801 | Solid state lighting apparatus - A lighting apparatus includes a solid state lamp including one or more solid state lighting elements, and a power circuit including a current limiting device electrically connected to the lamp. The current limiting device configured to impose a maximum threshold on the current delivered to the lamp, wherein the current limiting device functions as essentially a constant current source. The lighting apparatus includes a housing for the power circuit and lamp, as a module unit. | 2008-10-30 |
20080265802 | System and Method for Controlling Lighting Systems - A light panel ( | 2008-10-30 |
20080265803 | POWER LIMITING CIRCUIT - A power limiting circuit for controlling the power of the incandescent lamp not to overrun the rated power limit includes a sampling circuit that consists of two resistors connected in parallel. A control chip compares the received sample voltage with the standard voltage then outputs control signal to drive the conduction of a SCR (silicon controlled rectifier) to change the inner states of contacts of a relay so as to further control the on/off between the input and the output. Based on this control process and technique, this invention prevents the employment of incandescent lamps having a greater power than power rating. Besides, a bi-operational amplifier circuit is used to fulfill the whole examination and control perfectly. | 2008-10-30 |
20080265804 | Speed Control of a Variable Speed Motorized System - The present invention provides apparatuses, computer media, and methods for controlling the speed and direction of a controlled device. An input device provides input information, which is converted into speed information and direction information. A controlled device, e.g., a variable speed motor, is then instructed to operate at a device speed and direction in accordance with the speed information and direction information. The remote device may include a circular input device through which a user draws strokes. The remote device instructs the controlled device to operate at a device speed and a direction in accordance with extracted characteristics of the entered stroke such as the speed of drawing the stroke and the direction of the stroke. The remote device then transmits a signal with speed and direction information to control the controlled device. | 2008-10-30 |
20080265805 | Method and Apparatus for Operation of a Piezo-Actuator - A piezo-actuator is actuated in a first operating mode (B | 2008-10-30 |
20080265806 | Method of driving a driving device - A driving device includes an electro-mechanical transducer having first and second end portions opposite to each other in an expansion/contraction direction, a stationary member coupled to the first end portion of the electro-mechanical transducer, a vibration friction portion mounted to the second end portion of the electro-mechanical transducer, and a moving portion frictionally coupled to the vibration friction portion, whereby moving the moving portion in the expansion/contraction direction of the electro-mechanical transducer. The moving portion is driven by equalizing a constant expanding speed of the electro-mechanical transducer with a constant contracting speed of the electro-mechanical transducer and by setting a constant rest time interval after one of contraction of the electro-mechanical transducer and expansion of the electro-mechanical transducer. | 2008-10-30 |
20080265807 | Linear Motor and Transducer Arrangement Therefor - An improved linear motor which compensates for manufacturing or assembly errors in the positioning of the magnetic field detectors. The linear motor synthesises a correction signal which can be simply combined (for example added) to the output of one of the magnetic field detectors so as to ensure that the magnetic field detector outputs have the correct phase relationship. This in turn ensures that accurate positioning of the rotor relative to the stator can be achieved. In a preferred embodiment, a deliberate error is introduced into the positioning of the magnetic field detectors and this error, plus any error due to manufacturing or assembly tolerances, is corrected using the correction signal. This allows a simplified correction circuit which only corrects for phase offset errors in one direction to be used. | 2008-10-30 |
20080265808 | Motor Drive Voltage-Boost Control - A drive system for a motor having a rotor and a phase winding (a, b, c) comprises; a drive circuit including switch means associated with the winding a, b, c for varying the current passing through the winding; rotor position sensing means arranged to sense the position of the rotor; control means arranged to provide drive signals to control the switch means; a power input for connection to a power supply at a nominal voltage; and boost means in electric communication with the power input and power output, and controllable to boost the nominal voltage to a higher voltage for application to the winding. | 2008-10-30 |
20080265809 | Field weakening control apparatus for permanent magnet motor and electric power steering using same - A motor control apparatus which controls an output voltage reference for an inverter driving a permanent magnet synchronous motor based on d-axis and q-axis current references, d-axis and q-axis current detected values, and a computed frequency value. When a torque reference specifying torque greater than maximum torque that the motor can output is input, a limit value for a phase angle that is a deviation between a rotation phase reference of control and a rotation phase value of the motor is varied depending on a quantity of the predetermined state. | 2008-10-30 |
20080265810 | DC motor structure for hoist machine - The present invention relates to a DC motor for hoist machine that is essentially a design of applying DC brushless inverter motor in the hoist machine. The stator and rotor of the brushless motor are formed in such a manner that a plurality of magnets are placed with alternation in polarity into the inside of the rotor of motor to generate main magnetic field, and that a current is supplied to the windings inserted within the block made of silicon steel lamination to exert push force. The integration of the application of DC brushless inverter motor combined with the electric and electronic elements gradually brings about inverter-controlled technology with maturity, by which excellent energy-saving effect can be obtained in case of the application having variable load, due to the fact that the inverter control has better manipulation property and better features of motor-output, and possesses high torque-output and better manipulation property in low-speed of rotation running condition. Furthermore, a speed-regulation button is provided on the push button switch of the present invention, by which the rotation speed can be regulated directly so as to increase the entire performance in use. | 2008-10-30 |
20080265811 | DC motor variable kick-start - A method of operating a direct current motor fan assembly is provided in which a motor controller operates to apply full power to kick-start a motor to overcome static forces. As soon as a sensor determines that the motor has begun to rotate, the motor controller changes the motor drive level from full power to a predetermined lower level to maintain a desired rotational speed. | 2008-10-30 |
20080265812 | Electric powertrain system having bidirectional DC generator - An electric powertrain for use with an engine and a traction device is disclosed. The electric powertrain has a DC motor/generator operable to receive at least a portion of a first mechanical output from the engine and produce a DC power output. The DC motor/generator is also operable to receive DC power and produce a second mechanical output. The electric powertrain further has a drivetrain operable to receive the DC power output and use the DC power output to drive the traction device. The drivetrain is also operable to generate DC power when the traction device is operated in a dynamic braking mode. | 2008-10-30 |
20080265813 | DYNAMIC BRAKING LOAD ANALYZER - A dynamic braking load analyzer that determines the proper resistance value for a dynamic braking load resistor to be used in combination with a variable frequency drive or servo-drive to accommodate the power dissipated from an induction motor when it is being reduced in speed. The analyzer includes a resistor bank having a plurality of resistors electrically coupled in parallel. Switches are provided between the resistors, and a resistor selector switch determines which resistors are switched into the resistor bank circuit. A heat sensing resistor in the resistor bank measures the heat generated by the resistors and provides a signal that is read by a heat meter. The combination of the temperature measurement and the resistance of the resistors in the circuit gives the proper braking resistance value for the deceleration of the induction motor. | 2008-10-30 |
20080265814 | Method of controlling seatbelt retracting device with motor - In controlling a seatbelt retracting device having a mechanism for retracting a seatbelt with a motor, a current flowing to the motor is detected, and a rate of increase in the current is calculated. The motor is stopped when the rate of increase in the electricity exceeds a predetermined rate and when the electricity exceeds a predetermined value, respectively. | 2008-10-30 |
20080265815 | HARMONIC PROCESSOR - A harmonic processor receiving an input signal and providing an output signal, the input signal comprising a first analog signal having amplitude, frequency and phase components and being converted to an instantaneous magnitude output signal, or the input signal comprising an instantaneous magnitude signal for inverse conversion to an output analog signal having amplitude, frequency and phase components, comprising a first component comprising a resistive plane, the first component having a first zone and a second zone, the first zone comprising a first set of first electrodes contacting the resistive plane at first defined locations and the second zone comprising a second set of electrodes contacting the resistive plane at second defined locations; the first electrodes comprising a first subset of first electrodes permanently connected to external terminals; and a second subset of first electrodes for connection to external terminals during controlled time periods; the second electrodes comprising a first subset of second electrodes permanently connected to external terminals and a second subset of second electrodes connected to external terminals during controlled time periods; wherein one of the first set of electrodes and second set of electrodes comprises signal injection electrodes and the other of the first set of electrodes and second set of electrodes comprises sensor electrodes; the signal injection electrodes being provided to allow a pattern of bias to be applied to the resistive plane and injecting currents or forcing potential at either the first or second defined locations; the sensor electrodes being provided for sensing a potential on a surface of the resistive plane at the other of the first or second defined locations. | 2008-10-30 |
20080265816 | BRUSHLESS ELECTRIC MACHINE - The brushless electric machine includes a first drive member ( | 2008-10-30 |
20080265817 | SENSORLESS SPEED DETECTION DURING ZERO VECTOR - A speed estimation method for determining the speed of a sensorless permanent magnet brushless motor having one or more phases driven by one or more stages of an inverter, each stage including high- and low-switches connected in series across a DC Bus and having a respective common switched node, the respective switched node being coupled to a respective motor phase terminal. The method includes the steps of applying an alternating sequence of Zero Vectors to the inverter, the sequence alternating between a first Zero Vector whereby motor current does not flow in the DC Bus and a second Zero Vector wherein the high and low side switches of the inverter are alternately turned on with active vector components being injected by the inverter for each inverter stage thereby to allow motor current to flow in the DC Bus, whereby the terminals of the motor during the first and second Zero Vectors are shorted to brake the motor without substantially raising the voltage of the DC Bus during the braking time; and the speed of the motor can be determined by measuring the current in a sensor of the DC bus during the time when the second Zero Vector is applied without using a sensor in the motor. | 2008-10-30 |
20080265818 | Protective device for a power-assisted steering system - A protective device for a power-assisted steering system, such a power-assisted steering system, and a method for protecting a power-assisted steering system are described. Provided in the described power-assisted steering system is a circuit that closes a separation in the neutral point of an electric motor when the rotational speed of the electric motor exceeds a prespecified value. | 2008-10-30 |
20080265819 | Sensor calibration and parameter identification in a multi-phase motor drive - In a multi-phase motor drive that includes a bus capacitor, a multi-phase motor, a multi-phase inverter, multiple switches each having an on-state and an off-state, and multiple current sensors each being in series with respective phase winding, a method for checking the accuracy of circuit parameters of the motor drive, including using the switches to produce a first loop that includes the capacitor bank, a first phase winding, a first current sensor, a second phase winding, and a second current sensor, using the current sensors to determine a magnitude of current in the first and second phase windings, comparing a magnitude of current indicated by the first current sensor and the second current sensor, and determining a magnitude of a difference between the current in the first and second phase windings. | 2008-10-30 |
20080265820 | Motor driving circuits - A motor driving circuit comprising first and second input voltage source sets, a reference voltage source, first and second voltage level shift units, a logic unit, and an output voltage terminal. The first input voltage source set provides a first input voltage set. The second input voltage source set provides a second input voltage set. The reference voltage source provides a reference voltage. The first voltage level shift unit raises part of levels of the first input voltage set to a level of the reference voltage. The second voltage level shift unit partially raises levels of the second input voltage set to a level of the reference voltage. The logic unit receives the reference voltage and the first input voltage set and outputs a control voltage. The output voltage terminal receives the control voltage and outputs an output voltage. | 2008-10-30 |
20080265821 | MOBILE EXTRACTION-ASSIST ROBOT - An all-terrain mobile robot comprising a mobile robotic platform, having either wheels or tank-treaded-like legs capable of navigating over rough terrain, wherein the robotic platform utilizes dynamic balancing behavior; a hydraulic powered anthropomorphic torso and articulated arms, wherein the hydraulic system possesses a pressure sensor for enabling the anthropomorphic torso and articulated arms to lift a payload using acute and delicate movements that reduce the chance of causing structural harm to the payload. | 2008-10-30 |
20080265822 | Class G motor drive - A method for driving a motor by using an output stage amplifier that operates between two or more separate supply voltages, depending on the amplitude of the input signal, is presented. This bridge unipolar class G stage allows driving the motor with high accuracy and improved efficiency without introducing switching noise typical of PWM motor driving. This method can be applied with the same benefits to class AB, pseudo class AB or to class A output stages. When this method is associated with an imposed current driving approach and with a current oversampling digital to analog converter the resulting advantages are very significant. | 2008-10-30 |
20080265823 | Stator resistance adaptation in sensorless PMSM drives - A method of estimating stator resistance of a permanent magnet synchronous machine, when the permanent magnet synchronous machine is controlled with an inverter using a control system having an adaptive observer which is augmented with a signal injection, the adaptive observer having a stator resistance estimate ({circumflex over (R)} | 2008-10-30 |
20080265824 | Method and system for compensating for position error of step motor - The present invention relates to a method and a system for compensating for a position error of a step motor. A method for compensating for a position error of a step motor includes: sequentially inputting a predetermined number of a pulse as a rotator position command to a step motor driver; driving a step motor in a micro step method based on the rotator position command and a predetermined current command table; detecting an actual position of a rotator of the step motor while the step motor is being driven; calculating a position error by comparing the rotator position command and the detected actual position of the rotator; and compensating for the predetermined current command table based on the calculated position error. According to the present invention, a position error which may occur when the step motor is driven by a micro step method can be removed. | 2008-10-30 |
20080265825 | High-Current High-Resolution Driving Circuit - The present invention discloses a high-current high-resolution driving circuit comprising a controller, a digital-to-analog converter and a voltage-to-current converter. The controller is provided for receiving a control signal for operating a load and outputting a digital signal corresponding to the control signal. The digital-to-analog converter is provided for generating an analog voltage signal corresponding to the digital signal. The voltage-to-current converter is provided for generating a current signal corresponding to the analog voltage signal and transmitting the current signal to the load in order to drive the load. | 2008-10-30 |
20080265826 | Method of Setting the Origin of a Linear Motor - A movable member is moved in a preset direction in a linear motor. A characteristic-change position-detecting unit detects a position where the magnetic characteristic of the magnets has abruptly changed. The position detected is used as an origin-setting reference position. A reference position for the absolute position of the magnetic linear encoder is set based on the reference position. | 2008-10-30 |
20080265827 | Step motor driving circuits - A step motor driving circuit is provided. An exemplary step motor driving circuit includes an input voltage source set, a reference voltage source, a voltage level shift unit, a logic unit, a reset voltage source, and an output voltage terminal. The input voltage source set provides an input voltage set. The reference voltage source provides a reference voltage. The voltage level shift unit raises one of the levels of the input voltage set to a level of the reference voltage. The logic unit receives the reference voltage and the input voltage set and outputs a control voltage. The reset voltage source outputs a reset voltage to reset the logic unit. The output voltage terminal receives the control voltage and outputs an output voltage. | 2008-10-30 |
20080265828 | VARIABLE FREQUENCY REDUCED SPEED VARIATION ELECTRIC DRIVE - A multiple-winding induction machine may be used to obtain a reduced-speed-variation electric drive when using a variable-frequency power distribution system. Each winding may have a different number of poles. The winding with the smallest number of poles may operate the machine at the lowest bus frequency, while the winding with the largest number of poles may operate the machine at the highest bus frequency. In one embodiment, a third winding, with a middle number of poles, may operate the machine at the middle frequency ranges. The speed of the induction machine is a function of the electrical frequency and the number of the winding poles. Therefore, the operating speed range can be reduced by switching from one winding to another. According to the present invention, windings with different numbers of poles can be designed to achieve different reductions in speed variation. | 2008-10-30 |
20080265829 | Inverter apparatus and a semiconductor device used for the same | 2008-10-30 |
20080265830 | SYSTEMS AND METHODS FOR CONTROLLING TORQUE OF A MOTOR - A system and a method for controlling torque of a motor are provided. The method includes modifying a phase advance angle based on an identified phase coil that has a faulted condition, a type of fault condition, and a polarity of a commanded torque to obtain a desired output torque from a motor. | 2008-10-30 |
20080265831 | MOTOR CONTROL APPARATUS - A motor control apparatus provided with an inverter for successively commutating the current to a motor using a PWM signal; a PWM signal generating device for generating the PWM signal using a carrier signal; a rotational state quantity sensor for detecting a rotational state quantity; a phase difference detecting device for detecting the phase difference between the carrier signal and the rotational period based on the rotational state quantity; a frequency setting device for setting a frequency of the carrier signal to a value in accordance with a multiplier for one period in terms of electrical angle of the rotational period of the motor, when the rotational frequency is equal to or greater than a specified frequency and the phase difference is equal to or less than a specified value; and a synchronizing device for synchronizing a control period of the carrier signal to the rotational period. | 2008-10-30 |
20080265832 | MOTOR DRIVING SYSTEM AND MOTOR DRIVING METHOD - A motor driving apparatus including inverter apparatuses, inverter control circuits, and a plurality of inverter control apparatuses for performing variable-speed driving of a single motor, breakers each of which being provided between each inverter apparatus and the motor, the inverter control circuits being connected in parallel to each other. Here, a motor rotation frequency/phase detection circuit of each inverter control circuit is set up on a closer side to the motor than the breakers, then frequency and phase of a terminal voltage at the motor are detected and inputted into failure-time input frequency/phase setting circuits regardless of close/open of each breaker. This feature allows computation by the failure-time input frequency/phase setting circuits to be carried out at all times, thereby making it possible to shorten a computation time needed for computing inverter-apparatus start frequency/phase. | 2008-10-30 |
20080265833 | Driving level control structure eliminating electric noise from motor - A driving level control structure eliminating electric noise from motor includes a drive control unit, a sensing unit, a setting unit, a first comparing unit, and a frequency control unit. The first comparing unit generates a first discriminating signal based on a reference level signal provided by the sensing unit and a preset level signal provided by the setting unit. The frequency control unit generates a second discriminating signal based on the first discriminating signal. The second discriminating signal is set to a specific frequency fallen out of a human ear perceptible frequency range before being sent to the drive control unit for controlling a motor coil unit to on or off as a current limiting operation, so that electric noise from a motor during the current limiting operation thereof is eliminated. | 2008-10-30 |
20080265834 | SOLAR-POWERED PHOTOELECTRIC APPARATUS - A solar-powered photoelectric apparatus comprises a solar cell panel, a rechargeable battery and one or more photoelectric devices. The solar cell panel absorbs light to generate electricity and the electricity is stored in the photoelectric device. The photoelectric device uses power from the rechargeable battery to generate light. In consideration of times of insufficient light to the solar-powered photoelectric apparatus, the photoelectric apparatus may further comprise a USB connector as an interface for charging the rechargeable battery. | 2008-10-30 |
20080265835 | WIRELESS POWER TRANSFER SYSTEM - A wireless power transfer system | 2008-10-30 |
20080265836 | BATTERY CHARGER FOR MULTIPLE MOBILE DEVICES - A disclosed battery charger comprises multiple interfaces provided corresponding to multiple mobile devices, the interfaces being connected to the mobile devices in wired or wireless connection; a charge parameter setting unit setting one or more charge parameters for the mobile devices; a switching control unit switching timing of charging the multiple mobile devices based on the charge parameters set by the charge parameter setting unit; and a charging unit charging one of the mobile devices selected by the switching control unit. | 2008-10-30 |
20080265837 | CONNECTOR DEVICE, METHOD OF MANUFACTURING THE SAME, AND BATTERY PACK USING THE SAME - A connector device includes a circuit board and a connector body, and the connector body includes a housing and a connection terminal provided inside the housing. A silicon resin is applied to fill a gap between the connector body and the circuit board. The application of the silicon resin can prevent a mold resin used to seal the connector device and a battery pack body from entering from the gap into the housing. Thereby, a connector device reliably establishing conduction and a battery pack applying such a connector device can be obtained. | 2008-10-30 |
20080265838 | Battery charging using a USB-ID pin of a USB interface - A device includes a rechargeable battery and a USB interface including a USB_ID pin. A charging device is connected to the device via the USB interface. A battery charging circuit in the device receives a charge via the USB_ID pin from the charging device, and the battery charging circuit charges the battery with the received charge. | 2008-10-30 |
20080265839 | Multi-mode power management unit with shared inductor - According to one exemplary embodiment, a multi-mode power management unit (PMU) includes a number of switchable conductive paths, where each of the switchable conductive paths corresponds to at least one of a number of power modes. The multi-mode PMU further includes a shared inductor residing in each of the switchable conductive paths. A current can flow through the shared inductor in a same direction in each of the power modes. The multi-mode PMU further includes a controller configured to set one of the power modes using one of the switchable conductive paths. The power modes can include a battery-to-electronic system power mode and a charge-battery power mode. The power modes can further include a battery-to-electronic system/camera flash power mode, a power port-to-electronic system/battery power mode, and a battery-to-electronic system/backlight LED power mode. | 2008-10-30 |
20080265840 | METHOD FOR DETERMINING RESIDUAL BATTERY CHARGE - A method is provided for determining a residual charge on a battery ( | 2008-10-30 |