Patents for H01F 7 - Magnets (20,067) |
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11/03/2004 | EP0897473B1 Disposable ambulatory microprocessor controlled volumetric pump |
11/03/2004 | CN2653653Y Double stable solenoid electromagnetic iron |
11/03/2004 | CN1543388A Magnetic clamping device and method for detecting and controlling an operating state of a magnetic clamping device |
11/03/2004 | CN1542874A Semilunar or fan shaped rare earth ferrum permanent magnetic field orientation and making method thereof |
11/03/2004 | CN1542577A Electric operating device of control component and method for operating control component |
11/02/2004 | US6812055 MEMS devices and methods of manufacture |
11/02/2004 | US6811718 Ferrite type magnet manufacturing method |
10/28/2004 | WO2004093299A1 Electromagnetic energy converter |
10/28/2004 | WO2004078638A3 Micro-electromechanical inductive switch |
10/28/2004 | US20040212944 Solenoid drive apparatus |
10/28/2004 | US20040212473 Electromagnetic coil assembly and electromagnetic actuator |
10/28/2004 | US20040212471 Electromagnetic clamp and method for clamping a structure |
10/28/2004 | US20040212469 Rotary solenoid |
10/28/2004 | DE10315282A1 Schaltungsanordnung und Verfahren zur Ansteuerung eines bistabilen Magnetventils Circuit arrangement and method for driving a bistable solenoid valve |
10/28/2004 | DE10302988B3 Schaltungsvorrichtung zur Erzeugung eines durch eine Magnetspulenanordnung fließenden, durch Taktung geregelten Spulenstroms Circuit means for generating a current flowing through a solenoid arrangement, controlled by clocking the coil current |
10/27/2004 | CN1540842A Magnetic shoe made from permanent magnetism ferrite and producing method |
10/26/2004 | US6809619 System and method for adjusting magnetic center field for permanent MRI magnetic field generator |
10/26/2004 | US6808160 Solenoid valve |
10/26/2004 | CA2210174C Magnet sheet for display |
10/21/2004 | US20040206320 Electromechanical valve actuator for internal combustion engines and internal combustion engine equipped with such an actuator |
10/21/2004 | US20040206318 Electromechanical valve actuator for internal combustion engines and internal combustion engine equipped with such an actuator |
10/21/2004 | DE10302064A1 South-pole face shaping for field coil core e.g. of automobile generator, has face filled out sufficiently for guaranteed electron yield even in winding phase/conductor |
10/21/2004 | DE10235644B4 Elektromagnetische Stellvorrichtung Electromagnetic actuator |
10/21/2004 | DE102004014469A1 Steuerventilvorrichtung für einen verstellbaren Taumelscheibenkompressor Control valve device for an adjustable swash plate compressor |
10/21/2004 | DE102004012526A1 Steuerventil für ein Fahrzeugbremssystem A control valve for a vehicle braking system |
10/21/2004 | DE102004005770A1 Betriebsschaltung und die Betriebsschaltung verwendende Leistungsschaltvorrichtung Operating circuit and the operating circuit switching power device used |
10/20/2004 | EP1469700A2 A coil for an electroacoustic transducer |
10/20/2004 | EP1468432A1 Linear voice coil actuator with planar coils |
10/20/2004 | EP1417404B1 High-speed controlling device |
10/20/2004 | CN1538603A Electromagnetic driver and exposure reglation component using it |
10/20/2004 | CN1538479A Alternating current electro magnet device of actuating maintaining static conversion |
10/19/2004 | US6806802 Electromagnetic driving device and flow rate controlling apparatus employing the same driving device |
10/19/2004 | US6806596 Armature for an electromagnetic actuator with a sintered armature plate |
10/14/2004 | US20040201943 Operation circuit and power switching device employing the operation circuit |
10/14/2004 | US20040201441 Electromagnetic regulating device |
10/14/2004 | US20040201300 Motor and its permanent magnet |
10/14/2004 | US20040201290 Electromagnetic power device |
10/14/2004 | DE10359640B3 Electromagnet device for electrical switchgear or magnetic drive has magnetic yoke and/or armature of drive coil provided with impact-resistant coating |
10/14/2004 | DE10315585A1 Operating method for electromagnetic actuator, e.g. for gas exchange valve of motor vehicle, by chopping coil current to pre-current value during first phase, and chopping with constant duty ration during second phase |
10/14/2004 | DE10315584A1 Operating method for electromagnetic actuator e.g. for gas exchange valve of internal combustion engine, by comparing actual current with reference value and regulating current accordingly |
10/14/2004 | DE10315152A1 Controlling electromagnetic valve, especially for motor vehicle automatic gearbox, involves varying pulse width modulated drive signal periodic duration depending on drive signal switch-on component |
10/14/2004 | DE10109378B4 Elektromagnetanordnung für elektromagnetisches Gerät Solenoid assembly for electromagnetic device |
10/13/2004 | EP1075615B1 Electromagnetic valve for gaseous fluids |
10/13/2004 | CN2648061Y Back-flushing electricity saving apparatus for extracting oil machine of oil well |
10/13/2004 | CN1536589A Electromagnetic coil of DC electromagnetic block brake |
10/13/2004 | CN1535656A Method and device for positioning permanent magnetic block |
10/12/2004 | US6803686 Electromechanical actuator |
10/12/2004 | US6802986 Low-aberration deflectors for use in charged-particle-beam optical systems, and methods for fabricating such deflectors |
10/07/2004 | WO2004085866A1 Structure and method of mounting built-in type of discharge element part |
10/07/2004 | US20040196127 Variable field magnet apparatus |
10/07/2004 | US20040196092 Electromagnetic load drive apparatus |
10/07/2004 | US20040195071 Pulse width modulation of brake shift interlock solenoid |
10/07/2004 | US20040194289 Methods and apparatus for positioning permanent magnetic blocks |
10/07/2004 | DE10207828B4 Elektromagnetischer Hubmagnet An electromagnetic solenoid |
10/06/2004 | EP1465216A1 Methods and apparatus for positioning permanent magnetic blocks |
10/06/2004 | CN2645622Y Magnetic controlled needle seeking equipment |
10/06/2004 | CN1535355A Solenoid drive apparatus |
10/06/2004 | CN1533841A Permanent magnet magnetic system of drum type magnetic separator |
10/06/2004 | CN1170294C Electromagnetic control equipment for power supply circuit with current supply kept by eletromagnet |
10/05/2004 | US6800966 Linear brushless DC motor with ironless armature assembly |
10/05/2004 | US6799746 Electromagnet, in particular a proportional magnet for operating a hydraulic valve |
09/30/2004 | WO2004083625A1 Electromagnet for an electromagnetic valve |
09/30/2004 | US20040193031 Method and apparatus for non-invasive analysis of blood glucose |
09/30/2004 | US20040191077 Control valve device for variable capacity type swash plate compressor |
09/30/2004 | US20040189123 Magnetically hard object and method for adjusting the direction and position of a magnetic vector |
09/30/2004 | US20040189105 Fixation framework for ring-shaped permanent magnet |
09/30/2004 | DE3939537B4 Magnetventil Solenoid valve |
09/30/2004 | DE10311523A1 Elektromagnet, insbesondere für ein Magnetventil Electromagnet, in particular for a solenoid valve |
09/30/2004 | DE102004010394A1 Strom-Controller für induktive Last Current controller for inductive load |
09/29/2004 | EP1463186A1 Linear actuator |
09/29/2004 | EP1461813A1 Improvements relating to operation of a current controller |
09/29/2004 | CN2645189Y Single magnetic circuit single coil permanent-magnet solenoid |
09/29/2004 | CN1533023A Controller for inductive load current |
09/29/2004 | CN1533012A Fixing structure for circular permanent magnet |
09/29/2004 | CN1532865A Operation circuit and electric power switch device using it |
09/29/2004 | CN1532855A Field energy utilizing technology |
09/29/2004 | CN1169168C Electromagnetic valve D.C. electromagnetic coil for A.C. power supply |
09/29/2004 | CN1169167C Magnetic fixing fitting |
09/28/2004 | US6798636 Method of estimating the effect of the parasitic currents in an electromagnetic actuator for the control of an engine valve |
09/28/2004 | US6798635 Method and arrangement for determining the position of an electromagnetic actuator |
09/28/2004 | US6798634 Device for actuating an electromagnet |
09/28/2004 | US6796718 Electromagnetic linear optical positioner |
09/23/2004 | WO2004082106A1 Torque producing device |
09/23/2004 | WO2002091403A3 Solenoid valve coil having an integrated bobbin and flux ring assembly |
09/23/2004 | US20040185305 Super conductive magnet apparatus |
09/23/2004 | US20040183650 Magnet coil arrangement |
09/23/2004 | US20040183636 Permanent Magnet and shim design |
09/23/2004 | US20040183382 Mobile magnet actuator |
09/23/2004 | DE19924767B4 Elektromagnetisches Stellglied An electromagnetic actuator |
09/23/2004 | DE10310963A1 Coil construction for electromagnetic actuator for operation of IC engine valve, has measuring coil for measuring flux variations provided by actuator coil |
09/22/2004 | EP1226347B1 Control of driver current via low side gates |
09/22/2004 | CN1530514A Steering system of trackless electric telescopic door |
09/21/2004 | US6794973 Magnetic field generating device for MRI |
09/21/2004 | US6794972 Brake-transmission shift interlock device for an automatic transmission system |
09/21/2004 | US6794965 Micro-magnetic latching switch with relaxed permanent magnet alignment requirements |
09/16/2004 | WO2004078638A2 Micro-electromechanical inductive switch |
09/16/2004 | WO2003060932A8 Method for controlling flux of electromagnet and an electromagnet for carrying out said method (variants) |
09/16/2004 | US20040181760 Systems and methods for operating an electromagnetic actuator |
09/16/2004 | US20040178782 Current controller for inductive load |
09/16/2004 | US20040178378 Control valve for a vehicular brake system |