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| Number | Title | Issue Date |
| 8149557 | Residual magnetic devices and methods Residual magnetic locks, brakes, rotation inhibitors, clutches, actuators, and latches. The residual magnetic devices can include a core housing and an armature. The residual magnetic devices can include a coil that receives a magnetization current to create an irre... | 04/03/2012 |
| 8144447 | Electromagnetic load controller An internal combustion engine controller comprises a current or voltage source for controlling a potential at a diagnosis position in order to ensure a high-precision fault diagnosis, even if the drive cycle of the electromagnetic load (such as a fuel injector), in ... | 03/27/2012 |
| 8098472 | System and method for controlling an electromagnetic field generator A system for driving an electromagnetic field generator. In one aspect, the system may include a plurality of transistors arranged in an H-bridge configuration, the H-bridge having first and second output terminals, first and second switching inputs, and a power inp... | 01/17/2012 |
| 8004813 | Method and an array for magnetizing a magnetizable object Described is a method and array for magnetizing a magnetizable object. The method includes the steps of (a) applying a first degaussing signal to the magnetizable object to degauss the magnetizable object and the first degaussing signal is an alternating electrical ... | 08/23/2011 |
| 7969705 | Residual magnetic devices and methods Residual magnetic locks, brakes, rotation inhibitors, clutches, actuators, and latches. The residual magnetic devices can include a core housing and an armature. The residual magnetic devices can include a coil that receives a magnetization current to create an irre... | 06/28/2011 |
| 7933109 | Electromagnetic switching device and method for the operation thereof Disclosed is an electromagnetic switching device including a number of fixed contact pieces, a solenoid-operated mechanism, a contact support which can be moved counter to restoring devices in at least one embodiment, with the aid of the solenoid-operated mechanism ... | 04/26/2011 |
| 7505242 | Method for applying a magnetic mark to a rotatable article to be positioned and corresponding device The invention relates to a method for applying a magnetic mark to a rotatable article (1) to be positioned, to a corresponding device and to a system (2) consisting of a device for applying a magnetic mark and a device (25) for determining the a... | 03/17/2009 |
| 7439832 | Electrical wiring device switch assembly and combination device with circuit protection component An electrical wiring device including a plurality of independent switches and a circuit interrupter. In an aspect, two adjacent switches are provided. The user accessible portions of the switches operate in a direction parallel to the major longitudinal axis of the ... | 10/21/2008 |
| 7415971 | Control circuit for an actuator In a control circuit for at least one actuator, in particular for a capacitive actuator of an injection system of an internal combustion engine, a control current can be applied to the actuator. The control circuit has an inductor, e.g., having a core and hav... | 08/26/2008 |
| 7403367 | Active vibration insulator An active vibration insulator includes an electromagnetic actuator, a control-signals generating device, a driver, a calculator, and a judging device. The electromagnetic actuator generates vibrating forces depending on electric-current supplies. The control-signals... | 07/22/2008 |
| 7368891 | Charge control method of capacitor in thyristor converter Charging time of a capacitor is shortened while avoiding erroneous firing due to distortion of a power supply voltage and sustaining an inrush current at a constant level. In the charge control method of a capacitor in a thyristor converter comprising a thyristor fo... | 05/06/2008 |
| 7359174 | Motion detecting system for use in a safety system for power equipment A woodworking machine including a detection system adapted to detect a dangerous condition between a person and a working portion of the machine is disclosed. The machine includes a reaction system associated with the detection system to cause a predetermined action... | 04/15/2008 |
| 7355833 | Magnetic bearing device A magnetic bearing device includes an electromagnet for supporting a member without contact; an excitation amplifier for supplying an excitation current to the electromagnet; a carrier wave generation device for generating a carrier wave; and a sensor device for mod... | 04/08/2008 |
| 7352567 | Methods and apparatuses for docking a portable electronic device that has a planar like configuration and that operates in multiple orientations A docking system is disclosed. The docking system includes a portable electronic device capable of operating in multiple orientations including vertical and horizontal. The docking system also includes a docking station configured to mechanically accept and operativ... | 04/01/2008 |
| 7352021 | Magnetic random access memory devices having titanium-rich lower electrodes with oxide layer and oriented tunneling barrier Magnetic Random Access Memory (MRAM) devices include a lower electrode and a magnetic tunnel junction on the lower electrode. The magnetic tunnel junction includes a seed layer and a tunneling barrier that is oriented in a same direction as the most closely packed p... | 04/01/2008 |
| 7340634 | Real time clock architecture and/or method for a system on a chip (SOC) application An apparatus comprising a first portion, a second portion and a processor. The first portion is configured to generate a count signal in response to a number of oscillations of a clock signal. The first portion is powered by an unswitched power source. The second po... | 03/04/2008 |
| 7332989 | Switch mechanism A switch mechanism has at least one set of contacts including at least one fixed contact and at least one moveable contact which is carried by an axially moveable carrier that is held by a spring-loaded detent when the contacts are closed, the carrier being released... | 02/19/2008 |
| 7315200 | Gain control for delta sigma analog-to-digital converter Gain control for delta sigma analog-to-digital converter. A method is disclosed for driving the input of an integrator in a delta-sigma converter having an amplifier with a non-inverting input, an output and a positive input connected to a reference voltage and an i... | 01/01/2008 |
| 7315041 | Switching devices based on half-metals One embodiment of the present invention provides a switching device that can vary a spin-polarized current based on an input signal. The switching device comprises a first conducting region, a second conducting region, and a half-metal region interposed between the ... | 01/01/2008 |
| 7310210 | Magnetoresistive sensor having cobalt-iron alloy layer in free layer A magnetoresistive sensor comprises a pinned layer having a magnetization direction fixed with respect to an external magnetic field, a free layer, having a magnetization direction variable in accordance with the external magnetic field, and a spacer layer mainly co... | 12/18/2007 |
| 7307824 | Magnetic pole insensitive switch circuit A switch which is magnetic pole insensitive is described. The switch includes a Hall effect sensor coupled to a threshold circuit which provides an output signal indicative of the proximity of a magnet, and hence a magnetic field, to the Hall effect sensor regardles... | 12/11/2007 |
| 7304852 | Inverter apparatus An inverter assembly including a storage compartment for multiple cables adapted to be releasably connected to the inverter. A body of the inverter assembly includes interior and exterior fins for the dissipation of heat energy. ... | 12/04/2007 |
| 7292425 | Magnetic bearing device and turbo molecular pump with the magnetic bearing device mounted thereto To provide a magnetic bearing device capable of reducing vibration by preventing a deterioration in the control of a rotor shaft due to a variation in the axial position of the rotor shaft, while performing positional control over the rotor shaft in a specific attit... | 11/06/2007 |
| 7282755 | Stress assisted current driven switching for magnetic memory applications A method and system for providing a magnetic memory is disclosed. The method and system include providing a plurality of magnetic elements and providing at least one stress-assist layer. Each of the plurality of magnetic elements is configured to be written using sp... | 10/16/2007 |
| 7269749 | System for controlling low power mode of TV by using single output pin of microprocessor to send signals to demagnetization circuit and switched mode power supply The arrangement and the respective display unit comprise a microprocessor, a demagnetization circuit and a switched mode power supply operating in a normal mode and in a low power mode. The microprocessor is coupled via the same output to the switched mode power sup... | 09/11/2007 |
| 7269061 | Magnetic memory A magnetic memory has a first, a second and a third magnetic transistor. The first magnetic transistor has a first magnetic section and a second magnetic section, wherein the first magnetic section couples to a high voltage end. The second magnetic transistor has a ... | 09/11/2007 |
| 7245105 | Single-phase induction motor and method for reducing noise in the same A single-phase induction motor and a method for reducing noise in the same, which can eliminate unbalance between magnetomotive forces of main and auxiliary windings in a stator of the motor, thereby implementing a low noise, low vibration motor, and can also achiev... | 07/17/2007 |
| 7242157 | Switched-voltage control of the magnetization of current transforms and other magnetic bodies The magnetic flux of a magnetic body is controlled with voltage pulses from an active voltage source. The voltage pulses are applied to a winding circuit which is magnetically coupled to the magnetic body. An electronic switch means is used to generate the voltage p... | 07/10/2007 |
| 7224634 | Hardware security device for magnetic memory cells The present invention provides a special structure of magnetic elements, e.g. MRAM elements, as a security device for IC's containing magnetic memory cells. In an example embodiment, the structure may comprise a combination of two or more associated magnetic element... | 05/29/2007 |
| 7224566 | Interfaces between semiconductor circuitry and transpinnor-based circuitry Electronic systems are described including semiconductor circuitry characterized by first signals and all-metal circuitry characterized by second signals and comprising a plurality of transpinnors. Each transpinnor includes a network of thin-film elements. At least ... | 05/29/2007 |
| 7211909 | Monolithic integrated circuit arrangement A monolithic integrated circuit arrangement containing a substrate, a functional unit formed in and/or on the substrate, and an energy supply unit, which is formed in and/or on the substrate and is coupled to the functional unit and has an inductance and a permanent... | 05/01/2007 |
| 7212390 | Electronic control circuit for a starting switch of a motor vehicle An electronic control circuit for a motor vehicle starter contacter includes a management unit (26) having: first means for detecting the open or closed state of the power contact (20), and second mea... | 05/01/2007 |
| 7196894 | Method and a device for demagnetising objects The method according to the invention for demagnetization is effected in two separate steps. Firstly magnetically hard locations, such as weld seams, pressure locations etc., of an object to be demagnetized is pre-treated locally with high fields by way of choke coi... | 03/27/2007 |
| 7187532 | Device and a method for stabilizing a web or a filament of ferromagnetic material moving in one direction A device and a method for stabilising a metallic object of magnetic material. The metallic object is transported along a transportation path or plane. The plane includes a transportation direction and is parallel to the longitudinal direction of the object therein. ... | 03/06/2007 |
| 7183887 | Control means and method of controlling a current through a coil An electronic circuit comprising means (CMNS) for controlling a current (IL) through a coil (L) for the generation of a magnetic field (H). The means (CMNS) comprise means (DMNS) for the determination of a parameter which is a measure for the value of the resistance... | 02/27/2007 |
| 7170367 | Inductive coupler for power line communications There is provided an inductive coupler for coupling a data signal to a power line. The inductive coupler includes a split magnetic core having an aperture formed by an upper magnetic core and a lower magnetic core. The aperture permits the power line to pass thereth... | 01/30/2007 |
| 7164569 | Mechanism for automated permanent magnet degaussing A bulk degaussing system for the erasure of magnetic storage media by means of permanent magnets. The bulk degaussing system includes a rotatably mounted carousel and an angular displacement means that angularly displaces the carousel through a predetermined angle a... | 01/16/2007 |
| 7161124 | Thermal and high magnetic field treatment of materials and associated apparatus An apparatus and method for altering characteristics, such as can include structural, magnetic, electrical, optical or acoustical characteristics, of an electrically-conductive workpiece utilizes a magnetic field within which the workpiece is positionable and scheme... | 01/09/2007 |
| 7142147 | Method and apparatus for detecting, locating, and identifying microwave transmitters and receivers at distant locations Methods and apparatuses for detecting, locating, and identifying microwave transmitters and receivers at distant locations are disclosed. First and second electromagnetic beams at first and second frequencies, respectively, are transmitted in first and second direct... | 11/28/2006 |
| 7127364 | Method of compensating for distorted secondary current of current transformer Disclosed herein is a method of compensating for the distorted secondary/ current of a current transformer. The method includes steps (a), (b) and (c). At step (a), the saturated section of the current transformer is detected. At step (b), fault current generated du... | 10/24/2006 |
