Patents for H02K 37 - Motors with rotor rotating step by step and without interrupter or commutator driven by the rotor, e.g. stepping motors (3,591) |
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03/31/2004 | EP1404010A1 Low-profile stepping motor with two coils arranged flush with each other |
03/31/2004 | EP1402617A1 Brush-less motor using vernier structure |
03/30/2004 | US6714733 Step motor with interpole pair stabilizing rest position |
03/30/2004 | US6713985 Drive control apparatus for stepping motor |
03/30/2004 | US6713936 Stepping motor |
03/30/2004 | US6713910 Control unit comprising an electric motor with a rotary magnet |
03/25/2004 | US20040056544 Stator structure of motor |
03/24/2004 | CN1484362A Direct driving permanent magnet type magnetic resistance motor |
03/23/2004 | US6710503 Stator structure for claw-pole type stepping motor |
03/18/2004 | US20040053124 Microscopic batteries for MEMS systems |
03/18/2004 | US20040051404 Stepping motor |
03/16/2004 | US6707196 Motor with improved motor casing |
03/16/2004 | US6707178 Permanent magnet type twelve-pole stepping motor |
03/11/2004 | US20040046463 Stepping motor |
03/10/2004 | CN1481070A Driving gear of stepper dynamo and its driving method |
03/10/2004 | CN1481065A Driving gear, fader and lens driving gear |
03/09/2004 | US6703728 Step motor with double coil in a plane |
03/04/2004 | US20040041495 Stator sub-assembly, stator assembly, motor and manufacturing method of stator assembly |
03/03/2004 | EP1394926A1 Method for producing a stator of a stepping motor having a permanent magnetic disc type rotor, stator and motor produced according to this method |
03/03/2004 | EP1394923A1 Stator sub-assembly, stator assembly, and manufacturing method of stator assembly |
03/02/2004 | US6700271 Hybrid synchronous motor equipped with toroidal winding |
03/02/2004 | US6700240 Stepping motor, stepping motor device and driving method thereof |
03/02/2004 | US6700234 Electromagnetic device |
02/26/2004 | WO2004017489A1 Magnet of dynamo-electric machine |
02/26/2004 | US20040036370 Electromechanical wheel brake device |
02/26/2004 | US20040036369 Sealed motor |
02/26/2004 | US20040036364 Lead screw type stepping motor |
02/25/2004 | CN1477764A Stepping motor with several step angles |
02/25/2004 | CN1140041C Motor |
02/11/2004 | EP1388731A1 Motor and panel meter incorporating same |
02/05/2004 | US20040021375 Stepping motor and manufacturing method therefor |
01/29/2004 | US20040018421 Microscopic batteries for MEMS systems |
01/29/2004 | US20040017277 Electromagnetic device |
01/28/2004 | CN1471222A 步进电机 Stepper motor |
01/22/2004 | US20040012273 Motor and panel meter incorporating same |
01/21/2004 | EP1382109A1 Low profile motor with internal gear train |
01/21/2004 | CN1469528A Stator structure of motor |
01/21/2004 | CN1135678C Stepping motor |
01/21/2004 | CN1135451C Controller of step motor, control method and timing device |
01/20/2004 | US6680597 Method for setting a polyphase electric stepper motor |
01/15/2004 | US20040007924 Stepping motor |
01/14/2004 | CN1467903A 步进电机 Stepper motor |
01/14/2004 | CN1134717C Control device for step-by-step motor, and control method and timing device thereof |
01/06/2004 | US6674187 Hybrid stepping motor |
12/31/2003 | WO2004001935A1 Stator coil t-connection for two-phase step motors |
12/30/2003 | US6670732 Magnet type stepping motor |
12/30/2003 | US6670731 Stepping motor |
12/25/2003 | US20030234586 Stepping motor |
12/18/2003 | WO2001018940A3 Permanent magnet motor |
12/17/2003 | CN1131585C Electromechanical sighle-phase stepped motor |
12/16/2003 | USRE38346 Three-phase permanent magnet cascade claw type stepping motor |
12/11/2003 | US20030228079 Motor with axially moveable bearing member |
12/11/2003 | US20030227273 Apparatus and method for driving a stepping motor |
12/10/2003 | EP1369978A2 Stepping motor |
12/10/2003 | CN2591858Y DC brushless vibrating motor |
12/10/2003 | CN2591857Y Stepped motor with improved fixed structure of rotor |
12/10/2003 | CN2591856Y Step-by-step motor for driving instrument pointer deflection |
12/03/2003 | EP1367695A1 Motor with connectors |
12/03/2003 | CN1129998C Method for driving opening closing member |
12/02/2003 | US6657353 Permanent magnet electric machine with energy saving control |
12/02/2003 | US6657335 Stepping motor and driving apparatus having separate position detection coil |
11/26/2003 | CN1458733A Directly driveng mixed reluctance motor |
11/20/2003 | US20030214191 Electro drive |
11/19/2003 | EP1363384A2 A self-starting brushless electric motor |
11/19/2003 | EP1363382A1 Electric drive |
11/13/2003 | US20030210010 Stepping motor, stepping motor device and driving method thereof |
11/12/2003 | CN1455503A 电机 Motor |
11/04/2003 | US6642687 Stepping-motor driving device and lens driving device using the same |
11/04/2003 | US6640743 Meter having illuminated pointer |
10/30/2003 | US20030201678 Rotor structure of permanent magnet stepping motor |
10/30/2003 | US20030201677 Step motor with multiple stators |
10/29/2003 | CN1452805A 步进电机 Stepper motor |
10/23/2003 | WO2003005530A3 An integrated position resolver for hybrid synchronous electric motors |
10/23/2003 | US20030197434 Two-pole step motor for timepiece |
10/22/2003 | CN2582266Y 步进电机 Stepper motor |
10/22/2003 | CN2582265Y Structure-improved stepping motor |
10/14/2003 | US6633105 Permanent magnet motor |
10/09/2003 | US20030189379 Rotor and molding die for rotor |
10/08/2003 | CN1447499A Motor and its mfg. method |
10/08/2003 | CN1447498A Stepping dynamo |
10/02/2003 | US20030184166 Structure of rotors in stepping motors |
09/30/2003 | US6628187 Electromagnetic device structured to resist corrosion |
09/30/2003 | US6628032 Motor or generator type electromagnetic devices |
09/25/2003 | US20030178911 Motor and optical apparatus using the same |
09/25/2003 | US20030178897 Stepping motor |
09/24/2003 | CN1444330A Electric machine |
09/17/2003 | EP1344300A2 Unipolar transverse flux machine |
09/17/2003 | CN1442946A Motor and its manufacturing method |
09/11/2003 | US20030168922 Stepping motor |
09/03/2003 | CN1439941A Driving power transferring mechanism and its damper device |
08/28/2003 | US20030159736 Driving force transmission mechanism and damper apparatus equipped with driving force transmission mechanism |
08/27/2003 | CN1438757A Step-by-step motor |
08/26/2003 | US6610440 Microscopic batteries for MEMS systems |
08/21/2003 | WO2003069766A1 Flat stepping motor |
08/20/2003 | CN2567870Y Output mobile motor |
08/19/2003 | US6608416 Motor and method of manufacturing the same |
08/14/2003 | US20030152815 Microscopic batteries for MEMS systems |
08/12/2003 | US6605883 Multi-phase flat-type PM stepping motor and driving circuit thereof |
07/30/2003 | CN1116627C Two-phase electromechanical transducer and electromechanical device including at least one such transducer |
07/29/2003 | CA2236298C Low cost multi-pole motor constructions and methods of manufacture |