32nd week of 2010 patent applcation highlights part 19 |
Patent application number | Title | Published |
20100201203 | WIRELESS ENERGY TRANSFER WITH FEEDBACK CONTROL FOR LIGHTING APPLICATIONS - Described herein are improved configurations for a wireless lighting power transfer method including providing a source having a source resonator that includes a high-Q source magnetic resonator coupled to a power source, providing a device having a device resonator that includes a high-Q device magnetic resonator, distal from the source resonator, the device including a light emitting part electrically coupled to the device resonator, providing a signaling capability between the source and the device, signaling a state of the device to the source using the signaling capability, and energizing the source to generate an oscillating magnetic field according to the state of the device. | 2010-08-12 |
20100201204 | NON-CONTACT POWER TRANSMISSION APPARATUS - A non-contact power transmission apparatus is disclosed. The non-contact power transmission apparatus includes an AC power source, a primary coil, a primary side resonance coil, a secondary side resonance coil, a secondary coil, a voltage measuring section, and a distance calculating section. AC voltage of the AC power source is applied to the primary coil. A load is connected to the secondary coil. The voltage measuring section measures the voltage of the primary coil. The distance calculating section calculates the distance between the primary side resonance coil and the secondary side resonance coil based on the voltage measured by the voltage measuring section. | 2010-08-12 |
20100201205 | BIOLOGICAL EFFECTS OF MAGNETIC POWER TRANSFER - Described herein are embodiments of forming a wireless power transfer system which uses at least two high-Q magnetically resonant elements, and which have values which are set to acceptable levels of electric and magnetic field strength and radiated power. | 2010-08-12 |
20100201206 | Power Control Apparatus - A power control apparatus comprises a transducer having an output ( | 2010-08-12 |
20100201207 | APPARATUS FOR CONTROLLING ELECTRICAL POWER DISTRIBUTION TO CHARGING DEVICES - An apparatus for controlling electrical power distribution to an electrical charging device includes a power input that is to be connected to a power source for receiving electrical current from the power source and a power output that is to be connected to at least one electrical charging device having a run mode and a standby mode for supplying the electrical current to the one or more electrical charging devices. A device for sensing when the electrical current to the electrical charging device is below a predetermined threshold, when the electrical charging device is in the standby mode, and for sensing when the electrical current is above the predetermined threshold when the electrical charging device is in the run mode is provided, along with a device for interrupting the electrical current to the electrical charging device when the electrical current falls below the predetermined threshold as the electrical charging device transitions from the run mode to the standby mode as determined by the sensing device. A further device resets and powers the electrical charging device when the electrical current increases above the predetermined threshold as the electrical charging device transitions from the standby mode to the run mode as deter-mined by the sensing device. | 2010-08-12 |
20100201208 | TECHNIQUES FOR REDUCING NO LOAD POWER IN ELECTRONIC DEVICES - Systems and methods (“utility”) are provided for reducing the no-load (standby) power of power devices such as chargers for electronic devices and power converters for electronic devices. The utility may include a controllable switch that is operative to decouple circuitry of the power device from a power source under certain no-load conditions. In one embodiment, the utility provides a switch control module that is operative to sense when an electronic device is coupled to the power device, and in response, to control the switch to couple the power device to the power source. The switch control module may also be operative to detect a condition when the electronic device is no longer drawing power from the power device, and in response, to control the switch to decouple the power device from the power source. | 2010-08-12 |
20100201209 | SYSTEMS AND METHODS FOR AN IMPROVED LINEAR MOTOR - An improved linear motor is provided useful in conjunction with audio equipment for reduced distortion audio output at high voice coil displacements. The improved linear motor may include a yoke, a gap plate which forms an air gap with the yoke, magnets coupled to the yoke and the gap plate, a former, and a voice coil coupled to the former. The magnets generate a magnetic field across the air gap, which is relatively narrow. The former and coil fit in the air gap and may move in a vertical direction. The voice coil includes more than one segment, each having differing electrical resistance. The differing resistances cause the force on the voice coil to be uniform regardless of displacement of the voice coil vertically within the air gap. Resistance differences between the segments may be caused by differing the wire lengths making up each segment of the coil. Likewise, each segment may be made of differing material to vary resistance. | 2010-08-12 |
20100201210 | LINEAR MOTOR - A linear motor includes a stator having field poles arranged linearly with opposing polarities arranged in an alternating manner; and a rotor having an armature core with teeth that faces a pole face of the field poles with a gap, and coils wound around the teeth. The stator and the rotor are supported in a slidable manner, a direction perpendicular to a sliding direction of the rotor and in parallel with the pole face is defined as a stacking direction. A head of each of the teeth has an extended portion extended in the sliding direction. At least heads of the teeth arranged at both ends of the armature core along the sliding direction is divided into a plurality of areas along the stacking direction. At least one of extended portions arranged on adjacent areas is extended by a different length along the sliding direction. | 2010-08-12 |
20100201211 | ELECTRIC MOTOR AND SERIES OF ELECTRIC MOTORS - An electric motor and modular system of electric motors includes at least a stator, rotor, and a housing, the modular system including several variants of electric motors, e.g., within one size, the housing having a mechanical interface that is arranged for connection to a bearing support, the bearing support including at least a bearing seat for the B-side bearing of the rotor shaft, at least two different bearing supports being alternatively connectible to the housing, a first bearing support including an additional interface for connection to a bottom part of a terminal box, or alternatively to a bottom part for power electronics, and the first bearing support forming a housing for a brake and/or a fan, a second bearing support being constructed in one piece with a bottom part of a terminal box. | 2010-08-12 |
20100201212 | CONNECTION LINE USED FOR STATOR OF ELECTRIC MOTOR, STATOR INCLUDING THAT CONNECTION LINE, AND METHOD FOR BENDING THE CONNECTION LINE - A connection line has a first bent portion bent toward a coil's main body in a vicinity of a stator core's axial length limit line. Furthermore, the connection line at a portion closer to the coil's main body than the first bent portion has a second bent portion bent away from the coil's main body. Furthermore, the connection line has a third bent portion bent away from the coil's main body to have a connection portion along an end surface of the terminal member in contact therewith generally parallel thereto. | 2010-08-12 |
20100201213 | MOTOR - A motor includes a plurality of bus wires of a common phase which are put together before being guided in a common passage to minimize the space arranged to guide the bus wires. Also, the bus wires of a common phase are easily insulated from those of different phases, and an axial height of the motor is reduced. Further, a radial width necessary to guide the bus wires is reduced, and an axial height of the motor including a sensor portion which detects a rotary position of the motor is reduced. Also, the bus wires are easily extended from the armature, and an amount of work required to connect the bus wires and the terminals is reduced. Furthermore, the connection terminal portion does not interfere with the bus wires when they are being guided. | 2010-08-12 |
20100201214 | SMALL-SIZED MOTOR - A connection circuit board includes a main portion and a lead wire connecting portion. The main portion is positioned between an end portion of a motor case body and an end bracket. The lead wire connecting portion projects outwardly from the motor case body. A protective cap including a connecting portion receiving chamber for receiving the lead wire connecting portion of the connection circuit board is attached to the lead wire connecting portion through an engaging structure. An adhesive is filled in the connecting portion receiving chamber of the protective cap. In a small-sized motor of the above configuration, the protective cap can securely be fixed to the motor case. | 2010-08-12 |
20100201215 | ROTATIONAL DISPLAYS - A rotation apparatus includes at least one magnet, and a flexible suspension coupled to the at least one magnet. The at least one magnet is suspended from the suspension, Moreover, when the flexible suspension causes rotation in a first direction via a force, the at least one magnet alternately rotates in the first direction and in a second direction opposite the first direction. | 2010-08-12 |
20100201216 | BEARING DEVICE FOR NON-CONTACTING BEARING OF A ROTOR WITH RESPECT TO A STATOR - The invention relates to a bearing device ( | 2010-08-12 |
20100201217 | THREE DIMENSIONAL MOTOR GENERATOR SYSTEM - A universal three dimensional motor generator system is provided with magnets and permanent magnetic and/or electromagnetic windings on rotors and stator for compounding and multiplying the order of voltage or potential to or from a machine. Three rotating rotors mechanically interconnected through gears and coils are strategically positioned within a housing that allows the multiple input and/or output of single and/or three phases A/C, D/C or in combination. When input power is supplied to rotor one, rotor two and rotor three start rotating along with rotor one due to gear arrangement to generate/ produce power which is fed back to rotor one. This generated/produced power can/will be utilize to supplement the input power to maintain the synchronous speed across the designed load or combined to increase the output rating of machine. The system allows multiple wiring configurations allowing each section of a rotor and stator configuration to operate independently or separately as a motor or generator, or in combination. | 2010-08-12 |
20100201218 | TERMINAL ELEMENT, MOTOR WINDING STRUCTURE AND METHOD FOR MANUFACTURING MOTOR WINDING STRUCTURE - A terminal element, a motor winding structure and a manufacturing method are disclosed. The terminal element includes a fixing portion, a positioning portion and a buffering portion. The fixing portion is disposed at one end of the terminal element and has a serrate fixing pattern. The fixing portion is connected with a connecting position of the motor winding bobbin. The positioning portion is disposed adjacent to the fixing portion and urged against the motor winding structure for positioning the fixing portion while it is connected with the connecting position. The buffering portion has a first bending and a second bending, and the first bending is connected to positioning portion. The buffering portion absorbs the force applied to the terminal element. | 2010-08-12 |
20100201219 | Electromotive Part Of An Elevator Drive - The present invention relates to an electromotive part of an elevator drive, comprising a rotor ( | 2010-08-12 |
20100201220 | ROTOR WINDING SHIELD FOR A SUPERCONDUCTING ELECTRIC GENERATOR - A generator rotor core ( | 2010-08-12 |
20100201221 | PIEZOELECTRIC DEVICES AND METHODS FOR MANUFACTURING SAME - An exemplary piezoelectric vibrating device includes a piezoelectric frame that supports and surrounds a tuning-fork type piezoelectric vibrating piece having a pair of vibrating arms. The device also includes a lid and a package base that are siloxane-bonded to the frame. The lid defines at least one frequency-adjustment hole extending through the thickness dimension of the lid from an inner major surface thereof (facing the frame) to an outer major surface of the lid. The package base defines at least one through-hole electrode passing via a respective electrode through-hole through the thickness of the base from an inner major surface thereof (facing the frame) to the outer major surface thereof. The electrode is connected to the piezoelectric vibrating piece. The lid and base include external electrodes, made of an electrically conductive material, that cover the through-holes and frequency-adjustment hole(s). | 2010-08-12 |
20100201222 | Ultrasound Transducer Manufactured by Using Micromachining Process, its Device, Endoscopic Ultrasound Diagnosis System Thereof, and Method for Controlling the Same - An ultrasound transducer manufactured by using a micromachining process comprises: a first electrode into which a control signal for transmitting ultrasound is input; a substrate on which the first electrode is formed; a second electrode that is a ground electrode facing the first electrode with a prescribed space between the first and second electrodes; a membrane on which the second electrode is formed and which vibrates and generates the ultrasound when a voltage is applied between the first and second electrodes; a piezoelectric film contacting the membrane; and a third electrode electrically continuous to the piezoelectric film. | 2010-08-12 |
20100201223 | RESONATOR ELEMENT AND RESONATOR - A resonator element includes: three or more resonating arms, each of the resonating arms including; a lower electrode provided on a first surface of the resonating arm, a piezoelectric film formed on the lower electrode, an upper electrode formed on the piezoelectric film, a first wiring line coupled to the lower electrode, and a second wiring line coupled to the upper electrode; and a base to which the resonating arms are connected. In the resonator element, the resonating arm vibrates in a thickness direction of the resonating arm. The resonating arms adjacent to each other vibrate in opposite directions from each other. The first surface is opposed to a second surface in the thickness direction. The second wiring line is drawn out to the second surface through side surfaces of the resonating arm so as to surround the resonating arm. | 2010-08-12 |
20100201224 | STICK-SLIP PIEZOELECTRIC MOTOR - A piezoelectric motor including a rotor, a stator including a piezoelectric material having axial polarization, the stator including at least three pairs of electrodes spaced from one another on a top end face thereof and a common electrode on a base end face thereof, and slabs affixed to the stator at spacings between the electrodes, wherein the rotor is pressed towards the slabs by a pre-load force, wherein when a positive charge is applied to a first of the electrodes and a negative charge is applied to a second of the electrodes and an electric common port is applied to the common electrode, D | 2010-08-12 |
20100201225 | VIBRATION ACTUATOR DRIVING DEVICE, LENS BARREL, CAMERA, METHOD OF MANUFACTURING ELECTROMECHANICAL CONVERSION ELEMENT, METHOD OF MANUFACTURING VIBRATION ACTUATOR, AND METHOD OF DRIVING VIBRATION ACTUATOR - A vibration actuator driving device includes a plurality of wiring sections and a supply controller. The plurality of wiring sections are disposed correspondingly to a plurality of electrically independent electrodes of an electromechanical conversion element. The wiring sections input driving signals to drive the electromechanical conversion element. The supply controller is capable of independently supplying a driving signal for each respective wiring section. | 2010-08-12 |
20100201226 | PIEZOELECTRIC TRANSDUCER DEVICE - The present invention relates to a transducer device ( | 2010-08-12 |
20100201227 | POLYMER AND POLYMER ACTUATOR COMPRISING THE SAME - Provided are a polymer and a polymer actuator including the polymer. The polymer is cross-linked by a cross-linking agent. When the polymer is used in the polymer actuator, the polymer actuator shows a high strain and may be stably operated at high temperatures. | 2010-08-12 |
20100201228 | METHOD OF COATING - The present invention provides a method of depositing a metallic layer on to a surface of a piezoelectric substrate, which method comprises the application of cold spraying to deposit the metallic layer or layers. | 2010-08-12 |
20100201229 | Tuning-Fork Type Piezoelectric Vibrating Piece, Piezoelectric Frame, Piezoelectric Device, and a Manufacturing Method of Tuning-Fork Type Piezoelectric Vibrating Piece and Piezoelectric Frame - A tuning-fork type crystal vibrating piece ( | 2010-08-12 |
20100201230 | ELECTRIC POWER SYSTEM CONTROL SYSTEM WITH SELECTIVE ENCLOSURE - An enclosure for electric power system control, monitoring, protection, and automation access devices, which includes a selective workspace enclosure. The enclosure includes a workspace enclosure for enclosing a workspace adjacent to a device for controlling, protecting, monitoring, and/or monitoring an electric power system, thereby providing a shelter or barrier to the elements for personnel accessing the device. Generally, the enclosure may be partitioned to include a number of cabinets, in each of which a number of devices may be installed. The enclosure may further include a platform, guide members, protective barriers and cover members (when retracted housed in a cover cabinet) to provide a shelter or barrier to the elements for personnel accessing the devices from a select workspace. The enclosure may be modular in that multiple modules, each of which may include its own protective cover member, may be installed adjacent to each other, such that enclosed workspaces may be selectively extended to provide enclosed workspaces only as needed. | 2010-08-12 |
20100201231 | Fitting for a sales counter and/or a display counter for merchandise - A fitting for a sales counter includes a counter body which receives the goods and which is delimited at least in part by a pane. The fitting has a pivot bearing with a pivot axis which allows the pivoting of the pane from a basic position according to its use to a special position in which the cleaning of the pane or the counter body and/or the filling or emptying of the counter body are made easier. In addition, two profiles are provided, namely, a basic profile stationarily mounted to the counter body and a pivot profile arranged movably thereto which can be mounted on a pivot arm and which can receive the pane. The pivot bearing can be brought into operative connection with the basic profile and the one end of the pivot arm, so that the movement of these components toward each other is facilitated. The pivot axis of the pivot bearing is arranged vertically. The invention proposes to arrange the pane in such a manner that it does not cross the pivot axis of the pivot bearing. Furthermore, the invention proposes that the pivot profile encompasses the pivot arm along its longitudinal axis and is configured here essentially self-contained. | 2010-08-12 |
20100201232 | CEILING-EMBEDDED AIR CONDITIONER - In a ceiling-embedded air conditioner, a panel fastening screw that fastens a decorative panel to an indoor unit body embedded in a ceiling is previously mounted to the indoor unit body and has an intermediate portion having a small diameter with no threaded portion. | 2010-08-12 |
20100201233 | Portable medicine cabinet - Disclosed is an innovative, space-saving article for the medical industry . . . an organizing container for medication bottles, which allows for transport and convenient safekeeping of pharmaceutical and over the counter medication regimens. The inventive device also allows the user to create an arrangement of medicine bottles serving the users regimen needs. | 2010-08-12 |
20100201234 | STORAGE UNIT - A locker is provided. The locker comprises a base defining a storage space, a door coupled to the base and rotatable relative to the base between an open position and a closed position, and a latch bar moveable relative to the door between an extended and a retracted position. The latch bar defines at least one guide slot configured to receive a projection for guiding the movement of the latch bar between the extended position and the retracted position. The at least one guide slot is at least partially non-linear. The latch bar is moved to the extended position to secure the door in the closed position. | 2010-08-12 |
20100201235 | CASE ASSEMBLY FOR ELECTRONIC APPLIANCE - A case assembly for electronic appliance includes a first case having a plurality of engaging members and each engaging member includes two clamping protrusions. Each clamping protrusion includes a supporting portion and a protruding portion. A space is defined between the two clamping protrusions. A second case includes multiple ports and each port has a shoulder defined in an inside thereof and the shoulder is located corresponding to the protruding portions of the clamping protrusions. Multiple positioning members each have an insertion portion and a head. A transverse width of the opening of the space is smaller than a width of the insertion portion. When the insertion portion of each of the positioning members is inserted into the space corresponding thereto, the clamping protrusions are expanded outward by the positioning member, and the protruding portions are engaged on the shoulder of the second case. | 2010-08-12 |
20100201236 | SUPPORTER AND PEDESTAL AND WASHING/DRYING MACHINE HAVING THE SAME - The present invention relates to a washing/drying machine at which a pedestal is mounted or supporters for coupling the pedestal and the washing/drying machine to each other. The pedestal includes a housing having a specific space therein, the plurality of supporters mounted at the housing and supporting an object placed on the housing and connection parts connecting the supporters mounted at one side of the housing to each other. The supporters are provided with coupling ribs for fixing the object at the housing. As the pedestal is mounted at the washing/drying machine, it is capable of preventing surfaces of the washing/drying machine and the pedestal from being damaged and of preventing water or other foreign materials from penetrating through a gap between the washing/drying machine and the pedestal by the connection parts mounted between the washing/drying machine and the pedestal. | 2010-08-12 |
20100201237 | WHEEL-LESS MOBILE SECURITY SYSTEM - A mobile security apparatus without wheels is provided. The mobile security system may be suitable for transportation to and/or deployment in locations that are not accessible by roads, such as those covered by ice or snow, those in a body of water, etc. For some embodiments, the mobile security apparatus includes surveillance equipment, a pole for supporting the surveillance equipment, a base unit for supporting the pole, and wheel-less positioning means for transporting the mobile security system. | 2010-08-12 |
20100201238 | RECESSED WALL DRAWER - A recessed wall drawer ( | 2010-08-12 |
20100201239 | END CAP CONNECTOR FOR A LIGHT TUBE - An end cap assembly for a light tube that has a circuit board with one or more solid state lighting devices mounted thereto and a lens covering the circuit board includes an end cap body having a lens engagement surface configured to engage the lens and an external mating interface configured to mate with a socket connector of a fixture. An end cap connector extends from the end cap body. The end cap connector holds contacts having first mating portions configured to be electrically connected to the circuit board and second mating portions configured to be electrically connected to the socket connector. | 2010-08-12 |
20100201240 | ELECTRON ACCELERATOR TO GENERATE A PHOTON BEAM WITH AN ENERGY OF MORE THAN 0.5 MEV - An electron accelerator that generates a photon beam with an energy of more than 0.5 MeV by means of an electron beam charging a target has a vacuum chamber with an intake opening and an exit opening, and an electron source at the input side. The target is arranged outside the vacuum chamber in the region of the exit opening in a housing in which a window is present that is permeable to photons and that is arranged opposite the exit opening in the beam direction of the electron beam. The target is permeated by at least one cooling channel. | 2010-08-12 |
20100201241 | THERMAL STORAGE SYSTEM USING ENCAPSULATED PHASE CHANGE MATERIALS IN LED LAMPS - A phase change material (PCM) is used as thermal storage for lighting systems. The PCM is placed in a thermally conductive container in close contact with the lighting system. As the PCM absorbs heat, it changes from a solid to a liquid state, but the temperature of the PCM is clamped at its melting point temperature. For LED-based systems, the PCM is selected to have a melting point such that the junction temperatures of the LEDs in the system are maintained at approximately their optimum operating temperature inside the lighting system housing. Because the thermal conductivity of the molten PCM is poor, a low thermal resistance heat flow path is provided from the PCM to the container. | 2010-08-12 |
20100201242 | LIGHT CONTROL FILM AND MULTI-LAYER OPTICAL FILM STACK - Film stacks and displays incorporating the same are described. | 2010-08-12 |
20100201243 | HIGH-PRESSURE DISCHARGE LAMP - A high-pressure discharge lamp is provided. The high-pressure discharge lamp may include a ceramic discharge vessel, electrodes respectively being guided out of the discharge vessel by means of a leadthrough system via capillaries, wherein at least one leadthrough system is at least of tripartite form, including a first leadthrough part that is at the front with reference to the discharge, is corrosion resistant and is held entirely in the capillary, and a second, middle leadthrough part that is not corrosion resistant and is likewise held entirely in the capillary, there being adjacent thereto a third, rear, corrosion resistant leadthrough part, a soldering glass covering a segment of the first leadthrough part up to a segment of the third leadthrough part such that the soldering glass entirely covers the second, middle leadthrough part, the middle leadthrough part being sunk in the capillary to a depth of at least 0.1 mm. | 2010-08-12 |
20100201244 | METAL BODY ARC LAMP - A short arc lamp comprises front and back subassemblies including mating weld rings, whereby the lamp can be assembled and sealed through welding of the weld rings. Each subassembly includes a number of self-aligning components to facilitate assembly and improve alignment accuracy. The metal body of the lamp can have a cooling projection portion, which can be received by a heat sink to remove heat from near the anode. A heat sink also can be formed as part of the metal body. The lamp reflector can be a drop-in reflector, or can be formed as part of the metal body through a process such as metal injection molding. A single strut can be used to position the cathode, which can be part of the sleeve or received by a portion of the sleeve. A trigger electrode can be used to simplify the power supply for the lamp. | 2010-08-12 |
20100201245 | SPARK PLUG HAVING A PLASTIC UPPER INSULATOR AND METHOD OF CONSTRUCTION - A spark plug and method of construction thereof is provided. The spark plug includes a metal shell having a through cavity, a lower insulator and a plastic upper insulator. The lower insulator is received in the through cavity and has a through passage with a center electrode received therein. A ground electrode is operatively attached to the shell in spaced relation from the ground electrode to provide a spark gap. The plastic upper insulator has a distal end received in the through cavity of the shell and a terminal end extending axially outwardly from the shell. The upper insulator has a through passage extending between the terminal end and the distal end. An elongate conductive member is received in the through passage of the upper insulator and is configured for electrical communication with the center electrode. | 2010-08-12 |
20100201246 | ELECTRON-EMITTING DEVICE AND IMAGE DISPLAY APPARATUS USING THE SAME - An electron-emitting device has an insulating layer having a side surface, a recess portion formed on the side surface of the insulating layer, a gate electrode which is arranged above the recess portion, and a wedge-shaped emitter which is arranged on an edge of a lower side of the recess portion and has a first slope on a side of the recess portion and a second slope on a side opposite to the recess portion. A lower end of the first slope of the emitter enters the recess portion, and both the first slope and the second slope of the emitter tilt to an outside of the recess portion. | 2010-08-12 |
20100201247 | ELECTRON BEAM APPARATUS AND IMAGE DISPLAYING APPARATUS USING THE SAME - An electron beam apparatus is provided having an electron emitting device which has a simple configuration, exhibits high electron emission efficiency, operates stably, and in which emitted electrons are effectively converged. The electron beam apparatus includes: an insulator having a notch on its surface; a gate positioned on the surface of the insulator; at least one cathode having a protruding portion protruding from an edge of the notch toward the gate, and positioned on the surface of the insulator so that the protruding portion is opposed to the gate; and an anode arranged to be opposed to the protruding portion via the gate, wherein the gate is formed on the surface of the insulator so that at least a part of a region opposed to the cathode is projected outward and recessed portions are provided in which ends of the gate are recessed and interpose the projected region. | 2010-08-12 |
20100201248 | VEHICLE LIGHT AND ROAD ILLUMINATION DEVICE - A vehicle light and a road illumination device can include a semiconductor light emitting device capable of forming a luminance distribution where the light with a maximum value can be arranged at or near a light distribution cutoff line, thereby improving its light utilization efficiency. The vehicle light can include a semiconductor light emitting device including a semiconductor light emitting element and a wavelength conversion layer having a thickness-decreased portion that is formed substantially at a center line of the semiconductor light emitting element and extending to one end thereof so that the thickness is reduced from the center portion toward the one end. A projection optical system for forming a cutoff line can be configured to project a plurality of light source images each including an image portion corresponding to the thickness-decreased portion at its upper area, and to arrange the image portions in at least one of a horizontal direction and an oblique direction. | 2010-08-12 |
20100201249 | Plasma display panel and method for fabricating the same - A plasma display panel in which projections are formed in grooves between partitions and phosphor layers are provided on the projections so as to increase the area where phosphor adheres and thereby to increase the luminance. A couple of substrates are opposed to each other to form a discharge space. Band-like partitions partitioning the discharge space are arranged on the back or front substrate. Wall-like projections lower than the partitions and high enough to increase the area where phosphor layers are formed are provided in the region where the discharge space is formed in the long grooves between the partitions or around the discharge space. Phosphor layers are formed in the grooves between the partitions including the wall-like projections. A method for producing such a plasma display panel is also disclosed. | 2010-08-12 |
20100201250 | METHOD OF PRODUCING ILLUMINANTS CONSISTING OF ORTHOSILICATES FOR pcLEDs - The invention relates to a process for the preparation of phosphors of the formula I | 2010-08-12 |
20100201251 | FIELD EMISSION DISPLAY AND MANUFACTURING METHOD OF THE SAME HAVING SELECTIVE ARRAY OF ELECTRON EMISSION SOURCE - The present invention relates to a field emission display and a manufacturing method of the same having selective positioning of electron field emitters. More specifically, the present invention provides a field emission display and a manufacturing method of the same having selective positioning of electron field emitters which can prevent a cross-talk that is a mutual interference phenomenon between pixels and improve uniformity of pixels based on uniform electron emission by deciding positions of carbon nano-tubes which are sources of electron emission and growing carbon nano-tubes before the structure of electrodes is formed, and forming spacers directly on electrodes such that the spacers divide carbon nano-tubes formed uniformly and selectively into pixel units. | 2010-08-12 |
20100201252 | FIELD EMISSION LAMP - A field emission lamp includes a transparent glass tube, a cathode, and an anode. The anode and cathode are both disposed in the transparent glass tube. The cathode includes an electron emission layer. The anode includes a carbon nanotube transparent conductive film located on an inner wall of the transparent glass tube and a fluorescent layer located on the carbon nanotube transparent conductive film. | 2010-08-12 |
20100201253 | DISPLAY DEVICE WITH CHIPLETS AND LIGHT SHIELDS - A light-emitting diode display device includes a transparent substrate; a plurality of chiplets located over the substrate between a transparent electrode and the substrate, each chiplet including drive circuitry for driving pixels to emit light and including a storage capacitor for storing charge and wherein light illumination of at least a portion of the drive circuit causes the capacitor to leak charge; a connection pad forming a first light shield separate from the drive circuitry located on the surface of each chiplet disposed over the drive circuitry and substantially shielding at least a portion of the drive circuitry from illumination, the connection pad electrically connected to the drive circuitry, and a second light shield disposed under the drive circuitry between the drive circuitry and the substrate to shield at least a portion of the drive circuitry from illumination. | 2010-08-12 |
20100201254 | LIGHT EMITTING ELEMENT AND LIGHT EMITTING DEVICE USING THE LIGHT EMITTING ELEMENT - The light emitting element includes a first electrode and a second electrode opposite each other and electrically connected respectively to a first conductive-type layer and a second conductive type layer constituting a semiconductor structure. The first electrode has a pair of electrode extending portions disposed opposite each other on an electrode forming surface over the first conductive-type layer which is positioned at the light extracting side. In the opposing direction of the pair of electrode extending portions, a half distance I | 2010-08-12 |
20100201255 | Organic electroluminescence device - An organic electroluminescence device comprising a pair of electrodes and a layer of an organic light emitting medium disposed between the pair of electrodes, wherein the layer of an organic light emitting medium comprises a mixed layer comprising (A) at least one hole transporting compound and (B) at least one electron transporting compound, an energy gap of the hole transporting compound represented by Eg1 and an energy gap of the electron transporting compound represented by Eg2 satisfy a relation: Eg12010-08-12 | |
20100201256 | Top-Emission Organic Light-Emitting Devices with Microlens Arrays - Embodiments of the invention can provide organic light-emitting devices (OLEDs) with enhanced outcoupling efficiency. Specific embodiments can enhance the outcoupling efficiency by more than four times. Embodiments of the invention incorporate microlens | 2010-08-12 |
20100201257 | TRIAZINE RING-CONTAINING POLYMER COMPOUND AND ORGANIC LIGHT-EMITTING ELEMENT USING THE POLYMER COMPOUND - The polymer compound of the present invention is characterized by comprising a constitutional unit derived from a compound represented by the formula (1): | 2010-08-12 |
20100201258 | ORGANIC LIGHT-EMITTING ELEMENT USING TRIAZINE RING-CONTAINING POLYMER COMPOUND - The organic light-emitting element of the present invention is an organic light-emitting element constituted by arranging a light-emitting layer between an anode and a cathode, and is characterized in that the light-emitting layer contains a polymer compound comprising a constitutional unit derived from an electron transport polymerizable compound represented by the following formula (1) and a constitutional unit derived from a phosphorescent polymerizable compound; | 2010-08-12 |
20100201259 | COMPOUND AND METHOD FOR PRODUCING THE SAME, AND INK COMPOSITION, THIN FILM, ORGANIC TRANSISTOR AND ORGANIC ELECTROLUMINESCENCE DEVICE, EACH USING THE SAME - A compound comprises a structure represented by the following general formula (1) (including a structure of a residue obtained by removing at least one hydrogen atom from the structure represented by the following general formula (1)) | 2010-08-12 |
20100201260 | LIGHT EMITTING DEVICE - When a light emitting element is actuated to allow the light emission, the generation of Joule heat occurs, leading to the decomposition or crystallization of an organic compound to cause the degradation of the light emitting device. Therefore, a light emitting element of the present invention is provided for effecting removing or decreasing the generation of heat. In the present invention, between two electrodes, layers having organic compounds and carbon-based thin films are alternatively laminated one after another for stepping down the driving voltage in the light emitting element using the tunnel effect. In addition, a carbon-based thin film is placed on a film containing an organic compound, so that it prevents the electric filed from being locally concentrated and also prevents the generation of short-circuit between the anode and the cathode. | 2010-08-12 |
20100201261 | ORGANIC LIGHT EMITTING DIODE DISPLAY - An OLED display includes a substrate on which OLEDs are formed, a TFE layer formed on the substrate so as to cover the OLEDs, and absorbers disposed at a distance from each other and preventing or inhibiting penetration of external foreign materials. | 2010-08-12 |
20100201262 | DISPLAY APPARATUS, MANUFACTURING METHOD OF DISPLAY APPARATUS, AND ELECTRONIC DEVICE - A display apparatus includes: a display region provided with a plurality of pixel portions; wires installed to the respective pixel portions within the display region from an outside of the display region and transmitting a signal to drive the respective pixel portions; connection pads provided on the outside of the display region and serving as input portions that provide the wires with a signal while electrically conducting with the wires; switch elements provided on the outside of the display region in a middle of the wires; and a light shielding covering portion shielding the switch elements from light and formed to cover the connection pads while electrically conducting with the connection pads. | 2010-08-12 |
20100201263 | VACUUM DEGASSING BOX OF A FIELD EMISSION DISPLAY - In a vacuum degassing box of a field emission display, the field emission display includes a faceplate, and the faceplate has a chamber and a through opening which is defined on the faceplate and communicated with the chamber. The vacuum degassing box includes a housing and a getter. The through opening of the faceplate is covered by the housing. A contained chamber is formed between the housing and the faceplate, and a rough surface is formed inside the contained chamber. The getter is distributed on the rough surface of the contained chamber. Therefore, a vacuum condition of the vacuum degassing box is kept for a long time to increase use life of the field emission display. | 2010-08-12 |
20100201264 | PLASMA DISPLAY PANEL - A plasma display panel includes a first substrate; a second substrate spaced apart from the first substrate and disposed to face the first substrate; a plurality display electrodes formed on the first substrate; a first dielectric layer formed on the first substrate and disposed to cover the display electrodes; a protective layer formed on the first substrate and disposed to cover the first dielectric layer; and barrier ribs disposed to define discharge cells in between the first and second substrates. At least a portion of the first dielectric layer is colored with a first color, at least portions of the barrier ribs are colored with a second color that is substantially complementary to the first color, and a difference between refractive indices of the first dielectric layer and the protective layer to be less than or equal to 0.5. | 2010-08-12 |
20100201265 | HIGH PRESSURE DISCHARGE LAMP - In a high pressure discharge lamp having electrode rods with grooves formed in a part thereof and embedded and sealed in sealing parts of a discharge vessel, breakage of the sealing parts because of the grooves is prevented without impairing the mechanical strength of the electrode rods, in which the grooves are formed, by the high pressure discharge lamp comprising: a discharge vessel having a light emitting part and sealing parts connected to both ends of said light emitting part; and electrodes comprising electrode rods and electrode tip end parts arranged oppositely to each other in the light emitting part, said electrode rods being embedded in a respective one of said sealing parts, and axially directed grooves being formed in at least part of the surface of said electrode rods, wherein a diameter measured at groove bottom parts of the grooves of said electrode rods is larger than a diameter of the electrode rods in a part where no grooves are formed. | 2010-08-12 |
20100201266 | HIGH PRESSURE DISCHARGE LAMP - To provide a high pressure discharge lamp in which no fusing of the metal foil occurs even if the high pressure discharge lamp is switched on for a certain time a high pressure discharge lamp is provided having a discharge vessel comprised of a light emission part and sealing parts made of glass connected to opposite ends of said light emission part; metal foils buried in a respective one of said sealing parts; a pair of electrodes comprised of core rods and tip end parts, said tip end parts being arranged oppositely to each other in the light emission part; and said core rods being melted and fused together with a respective one of the metals foils; wherein cavities are formed which reach from a surface of a respective one of the metal foils to an interior of the core rod, and the glass constituting said sealing part has entered into said cavities. | 2010-08-12 |
20100201267 | Intelligent Area Lighting System - An area lighting system is composed of a plurality of lighting elements that are responsive to the movement and progression of a user through the area. Each lighting element comprises at least one light, means for powering the lighting element, a processor, communication means and is associated with a motion sensor. Detection of a user is communicated to other lighting elements that provide an appropriate level of illumination depending on the distance from the user. The lighting elements are substantially self-configurable and may be set for either a radial proximity lighting protocol or a path network lighting protocol. | 2010-08-12 |
20100201268 | DISCHARGE LAMP, LIGHT SOURCE DEVICE, AND PROJECTOR - A discharge lamp includes an arc tube made of quartz glass and enclosing a light emitting substance, and an electrode mainly made of tungsten and arranged in the arc tube, the electrode including at least one getter material that binds with oxygen. | 2010-08-12 |
20100201269 | Separate LED Lamp Tube and Light Source Module Formed Therefrom - A lamp tube according to the present invention at least comprises: a tube body, a light-emitting module, a driving module and an electrical connection module. The light-emitting module and the driving module are disposed in the tube body. The light-emitting module is provided with a first circuit board and a plurality of LEDs. The driving module is provided with at least a second circuit board and a drive circuit. The electrical connection module forms an electrical connection between the first and second circuit boards. It is convenient to independently replace or repair the driving module or the light-emitting module without discarding the entire lamp tube so as to effectively save costs and achieve the effects of energy saving and environmental protection. | 2010-08-12 |
20100201270 | LIGHT EMITTING DIODE LIGHT TUBE AND AC SWITCHING POWER SUPPLY THEREOF - The present invention provides a light emitting diode light tube with two ends respectively having a pair of electrode pins for receiving a first and second AC input voltages. The light tube includes an AC switching power supply including a first input rectifier/filter circuit rectifying/filtering the first AC input voltage to generate a first rectified/filtered voltage, and a power conversion circuit coupled to the first input rectifier/filter circuit, and having a second input rectifier/filter circuit rectifying/filtering the second AC input voltage to generate a second rectified/filtered voltage, wherein the power conversion circuit generates a output voltage in response to the first and second rectified/filtered voltages. The AC switching power supply provides a constant output voltage and current to the LED, which avoids flicker in the LED light tube. | 2010-08-12 |
20100201271 | DC ARC PLASMATRON AND METHOD OF USING THE SAME - The present invention concerns a DC arc plasmatron which is a plasma generator at the atmospheric pressure having a structure suitable for improving chemical activity of plasma. | 2010-08-12 |
20100201272 | Plasma generating system having nozzle with electrical biasing - The present invention provides a plasma generating system that includes: a microwave generator for generating microwave energy; a power supply connected to the microwave generator for providing power thereto; a microwave cavity; a waveguide operatively connected to the microwave cavity for transmitting microwave energy thereto; an isolator for dissipating microwave energy reflected from the microwave cavity; and at least one nozzle coupled to the microwave cavity. The nozzle includes: a housing having a generally cylindrical space formed therein, the space forming a gas flow passageway; a rod-shaped conductor disposed in the space and operative to transmit microwave energy along a surface thereof so that the microwave energy excites gas flowing through the space; and a biasing device for providing a bias potential between the rod-shaped conductor and a bias electrode structure wherein the bias electrode structure is offset in potential from ground. | 2010-08-12 |
20100201273 | DIMMER PROTECTION - A lighting installation comprises (a) a lighting load, powered by an AC power supply, said AC power supply having a cycle having a period; and (b) a dimmer comprising a first semiconductor switch operable by the action of a switching voltage to switch a current to the load on and off. In normal operation, the switch may repeatedly switch the current on and switch the current off. The average power delivered to the load is altered by altering the switching on or the switching off so that the current is on for a longer or shorter portion of the period. A method of protecting the dimmer comprises monitoring the current and, when the current exceeds a threshold value, altering the switching voltage to cause the first semiconductor switch to switch off the current. | 2010-08-12 |
20100201274 | ELECTRONIC DEVICE HAVING A PLURALITY OF LIGHT EMITTING DEVICES - The present invention relates to a solid state lighting system which comprises at least one luminaire controller ( | 2010-08-12 |
20100201275 | LIGHT SENSING IN DISPLAY DEVICE - A method for controlling an OLED display includes providing an OLED device and a controller, measuring and communicating the amount of ambient and emitted OLED light incident upon an array of photosensors distributed over the display area for measuring the incident light, operating the OLED pixels with at least one calibration image and forming an OLED compensation map in response to a first measured incident light, receiving a second incident light measurement and forming an ambient illumination map, receiving and compensating an image and driving the OLED pixels with the compensated image, receiving a third incident light measurement and forming large-area average values and small-area average values, and comparing the large-area average values and the small-area average values to a predetermined criterion, and determining the location of one or more light occlusions or reflections. | 2010-08-12 |
20100201276 | Method for saving power consumption of position sensitive detector - The present invention discloses a method for saving power consumption of a position sensitive detector used in a smart bathroom product. An infrared light emitting device included in the position sensitive detector has infrared light emitting modes of at least two strengths. The position sensitive detector determines the emitting strength to be adopted by the infrared light emitting device at the time of next infrared light emission based on the comparison between the strength of the reflected infrared signal received by the infrared light receiving device and a preset value set in the position sensitive detector. Thus, by switching between different emitting strength modes, the infrared light emitting device is made to use an emitting mode with a weak strength in the case that no one is using the position sensitive detector, thereby effectively decreasing the power consumption of the position sensitive detector in its operation. | 2010-08-12 |
20100201277 | DISPLAY DEVICE AND ELECTRONIC MACHINE HAVING THE SAME - A display device capable of detecting the light intensity of ambient light with high accuracy is disclosed. The display device has a backlight light source and a photo sensing unit. The display device also includes a voltage supply unit for providing a voltage, which makes the photo sensing unit output a certain amount of photocurrent to the photo sensing unit; and a supply voltage control unit for modulating the voltage supplied to the photo sensing unit based on the operation status of the backlight light source. The supply voltage control unit controls the voltage supply unit by the way of outputting a voltage of a first voltage to the photo sensing unit while the backlight light source is operating; and outputting a voltage of a second voltage, which is different from the first voltage, to the photo sensing unit while the backlight light source is not operating. | 2010-08-12 |
20100201278 | SERIAL CONFIGURATION FOR DYNAMIC POWER CONTROL IN LED DISPLAYS - A power management technique in a light emitting diode (LED) system is disclosed. The LED system includes a plurality of LED driver connected in series, each LED driver configured to regulate the current flowing through a corresponding subset of a plurality of LED strings. Each LED driver determines the minimum tail voltage of the LED strings of the corresponding subset, compares the determined minimum tail voltage with an indicator of a minimum tail voltage of one or more other subsets provided from an upstream LED driver in the series, and then provides an indicator of the lower of the two tail voltages to the downstream LED driver. In this manner an indicator of the minimum tail voltage of the plurality of LED strings is cascaded through the series. A feedback controller monitors the minimum tail voltage represented by the cascaded indicator and accordingly adjusts an output voltage provided to the head ends of the plurality of LED strings. | 2010-08-12 |
20100201279 | SERIAL CASCADE OF MINIMIUM TAIL VOLTAGES OF SUBSETS OF LED STRINGS FOR DYNAMIC POWER CONTROL IN LED DISPLAYS - A light emitting diode (LED) system implements a power management technique. The LED system includes a plurality of LED drivers connected in series, each LED driver configured to regulate the current flowing through a corresponding subset of a plurality of LED strings. Each LED driver determines the tail voltages of the one or more LED strings of the corresponding subset. Each LED driver, except for the first LED driver in the series, also receives a voltage representative of the minimum tail voltage of the other subsets regulated by the upstream LED drivers. Each LED driver then provides the lowest of the voltage received from the upstream LED driver and the one or more tail voltages of the corresponding subset to the downstream LED driver. In this manner a voltage representative of the minimum tail voltage of the plurality of LED strings is cascaded through the series. A feedback controller monitors the minimum tail voltage represented by this cascaded voltage and accordingly adjusts an output voltage provided to the head ends of the plurality of LED strings. | 2010-08-12 |
20100201280 | ELECTRICALLY ISOLATED VERTICAL LIGHT EMITTING DIODE STRUCTURE - A light emitting device is provided having high luminous output while maintaining high wall plug efficiency, wherein the high thermal and electrical conductivity paths of the device are separated during the semiconductor wafer and die level manufacturing step. The device includes an electrical conducting mirror layer, which reflects at least 60% of generated light incident on it, and an isolation layer having electrical insulating properties and thermal conducting properties. A first electrode, which is not in contact with the main semiconductor layers of the device, is located on the mirror layer. A light emitting module, system and projection system incorporating the light emitting device are also described, as is a method of manufacture of the device. | 2010-08-12 |
20100201281 | DISCHARGE LAMP LIGHTING DEVICE, METHOD OF DRIVING DISCHARGE LAMP, AND PROJECTOR - In at least one embodiment of the disclosure, a discharge lamp lighting device includes a discharge lamp driving unit that drives a discharge lamp by supplying an AC driving current to the discharge lamp. A memory unit is configured to store driving parameters for the AC driving current. A control unit is configured to control the discharge lamp driving unit based on the driving parameters stored in the memory unit. The driving parameters comprise a range of holding time values, each holding time value representing a time period in which the AC driving current is to be continuously maintained at a same polarity. Upon a predetermined time condition, the control unit selects one of the holding time values based on a predetermined probability and controls the discharge lamp driving unit based on the selected holding time value. | 2010-08-12 |
20100201282 | LIGHT EMITTING DIODE DRIVING DEVICE AND DRIVING METHOD THEREOF - A light emitting diode driving device and driving method thereof are provided. The light emitting diode driving device includes a duty cycle setup unit, a current setup unit, a control unit, and a light emitting diode driving circuit. The duty cycle setup unit is used for outputting duty cycle setup signal. The current set up unit is used for outputting a current setup signal. The control unit is used for receiving the duty cycle setup signal and the current setup signal, and outputting a current control signal and a duty cycle control signal in response to the duty cycle setup signal and the current setup signal. The light emitting diode driving circuit is used for driving at least one light emitting diode in response to the current control signal and the duty cycle control signal. | 2010-08-12 |
20100201283 | DRIVING DEVICE - A driving device comprises a first transistor (B | 2010-08-12 |
20100201284 | ILLUMINATING DEVICE WITH LIGHT BUFFER - A light-emitting device may include at least one light source, which is configured for at least one of AC and PWM operation; and at least two optical buffers for absorbing light energy from the light source and for temporally delayed emission of the stored luminous energy, wherein the at least two optical buffers have different relaxation times and are sensitive to different wavelengths. | 2010-08-12 |
20100201285 | CIRCUIT ARRANGEMENT FOR CONVERSION OF AN INPUT AC VOLTAGE TO A DC VOLTAGE, RETROFIT LAMP HAVING A CIRCUIT ARRANGEMENT SUCH AS THIS, AS WELL AS A LIGHTING SYSTEM - A circuit arrangement for conversion of an input AC voltage to a DC voltage is provided. The circuit arrangement may include an input into which the input AC voltage is input; an output to which a load can be connected; and a first storage circuit and a second storage circuit, each storage circuit comprising at least one inductance and each comprising at least one capacitance, and a diode network. | 2010-08-12 |
20100201286 | OPTICAL INTEGRATING CAVITY LIGHTING SYSTEM USING MULTIPLE LED LIGHT SOURCES - A system to provide radiant energy of selectable spectral characteristic (e.g. a selectable color combination) uses an integrating cavity to combine energy of different wavelengths from different sources. The cavity has a diffusely reflective interior surface and an aperture for allowing emission of combined radiant energy. Sources of radiant energy of different wavelengths, typically different-color LEDs, supply radiant energy into the interior of the integrating cavity. In the examples, the points of entry of the energy into the cavity typically are located so that they are not directly visible through the aperture. The cavity effectively integrates the energy of different wavelengths, so that the combined radiant energy emitted through the aperture includes the radiant energy of the various wavelengths. The apparatus also includes a control circuit coupled to the sources for establishing output intensity of radiant energy of each of the sources. Control of the intensity of emission of the sources sets the amount of each wavelength of energy in the combined output and thus determines a spectral characteristic of the radiant energy output through the aperture. | 2010-08-12 |
20100201287 | Method and Apparatus for Achieving Inherent Ignition Voltage in Operation of a High Intensity Discharge Lamp - A high intensity discharge lamp, such as a high power sodium or metal halide lamp, having an electronic ballast. The electronic ballast may incorporate resonance-based circuitry for achieving an ignition state via a frequency sweeping step, the particular ignition voltage being inherent to the operational state of the high intensity discharge lamp. The operating state of the lamp may be sensed in order to apply power and voltage levels appropriate for steady state operation. | 2010-08-12 |
20100201288 | NVG Compatible Illumination Device Based on Light-Emitting Diodes - The general field of the invention is that of illumination devices compatible with the use of night vision goggles comprising a light intensifier. The device according to the invention comprises a carpet of three types of light-emitting diodes called green diodes, blue diodes and red diodes emitting in three different spectral bands centred respectively on a first wavelength situated in the green, a second wavelength situated in the blue and a third wavelength situated in the red. The device comprises an optical plate disposed above the carpet of diodes, the zones situated above certain of the red diodes comprising an interferential filter whose optical transmission has a cutoff wavelength situated in the red in the vicinity of 630 nanometres, the height of the interferential filter above the diode and the shape of the filter being chosen so as to filter in part the light emitted by the red diode so as to be compatible with the use of night vision goggles. | 2010-08-12 |
20100201289 | HIGH-SPEED ELECTROSTATIC ACTUATION OF MEMS-BASED DEVICES - A micro-electro mechanical device includes a first structure, a second structure offset from the first structure by a gap. The first structure is configured to be electrostatically actuated to deflect relative to second structure. A pulse generator is configured to combine at least two different pulses to electrostatically drive at least one of the first structure and the second structure between an initial position and a final position. | 2010-08-12 |
20100201290 | PIEZOELECTRIC ACTUATOR FAULT RECOVERY SYSTEM AND METHOD - The present invention provides a system and method of piezoelectric fault recovery comprising: monitoring a set of operational piezoelectric elements of a piezoelectric actuator, detecting a failure of an element of the set, removing the failed element from the set, and rerouting the drive signal sent to the element according to a predetermined behavior preference. | 2010-08-12 |
20100201291 | MULTI-ELEMENT PIEZOELECTRIC ACTUATOR DRIVER - A multi-element piezoelectric actuator and driver is presented that allows greater control over the dynamic displacement response of a piezoelectric actuator. A system comprises a piezoelectric driving apparatus configured to transmit a plurality of waveform signals to a corresponding plurality of piezoelectric elements of a piezoelectric actuator. The piezoelectric driving apparatus comprises a waveform generator to generate a waveform configured to operate a piezoelectric element, a plurality of channels coupled to the waveform generator and configured to be electrically coupled the piezoelectric elements of the piezoelectric actuator, a channel comprising an input configured to receive a waveform, a driving amplifier electrically coupled to the input and configured to amplify the waveform, and an output configured to transmit the waveform and configured to be electrically coupled to a piezoelectric element. | 2010-08-12 |
20100201292 | ELECTROSTATIC DRIVE, METHOD FOR OPERATING A MICROMECHANICAL COMPONENT HAVING AN ELECTROSTATIC DRIVE, AND METHOD FOR MANUFACTURING AN ELECTROSTATIC DRIVE - An electrostatic drive having at least three intermediate frames, each two adjacent intermediate frames being connected to one another via at least one intermediate spring whose longitudinal directions lie on a first axis of rotation, and intermediate electrode fingers being situated on frame girders oriented parallel to the first axis of rotation of the intermediate frames, and having an outer frame that surrounds the intermediate frames and that is connected to the outermost intermediate frame via at least one outer spring whose longitudinal direction lies on a second axis of rotation that is oriented non-parallel to the first axis of rotation, and outer electrode fingers being situated on frame girders oriented parallel to the second axis of rotation of the outer frame and of the outermost intermediate frame of the at least three intermediate frames. In addition, a micromechanical component having this electrostatic drive, a method for operating such a micromechanical component, and methods for manufacturing the electrostatic drive and the micromechanical component are described. | 2010-08-12 |
20100201293 | ROTARY ELECTRIC MACHINE CONTROL SYSTEM - A rotary electric machine control system includes a battery electric power calculation unit for calculating battery electric power that is supplied from the battery; a torque limitation unit for limiting an output torque of the rotary electric machine; and a battery electric power abrupt variation estimation unit for estimating that the battery electric power is in an abrupt variation state in which the battery electric power is varying abruptly on the basis of at least one of a variation rate of the battery electric power and a variation rate of a rotational speed of the rotary electric machine. | 2010-08-12 |
20100201294 | VARIABLE MAGNETIC FLUX DRIVE SYSTEM - A variable magnetic flux motor drive system includes: a variable magnetic flux motor having a variable magnet which is a low-coercive permanent magnet; an inverter that drives the variable magnetic flux motor | 2010-08-12 |
20100201295 | MOTOR DRIVING CIRCUIT AND DISC APPARATUS USING THE SAME - A back electromotive detection comparator compares back electromotive voltages Vu to Vw with a common voltage Vn of coils, and generates first rectangular wave signals Pu to Pw. A masking circuit performs masking of the first rectangular wave signals Pu to Pw, and outputs the resultant signals as second rectangular wave signals Mu to Mw. An output circuit supplies a drive current to coils on the basis of the second rectangular wave signals Mu to Mw. A frequency generating circuit generates a frequency generation signal SigFG whose level switches at every edge of the second rectangular wave signals Mu to Mw. A mask signal generating circuit generates a mask signal MSK which is at a high level during an interval multiplied by a coefficient to a pulse width Tp of the frequency generation signal SigFG after level transition of the frequency generation signal SigFG. The masking circuit nullifies level fluctuation of the first rectangular wave signals Pu to Pw during an interval when a mask signal MSK is at the high level. | 2010-08-12 |
20100201296 | Brushless DC Electric Motor - The invention relates to electrical engineering and can be used, in particular, in electric drives of mechanisms used in dental equipment. A brushless DC electric motor comprises an electromechanical converter ( | 2010-08-12 |
20100201297 | METHOD FOR CONTROL OF SYNCHRONOUS ELECTRICAL MOTORS - Method for control of synchronous electrical motors that enables determining continuously in time the motor load angle and speed of rotation without using additional rotor position sensors. The method is realized with solving the set of differential equations that govern the currents and the voltages in the stator windings of the motor for the time intervals between each two consecutive reachings of the currents in the windings to their set values and deriving relationships between the induced in the windings back-electromotive force voltages and the parameters of the Pulse Width Modulation. The parameters of the Pulse Width Modulation are measured and stored in memory and based on the derived relationships the values of the back-electromotive force voltages are calculated at every moment in time and from these values subsequently the values of the load angle and the angular rotor speed of the motor are calculated. | 2010-08-12 |
20100201298 | ELECTRIC DRIVE AND METHOD FOR CONTROLLING IT - An electric drive ( | 2010-08-12 |
20100201299 | METHOD AND DEVICE FOR CONTROLLING AN ELECTRIC MOTOR - The invention provides a method and a device for controlling an electric motor using pulse-width modulated control signals. Control pulses having a setpoint duty factor and temporally varying pulse widths and pulse spacing are generated in the process, the temporally varying pulse widths and pulse spacing being selected as a function of a load and/or thermal loading of the electric motor and/or its control device. | 2010-08-12 |
20100201300 | Control Techniques for Motor Driven Systems - Embodiments of the present invention provide a motor-driven mechanical system with a detection system to measure properties of a back channel and derive oscillatory characteristics of the mechanical system. Uses of the detection system may include calculating the resonant frequency of the mechanical system and a threshold drive D | 2010-08-12 |
20100201301 | CONTROL TECHNIQUES FOR MOTOR DRIVEN SYSTEMS - Embodiments of the present invention provide a drive signal for a motor-driven mechanical system whose frequency distribution has zero (or near zero) energy at the expected resonant frequency of the mechanical system. The drive signal may be provided as a pair of steps sufficient to activate movement of the mechanical system and then park the mechanical system at a destination position. The steps are spaced in time so as to have substantially zero energy at an expected resonant frequency f | 2010-08-12 |
20100201302 | CONTROL TECHNIQUES FOR MOTOR DRIVEN SYSTEMS - A drive signal for a motor-driven mechanical system has zero (or near zero) energy at an expected resonant frequency of the mechanical system. The drive signal may be provided in a series of steps according to a selected row of Pascal's triangle, wherein the number of steps equals the number of entries from the selected row of Pascal's triangle, each step has a step size corresponding to a respective entry of the selected row of Pascal's triangle, and the steps are spaced from each other according to a time constant determined by an expected resonant frequency of the mechanical system. Alternatively, the stepped drive signal may be provided as a series of uniform steps according to a selected row of Pascal's triangle, in which the steps are provided in a number of spaced intervals corresponding to the number of entries from the selected row of Pascal's triangle, each interval includes a number of steps corresponding to a respective entry from the selected row of Pascal's triangle and the intervals are spaced in time according to a time constant determined from the expected resonant frequency of the mechanical system. These techniques not only generate a drive signal with substantially no energy at the expected resonant frequency, they provide a zero-energy “notch” of sufficient width to tolerate systems in which the actual resonant frequency differs from the expected resonant frequencies. | 2010-08-12 |