| Patents for H02P 8 - Arrangements for controlling dynamo-electric motors rotating step by step (4,097) |
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| 03/03/2004 | EP1393430A1 Motor driving device and apparatus including the same device |
| 03/03/2004 | CN1140961C Step motor controlling method |
| 03/02/2004 | US6700346 Motor driving circuit with a motor failure detecting function |
| 03/02/2004 | US6700240 Stepping motor, stepping motor device and driving method thereof |
| 02/26/2004 | US20040036439 Apparatus and method of controlling a stepper motor |
| 02/26/2004 | US20040036432 Apparatus and method of controlling a driving speed of a motor |
| 02/26/2004 | US20040035684 Conveying apparatus |
| 02/26/2004 | DE10237433A1 Power supply for electric motors in vehicle with 42 V supply network, halves supply voltage using voltage divider and op-amp, with zero-potential output connected to motor terminal |
| 02/25/2004 | CN1477764A Stepping motor with several step angles |
| 02/19/2004 | US20040032235 Motor control apparatus and motor control method |
| 02/19/2004 | DE10237434A1 Voltage supply for electric motor e.g. for setting drive controlling automobile air-conditioning device, is provided with at least one transistor half bridge circuit |
| 02/18/2004 | CN1476160A Motor controller and motor controlling method |
| 02/18/2004 | CN1475885A Control method for correcting stepper motor and its related device |
| 02/12/2004 | US20040027089 Stepper motor jam detection circuit |
| 02/11/2004 | EP1388930A2 Stepper motor jam detection circuit |
| 02/08/2004 | CA2435754A1 Stepper motor jam detection circuit |
| 01/22/2004 | DE10324846A1 Motorsteuerungsgerät Engine control device |
| 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 |
| 01/14/2004 | CN1134717C Control device for step-by-step motor, and control method and timing device thereof |
| 01/13/2004 | US6677723 Circuit for driving stepping motor |
| 01/08/2004 | US20040004911 Method and apparatus to control a step motor of an optical disk driving system |
| 01/08/2004 | DE10225610A1 Verfahren und Schaltungsanordnung zum Betreiben von Schrittmotoren Method and circuit for driving stepper motors |
| 01/07/2004 | CN1466144A Device and method for controlling step motor of optical disc driving system |
| 01/07/2004 | CN1465984A Unusual detector for vehicle carried electric loading driving system |
| 01/01/2004 | US20040001390 Electronic timepiece |
| 12/31/2003 | CN1464635A Equipment and method for controlling step motor |
| 12/30/2003 | US6670783 Method and apparatus for improved motor control through current/velocity correction |
| 12/30/2003 | US6670782 Stepping motor driver |
| 12/24/2003 | CN1463074A Motor driver and registering instrument including same |
| 12/24/2003 | CN1462914A Servo controller |
| 12/23/2003 | US6667595 Stall detection in stepper motors |
| 12/23/2003 | US6667594 Determination of maximum travel of linear actuator |
| 12/18/2003 | WO2003105332A1 Method and circuit arrangement for operating stepper motors |
| 12/17/2003 | CN1461980A 电子时钟 Electronic clock |
| 12/16/2003 | US6664754 Motor driving control apparatus |
| 12/16/2003 | US6664753 Apparatus of controlling to rotate step motor |
| 12/11/2003 | US20030227273 Apparatus and method for driving a stepping motor |
| 12/09/2003 | US6661193 Stepping motor driving apparatus with dynamic torque control |
| 12/04/2003 | WO2003100960A1 Stepper driver system with current feedback |
| 12/04/2003 | US20030222617 Motor control apparatus |
| 12/04/2003 | US20030222616 Stepper motor controller system and a method thereof |
| 12/04/2003 | US20030222615 Servo control device |
| 12/04/2003 | CA2484657A1 Stepper driver system with current feedback |
| 12/03/2003 | CN1459922A Abnormal detector for motor driving system |
| 12/02/2003 | US6657335 Stepping motor and driving apparatus having separate position detection coil |
| 11/27/2003 | US20030218443 Abnormality detector for a motor drive system |
| 11/26/2003 | CN1458741A Driving circuit for intelligent step motor |
| 11/26/2003 | CN1458718A Digital control wire peeler |
| 11/20/2003 | US20030214550 Motor driver and recording apparatus incorporating the same |
| 11/20/2003 | US20030214265 Stepper driver system with current feedback |
| 11/19/2003 | EP1362410A1 Method for detecting the constant torque blocking speed of a direct current electric motor |
| 11/13/2003 | US20030210010 Stepping motor, stepping motor device and driving method thereof |
| 11/12/2003 | EP1361487A2 Apparatus and method for motor control |
| 11/05/2003 | CN1453930A Control apparatus and control method for motor |
| 11/05/2003 | CN1127194C Electromechanical transducer comprising two rotors having permanent magnets |
| 11/04/2003 | US6643087 Disk drive with improved retract circuit and method |
| 11/04/2003 | US6642687 Stepping-motor driving device and lens driving device using the same |
| 10/30/2003 | WO2003089032A2 Implantable infusion device with optimized peristaltic pump motor drive |
| 10/30/2003 | US20030201740 Motor control apparatus and method |
| 10/29/2003 | EP1356583A1 Brushless motor control system |
| 10/29/2003 | CN1452312A Full-digital subdivision high-accuracy stepper motor controller |
| 10/23/2003 | US20030199855 Implantable infusion device with optimized peristaltic pump motor drive |
| 10/16/2003 | US20030193611 Controller apparatus, driving apparatus, image sensing apparatus, and methods thereof |
| 10/08/2003 | CN1447519A Stepmotor control circuit, and its control method |
| 10/02/2003 | US20030184255 Circuit and method for controlling stepping motor |
| 09/30/2003 | US6628098 Method for accelerating a control movement in a positioner system with step motors |
| 09/25/2003 | US20030178965 Stepping motor driver |
| 09/24/2003 | EP1347568A2 Stepping motor driver |
| 09/24/2003 | EP1346465A1 Method for adjusting a part |
| 09/23/2003 | US6624608 Indicating instrument for a vehicle |
| 09/18/2003 | US20030173929 Stepping motor driver |
| 09/17/2003 | EP1345316A1 Stepping motor driver |
| 09/17/2003 | EP1345314A2 Motor driver and recording apparatus incorporating the same |
| 09/11/2003 | US20030169011 Drive method of stepping motor |
| 09/10/2003 | CN1441544A Step motor controller |
| 09/09/2003 | US6618554 Controlling the acceleration and deceleration of a motor with an acceleration easement interval |
| 09/04/2003 | WO2003073599A1 2-step bi-directional stepping motor |
| 09/03/2003 | CN2571067Y Stepping motor numerical control system zero-back positioning electronic code disc |
| 08/28/2003 | US20030161011 Control device for stepping motor |
| 08/21/2003 | US20030155883 Stall detection in stepper motors |
| 08/20/2003 | CN2567870Y Output mobile motor |
| 08/14/2003 | US20030151997 Optical disk drive and method for controlling movement of optical pickup |
| 08/12/2003 | US6605883 Multi-phase flat-type PM stepping motor and driving circuit thereof |
| 08/07/2003 | WO2003023282A3 Determination of maximum travel of linear actuator |
| 08/06/2003 | EP1333573A2 Stepping motor driver using vector control |
| 08/06/2003 | EP1333572A2 Circuit for a controlled reset of a stepper motor driven pointer during loss of power en cas de défaillance |
| 08/06/2003 | CN1434565A Controller for step motor and conrol method thereof |
| 08/06/2003 | CN1434564A Vibration-inhibition controller for step motor and control method thereof |
| 08/05/2003 | US6603279 Electric motor drive and process for operating an electronically commutated electric motor |
| 07/31/2003 | US20030142520 Electric circuit |
| 07/31/2003 | US20030141838 Method of driving step motor |
| 07/31/2003 | US20030140842 Circuit for the controlled return of a pointer driven by a stepping motor in the event of failure of the supply voltage |
| 07/30/2003 | EP1330820A2 Drive device |
| 07/30/2003 | CN1433143A 电路 Circuit |
| 07/24/2003 | US20030137273 Method and apparatus for controlling acceleration and velocity of a stepper motor |
| 07/24/2003 | US20030137272 Stepping motor driver |
| 07/24/2003 | DE20305771U1 Circuit arrangement for operating stepper motors, activates fast-decay phase between end of on phase and end of defined time interval, and activates slow decay phase in second defined interval |
| 07/23/2003 | CN2562495Y Super small size decimal divided two phase step motor driver |
| 07/22/2003 | US6597147 1/8th and 1/16th micro-stepping motor drive software architecture |