Patents for H01F 7 - Magnets (20,067)
08/2002
08/28/2002CN1089908C Cylindrical body for imaging equipment
08/27/2002US6442364 Image forming apparatus having a developer carrier capable of preventing toner adhesion
08/22/2002US20020114647 Developing device using a developing roller and image forming apparatus including the same
08/22/2002US20020114214 Electroacoustic transducer
08/22/2002US20020114122 Method of controlling solenoid actuator
08/22/2002US20020114120 Solenoid driver circuit
08/22/2002US20020113678 Magnets with varying magnetzation direction and method of making such magnets
08/22/2002US20020112682 Method for controlling an electromechanical actuator drive
08/22/2002DE10104998A1 Schaltvorrichtung Switching device
08/21/2002EP1233428A1 Solenoid driver circuit
08/21/2002EP1233221A1 Method of controlling solenoid actuator
08/21/2002EP1232082A1 Electromagnet valve
08/21/2002EP1232081A1 Electromagnet valve
08/20/2002US6437770 Flat-coil actuator having coil embedded in linkage
08/20/2002US6437568 Low noise MRI scanner
08/15/2002WO2002063643A1 Sealed-off switchgear
08/15/2002WO2002000044A3 Device for reducing the content of harmful substances in tobacco smoke
08/14/2002EP1230651A1 Actuator, in particular for valves, relays or similar
08/14/2002EP1230650A1 Connector carrier and method for connecting the connector carrier to an injection-molded part
08/14/2002EP1042767B1 Device for controlling an electromechanical regulator
08/13/2002US6433662 Solenoid actuator
08/13/2002US6433661 Magnetic-field thermal treatment apparatus capable of reducing weight and utility consumption thereof
08/08/2002WO2002061780A1 System and method for servo control of nonlinear electromagnetic actuators
08/08/2002US20020105400 Switchable permanent magnetic device
08/08/2002US20020104977 Sleeveless solenoid for a linear actuator
08/08/2002US20020104494 Controller for controlling an electromagnetic actuator
08/08/2002DE10104754A1 Verfahren zum Betreiben eines elektromagnetischen Ventils A method of operating an electromagnetic valve
08/08/2002CA2436155A1 System and method for servo control of nonlinear electromagnetic actuators
08/07/2002EP1229560A1 Electromagnetic valve actuator with electromagnet for an internal combustion engine
08/07/2002EP1229559A2 Sleeveless solenoid for a linear actuator
08/07/2002EP1229340A2 Magnet assembly with a superconducting magnet coil system and a magnetic field forming device for high resolution magnetic resonance spectroscopy
08/07/2002CN2504738Y Flexible composite magnet
08/07/2002CN1362773A Oil blooking device for bearing, bearing using said blocking device, and electric motor using said bearing
08/07/2002CN1362589A Connecting-type electromagnetic straight-motion valve unit and electromagnetic type straight-motion device
08/07/2002CN1088791C Permanent magnet for NMR logging instrument
08/06/2002US6429761 Mold for bonding MRI pole piece tiles and method of making the mold
08/01/2002WO2002060220A1 An electroacoustic transducer
08/01/2002WO2002060037A1 Coil with cooling means
08/01/2002WO2002059911A1 Ceramic insulation coated electric wire, self-fusing ceremic insulation coated electric wire, coating composition, and coil and voice coil for speaker
08/01/2002US20020103495 Methods and devices using magnetic force to form an anastomosis between hollow bodies
08/01/2002US20020101314 Electromagnetic driving device and flow rate controlling apparatus employing the same driving device
08/01/2002DE10201371A1 Dynamische Dämpfung in einem reibungsfreien Magnetventil Dynamic damping in a frictionless solenoid valve
08/01/2002CA2435932A1 An electroacoustic transducer
07/2002
07/31/2002EP1226647A2 Method for controlling at least one inductive consumer by means of a pulse width modulated control signal
07/31/2002EP1226594A1 Electrical circuit arrangement for converting an input voltage
07/31/2002EP1226593A2 Electromagnetic actuator
07/31/2002EP1226448A1 Magnet with improved access
07/31/2002EP1226379A1 Reduced-energy-consumption actuator
07/31/2002EP1226347A1 Control of driver current via low side gates
07/31/2002EP1226346A1 Matrix injector driver circuit
07/31/2002CN2502759Y Electromagnetic induction driving unit
07/31/2002CN1361575A Electromagnetic drive apparatus
07/31/2002CN1361371A Electromagnetic for electromagnetic valve
07/30/2002CA2145311C Low friction solenoid actuator and valve
07/25/2002WO2002058092A1 Micro-magnetic latching switch with relaxed permanent magnet alignment requirements
07/25/2002WO2002025676A8 Solenoid plunger system comprising an impact damping mechanism
07/25/2002US20020099488 Solenoid valve control and method of controlling a solenoid valve
07/25/2002US20020097122 Field adjusting mechanisms and methods for permanent magnet arrangement with backplate
07/25/2002US20020097121 Permanent magnet radial magnetizer
07/25/2002US20020097120 Method for determining the position of an armature
07/25/2002US20020097051 Apparatus and method for magnetic resonance measurements in an interior volume
07/25/2002US20020096946 Coil with cooling means
07/25/2002US20020096938 Connection device and associated process
07/25/2002US20020095751 Adjustable magnetic snap fastener
07/25/2002DE10201301A1 Electromagnetic actuator control device e.g. for motor vehicle or boat engine valve drive, has voltage applied to electromagnet corresponding to end position for given period
07/25/2002DE10059370C1 Electromagnet energizing coil testing method uses evaluation of coil voltage upon application of constant current
07/24/2002EP1224671A1 A device for generating a variable magnetic field
07/24/2002EP1224485A1 Improved magnetic coil former
07/24/2002EP1224484A1 Improved magnet
07/24/2002EP1147156B1 Composite structure of two workpieces obtained by means of a glue
07/24/2002EP1048040B1 Device for emergency hand operation with switching magnets
07/24/2002CN2501581Y Magnetic separating circular column
07/24/2002CN1360725A Electromagnetic rams
07/24/2002CN1360318A Adhered rare-earth permanent magnet with low temp coefficient and its preparing process
07/23/2002US6423264 Process for forming rotating electromagnets having soft and hard magnetic components
07/23/2002US6422984 Magnetic roll for use in xerographic printing
07/23/2002US6422122 Electronically controllable brake booster
07/18/2002WO2002056447A2 Linear brushless dc motor with ironless armature assembly
07/18/2002WO2002056321A1 Electromagnetic actuator
07/18/2002WO2002056318A1 Low resistance conductor, method of producing the same, and electric component using the same
07/18/2002WO2002055355A2 Coil assembly
07/18/2002US20020093411 Self-locating coil assembly
07/18/2002US20020093407 Magnetic switch
07/18/2002DE10062107C1 Regulation device for electromagnetic actuator uses 3-point regulators for regulating field currents of lifting magnets between which armature of electromagnetic armature is displaced
07/17/2002EP1021330B1 Electronically controllable brake booster
07/17/2002CN2501165Y Laminate two-pole magnet with internal trimming coil
07/16/2002US6421519 Magnet roll having an anisotropic bonded magnet portion containing rare earth-iron-nitrogen magnet powder
07/16/2002US6420951 Sintered armature
07/16/2002US6420950 Electromagnet
07/16/2002US6420949 Core of solenoid actuator
07/16/2002CA2115577C Screened electromagnetic coil of restricted length having optimized field and method
07/11/2002WO2002053407A1 Electrically-commanded device for prevention of mechanical movement
07/11/2002US20020088956 Controller for controlling an electromagnetic actuator
07/11/2002DE10065144A1 Actuator for valve control in an internal combustion engine has an electromagnetic drive mechanism to turn a rotor and move a final control element fitted in an actuator casing with the drive mechanism.
07/11/2002DE10063549A1 Manufacturing electromagnet involves making magnetic yoke from at least two dense yoke parts with electrically isolating ceramic substrate arranged between the yoke parts
07/10/2002CN1087476C 电磁装置 Electromagnetic devices
07/04/2002WO2002052587A1 Electromagnet with a magnet armature
07/04/2002WO2002052586A1 Electromagnet
07/04/2002WO2002052585A1 Permanent magnet and method for preparation thereof
07/04/2002WO2002052292A1 Medical examination apparatus provided with at least one magnet and noise-absorbing material