Patents
Sitemap › H01 - Basic electric elements › H01F - Magnets; Inductances; Transformers; Selection of materials for their magnetic properties › H01F 7 - Magnets
Patents for H01F 7 - Magnets (20,067)
12/1986
12/18/1986WO1986007271A1 Magnetic occluding device
12/17/1986EP0204742A1 Solenoidal magnet with homogeneous magnetic field
12/16/1986US4630166 A.C. power control for D.C. solenoid actuators
12/16/1986US4630165 D.C. power control for D.C. solenoid actuators
12/10/1986EP0204293A1 Solenoid construction and method for making the same
12/10/1986EP0204222A1 Retaining device for fire-preventing doors
12/10/1986EP0204181A1 Electromagnet
12/10/1986EP0203952A1 Ironless solenoidal magnet.
12/09/1986CA1215162A1 Transducer with translationally adjustable armature
12/09/1986CA1215114A1 Nuclear magnetic resonance imaging system
12/09/1986CA1215105A1 Voltage adaptive solenoid control apparatus
12/03/1986EP0203354A1 Process and circuit for the control of a valve
12/02/1986US4626814 Rapid acting electromagnetic actuator
12/02/1986US4626813 Electromagnetic drive and polarized relay
12/02/1986US4626718 Rotary solenoid for intermittent ink ribbon feeding
12/02/1986US4626115 Dot printer head
11/1986
11/26/1986CN85205374U Wet magnet for explosive insulation a.c. intrinsic valve
11/26/1986CN85106831A Designing method for d.c. electronmagnet
11/25/1986CA1214509A1 Permanent magnet multipole with adjustable strength
11/20/1986WO1986006870A1 Ironless solenoidal magnet
11/20/1986WO1986006869A1 Solenoidal magnet with high magnetic field homogeneity
11/20/1986EP0202030A2 Electromagnetic clutch mechanism
11/20/1986EP0202011A2 Torque motors and valve assemblies
11/19/1986CN86101911A Polarized electromagnetic actuator device
11/19/1986CN85205662U Concave backed pole shoe
11/19/1986CN85103498A Permanent magnet with magnetic field of high uniformity
11/18/1986US4623864 Magnetic field production coil for nuclear magnetic resonance imaging apparatus
11/18/1986US4623860 Latching solenoid mechanism
11/12/1986EP0201084A2 A local probe for use in NMR imaging
11/12/1986EP0200925A1 Positioning motor
11/12/1986EP0200891A1 Method and apparatus to homogenize the field of a magnet coil
11/11/1986US4622532 Hourglass magnet
11/05/1986EP0199980A2 Magnetic trip device
11/04/1986US4621236 Cylindrical electromagnet for an NMR imaging system
11/04/1986US4620739 Bingo chip bell
11/04/1986CA1213636A1 Limited angle torque motor with magnetic centering and stops
10/1986
10/29/1986EP0199159A2 Electromagnetic print element actuator
10/29/1986EP0113738B1 Iron core for the magnetic induction of a visual information displaying element with a magnetic tilting plate
10/29/1986CN85102478A Driving device of electromagnetic braking
10/28/1986US4620260 Circuit for driving solenoid
10/28/1986US4620259 Circuit for driving solenoid valve
10/23/1986WO1986006207A1 Multipolar magnet
10/22/1986EP0198635A2 Fluid valves
10/22/1986EP0198085A1 Electromagnetic actuator
10/22/1986EP0197960A1 Circuit arrangement for current control by an electrical, in particular electromagnetic, consumer
10/21/1986US4618277 Print head
10/21/1986US4617966 Electromagnetic positioner for a servovalve or the like
10/21/1986US4617936 Flexible surface coil for magnetic resonance imaging
10/15/1986EP0197589A2 Coil arrangement for nuclear-spin inspections
10/15/1986EP0197357A2 Electromagnetically operating adjustment system
10/15/1986EP0197356A2 Electromagnetically operating adjustment system
10/14/1986US4617516 Axial magnetic field gradient coil suitable for use with NMR apparatus
10/14/1986US4616675 Solenoid-actuated directional control valve
10/09/1986WO1986005850A1 Electromagnetic coupling or brakes with electrically changeable holding pewer
10/08/1986EP0196960A1 Fast acting control device for electromagnetic devices
10/08/1986EP0196511A1 Ferromagnetic shield for magnetic resonance magnets
10/01/1986EP0196022A2 Polarized electromagnetic actuator device
10/01/1986EP0195772A1 Monopolar electromagnet
09/1986
09/30/1986US4614930 Radially magnetized cylindrical magnet
09/25/1986WO1986005625A1 Solenoidal magnet with annular discs of the bitter type
09/25/1986WO1986005624A1 Solenoidal magnet with high homogeneity magnetic field
09/24/1986CN86102875A Magnetic fastener means
09/16/1986US4612596 Circuit for stabilizing electromagnet coil current of a magnetic resonance imaging device
09/16/1986US4612526 Torque motor with high torque poles and magnetic centering spring adjustment
09/16/1986US4611649 Method of making multiple magnet core units
09/12/1986WO1986005312A1 Method for making a coil of a solenoidal magnet
09/09/1986US4611121 Magnet apparatus
09/09/1986US4610428 Hermetically sealed electromagnetic solenoid valve
09/09/1986CA1211185A1 Control circuit for a solenoid driver for a dispenser
09/09/1986CA1211153A1 Permanent magnetic chuck plate
09/03/1986EP0193038A2 Magnetic-field generating device for a particle accelerating system
09/03/1986CN85109470A Application of signal lamps in some electrical apparatus
09/02/1986US4609899 Polarized electromagnet having three states and a control circuit for said electromagnet
09/02/1986US4609831 Apparatus for transmitting energy to and from coils
09/02/1986CA1210829A1 Dot matrix print head solenoid assembly
09/02/1986CA1210828A1 Coil assembly with flux directing means
09/02/1986CA1210804A1 Circuit for supplying current to a coil
09/02/1986CA1210638A1 Microprocessor-controlled printing mechanism having an opto-electronic sensor
08/1986
08/27/1986EP0192331A1 Electromagnet
08/26/1986US4608620 Magnetic sensor for armature and stator
08/20/1986EP0191392A2 Magnetic field-generating device
08/19/1986US4607311 Power circuit for electromagnetic actuator
08/19/1986CA1210124A1 Electronic circuit controlling a multiple operation apparatus fitted with an electromagnetic mechanism
08/19/1986CA1210046A1 Electromagnetic actuator generating equal and opposing force vectors
08/14/1986WO1986004687A1 Cylindrical electromagnet for an nmr imaging system
08/13/1986EP0190209A1 Device for the control of an electromagnet coil and electric switching apparatus provided with such a device
08/12/1986US4605983 Drive circuits
08/12/1986US4605918 High speed current maximum tripping device
08/05/1986US4604600 Solenoid construction and method for making the same
08/05/1986US4604599 Electromagnet comprised of yokes and an armature supporting a permanent magnet fitted on its pole faces with pole pieces that project from the axis of the magnet, this axis being perpendicular to the direction of movement
08/05/1986US4604042 Apparatus for producing anisotropic magnets
07/1986
07/30/1986EP0189119A1 Print head for a matrix printer, in particular for a serial matrix printer
07/30/1986EP0188970A1 Actuating device to be used in a high-pressure fluid
07/30/1986EP0188921A2 A combined torque motor and rotary flow control valve unit
07/30/1986EP0047264B1 Magnetic decoupler
07/23/1986EP0187902A1 Housing for an electrical device
07/23/1986EP0187748A1 Actuator with compensating flux path
07/23/1986CN85204292U Magnetic clip for laboratory
07/22/1986US4602309 Control circuit for a bistable solenoid
07/22/1986US4602233 Apparatus for transmitting force from actuating element of an electromagnet to a component
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