| 14th week of 2010 patent applcation highlights part 16 |
| Patent application number | Title | Published |
|---|
| 20100084916 | Systems and Methods For The Utilization Of Energy Generated By A Powered Vehicle - The present invention is directed to a power transfer system and method for utilizing the electrical power generated by a powered vehicle, such as a locomotive. The power transfer system comprises an electromotive machine configured to generate electrical energy on the powered vehicle and an electrical system located outboard from the powered vehicle, which is configured to receive electrical energy. Interface equipment is provided, which is electrically coupled to the electromotive machine and the electrical system, to transfer electrical energy from the electromotive machine to the electrical system. | 2010-04-08 |
| 20100084917 | Power adaptor - A power adaptor including a USB connector, a DC power input port, a DC power output port and a DC/DC voltage regulator. The DC power output port is electrically connected to the DC power input port. The DC/DC voltage regulator is electrically connected to the USB connector and the DC power input port for lowering the voltage of the power input from the DC power input port and outputting the power to the USB connector. The power adaptor is adaptable to a notebook computer charger to charge another portable electronic product such as a mobile phone, a PDA or an iPod. The charging process can be performed without powering on the notebook computer so as to facilitate use and save energy. | 2010-04-08 |
| 20100084918 | POWER SYSTEM - The present invention provides methods and apparatus for reducing power consumption. One method includes detecting the presence of an object, identifying whether the object is a valid device and restricting power if its not a valid device. Another method includes temporarily applying a low amount of power to the primary unit to detect a load, supplying more power to determine if its a valid secondary device, and restricting power if its not. An apparatus for reducing power consumption includes two power inputs, where the lower power input powers a sense circuit. A switch selectively decouples the higher power input from the primary subcircuit during detection mode and couples the higher power input to the primary subcircuit during power supply mode. | 2010-04-08 |
| 20100084919 | REPLACEMENT SYSTEM OF DISTRIBUTION TRANSFORMERS AND LOW-VOLTAGE POWER LINE WITHOUT OUTAGE - Disclosed herein is a replacement system of a distribution transformer and a low-voltage power line without outage. A distribution-line uninterruptible power supply includes a transformer primary bypass cable, a transformer secondary bypass cable, and a low-voltage power line bypass cable. Further, the uninterruptible power supply includes a combined phase-shifter and three-phase transformer, a transformer primary bypass switch, a transformer secondary bypass switch, a phase-based power adjuster, an energy converter, and a three-phase AC/DC converter. The capacity of the target transformer can be extended to one and half times that of the existing transformer. The energy conversion process of this system allows the utilization ratio of the transformer to be adjusted according to the phases, and has an advantage of extending the replaceable range at a low voltage without outage. Practical equipment can be secured at a low cost by replacing only the transformer in the existing uninterruptible power supply. | 2010-04-08 |
| 20100084920 | Power Line Energy Harvesting Power Supply - A current transforming harvester (“CTH”) is capable of producing power from a conductor on a preexisting power grid without alteration of the conductor or the preexisting power grid. The CTH includes a current transformer (“CT”) that captures energy via magnetic flux from the conductor. The CT is substantially circular and includes two halves called a “split core,” which allow the CT to easily attach to the conductor without opening the circuit in which the conductor operates. A clamping mechanism of the CTH may secure the CTH to the conductor via a pair of spring-biased clamp pads. The CTH includes circuitry that converts the magnetic flux energy captured by the CT into electrical energy suitable for consumption by an electrical device. | 2010-04-08 |
| 20100084921 | Universal Power Inlet System for Power Distribution Units - The Universal Power Inlet System, or UPIS, is a method of providing universal attachment of 3 different types of electrical power systems into the input circuitry of a Power Distribution Unit, or PDU. This method allows use of either fixed or detachable power cord options permitting the PDU to be powered by any of the following types of electrical power sources: 3-Phase Delta, 3-Phase Star (or Wye) and Single-Phase. This method also describes a way to uniquely identify the specific power system the mentioned PDU is currently attached to. The method also optionally allows derivation of supplementary information about the electrical power system such as current capacity, or ampacity, of the power cord being used. All this information can be used for capacity monitoring and reporting as well as protection of PDU circuitry and power cords. | 2010-04-08 |
| 20100084922 | Three-Level Inverter - The present invention provides a three-level inverter including first and second direct voltage generators connected in series, each between a common center point and first and second end points, and first and second switching arms. Each of the first and second switching arms are connected between a respective one of the first and second end points and an output point and include at least one IGBT transistor. The IGBT transistors of the first and second switching arms are in series between the first and second end points. Each of the IGBT transistors includes an antiparallel-connected diode. The three-level inverter also includes a third switching arm which includes two IGBT transistors connected head-to-tail. Each head to tail transistor includes an antiparallel-connected diode. | 2010-04-08 |
| 20100084923 | FUEL CELL SYSTEM - To provide a fuel cell system capable of efficiently transmitting electric power output from a battery to a load. A control unit | 2010-04-08 |
| 20100084924 | APPARATUS AND METHOD FOR PRODUCING AC POWER - A multi-input electrical power conversion device is provided for converting multiple DC energies each arising from different junctions in a multi-junction solar cells into AC energy. The device includes a plurality of electrical inputs for receiving the multiple DC energies from at least one multi junction solar cell. The number of DC energies id no less than the number of junctions in the multi-junction solar cell. The device also includes at least one DC-to-AC circuit for receiving the multiple DC energies from the plurality of electrical inputs and at least one electrical output receiving at least one AC energy from the DC to AC circuit. The device also includes at least one MPPT circuit operatively coupled to the DC to AC circuit. | 2010-04-08 |
| 20100084925 | Underwater substation - An underwater substation pod (USP) adapted to collect and process the electrical outputs of an array of offshore power generating devices includes a voltage boosting transformer for combining and transmitting with increased efficiency an amplified version of the collected electrical outputs to an on shore facility. Combining the outputs and transmitting at a higher voltage reduces transmission losses and the number of cables required to transmit the electrical outputs. The USP is mounted on the seabed but operated at atmospheric pressure to accommodate standard components. The pod may be designed to include remotely controlled operation and to have a long service life since few, if any, moving parts are used. Also, the equipment may be designed to have a high degree of redundancy to provide greater reliability. | 2010-04-08 |
| 20100084926 | CIRCUIT ASSEMBLY INCLUDING A POWER SEMICONDUCTOR MODULE AND A CONTROLLER - A circuit assembly includes a power semiconductor module and, arranged externally thereto, a controller wherein the power semiconductor module comprises at least one controllable power semiconductor as well as at least one driver gating the latter, and controller and power semiconductor module each comprising a transceiver configured to communicate control signals between the controller and the power semiconductor module via an electromagnetic communication link unidirectionally or bidirectionally. | 2010-04-08 |
| 20100084927 | R.Q.1 - The R.Q. 1 is design for inside and outside area's. It is also a design that can be used as a remote control device. The RQ 1 is a rolling and/or portable dry anaerobic cycle machine that is environmental friendly a working prototype model. The system is design for entertainment capabilities with multiple tasks, and standard plug-ins. | 2010-04-08 |
| 20100084928 | OSCILLATION TYPE ELECTROMAGNETIC POWER GENERATOR AND METHOD FOR MANUFACTURING OSCILLATION TYPE ELECTROMAGNETIC POWER GENERATOR - A specific condition for enhancing the power generation efficiency of an oscillation type electromagnetic power generator is disclosed. Solenoid coils constituting the oscillation type electromagnetic power generator are wound in directions opposite to each other with a predetermined coil gap therebetween. Adjacent magnets of a movable magnet are connected to each other via a spacer having a predetermined thickness in such a manner that poles with the same polarity are opposed to each other. A coil pitch which is the total dimension of the coil length of one solenoid coil and the coil gap and a magnet pitch which is the total dimension of the magnet length of one magnet of the movable magnet and the thickness of the spacer are almost equal to each other, and the coil length is shorter than the magnet length. | 2010-04-08 |
| 20100084929 | LINEAR MOTOR FOR LINEAR COMPRESSOR - The present invention relates to a linear motor for a linear compressor reciprocating a moving member linearly inside a stationary member to compress refrigerant, and more particularly, to a linear motor for a linear compressor capable of decreasing an iron loss of a flux generated when a current flows in a coil and increasing an inductance. A linear motor for a linear compressor includes an inner stator formed by stacking core blocks in a circumference direction to be insulated from each other, an outer stator formed by arranging core blocks in a circumference direction at a predetermined intervals, and winding a coil around the core blocks, and a plurality of permanent magnets formed between the inner stator and the outer stator with a predetermined gap, and reciprocated linearly due to a mutual electromagnetic force. | 2010-04-08 |
| 20100084930 | SPINDLE MOTOR - A spindle motor is disclosed that is capable of mitigating vibration caused by eccentricity of a disk and a turn table due to optimization of a cross-sectional area occupied by balls relative to that of a space in which the balls are stored. | 2010-04-08 |
| 20100084931 | MOTOR WITH WIRE FIXING PLATE - A motor with a wire fixing plate, has a stator core, a stator winding, a lead wire, and a wire fixing plate including multiple fixed portions. The wire fixing plate is made of insulating plastics, and the lead wire is fixed on the wire fixing plate via the fixed portions. The motor features firm fixation and good insulating property of a lead wire and a simple production process. | 2010-04-08 |
| 20100084932 | Cooling Fan having Oil-impregnated Bearing - A cooling fan with oil-impregnated bearing includes a bearing seat having a bearing housing; a bearing rightly fitted in the bearing housing with a colloidal material applied between them to maintain dimensional precision of the bearing and the bearing housing; and a fan hub mounted on and around the bearing housing with a rotary shaft extended through the bearing. The bearing housing has a distal end integrally formed into a retaining section to prevent leakage of lubricating oil, and a proximal end having a bottom cap tightly fitted therein with a colloidal material applied between the bearing housing and the bottom cap. The bearing is formed at positions near the retaining section and the bottom cap with an oil receiving space each to minimize loss of lubricating oil. A supporting plate is provided in the bottom cap to support the rotary shaft, allowing the fan hub to rotate stably. | 2010-04-08 |
| 20100084933 | ELECTRIC COMPRESSOR - To provide an electric compressor in which the occurrence of shrink-fitting failures can be prevented when a stator is shrink-fitted in a motor case. Provided are a casing ( | 2010-04-08 |
| 20100084934 | INNER-ROTOR BRUSHLESS MOTOR - An inner-rotor brushless motor includes a holding member configured to hold a stator core. The holding member includes a mounting surface disposed perpendicular to a shaft and brought into contact with a mating member in which the inner-rotor brushless motor is installed; bent portions integrated with the mounting surface, bent upward so as to be substantially perpendicular to the mounting surface, and configured to hold the outer circumferential surface of the stator core; and mounting flanges used for fastening the motor to the mating member. The mounting surface, the bent portions, and the mounting flanges are integrated with each other. | 2010-04-08 |
| 20100084935 | PERMANENT MAGNET SYNCHRONOUS MOTOR AND DRIVE SYSTEM - A hybrid motor for powering a compressor of a chiller system includes a first rotor portion and a first stator portion configured as a permanent magnet motor and a second rotor portion and a second stator portion configured as a reluctance motor. The second rotor portion includes a reluctance-type rotor, and the second stator portion includes electromagnetic windings capable of inducing a rotary magnetic field. The first rotor portion and the second rotor portion are attached to a common drive shaft. The reluctance motor is arranged to generate start-up torque and initiate rotation of the drive shaft until the drive shaft achieves a predetermined rotational speed. The permanent magnet motor is arranged to power the drive shaft between the predetermined rotational speed and a maximum rotational speed. | 2010-04-08 |
| 20100084936 | Generic Crimped Rotor for an Electric Brushless Direct Current Motor - A rotor having a substantially cylindrical configuration for use in a brushless direct current electric motor having a high torque to size ratio. The rotor has an outer peripheral surface. The rotor also has a central rotor shaft and a first and second retaining ends mounted on the central rotor shaft and spaced from one another. The rotor also has a plurality of magnets configured to provide a magnetic flux with a stator disposed around the central rotor shaft. The magnets are radially disposed on the shaft and the rotor also has a sheath. The sheath is crimped around the radially disposed permanent magnets, and holds the magnets around the shaft. The sheath is lightweight and minimizes a gap between the permanent magnets and the stator to provide for an electromagnetic flux between the magnets and the stator windings, and for rotation of the central rotor shaft. | 2010-04-08 |
| 20100084937 | MOTOR WITH LOBED ROTOR HAVING UNIFORM AND NON-UNIFORM AIR GAPS - A motor having a rotor including first outer surface segments providing uniform air gaps and second outer surface segments providing non-uniform air gaps. The rotor has an outer surface contour comprising a number of first outer surface segments defined by arcs having a first radius centered on a central longitudinal axis and a number of second outer surface segments defined by lines other than arcs having a first radius centered on a central longitudinal axis. | 2010-04-08 |
| 20100084938 | REGENERATIVE MOTOR AND COIL - This invention presents a highly efficient electric motor which can he embodied in several configurations, including a standard motor, a hub motor, a linear motor, or other motor configuration. As a regenerative device, the motor may also act as a part-time or full-time electrical generator. There is provided a motor composed of a stator and a rotor. The stator has an array of coils arranged therein. The rotor has an array of magnets arranged therein. Each of the coils includes a first winding of wire wrapped around a core, and the wire has a non-circular cross-section. The wire can be a flattened wire. | 2010-04-08 |
| 20100084939 | ELECTRIC MOTOR APPARATUS - An electric motor apparatus providing increased output torque and allowing rotation in a predetermined direction includes a rotor | 2010-04-08 |
| 20100084940 | MOTOR STATOR - A motor stator includes a silicon steel seat wound with six sets of starting coils and six sets of operating coils formed with resistance enameled coils. The six sets of starting coils are respectively made of the resistance enameled coils in directions respectively of getting in a first notch and out a fifth notch of the silicon steel seat, getting in a second notch and out a sixth notch, getting in a third notch and out a seventh notch, getting in an eleventh notch and out a seventh notch, getting in a twelfth notch and out an eighth notch, and getting in a first notch and out a ninth notch. And the six sets of operating coils are respectively composed of the resistance enameled coils in directions respectively different from the winding directions of the six sets of starting coils, able to quickly and evenly complete winding work. | 2010-04-08 |
| 20100084941 | MINIATURE MOTOR, AND ITS MANUFACTURING METHOD - A type-A winding represented by a triangle of solid lines is connected to commutator segments such that its one end is connected to an arbitrary commutator segment and its other end is connected to a commutator segment adjacent to the arbitrary commutator segment. A type-B winding represented by a diamond of broken lines is connected to commutator segments such that its one end is connected to a commutator segment located radially opposite to a usual adjacent commutator segment. The type-A windings and the type-B windings are used in combination. One short circuit wire is used for every short circuit connection of radially opposed commutator segments. A total number of the short circuit wires is half (5) the number (10) of commutator segments. Thus, the number of electric wires hooked at every commutator segment can be reduced to two or less. Also, continuous winding by use of one or two wires is possible. | 2010-04-08 |
| 20100084942 | ROTATING ELECTRIC MACHINE - A rotating electric machine is provided, where a generator has an increased capacity and a reduced size achieved by electromagnetically effectively utilizing that parts of a rotor core which are outside the narrowest parts of magnetic poles of the rotor core to permit large field current and suppress an increase in temperature of rotor coils. The rotating electric machine includes a stator constructed by winding armature coils around a stator core ( | 2010-04-08 |
| 20100084943 | MOLDED COMMUTATOR, METHOD OF MANUFACTURING THE SAME, AND MOTOR USING THE SAME - The molded commutator has commutator segments; cylindrical varistor pins press-fitted between the adjacent commutator segments; and molding material for molding commutator and varistor pins as an integral structure to form a molded commutator. Varistor pins suppress spark voltage between the commutator segments, extending the operating life of the brush. | 2010-04-08 |
| 20100084944 | VIBRATION ACTUATOR - A vibrator ( | 2010-04-08 |
| 20100084945 | CONTROLLABLE COUPLING FORCE - Apparatus for coupling a piezoelectric motor to a moveable body, the motor having a coupling surface for coupling to the moveable body, the apparatus comprising: at least one elastic element that provides at least a portion of a coupling force for pressing the coupling surface of the piezoelectric motor to the moveable body; and at least one shape memory component that is controllable to change shape and/or phase; wherein the at least a portion of the coupling force provided by an elastic element of the at least one elastic element changes responsive to changes in shape and/or phase of the at least one memory component. | 2010-04-08 |
| 20100084946 | ULTRASONIC MOTOR AND CONVEYING APPARATUS HAVING THE SAME - An ultrasonic motor includes a fixed member including a surface, a movable member positioned to face the surface of the fixed member, and an actuator to cause at least a portion of the movable member to contact the surface of the fixed member and cause the movable member to move relative to the fixed member. | 2010-04-08 |
| 20100084947 | High Efficiency Piezoelectric Energy Harvester Having Spiral Structure - The present invention relates to a piezoelectric energy harvester having a high energy transformation efficiency and a low natural frequency. The piezoelectric energy harvester includes an elastic substrate having a spiral spring structure, a first electrode formed on the elastomeric substrate, a piezoelectric film formed on the first electrode and a second electrode formed on the piezoelectric film. | 2010-04-08 |
| 20100084948 | CRYSTAL OSCILLATOR PIECE AND METHOD FOR MANUFACTURING THE SAME - An object of the present invention is to provide a crystal oscillator piece in which the generation of leakage vibration is suppressed, and a method for manufacturing such a crystal oscillator piece. More specifically, a method for manufacturing a crystal oscillator piece according to the present invention includes the steps of forming a first etching mask on an upper surface of a crystal wafer and a second etching mask on a lower surface of the crystal wafer, and forming a vibrating tine by immersing the crystal wafer in an etching solution thereby dissolving crystal portions not covered with the first and second etching masks, wherein the second etching mask is designed to have a first protruding portion protruding from a position corresponding to a first edge of the first etching mask, the first protruding portion being chosen to have such a length that a first residue is formed in a predetermined shape on a first side face, irrespective of a positional displacement between the first and second etching masks, and wherein the first and second etching masks are designed so that a second residue formed on a second side face is adjusted so as to ensure that one of two principal axes passing through a centroid and dynamically perpendicular to each other in a cross section taken perpendicularly to a longitudinal direction of the vibrating tine is oriented substantially parallel to the upper or lower surface of the crystal wafer. | 2010-04-08 |
| 20100084949 | TUNING-FORK-TYPE PIEZOELECTRIC VIBRATING PIECE AND METHOD OF MANUFACTURING SAME - Tuning-fork-type crystal vibrating pieces are disclosed that have a base and a pair of vibrating arms extending from one side of the base in a designated longitudinal direction. A root portion is situated between the vibrating arms, and includes a first taper surface. Extending outboard of the vibrating arms from respective sides of the base are respective supporting arms that extend in the designated direction. Between each supporting arm and the respective vibrating arm is a respective supporting-arm root portion. Each supporting-arm root portion has a second taper surface in the thickness direction of the base. | 2010-04-08 |
| 20100084950 | BRUSHLESS MOTOR STATOR - A brushless motor stator is provided that may be applied to a plurality of types of motors having different rotational speeds, merely by providing one type of a circuit substrate. A pair of fitting convex portions that project radially outside of a virtual circle centering on a center line C are formed on one insulator divided body of a slot insulator. Three pairs of diagonally located fitting concave portions are formed in an inner circumferential wall portion surrounding a through-hole of a circuit substrate. The pair of fitting convex portions of the one insulator divided body are fitted in one of the three pairs of fitting concave portions. With this, a positional relationship between three hall elements and stator magnetic poles is selected, corresponding to the speed range of a motor to be used. | 2010-04-08 |
| 20100084951 | HINGE APPARATUS FOR A FOLDABLE ELECTRONIC DEVICE - An apparatus ( | 2010-04-08 |
| 20100084952 | Fitting for a corner cupboard comprising a pull-out, single-part shelf - A fitting for a corner cupboard, comprising a side wall and an access opening which borders the side wall and gives access to an interior of the corner cupboard over just a part of its width, has at least one single-part shelf, which in the work position of the fitting extends horizontally, two supporting arms, which in the work position of the fitting extend horizontally and which are mounted on the underside of the shelf, at two mutually spaced points, pivotably about vertical axes, a first support bearing for one of the two supporting arms, which has at least one linear guide defining a horizontally running pull-out direction for one of the two supporting arms, and a pivot bearing for defining a vertical pivot axis for the other of the two supporting arms. | 2010-04-08 |
| 20100084953 | PIECE OF FURNITURE AND DEVICE FOR PUSHING OUT A FURNITURE PART WHICH IS ACCOMMODATED IN A MOVABLE MANNER ON A FIXED FURNITURE PART - The invention proposes a device for pushing out a furniture part which is accommodated in a movable manner on a fixed furniture part, having a pushing-out element which is driven via a drive unit and is present on one of the furniture parts in order to push the movable furniture part out of a closure position, the intention being for contact between the pushing-out element and the other furniture part to be eliminated during a pushing-out operation, and having a control unit for controlling the drive unit, the control unit taking as a basis a definable closure position of the movable furniture part for controlling the drive unit. The invention provides means by which, following a closing operation of the movable furniture part, a standstill position achieved in the process can be defined as a new closure position and replaces the closure position previously taken as a basis. | 2010-04-08 |
| 20100084954 | PIECE OF FURNITURE AND DEVICE FOR PUSHING OUT A FURNITURE PART - The invention proposes a piece of furniture and a device for pushing out a furniture part which is accommodated in a movable manner on a fixed furniture part, having a pushing-out lever which can be driven via a drive unit, is fitted on one of the two furniture parts and is temporarily in contact with the other furniture part in order to push out the movable furniture part, and the pushing-out lever has an abutment region within which the contact between the pushing-out lever and the other furniture part takes place, it being possible for the pushing-out lever to be driven, the intention being for the contact between the pushing-out lever and the other furniture part to be eliminated during a pushing-out operation. According to the invention, the abutment region has an inflection, and the pushing-out lever is designed to deform elastically during the pushing-out operation. | 2010-04-08 |
| 20100084955 | DOOR APPARATUS OF REFRIGERATOR AND DAMPING APPARATUS OF THE SAME - Disclosed are a door apparatus for a refrigerator and a damping apparatus for the same. The door apparatus for the refrigerator comprises: a main door for opening/closing the interior of a refrigerator, a sub-door for opening/closing the interior of the refrigerator through a portion of the main door, a sub-door frame disposed on the main door and supporting the sub-door, and a damper disposed at the sub-door frame to reduce an impact due to the pivotal movement of the sub-door. With a damping force required when the door is opened/closed and a more simplified structure of the door, a door design of higher tightness can be implemented. | 2010-04-08 |
| 20100084956 | Refrigerator - Disclosed is a refrigerator having a home bar. The refrigerator has a reinforcement unit that supports a pair of rotating shafts to securely assemble the rotating shafts with a home bar door such that the rotating shafts securely support the home bar door. The refrigerator includes a home bar door, a pair of support members provided in the home bar door symmetrically to each other, and a connection member connecting the support members to each other. The support members are integrally formed with the connection member. | 2010-04-08 |
| 20100084957 | FIELD EMISSION ELECTRON SOURCE HAVING CARBON NANOTUBE AND MANUFACTURING METHOD THEREOF - A field emission electron source ( | 2010-04-08 |
| 20100084958 | LED Structure, Manufacturing Method Thereof and LED Module - A light emitting diode (LED) structure, a manufacturing method thereof and a LED module are provided. The LED structure has temperature sensing function. The LED structure comprises a composite substrate and an LED. The composite substrate comprises a diode structure whose P-type semiconductor region or N-type semiconductor region has a predetermined doping concentration. The diode structure is a temperature sensor, and the sensitivity of the temperature sensor is based on the predetermined doping concentration. The LED is disposed on the composite substrate. The diode structure is used for sensing the heat emitted from the LED. | 2010-04-08 |
| 20100084959 | LIGHT EMITTING DIODE MODULE ILLUMINATING LAMP - The present invention relates to a light emitting diode module illuminating lamp which is provided with a main body provided with a light irradiating part, a support and a support panel integrally formed together and formed with a inserting part at an outer perimeter thereof and a light emitting source placed within the main body and provided with a light emitting diode and a reinforcing support panel, and is able to uniformly irradiate the light of the light emitting diode emitted from an inside of the main body to an outside, obtain an effect as if a plurality of light irradiating parts were used by using a single light irradiating part and reduce the number of the light irradiating parts per unit area to save a cost. | 2010-04-08 |
| 20100084960 | SPARK PLUG - An object of the invention is to provide a spark plug including an insulator which is difficult to cause breakdown and exhibits higher withstand voltage characteristics. This invention relates to a spark plug | 2010-04-08 |
| 20100084961 | ELECTRON BEAM APPARATUS AND IMAGE DISPLAY APPARATUS - An electron emission device in an electron beam apparatus includes an insulating member having a recess on a surface thereof, a gate, and a cathode opposed to the gate via the recess. The recess has a depression formed in a surface of the recess. | 2010-04-08 |
| 20100084962 | LUMINOPHORES MADE OF DOPED GARNET FOR PCLEDS - The invention relates to phosphors having a garnet structure of the formula I | 2010-04-08 |
| 20100084963 | LIGHT EMITTING DEVICE WITH ANODIZED METALLIZATION - A light emitting device ( | 2010-04-08 |
| 20100084964 | Arrangement and Method for Generating Mixed Light - At least two semiconductor components emit electromagnetic radiation in different wavelength ranges. The superimposition of these electromagnetic radiations of all semiconductor components has at least one fraction in the visible wavelength range. At least one of the semiconductor components has a luminescence conversion element in the beam path. | 2010-04-08 |
| 20100084965 | POLYMER MATERIAL AND POLYMER LIGHT-EMITTING DEVICE - Disclosed is a luminescent or charge-transporting polymer compound having a main chain containing a divalent heterocyclic group, a divalent condensed polycyclic hydrocarbon group including no five-membered ring, a group represented by the formula (1) below or a divalent aromatic amine group as a repeating unit, and a functional side chain containing at least one functional group selected from the group consisting of hole injecting/transporting groups, electron injecting/transporting groups, and light-emitting groups. This polymer compound is characterized in that the functional group is directly bonded to a saturated carbon atom in the repeating unit or bonded to the repeating unit via X is an —R | 2010-04-08 |
| 20100084966 | ORGANIC ELECTROLUMINESCENT ELEMENT, DISPLAY DEVICE AND LIGHTING DEVICE - Disclosed is an organic electroluminescent device having long life, while exhibiting high luminous efficiency. Also disclosed are an illuminating device and a display, each using such an organic electroluminescent device. In the organic electroluminescent device, a compound represented by the general formula (A) which is suitable as a host material for a phosphorescent metal complex is used at least in one sublayer of a light-emitting layer. | 2010-04-08 |
| 20100084967 | ORGANIC ELECTROLUMINESCENT DEVICE - An organic electroluminescent device is provided and includes: a pair of electrodes; and at least one organic layer between the pair of electrodes, the at least one organic layer including a light-emitting layer. The at least one organic layer contains a compound represented by formula (I) below, and the light-emitting layer contains a phosphorescent material of a platinum complex having a tetradentate ligand. | 2010-04-08 |
| 20100084968 | ORGANIC EL DEVICE AND ELECTRONIC APPARATUS - An organic EL device includes an organic EL element that includes an anode having a reflective face, a cathode having a semi-transmissive reflective layer, and a functional layer, which is pinched between the anode and the cathode and includes at least an organic light emitting layer, and configures a color pixel that implements light emission corresponding to at least a red color. The color pixel configured by the organic EL element forms an optical resonator between the reflective face of the anode and the semi-transmissive reflective layer of the cathode. The color pixel corresponding to the red color has a film thickness profile of the functional layer in a convex shape in which a center portion is relatively thick, and a periphery portion is relatively thin or a concave shape in which the center portion is relatively thin, and the periphery portion is relatively thick. | 2010-04-08 |
| 20100084969 | ORGANIC LIGHT EMITTING DISPLAY AND METHOD OF MANUFACTURING THE SAME - An organic light emitting display (OLED) includes a substrate, a first electrode, an organic light emitting layer, and a second electrode, which are sequentially formed on the substrate. The second electrode is formed by an imprint method to have different thickness in different regions thereof. Thus, an amount of light exiting the OLED increases because the second electrode is thinner in an area where the light exits, and an electrical resistance of the second electrode is reduced because the second electrode is thicker in the peripheral area. | 2010-04-08 |
| 20100084970 | IRIDIUM PHOSPHORESCENT DENDRIMER, METHOD OF PREPARING THE SAME AND ELECTROLUMINESCENT DEVICE INCLUDING THE IRIDIUM PHOSPHORESCENT DENDRIMER - An iridium phosphorescent dendrimer represented by Formula 1: | 2010-04-08 |
| 20100084971 | MATERIAL FOR ORGANIC ELECTROLUMINESCENCE DEVICE AND ELECTROLUMINESCENCE DEVICE EMPLOYING THE SAME - A material for organic electroluminescence devices comprising a compound having a specific structure and an organic electroluminescence device comprising an organic thin film layer which comprises one layer or a plurality of layers comprising at least a light emitting layer and disposed between a cathode and an anode, wherein at least one layer in the organic thin film layer comprises the material for organic electroluminescence devices, are provided. The material provides the organic electroluminescence device exhibiting a great efficiency of light emission, having no defect pixels, exhibiting excellent heat resistance and having a long life. | 2010-04-08 |
| 20100084972 | High-Efficiency Light Bulb - A lightbulb comprising a base and a selectively detachable bulb means is disclosed. The base has an enclosure with a socket means, a base connector means, and a circuit means for conveying electric power from the socket means to the connector means. The bulb means has a bulb connector means that is mechanically and electrically cooperative with the base connector means to secure the bulb means to the base and conduct electrical power therethrough. The bulb means further includes a glass bulb that is fixed to the bulb connector means and encloses a non-opaque, substantially hollow capsule that includes within a filament. The capsule further has a non-reactive gas sealed therein. | 2010-04-08 |
| 20100084973 | PLASMA DISPLAY PANEL - A plasma display panel includes a front panel including a substrate, a display electrode formed on the substrate, a dielectric layer formed so as to cover the display electrode, and a protective layer formed on the dielectric layer; and a rear panel disposed facing the front panel so that discharge space is formed, and including an address electrode formed in a direction intersecting the display electrode and a barrier rib for partitioning the discharge space. The protective layer is formed by forming a base film on the dielectric layer and attaching a plurality of aggregated particles of a plurality of crystal particles of metal oxide to the base film so that a plurality of aggregated particles are distributed over the entire surface, and the crystal particle has a crystal face having a shape of polyhedron with seven faces or more. | 2010-04-08 |
| 20100084974 | PLASMA DISPLAY PANEL - A plasma display panel is formed of a front panel including display electrodes, a dielectric layer, and a protective layer that are formed on a glass substrate, and a rear panel including electrodes, barrier ribs, and phosphor layers that are formed on a substrate. The front panel and the rear panel are faced with each other, and peripheries thereof are sealed to form a discharge space therebetween. The dielectric layer of the front panel contains Bi | 2010-04-08 |
| 20100084975 | PLASMA DISPLAY PANEL - A plasma display panel includes a first and a second plate facing each other via a discharge space. On the first plate, a first and a second bus electrode are provided which extend in a first direction and are disposed at intervals. In a cell, a first and a second display electrode are provided and coupled to the first and the second bus electrode respectively, and facing each other. In addition, on a dielectric layer covering the first and the second bus electrode and the first and the second display electrode, a plurality of address electrodes are provided which are disposed at respective positions facing first barrier ribs. Then, a protective layer is formed directly on the address electrodes and the dielectric layer, covering a surface of the dielectric layer and the address electrodes, and being exposed to the discharge space of the cell. | 2010-04-08 |
| 20100084976 | LIGHT EMITTING DIODE WITH ENERGY RECOVERY SYSTEM - The invention relates to a light emitting diode (LED) which is electrically connected to an anode and a source. According to the invention one of the anode and the source is thermally coupled to a first heat conductor, the heat conductor being thermally coupled to a first Peltier element to convert thermal energy transmitted from and generated in the light emitting crystal when the light emitting crystal is provided with electrical energy into electrical energy. | 2010-04-08 |
| 20100084977 | COLD CATHODE TUBE LAMP - Disclosed is a cold cathode lamp composed of discharge tube having a glass tube and an internal electrode, and a ballast capacitor integrally mounted to the discharge tube. The ballast capacitor is composed of a first electrode formed on the outer surface of the discharge tube, a dielectric layer covering the first electrode, and a second electrode formed on the dielectric layer. The internal electrode and the first electrode are electrically connected with each other. At least one of the internal electrode and the first electrode has a portion exposed to the outside. The capacitance of the ballast capacitor can be measured by connecting the exposed portion and the second electrode to a measuring device. Consequently, variations in capacitance of the ballast capacitor, which cause variations in luminance of the cold cathode lamp, can be easily examined. | 2010-04-08 |
| 20100084978 | System And Method For Driving LED Vehicle Lights - A system and method for driving LED vehicle lights is provided, for diving an LED taillight and brake light, an LED reversing light and an LED direction indicator. The system and method uses direction indicator controller to receive the direction indicator enabling signal generated by vehicle light power controller and generate an direction indicator control signal to an enabling switch controller to avoid the flasher frequency of the direction indicator from being affected by the lighted taillight and brake light and reversing light so as to provide the driving capability that can stabilize the flasher frequency of the direction indicator. | 2010-04-08 |
| 20100084979 | APPARATUS FOR USING HEAT PIPES IN CONTROLLING TEMPERATURE OF AN LED LIGHT UNIT - A light emitting diode (LED) light unit is disclosed. For example, the LED light unit includes at least one support plate having one or more inner openings. At least one LED array may be coupled to an LED board. The LED light unit also includes at least one heat pipe coupled to the LED board, wherein said LED board is coupled to the at least one support plate. | 2010-04-08 |
| 20100084980 | PLASMA UNIFORMITY CONTROL USING BIASED ARRAY - Apparatus and method for improving the plasma uniformity in a plasma based system are described. The apparatus may include a plurality of electrical conductors, to which one or more types of electrical potentials may be applied. The conductors may be arranged in an array and may preferably be positioned near the plasma. By applying the bias voltages to the various electrically conductors, the plasma can be manipulated. For example, the conductors may extract or confine the electrons in the plasma, thereby locally adjusting the plasma density near the conductors. In the process, uniformity of the plasma density or ion concentration in the plasma may be improved. In a further embodiment, a magnetic field is included in the same direction as the electric field created by the bias voltage so as to better confine the charged particles. | 2010-04-08 |
| 20100084981 | Intrinsically Safe Flashlight - A lighting device ( | 2010-04-08 |
| 20100084982 | OPERATING DEVICE AND METHOD FOR THE COMBINED OPERATION OF GAS DISCHARGE LAMPS AND SEMICONDUCTOR LIGHT SOURCES - In various embodiments, a dimmable operating device for the combined operation of a gas discharge lamp and a semiconductor light source is provided. The dimmable operating device may be configured such that only the semiconductor light source is operated in the lower dimming range and only the gas discharge lamp is operated in the upper dimming range, and at the changeover points at which one sort of light source out of the semiconductor light source and the gas discharge lamp is switched off or on, at the same time a jump in power is applied to the other light source out of the semiconductor light source and the gas discharge lamp, with the result that the human eye cannot perceive, or can only perceive with difficulty, the changeover point. | 2010-04-08 |
| 20100084983 | LED driving circuit - An LED driving circuit is provided for driving an LED module, comprising a transistor switch and a feedback controller. The transistor switch has a control terminal, a first terminal, and a second terminal. The first terminal is coupled to the LED module and the control terminal receives a control signal for controlling a current passing through the transistor switch. The feedback controller receives a reference voltage and a current detecting signal indicative of the magnitude of the current and generates the control signal accordingly. The feedback controller is connected to a driving power source with level higher than the level of the first terminal of the transistor switch. Hence, the maximum level of an adjustable range of the control signal is higher than the first terminal of the transistor switch. | 2010-04-08 |
| 20100084984 | Energy-Saving LED-Based Lighting Device - This invention describes a lighting device with low energy consumption, which is made up of light emitting diodes known by the English acronym of LEDs, that use the technique known as “scanning”; with the purpose of reducing the consumption of energy required for lighting. Said scanning is performed by an efficient circuit that determines the sequence and time required for the activation of each LED or group of LEDs. The invention does not limit itself to only using LEDs, other types of elements for control may be used that may be sequenced without altering its operation or useful life. In this case, the speed that may support the LEDs is taken advantage of and that is higher than can be seen by the human eye, where each LED or group of LEDs are turned on and off at a frequency that is imperceptible by the human eye. | 2010-04-08 |
| 20100084985 | Low Voltage Outdoor Lighting Power Source and Control System - A power source and control system is particularly suited for use in an outdoor landscape lighting system. The power source and control system includes at least one switching mode AC-to-DC power supply having an additional output stage for efficiently converting the DC output signal into another relatively low frequency AC signal for transmission to a plurality of buried power conductors. A Manchester encoded control signal is encoded at a relatively high frequency onto the AC signal sent over the buried power conductors so that intelligent LED lighting fixtures can be powered by the AC signal and selectively have their intensity changed when they decode the control signal. | 2010-04-08 |
| 20100084986 | CIRCUIT ARRANGEMENT AND METHOD FOR PROGRESSIVELY DIMMING ONE OR MORE LIGHTING MEANS - Various embodiments provide a circuit arrangement with two or more switching inputs for progressively dimming one or more lighting means, the switching inputs being capable of being current-conducting or non-current-conducting, wherein the circuit arrangement is configured such that it, owing to the switching combination of the switching inputs, provides a dimming signal at the output, which dimming signal can be processed by the operating devices connected thereto and dims the lighting means to corresponding light levels. | 2010-04-08 |
| 20100084987 | DISCHARGE LAMP DRIVING DEVICE AND METHOD, LIGHT SOURCE DEVICE, AND IMAGE DISPLAYING APPARATUS - In at least one embodiment of the disclosure, a discharge lamp driving device includes a discharge lamp lighting unit configured to supply power to a discharge lamp while alternately switching a polarity of a voltage applied across two electrodes of the discharge lamp. A controller performs a modulation control of the power in accordance with a power ratio characterized by the power supplied in a polarity switching period. The controller starts the modulation control at a predetermined time after the power supplied to the discharge lamp reaches a predetermined power value. | 2010-04-08 |
| 20100084988 | DISCHARGE LAMP LIGHTING DEVICE, LIGHTING FIXTURE, AND LIGHTING SYSTEM - A discharge lamp lighting device includes: a direct current power supply circuit that outputs direct current power; an inverter circuit that converts the direct current power, which is outputted by the direct current power supply circuit, into alternating current power, and supplies the alternating current power to a discharge lamp; a control circuit that controls a frequency of an output of the inverter circuit (operation frequency); and a starting detection circuit that detects beginning (starting) of a discharge in the discharge lamp. The control circuit operates in a starting improvement mode, in which the operation frequency is lowered than an operation frequency in a lighting mode, during a predetermined time from when the starting of the discharge lamp is detected by the starting detection circuit | 2010-04-08 |
| 20100084989 | Method for Initiating and Controlling a Lighting Equipment - The present invention primarily relates to a method for initiating and controlling a lighting equipment by detecting and determining through an algorithm whether a flicker of light may occur during the period of initiating or dimming the lighting equipment. The method further calculates to obtain a current compensation ratio that the current level need be elevated to prevent the occurrence of flicker and performs a real-time compensation for the electrical current, when necessary. The method according to the invention will initiate the lighting equipment at an electrical current level used during a previous stable operation of the lighting equipment, so as to further prevent the occurrence of flicker of light during the initiation of the lighting equipment and achieve the energy saving purpose. | 2010-04-08 |
| 20100084990 | Dimmable LED lamp - An LED lamp utilizes AC power and bidirectional LED chips to provide dimming capabilities. The dimming capabilities of the lamp reduce the junction temperature of the LEDs on the bi-directional LED chips and thus prolong the life expectancy of the LED lamp. | 2010-04-08 |
| 20100084991 | Dimming Control Circuit - The present invention discloses a dimming control circuit, comprising: an input terminal for receiving an input signal; an analog and digital dimming circuit receiving the input signal, wherein the analog and digital dimming circuit provides an analog dimming function when a voltage level of the input signal is between a predetermined lower limit and a predetermined upper limit, and a digital dimming function when the voltage level of the input signal switches above and below the predetermined lower limit, and wherein the analog and digital dimming circuit generates an analog signal when the voltage level of the input signal is above the predetermined lower limit; and a power circuit for supplying an output current in correspondence to the analog signal generated by the analog and digital dimming circuit. | 2010-04-08 |
| 20100084992 | INTENSITY CONTROL AND COLOR MIXING OF LIGHT EMITTING DEVICES - The present disclosure presents systems and methods for controlling light intensity and color mixing of light emitted by lighting devices. A controller may use a setting for an intensity of light and an instruction to generate, for a remote lighting device, a signal comprising the instruction and a duty cycle within a time period of the signal that corresponds to the setting for the intensity of light. The signal may comprise a digital pattern corresponding to at least a portion of the instruction. The remote lighting device may determine the duty cycle of the time period of the received signal based on a sum of durations of time for which the signal within the period comprises a high value. The remote lighting device may establish intensity of the light emitted based on the duty cycle while implementing an action based on the identified instruction. | 2010-04-08 |
| 20100084993 | Type of LED light - An LED bulb includes at least one group of LED string ( | 2010-04-08 |
| 20100084994 | Energy-saving drive device for controlling an led heat dissipation temperature - An energy-saving drive device for controlling an LED heat dissipation temperature wherein, when the device converts signal voltage into operating energy for control, a feedback signal voltage is obtained at the LED load terminal. Meanwhile, the signal voltage is continuously compared by the calculus processor. Moreover, the oscillation waveform, the amplitude voltage, and the linearity of waveform are controlled by at least 3 times of software modulation to automatically offset and amplify the attenuated signal voltage and to enable the power amplifier to output a new operating voltage signal for correcting the voltage and the current, thereby driving the LED of high luminance and high power in the conditions of low voltage and low current depending on a load characteristic of the LED for achievement of the efficiency of energy conservation, no issue on overheating, and the virtues of safety and environmental protection. | 2010-04-08 |
| 20100084995 | DEVICE FOR GENERATING LIGHT WITH A VARIABLE COLOR - In an illumination system ( | 2010-04-08 |
| 20100084996 | NATURAL DAYLIGHT MIMICKING SYSTEM AND USER INTERFACE - A lighting interaction system ( | 2010-04-08 |
| 20100084997 | MULTI-MODE UTILITY LIGHTING DEVICE - A lighting device that includes a handle, a head control circuitry and a switching mechanism. The handle is adapted to being gripped and held by a human hand. The head includes a heat sink with a plurality of facets and a plurality of light panels. Each facet of the heat sink is in a different plane than other facets of the heat sink. The light panels are mounted on the heat sink. Each light panel is mounted on a different facet of the heat sink. The control circuitry causes the plurality of light panels to emit light in a plurality of user selectable light patterns. The switching mechanism allows a user to select light patterns from among the plurality of user selectable light patterns. | 2010-04-08 |
| 20100084998 | FLAT PANEL DISPLAY DEVICE - The present disclosure provides a flat panel display device. A flat panel display device includes a display panel, a stand, and a multi-angle adjusting device. The multi-angle adjusting device includes a first shell fixed on the stand, a second shell cooperatively defining a receiving space with the first shell, a holder, a first motor, a second motor, and a third motor. The holder, the first, the second, and the third motors are received in the receiving space. The first motor is connected between the first shell and the holder, and rotates the holder about a first direction along the stand. The second motor is connected between the holder and the second shell, and moves about a second direction perpendicular to the first direction relative to the first shell. The third motor is connected between the second shell and the display panel, and rotates about a third direction which is perpendicular to the first and second directions. | 2010-04-08 |
| 20100084999 | Battery powered vehicular power generation system - A battery powered system using a battery operated hydraulic pump to spin a weighted flywheel which is connected to a generator that generates electricity used to power all of the energy requirements for a vehicle. This system will use dual strings of batteries where one string of batteries can be recharging while the other string is supplying the power to the hydraulic pump. | 2010-04-08 |
| 20100085000 | VARIABLE SPEED DRIVE FOR PERMANENT MAGNET MOTOR - A drive system for a compressor of a chiller system includes a variable speed drive. The variable speed drive is arranged to receive an input AC voltage at a fixed AC input voltage and provide an output AC power at a variable voltage and variable frequency. The variable speed drive includes a converter connected to an AC power source providing the input AC voltage. The converter is arranged to convert the input AC voltage to a DC voltage. A DC link is connected to the converter. The DC link filters and stores the DC voltage from the converter. An inverter is connected to the DC link. A motor connectable to the compressor for powering the compressor. An active filter connected in parallel with the motor. The active filter is arranged to generate high frequency currents having a magnitude and opposite polarity, with respect to the output AC power of the variable speed drive. The high frequency currents generated by active filter substantially cancel out high frequency currents flowing into the motor. | 2010-04-08 |
| 20100085001 | INVERTER DEVICE - There is provided an inverter device capable of simplifying the circuit structure, lowering the cast, and downsizing of the device. The inverter device detects a switching change of an inverter by a pulse and is equipped with a pulse signal detector capable of detecting a motor residual voltage or a phase and a detector for detecting a residual voltage or a phase. The inverter device includes a voltage detector, a circuit for detecting a pulse signal based on a comparison between a phase voltage detection value per one phase output from the voltage detector and a first reference voltage value, a circuit for detecting a line residual voltage based on phase voltage detection values of two phases output from the voltage detector, and a circuit for detecting a line phase based on a comparison between the line residual voltage and a second reference voltage value. | 2010-04-08 |
| 20100085002 | ELECTRICAL MACHINE AND AN ELECTRICAL DRIVE WITH SUCH AN ELECTRICAL MACHINE - An electric machine ( | 2010-04-08 |
| 20100085003 | APPARATUS AND METHOD FOR CONTROLLING AN ACTUATOR - A controller for an actuator estimates the torque required to accelerate and decelerate an actuator and calculates a trajectory to a desired position based on the estimated torque requirements. The controller then determines an appropriate step size to move the actuator in the current time interval. Each time cycle the controller recalculates the trajectory to account for changes in conditions or operator inputs. The controller determines an appropriate step size to move the actuator in the next time interval based on the new trajectory. | 2010-04-08 |
| 20100085004 | ELECTRIC POWER CONTROL SYSTEM AND EFFICIENCY OPTIMIZATION PROCESS FOR A POLYPHASE SYNCHRONOUS MACHINE - A system and process includes continuously determining an applied armature voltage supplied to a polyphase synchronous machine for which a maximum mechanical load is characterized by a pull-out torque. The armature voltage is supplied from a power source via one of many taps of a regulating transformer. The armature voltage being supplied from the power source to the machine is changed by selecting one of the voltage levels from the taps of the regulating transformer. The tap voltage levels are selected based on the determined applied armature voltage to minimize power consumption of the machine while ensuring based on a predetermined confidence level that the pull-out torque of the machine will not be exceeded. | 2010-04-08 |
| 20100085005 | ELECTRIC MOTOR - A multi-phase electric motor comprises a stator comprising a plurality of wire coils surrounding a non-magnetizable core; a rotor with permanent magnets embedded therein, the rotor being disposed adjacent to the stator, the rotor being mounted on a rotatable drive shaft; a power source; a position sensor operably connected to the rotor; and a control circuit operably connected to the power source, the position sensor, and the wire coils, for controlling distribution of electrical energy to the wire coils. In this motor the control mechanism transfers electrical charge from a first coil to a second coil. | 2010-04-08 |
| 20100085006 | CONTROL DEVICE FOR INDUCTION MOTOR - A control device includes a slip calculator that calculates a first slip frequency of an induction motor, a current detector that detects motor current that passes through the induction motor, an adder that calculates a primary frequency by adding a speed command and a second slip frequency that are given, a command voltage generation unit that generates first command voltage from the primary frequency, a voltage error observer unit that estimates a command voltage error from the first command voltage and the motor current, a slip correction unit that calculates a slip correction amount from the command voltage error, an adder that calculates the second slip frequency by adding the first slip frequency and the slip correction amount, and a voltage error correction unit that corrects the first command voltage using the command voltage error and outputs second command voltage. | 2010-04-08 |
| 20100085007 | BATTERY CHARGER - A battery charger includes a housing, an electrical connector, magnets, and sensors. The electrical connector with a magnet attached thereon is received in the housing. The electrical connector is connected to the rear wall of the housing via an elastic member. The electrical connector is capable of extending out of the housing and through an opening in the housing. Another magnet is secured at a front end of the housing. When an attractive force is induced between the magnets, the electrical connector is extended towards and through the opening in the housing. The sensors are configured for detecting that a robot is in position to be charged and for turning on the attractive force between the magnets. | 2010-04-08 |
| 20100085008 | Monitoring system for electric power tool, battery pack for electric power tool, and battery charger for electric power tool - A battery monitoring system for electric power tool includes a battery pack for electric power tool and an auxiliary power source. The battery pack has a battery and a monitoring circuit. The battery is provided with at least one battery cell. The monitoring circuit is operated by electric power supplied from the battery, and monitors a status of the battery. The auxiliary power source outputs electric power allowing the monitoring circuit to operate. The monitoring circuit is configured such that, when the monitoring circuit is unoperational with the electric power of the battery due to a decrease in a voltage of the battery, the monitoring circuit becomes operational by the electric power supplied from the auxiliary power source. | 2010-04-08 |
| 20100085009 | CELL BALANCING APPARATUS AND METHOD - Disclosed is a cell balancing apparatus and method using a voltage variation pattern of a battery cell, which measures voltage of each cell, estimates OCV or SOC of each cell using a voltage variation pattern of each cell including a present voltage and a past voltage, and eliminates a deviation in OCV or SOC between the cells through comparison of the estimated OCV or SOC of each cell. In estimating the OCV of each cell, an output voltage error due to IR drop is corrected. Thus, SOC of each cell may be accurately estimated. And, an accurate estimation of SOC may render substantial elimination for a SOC deviation of each cell. Furthermore, SOC estimating using an output voltage leads to an active cell balancing even during charge and discharge of battery, thereby minimizing an SOC deviation of each cell. | 2010-04-08 |
| 20100085010 | Battery pack for power tool, and power tool - A battery pack for power tool includes a battery, a monitoring circuit, and a sleep mode switching unit. The battery includes at least one battery cell. The monitoring circuit is operated by receiving power supply from the battery. The sleep mode switching unit switches the battery pack to a sleep mode by stopping at least a part or all of operations of the monitoring circuit when the monitoring circuit detects a discharge end state where a discharge current from the battery is equal to or lower than a predetermined set current value, and the monitoring circuit further detects at least one of a voltage stable state where a voltage change amount in the battery cell is within a predetermined stable range of voltage change amount and a temperature stable state where a temperature change amount in the battery is within a predetermined stable range of temperature change amount. | 2010-04-08 |
| 20100085011 | METHODS AND APPARATUS FOR CHARGING A BATTERY IN A PERIPHERAL DEVICE - A power manager for managing power delivered to a battery operated peripheral device is disclosed. The power manager includes an input current limiter arranged to suppress a power surge associated with an insertion event by a power cable arranged to provide an external voltage. A voltage converter unit coupled to the input current limiter converts the received external voltage to a supply voltage that is transmitted by way of a main bus to a voltage sensor unit coupled thereto. During the insertion event, a comparator unit coupled to the voltage sensor, sends a first switching signal to a switchover circuit that responds by connecting the peripheral device and an uncharged battery to the main bus such that the supply voltage is provided thereto. When the battery is substantially fully charged, the switchover circuit responds by electrically disconnecting the battery so as to not overcharge the battery. | 2010-04-08 |
| 20100085012 | SIGNAL FOR PRE-CHARGE SELECTION IN LITHIUM CHARGING AND DISCHARGE CONTROL/PRE-CHARGE FUNCTION - A rechargeable battery pack for a power tool can have a data terminal that provides a signal that is indicative of whether the voltage is below a threshold and can serve as both a pre-charge signal for a charger and as a stop-discharge signal for a power tool. A charger can include a power supply circuit and a voltage detection circuit. A charger control module can receive a signal indicative of the voltage of the battery pack and determine a pre-charge time based on the voltage and can monitor a change in the voltage of the battery pack during the pre-charge operation and stop the pre-charge operation based on the change in voltage and the time period. | 2010-04-08 |
| 20100085013 | EQUIPMENT SYSTEM COMPRISING A BATTERY-OPERATED ELECTRICAL DEVICE, A RECHARGEABLE BATTERY UNIT, AND A BATTERY CHARGER - An equipment system includes a battery unit ( | 2010-04-08 |
| 20100085014 | BATTERY UNIT, BATTERY SYSTEM, ELECTRONIC DEVICE, CHARGING CONTROL METHOD OF BATTERY, AND DISCHARGING CONTROL METHOD OF BATTERY - A battery unit includes: a battery having cell units connected in parallel, in which one or a plurality of battery cells is connected in series; an external terminal provided for the battery; a switching element provided between each internal terminal and the external terminal of the cell unit; a protection circuit monitoring whether or not a fault occurs in each of the plurality of cell units and cutting off, through the switching element, a connection between the internal terminal and the external terminal of the cell unit with the fault detected; and an informing signal output terminal notifying an external device that the connection with the external terminal with respect to at least one of the cell units is cut off. | 2010-04-08 |
| 20100085015 | BATTERY SYSTEM, VEHICLE, AND BATTERY MOUNTED DEVICE - A battery system (SV | 2010-04-08 |
