Electricity: motive power systems inventions 10/07

20070247092 - Brushless-motor driving control device, image reading apparatus, and image forming apparatus: A drive control device for a brushless motor having a rotor and a plurality of coils with different phases can be included in an image reading apparatus or an image forming apparatus. The drive control device may include a detection target configured to rotate in synchronization with rotation of the... Agent: Harness, Dickey & Pierce, P.L.C

20070247091 - System for operating dc motors and power converters: A system is disclosed for driving a DC motor (15) under conditions of a controlled average current. An inductive element may be arranged for connection in series with the DC motor. A switch (14) is preferably coupled to the inductive element for connecting and disconnecting a terminal of the inductive... Agent: Townsend And Townsend And Crew, LLP

20070247095 - Hand-held power tool, in particular a trimmer or the like, having an electric drive motor: A hand-held power tool has an electric drive motor having a drive shaft and a tool connected to the drive shaft and rotatably driven by the drive shaft. The drive motor has a control device that has correlated therewith at least a first operating curve and a second operating curve.... Agent: Gudrun E. Huckett Draudt

20070247094 - Method and apparatus for speed control selection in electronically commutated motor: This invention relates to a method of speed control selection for an electronically commutated motor comprising the following steps: (a) a motor controller receives an input signal T from a speed control selection circuit; (b) the motor controller retrieves a corresponding value for a motor running speed S from a... Agent: Matthias Scholl

20070247093 - Hollow core electric motor: The disclosed system, device and method for an electric motor generally includes a hollow shaft having a first end and a second end. An electromagnet is coupled to the hollow shaft, where the electromagnet is suitably configured to emit an electromagnetic field, and where the electromagnet is disposed between the... Agent: Noblitt & Gilmore, LLC.

20070247096 - System and method for a moveable barrier operator: A communication protocol is employed between a movable barrier operator and an associated wall button using the traditional signaling wires connecting them. Implementing the communication protocol using the existing signaling wires also allows backward compatibility with the traditional push wall buttons that have a physical contact switch. In one embodiment,... Agent: Crowell & Moring LLP Intellectual Property Group

20070247097 - Electric power tool and method for operating same: In an electric power tool and a method for operating an electric power tool, a torque limitation of an electric motor reacts when a load moment exceeds a predetermined threshold and in which an output request is carried out by means of a switch. A supply of current to the... Agent: Striker, Striker & Stenby

20070247098 - Apparatus, and associated method, for controlling the repetition rate of an intermittent windshield wiper: Apparatus, and associated method, for controlling intermittent operation of a windshield wiper assembly. A user interface, formed of a pair of momentary contact switches, is used to set the repetition rate of intermittent operation of a wiper blade and, subsequently, when desired, to terminate the intermittent operation. A first of... Agent: Scheef & Stone, L.L.P.

20070247099 - System and method for transient-based motor speed estimation with transient excitation: Control systems and speed estimation systems are presented having a transient-based speed estimation system that provides a rotor speed estimate based on a measured speed-related motor transient signal, and a transient excitation system which selectively modifies at least one switch control signal to excite the measured motor transient.... Agent: Rockwell Automation, Inc./fay

20070247100 - Control method and awning installation controlled by this method: This method for controlling a motorized awning installation comprises: during the deployment of a cloth, a step of supervising the tension of the cloth, and a step of rolling up the cloth on a tube initiated automatically in response to a drop in the supervised tension, and stopped automatically before... Agent: Ralph A. Dowell Of Dowell & Dowell P.C.

20070247101 - Actuator driving device: An actuator driving device includes: an actuator made of a shape metal alloy having a property that a predetermined shape is memorized in advance, and that the predetermined memorized shape is recovered when the actuator is heated to a predetermined temperature; an applier for applying, to the actuator, a pulse... Agent: Sidley Austin LLP

20070247102 - Motor and motor drive system: Provided is a motor having a combination of a plurality of coil pairs and a permanent magnet, wherein these coil pairs are supplied with an excitation signal from a drive circuit so as to be excited at alternate opposite poles, and the permanent magnet is constituted such that the plurality... Agent: Harness, Dickey & Pierce, P.L.C

20070247103 - Method and apparatus for controlling power supply to induction motors: A method for controlling power supply to an induction motor is disclosed. A baseline reactive power on an induction motor during operation is initially measured. A new reactive power for offsetting the baseline reactive power is determined. Appropriate capacitance is then applied on the power lines for the induction motor... Agent: Dillon & Yudell LLP

20070247104 - Mitigation of harmonic currents and conservation of power in non-linear load systems: An AC power controller system applies three-phase AC operating power to an induction motor that drives a non-linear mechanical load. A primary low pass filter is connected in series between branch phase conductors and a power controller of the type that uses gate-controlled switching thyristors for controlling power to the... Agent: Dennis T. Griggs

20070241696 - High performance differential actuator for robotic interaction tasks: The mechanical differential actuator according to the present invention comprises a mechanical differential having three mechanicals ports. A first transducer with a low impedance is coupled to a first port, a second transducer with a high impedance is coupled to a second port, and the mechanical load is coupled to... Agent: Fay Kaplun & Marcin, LLP

20070241697 - Driving controlling apparatus for linear compressor and method thereof: A driving controlling apparatus for a linear compressor, comprises a controlling unit for detecting a TDC by a phase difference inflection point between a stoke and a current with increasing the stroke by controlling the current applied to a linear motor, and for varying the current applied to the linear... Agent: Greenblum & Bernstein, P.L.C

20070241698 - Driving controlling apparatus for linear compressor and method thereof: A driving controlling apparatus for a linear compressor, comprises: a storing unit for storing a reference phase difference to judge an overload state; and a controlling unit for judging an overload state based on a comparison result between the reference phase difference and a phase difference between a current and... Agent: Greenblum & Bernstein, P.L.C

20070241699 - Motor-generator control system: In a motor-generator control system for controlling a motor-generator, first and second sets of multiphase windings of a motor-generator are arranged to be spatially shifted in phase from each other. An allocating unit is configured to, upon input of workload request for the motor-generator, determine a first torque to be... Agent: Nixon & Vanderhye, PC

20070241703 - Control system for multiphase rotary electric machines: A control system controls, based on a comparison between a waved real current to be supplied to a multiphase rotary electric machine and a hysteresis region established by a waved command signal, a switching timing of a switching element of an inverter to which a direct current voltage is applied... Agent: Nixon & Vanderhye, PC

20070241702 - Load drive apparatus: A load drive apparatus includes a noise filter, which includes a coil connected in series between a power source and a load, and a switching transistor connected in parallel across the coil, and a control circuit which is operated based on a drive signal. The control circuit turns on the... Agent: Oliff & Berridge, PLC

20070241701 - Motor drive circuit: A motor drive circuit comprises a first power line; a second power line; an H-bridge circuit that includes a first source transistor and a first sink transistor connected serially, a second source transistor and a second sink transistor connected serially, a motor coil connected at a connection point between the... Agent: SocalIPLaw Group LLP

20070241700 - Laser diode triggered soft start controller for a polyphase electric motor: A solid state soft start controller system has a power supply, an electric motor, a thyristor electrically interconnected between the power supply and the electric motor so as to selectively allow current to pass from the power supply to the phases of the electric motor, a laser diode optically connected... Agent: Egbert Law Offices

20070241704 - Motor controller and method for controlling motor: A motor controller for fully closing and opening a window glass for a vehicle door. The motor controller controls a motor that drives the window glass and includes a relay circuit connected to the motor and switching contact states in accordance with movement of the window glass. An FET is... Agent: Synnestvedt & Lechner, LLP

20070241705 - Method & arrangement for sensorless operation of an electronically commutated motor: An improved electric motor has a rotor (124), a stator (125) having at least one phase winding strand (126), an output stage (122) for influencing the current flow in said phase winding strand, a DC link circuit (170) for supplying the output stage (122) with current, including a link circuit... Agent: Ware Fressola Van Der Sluys & Adolphson, LLP

20070241706 - Motor and motor drive system: Provided is a motor having a combination of a plurality of coil pairs and a permanent magnet, wherein these coil pairs are supplied with an excitation signal from a drive circuit so as to be excited at alternate opposite poles, and the permanent magnet is constituted such that the plurality... Agent: Harness, Dickey & Pierce, P.L.C

20070241707 - System and method for controlling motion of electromechanical devices such as seats and opening elements of motor vehicles: A system for controlling a displacement drive of a motor vehicle includes a manually operable actuator movable over a fixed stroke between a first end position and a second end position. The actuator is biased to a neutral position centrally located between the first and second end positions and provides... Agent: Porter Wright Morris & Arthur, LLP Intellectual Property Group

20070241708 - Electronic apparatus that allows cooling fan to be driven with certainty even at the time of software malfunction/lock-up or at the time of controller failure: A voltage for driving a cooling fan is usually output from a fan voltage control circuit. Whether to cause the fan voltage control circuit to output the drive voltage or not is controlled by a system management utility (software) and a bridge controller (hardware) on the basis of temperature data... Agent: Pillsbury Winthrop Shaw Pittman, LLP Eric S. Cherry - Docketing Supervisor

20070241709 - Hatch cover manager: The hatch cover manager product monitors hatch cover conditions and can move the cover to a closed position when the cover is left open and the hatch opening is not in use. The product minimizes the probability that the person using the walking surface will accidentally step into the uncovered... Agent: David J. Bremer

20070241710 - Movement controller for controlling movement of mobile body of machine tool, machine tool provided with movement controller, and mobile body moving method: At the time of two-dimensionally moving a mobile body of a machine tool, to a predetermined position, a speed of the mobile body is gently increased/decreased at an acceleration/deceleration equal to or less than the maximum acceleration/deceleration, from the time when the mobile body reaches a direction change point. Therefore,... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20070241711 - Sensor resonant frequency identification and filter tuning: Methods of tuning a notch filter to remove resonant frequency components from an output signal of a vibration sensor. Some methods according to the invention include exciting the vibration sensor with an excitation signal including energy in a frequency band that may include a resonant frequency of the vibration sensor,... Agent: Myers Bigel Sibley & Sajovec

20070241712 - Method and apparatus for digital control of a motor: A method and apparatus for the control of electric motors comprised of: (1) a digital circuit for receiving the desired value of position, velocity, acceleration, or rate of change of acceleration for the motor; (2) a digital circuit to determine the actual position, velocity, acceleration, or rate of change of... Agent: Aim Controls Inc.

20070241713 - Legged robot and legged robot walking control method: A legged robot and a legged robot walking control method are disclosed, which enable stable walking without force sensors on leg tips. A legged robot of the present invention comprises a torso, a leg link, which is swingably connected to the torso, storing means 210 for storing leg tip gait... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20070241714 - Robot for surgical applications: The present invention provides a robot for use inside an open abdominal cavity during minimally-invasive surgery. The robot may include various sensors, imaging devices or manipulators.... Agent: Faegre & Benson LLP Patent Docketing

20070241715 - Electrical drive control device and electrical drive control method: An electric drive control apparatus and method calculates a current command value based on an electric machine target torque that represents a target value of a torque of an electric machine; calculates a current deviation between the current command value and a current applied to the electric machine; calculates a... Agent: Oliff & Berridge, PLC

20070241716 - Optical disk drive: An optical disk drive capable of detecting occurrence of step-out or tooth jump in a mechanism for transferring an optical pickup. The optical pickup is transferred in a radial direction of the optical disk by means of a stepping motor. Upon receipt of a seeking operation command from a host... Agent: Christensen, O'connor, Johnson, Kindness, PLLC

20070241717 - Method of controlling stepping motor, apparatus for controlling stepping motor, and printer: A method of controlling a stepping motor including a stator having a driving coil wound therearound, and a rotor, the method comprising: performing a driving control of driving the rotor at a predetermined step angle and a stop control of stopping the rotor at a predetermined stop position; and if... Agent: Edwards Angell Palmer & Dodge LLP

20070241718 - Control device for an electric motor and related method: There is disclosed a control device for an electric motor. The electric motor comprises at least an inductive winding, it is voltage driven and generates a back electromotive force. The device comprises first means suitable for setting periods of time each centred on the instant of time in which the... Agent: Seed Intellectual Property Law Group PLLC

20070241719 - Electric power system: An electric power system comprises an AC 100, a first DC voltage unit 20, an inverter 10 as a power converter, being connected between the AC motor 100 and first DC voltage unit 20, for exchanging power between these two components; and a controlled DC power supply 60 which is... Agent: Schwegman, Lundberg & Woessner, P.A.

20070241720 - Inverter system: When finding a current on an AC side of an inverter by observing that on a DC side, a current that is not affected by pulsating components contained in the AC current must be detected. Timing of change of a gate signal for driving a switch element of a phase... Agent: Crowell & Moring LLP Intellectual Property Group

20070236160 - Device for adjusting the armature stroke in a reversable linear drive unit: A device for adjusting the armature stroke in a reversible linear drive unit comprising an excitation coil and an armature displaceable in the magnetic field of the excitation coil according to a linear oscillating motion at a predefined armature stroke. The device comprising systems for detecting the current armature position,... Agent: Bsh Home Appliances Corporation Intellectual Property Department

20070236161 - Adjustment of anti-pinch parameters according to voltage: An anti-pinch control utilizes certain vehicle information to adjust anti-pinch parameters used to control movement of a powered closure member. The anti-pinch control determines whether a vehicle is stationary, and identifies if an engine is “on” or “off.” A low pinch force parameter is applied when the vehicle is stationary... Agent: Carlson, Gaskey & Olds, P.C.

20070236162 - Robot hand: A robot hand equipped with a function of gently pinching an object to be held is provided. A single degree of freedom joint for allowing bending or stretching is provided at a connecting portion between a distal phalange section 7 and a middle phalange section 9. Then, a driving mechanism... Agent: Benesch, Friedlander, Coplan & Aronoff LLP Attn:IPDepartment Docket Clerk

20070236163 - Method for controlling a positioning device, positioning device, and lithographic apparatus provided with a positioning device: In a method for controlling a positioning device, the positioning device has a stator and mover, the mover being movable relative to the stator; a position sensor configured to generate a position signal indicative of a position of the mover relative to the stator; a controller configured to receive the... Agent: Pillsbury Winthrop Shaw Pittman, LLP

20070236164 - On-chip compensation for a fully differential voice coil motor control: A disk drive controller including a differential voice coil motor control function is disclosed. The differential voice coil motor control function includes an on-chip compensation network for the inner control loop, including a resistor formed of one or more MOS transistors connected in series. The gate of the MOS transistors... Agent: Texas Instruments Incorporated

20070236165 - Circuit arrangement for generating motor characteristic curves: A circuit arrangement (1) for generating motor characteristic curves, in particular for stabilizing the pull-out torque of a two-phase synchronous motor (2) by using a series-connected element (14). The series-connected element (14) is connected between a first line conductor (12.1) formed as a neutral conductor and the common phase (11)... Agent: Norris, Mclaughlin & Marcus

20070236166 - Controller for synchronous machine: A controller for a synchronous machine includes: a power converter; a synchronous machine driven by the power converter; a PWM modulation section for controlling the synchronous machine; a current detection section which detects a current conducted to the synchronous machine; a voltage detection section which detects a voltage applied to... Agent: Foley And Lardner LLP Suite 500

20070236167 - Motor control device: A motor control device that includes a first speed estimator estimating the rotation speed of the rotor of a permanent-magnet synchronous motor and that controls the motor so that a first estimated rotation speed estimated by the first speed estimator follows the specified speed value further includes a second speed... Agent: Ndq&m Watchstone LLP

20070236168 - Motor drive circuit, motor system, and motor drive method: A circuit suitable for formation as a small sized IC, able to decrease the number of externally attached parts and reduce the size, and stably rotating a motor. When rotating a rotor 101 by three-phase drive signals U, V, and W generated based on a CLK signal from a VCO... Agent: William S Frommer Formmer Lawrence & Haug

20070229005 - Method and device for driving rotating-body, process cartridge, image forming apparatus, and computer program product: A plurality of detection target portions are arranged around a rotating shaft of a rotating-body, one of which causes a detector to generate a first detection signal different from a second detection signal generated from the others. A first generating unit generates a reference signal indicating a reference rotational-position of... Agent: Harness, Dickey & Pierce, P.L.C

20070229004 - Motor driving apparatus, motor driving method and disk driving apparatus: A motor driving apparatus includes a neutral point difference voltage detecting unit operable to detect a difference voltage between a virtual neutral point of a resistor circuit connected in parallel to motor coils and an actual neutral point which is a common connection point of the motor coils, a rotor... Agent: Ratnerprestia

20070229006 - Rotary-motor-loaded device and control characteristic measurement method and program: A motor drive control unit includes a chip in which everything about a control system is provided and controls a spindle motor which rotates magnetic disks at a constant speed. When a measurement instruction is received from a disturbance generating unit and the upper-level device, sine wave disturbance is generated... Agent: Greer, Burns & Crain

20070229007 - Rotation control device, rotation control method and construction machine: In stopping a rotary body 4 of an electric rotary excavator (a construction machine), a control-system changing means 150 of a rotation control device 100 changes a control law from a speed control to a position control when a target speed is judged to be smaller than a speed threshold... Agent: Frishauf, Holtz, Goodman & Chick, PC

20070229010 - Control system for multiphase rotary electric machines: In a control system, a storing unit has stored a relationship between a workload associated with rotation of a multiphase rotary electric machine and a voltage utilization factor of the multiphase rotary electric machine. The voltage utilization factor includes information representing how percentage the direct current voltage applied to a... Agent: Nixon & Vanderhye, PC

20070229009 - Control apparatus for electric vehicles: In a hybrid vehicle control apparatus, a motor control unit executes a system voltage stabilization control, in which an input power to a MG unit is controlled to suppress variations in the system voltage. The motor control unit executes the input power control on the MG unit independently from a... Agent: Nixon & Vanderhye, PC

20070229008 - Hand power tool: A hand power tool includes a housing (10) with an upper part (11) for receiving at least an electric motor and a gear, with a middle part (12) embodied as a hand grip (14), and with a lower part (13) embodied as a base (16) to stand on, in which... Agent: Striker, Striker & Stenby

20070229011 - Circuit arrangement and method for adjusting the power consumption of a load that can be operated by a direct-voltage system: A circuit arrangement and a method for adjusting the power consumption of a load of a cooling fan motor of a motor vehicle that can be operated by a direct-voltage system has at least one semiconductor switch in the supply current circuit of the load, and a control unit for... Agent: Ronald E. Greigg Greigg & Greigg P.l.l.c.

20070229013 - Controller for driving motor, driving device for driven member, ink-jet printer, and method of driving driven member: A driving device for a driving motor includes: a driving motor, driving a driven member; a control command value generating unit, generating a control command value that becomes a larger value as a control deviation becomes larger, as a control command value to the driving motor; an abutting member on... Agent: Edwards Angell Palmer & Dodge LLP

20070229012 - Methods and apparatus for commutating a brushless dc motor in a laser printer: In a laser printer, methods and apparatus include commutating a brushless dc motor having three windings. A controller receives discrete motor position signals, such as from hall-effect or FG sensors, and extrapolates motor position between the signals. It commutates the motor based on the extrapolated motor position and updates motor... Agent: Lexmark International, Inc. Intellectual Property Law Department

20070229014 - Method for operating a control system of an industrial process: The invention relates to a method for operating a control system of an industrial process, the control system having at least one control loop comprising a sensor (200), a control device (300) and an actuator (400), the actuator being connected to the sensor (200) via the industrial process (100). To... Agent: Buchanan, Ingersoll & Rooney PC

20070229015 - Driving mechanism controller and driving mechanism control method: A driving mechanism controller and a driving mechanism control method reduce damage to members caused by a collision. A command producing unit produces, upon the perception of the collision of a hand with an obstacle, a reversing signal for reversing a moving direction in which the hand is being moved... Agent: Oliff & Berridge, PLC

20070229016 - Motor control apparatus: There is constructed a simple constitution including 2 pieces of rotary switches (1, 2) which are inexpensive and provided with small mounting areas as an input setting apparatus and 5 of LED (5) as a display apparatus, selecting a gain by a contact of the rotary switch, automatically setting a... Agent: Sughrue Mion, PLLC

20070229017 - Head positioning control method, head positioning control device and disk apparatus: A positioning control device executes disturbance observer control having a disturbance suppression function, wherein changes of control characteristics are prevented even if the disturbance frequency is suppressed. When a control value of an actuator is computed using estimated gains of the actuator and estimated gains of disturbance according to an... Agent: Greer, Burns & Crain

20070229018 - Brushless servo motor tester: A permanent magnet brushless (PMBL) servo motor test apparatus and method allow testing of a motor in place. A set of static and dynamic tests is performed to determine proper motor operation of armature windings and rotor feedback devices. The test system of the present invention displaces the motor drive... Agent: David G. Herold

20070229019 - Electric motor control unit: An electric motor control unit (10) comprises: a first position detecting means (31) for detecting a position of a mechanical movable portion (24) driven by an electric motor (20); a second position detecting means (32) for detecting a position of a rotary shaft (21) of the electric motor; a usual... Agent: Lowe Hauptman Berner, LLP

20070229020 - Multi-speed permanent split capacitor motors: A multi-speed permanent split capacitor (PSC) motor includes a first winding circuit having an auxiliary winding and a main winding, a second winding circuit having an auxiliary winding and a main winding, a capacitor and a switching device. The switching device is configured to selectively couple the capacitor to the... Agent: Harness, Dickey, & Pierce, P.l.c

20070229021 - Motor controller: The motor controller drives an electric motor including a rotor as a field magnet and stator coils of U-phase, V-phase and W-phase. The motor controller includes an exploration voltage application unit for applying an exploration voltage to the stator coils of U-phase, V-phase and W-phase such that a voltage vector... Agent: Rabin & Berdo, PC