Patents for H01F 7 - Magnets (20,067)
02/1983
02/15/1983US4374386 Force-temperature stabilization of an electromagnetic device
02/09/1983EP0071313A1 Solenoid drive circuit
02/09/1983EP0070873A1 Driver circuit for use with inductive loads or the like.
02/01/1983US4371857 Electromagnetically operable ram actuator in particular for impact printers
01/1983
01/26/1983EP0070717A2 Electromagnetic relay
01/26/1983EP0016816B1 An apparatus and method for producing cyclic motion
01/25/1983US4370637 Magnetic actuator
01/25/1983US4369567 Method of manufacturing a permanent magnet which is to be arranged in an air gap of a transformer core
01/25/1983CA1140186A1 Electromagnet for moving iron objects
01/20/1983WO1983000264A1 Field composite permanent magnet and method of producing the same
01/18/1983US4369419 Solenoid having spring biased lost motion link
01/18/1983CA1139813A1 Permanent magnet for a bistable element and bistable element and data display units with at least one such element
01/12/1983EP0031817B1 Control buttons with magnetic capsule
01/11/1983US4368501 Control of electro-magnetic solenoid
01/11/1983US4368446 Solenoid
01/11/1983US4368353 Printer head for serial dot printer
01/05/1983EP0068988A1 Locking mechanisms and method of magnetizing a locking magnet therefor
01/04/1983US4367449 Magnetomechanical converter
01/04/1983CA1138976A1 Solenoid operated directional valves
01/04/1983CA1138803A1 Print hammer drive circuit with compensation for voltage variation
12/1982
12/29/1982EP0067937A2 Multi-chopping drive circuit for an electromagnetic print hammer or the like
12/29/1982EP0067936A2 Chopping drive circuit for an electromagnetic print hammer or the like
12/29/1982EP0067933A1 Electromagnet for NMR tomography
12/28/1982US4366524 Electromechanical transducer controlling device
12/28/1982US4366401 Electromagnetic devices
12/28/1982US4365747 Electromagnetically actuatable fuel injection valve
12/28/1982US4365680 Force measuring device
12/22/1982EP0067298A1 Electromagnetic actuator with position detection
12/21/1982US4365223 Magnetic circuit
12/14/1982US4363980 Linear motor
12/14/1982CA1137534A1 Solenoid with unrestrained disk-type armature
12/01/1982EP0065923A1 Mechanical-electromagnetic clutch
11/1982
11/30/1982US4361822 Magnetic pallet
11/30/1982US4361309 Electromagnetic actuator
11/30/1982US4361164 Method of driving solenoid-operated proportional control valve
11/24/1982EP0065310A2 Magnet system for a relay
11/24/1982EP0065141A1 Apparatus for x-ray examination of a body
11/24/1982EP0065103A2 Methods of operating an electro-magnetic transducer and apparatus therefor
11/23/1982CA1136198A1 Springless print head actuator
11/23/1982CA1136197A1 Electromagnetic cylindrical solenoid with helical deformable elastic element
11/23/1982CA1136178A1 Electromagnet with a moving system and permanent magnet, especially for contactors
11/16/1982US4359706 Magnet pole pieces and pole piece extensions and shields
11/16/1982CA1135789A1 Magnet coil arrangement for generating a homogeneous magnetic field for magnetic resonance arrangements
11/11/1982WO1982003944A1 Polarized electromagnetic relay
11/11/1982WO1982003943A1 Trip solenoid
11/09/1982US4358812 Driver circuit for use with inductive loads or the like
11/09/1982US4358691 Linear electric motor
11/09/1982CA1135317A1 High-speed, high-efficiency electromagnetic print hammer actuator
11/09/1982CA1135081A1 Process for the preparation of powdered ferrites
11/02/1982US4356980 Electromagnetically actuatable valve
11/02/1982US4356772 Magnetically levitated object
11/02/1982CA1134893A1 Rotary actuator with selectable response characteristics
10/1982
10/27/1982EP0063488A2 Armature holding structure
10/26/1982US4356467 Magnetic work-holding device
10/26/1982US4355878 Magnetic device
10/26/1982US4355620 Fuel system for an internal combustion engine
10/19/1982USRE31062 Limited-rotation motor with integral displacement transducer
10/19/1982US4355236 Variable strength beam line multipole permanent magnets and methods for their use
10/19/1982US4354662 Force motor
10/13/1982EP0062134A1 Permanent-magnet body from a composition of plastics and magnetic material, method for its production and eddy current tachometer with such a permanent-magnet body
10/12/1982CA1133562A1 Moving permanent magnet limited motion actuator
10/12/1982CA1133560A1 Magnetically controlled closure system for motor-compressor set
09/1982
09/30/1982WO1982003177A1 Apparatus for the medical treatement of living organisms, partic ularly human beings
09/29/1982EP0060969A1 Magnetic drive system for producing linear movements
09/28/1982US4352048 Electromagnetic actuator apparatus
09/28/1982US4351480 Fuel injection valve for an automotive vehicle
09/28/1982US4351430 Magnetic rail construction for can conveyor
09/28/1982CA1132646A1 Linear motor
09/28/1982CA1132645A1 Solenoid having non-rotating plunger
09/21/1982US4350379 Universal lifting magnet
09/21/1982US4350319 Control for an electromagnetic solenoid valve
09/07/1982CA1131298A1 Control circuits for solenoids
09/07/1982CA1131280A1 Bi-directional linear actuator
09/07/1982CA1131171A1 Treatment of fuel
08/1982
08/31/1982CA1130849A1 Magnetically attracted and locked electromagnet plunger
08/24/1982US4346416 Rotary actuator assembly for disk drive head positioner
08/24/1982US4346319 Rotary electromagnetic actuator
08/24/1982CA1130372A1 Compensated dual injector driver
08/24/1982CA1130371A1 Open-circuit magnet structure for cross-field tubes and the like
08/19/1982WO1982002794A1 Driver circuit for use with inductive loads or the like
08/18/1982EP0057896A2 Circuit for operation of an electromagnetically actuated hammer
08/17/1982US4345296 Device for controlling the current through an inductive consumer, especially a magnetic valve in the fuel metering system of an internal combustion engine
08/17/1982US4345228 Rotary actuator
08/10/1982US4344056 Electromagnet with replaceable friction face
08/10/1982US4344055 Automatic trip device for circuit interrupter
08/10/1982US4343275 Electromagnetically actuated pumps
08/10/1982CA1129528A1 Electrically controlled proportional valve
08/10/1982CA1129470A1 Multi-stage solenoid actuator for extended stroke
08/03/1982US4342973 Solenoid annunciator
07/1982
07/27/1982US4342018 Magnet control device for cameras
07/27/1982US4341290 Device for automatically controlling the braking force of an eddy current and/or friction track brake
07/20/1982US4340323 Decelerating and reorienting elongated magnetic articles
07/20/1982US4339853 Magnetic decoupler
07/13/1982US4339737 Rotary electrically actuated device
07/13/1982US4339718 Coil arrangements
07/13/1982US4339109 Electromagnetically operated valve unit
07/13/1982US4339082 Rapid transient electroinjector
07/06/1982US4338651 Dual coil driver
07/06/1982US4338585 Solenoid having a hinged armature
07/06/1982US4338545 Magnetron unit with a magnetic field adjusting means