| Patents for H02K 41 - Propulsion systems in which a rigid body is moved along a path due to dynamo-electric interaction between the body and a magnetic field travelling along the path (10,066) |
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| 01/19/2000 | CN1241771A Optical disc system having current monitoring circuit with controller for laser driver and method for operating same |
| 01/19/2000 | CN1241770A Laser driver for controlling electrical current directed to laser in optical dis system |
| 01/19/2000 | CN1048467C Gap adjusting apparatus for cylindrical linear motor for elevator |
| 01/18/2000 | US6016237 Shaft construction of a disk drive |
| 01/18/2000 | US6016021 Linear stepper motor |
| 01/13/2000 | DE19829889A1 Primary unit for linear and planar direct drive has high accuracy positioning of core plate packets in the primary unit ensured in a simple manner |
| 01/12/2000 | EP0971343A2 Method and apparatus for moving a carriage assembly from an initial position to a target position |
| 01/11/2000 | US6013959 Lamination structure for an electromagnetic device |
| 01/06/2000 | WO2000001059A1 Linear synchronous motor |
| 01/05/2000 | CN1240295A Optical disc driving system and the insulator for damping unhoped mechanical force affection |
| 01/05/2000 | CN1240290A Compact disc system having current monitoring circuit assembly and operation method thereof |
| 12/30/1999 | DE19829052C1 Synchronous linear motor for linear motor setting |
| 12/30/1999 | DE19827846A1 Antrieb für eine Nähmaschine, insbesondere eine Industrienähmaschine Drive for a sewing machine, in particular an industrial sewing machine |
| 12/29/1999 | EP0967596A1 Carriage and actuator assembly |
| 12/29/1999 | EP0967316A2 Drive for a sewing machine, in particular an industrial sewing machine |
| 12/29/1999 | EP0784883B1 Synchronous linear motor |
| 12/28/1999 | US6008881 Motion damper with electrical amplifier, and lithographic device with such a motion damper |
| 12/28/1999 | US6008553 Linear motor with negative pressure cooling circuit |
| 12/28/1999 | US6008552 Linear drive device |
| 12/22/1999 | CN1239295A Focus capture for optical disc system |
| 12/22/1999 | CN1239294A Focus capture for optical disc system |
| 12/22/1999 | CN1239288A Method of changing rotational rate of storage medium from initial rate to desired rate |
| 12/22/1999 | CN1239287A Servo control system for information storage device |
| 12/22/1999 | CN1239286A Focusing method and system for focus capture and focus control in optical disc system including detection of quad sum signal to close focus |
| 12/22/1999 | CN1239285A Analog to digital converter and assembly for use in optical drive system and method therefore |
| 12/21/1999 | US6005747 High capacity disk drive with two stator windings |
| 12/21/1999 | US6005310 Brushless linear motor slider |
| 12/21/1999 | US6005309 Two-axis motor with high density magnetic platen |
| 12/21/1999 | US6003230 Magnetic positioner having a single moving part |
| 12/14/1999 | US6002184 Actuator with opposing repulsive magnetic forces |
| 12/08/1999 | EP0962043A1 Apparatus for producing linear motion |
| 12/08/1999 | EP0961576A1 Rotating mechanism for dental panorex |
| 12/07/1999 | US5999342 Objective lens driving system and manufacturing method for same |
| 12/07/1999 | US5998905 Slotless electric motor or transducer and method for making same |
| 12/07/1999 | US5998890 Linear motor with improved coil design and heat removal |
| 12/07/1999 | US5998889 Electro-magnetic motor cooling system |
| 12/01/1999 | EP0961393A1 Linear motor for textile machine, device with a linear motor and Loom with this device |
| 12/01/1999 | EP0961392A2 Method and apparatus for vibration reduction/control in a variable reluctance linear motor |
| 12/01/1999 | EP0960286A1 Motors, and bearings therefor |
| 12/01/1999 | CN1237284A Optical position-measurement device |
| 11/30/1999 | US5994798 Closed-path linear motor |
| 11/25/1999 | WO1999060370A2 Method and apparatus for generating controlled torques |
| 11/25/1999 | CA2331947A1 Method and apparatus for generating controlled torques on objects particularly objects inside a living body |
| 11/24/1999 | EP0959549A1 Brushless permanent magnet electric motor |
| 11/23/1999 | US5991124 Rotary disc drive actuator utilizing plural axially spaced and partially overlapped voice coils |
| 11/23/1999 | US5990652 Swing system for a surface mining shovel |
| 11/23/1999 | US5990583 Shaft-type linear motor |
| 11/18/1999 | DE19921787A1 Linear actuator for providing linear movement in specific region |
| 11/16/1999 | US5986362 Magnetic circuit for voice coil motor of flat-coil type |
| 11/09/1999 | US5982053 Rotary-linear actuator |
| 11/04/1999 | WO1999055533A2 Roller for a rotary press |
| 11/02/1999 | US5978172 Voice coil driven positioner for coarse and fine positioning of magnetic head in multi-track tape drive |
| 11/02/1999 | US5977664 Linear motor having automatic armature windings switching at minimum current points |
| 10/28/1999 | WO1999054990A1 Improved electric motor |
| 10/28/1999 | DE19813155C1 Mehrsträngige Transversalflußmaschine Multi-strand transverse flux |
| 10/26/1999 | US5974007 Apparatus for moving a carriage assembly from an initial position to a target position |
| 10/26/1999 | US5973459 Linear motor apparatus, and stage apparatus, exposure system and device production method using the linear motor apparatus |
| 10/26/1999 | US5973421 Voice coil motor actuator for magnetic disk device |
| 10/21/1999 | WO1999053600A1 Linear motor having polygonal coil unit |
| 10/21/1999 | WO1999053127A1 Sewing or knitting machine |
| 10/21/1999 | DE19817090A1 Linear positioning system with rail at which is located support longitudinally movable with follower extending in longitudinal recess of rail which is connected with linear motor as driving facility |
| 10/21/1999 | DE19816607A1 Feed element drive for moving fabric on sewing or embroidery machines |
| 10/19/1999 | US5969454 Switched reluctance motor |
| 10/14/1999 | WO1999013681B1 Aerogels, piezoelectric devices, and uses therefor |
| 10/13/1999 | EP0949749A1 Improved winding for linear motors without slots |
| 10/13/1999 | EP0949748A1 High performance slotless linear motor with supported windings |
| 10/13/1999 | EP0847613B1 Electric motor |
| 10/12/1999 | US5965963 Linear motor with a plurality of stages independently movable on the same path |
| 10/12/1999 | US5965962 Linear stepper motor |
| 10/07/1999 | DE19814337A1 Electric pulse motor for propulsion drive for boat |
| 10/07/1999 | DE19802255C1 Contactless magnetic support device between two magnetically active partner elements, esp. for use for transport applications |
| 10/05/1999 | US5963330 Optical position measuring device |
| 10/05/1999 | US5962937 X-Y table for moving loads in a highly exact and dynamic manner |
| 09/28/1999 | US5959415 Linear motor with improved coil design and heat removal |
| 09/28/1999 | US5959374 Electromagnetic actuator |
| 09/28/1999 | US5959373 Linear motor |
| 09/23/1999 | WO1999048192A1 Flat motor, stage, exposure apparatus and method of producing the same, and device and method for manufacturing the same |
| 09/23/1999 | WO1999048191A1 Impulse-decoupled direct drive mechanism |
| 09/23/1999 | WO1999048190A1 Multi-phase transverse flux machine |
| 09/23/1999 | DE19812434A1 Direct drive for curved movement |
| 09/21/1999 | US5955808 Multi-phase electric machine with offset multi-polar electric pole units |
| 09/21/1999 | US5955798 Linear motor |
| 09/16/1999 | WO1999046849A1 Hoisting drive for use in the iron and steel industry |
| 09/16/1999 | WO1999046848A1 Method of manufacturing linear motor, linear motor, stage provided with the linear motor, and exposure system |
| 09/16/1999 | DE19811075A1 Multiphase transverse flux machine |
| 09/16/1999 | DE19811073A1 Cylindrical, multiple phase transversal flux actuator, esp. for use with hexapod machines |
| 09/16/1999 | DE19810996A1 Motor to drive useful load in machine |
| 09/14/1999 | US5952744 Rotary-linear actuator |
| 09/14/1999 | US5952743 Electric motor |
| 09/14/1999 | US5952742 Synchronous linear motor with improved means for positioning and fastening permanent magnets |
| 09/14/1999 | US5950773 Braking apparatus for a linear motion guiding apparatus |
| 09/10/1999 | WO1999045624A1 An improved electric motor |
| 09/08/1999 | EP0940000A1 Electronically switched two phases reluctance machine |
| 09/07/1999 | US5949161 Linear drive device |
| 09/07/1999 | US5949036 Double linear motor and elevator doors using same |
| 09/01/1999 | EP0939482A2 A linear motor |
| 09/01/1999 | EP0939299A2 A linear encoder |
| 09/01/1999 | EP0938769A1 Optical position-measurement device |
| 09/01/1999 | CN2336514Y Linear motor |
| 08/31/1999 | US5945748 Linear motor structure for linear compressor |