| Patents for H02P 8 - Arrangements for controlling dynamo-electric motors rotating step by step (4,097) |
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| 10/20/2004 | CN1172309C Seeking for pattern forming cirucit |
| 10/19/2004 | US6806675 Stepper motor controller |
| 10/13/2004 | EP1194999B1 Method for setting a polyphase electric stepper motor |
| 10/13/2004 | CN1536118A Sewing machine and recording medium recorded with pulse electric machine control program |
| 10/07/2004 | US20040195991 Step motor control device and electronic timepiece |
| 10/06/2004 | CN1534861A Step electric machine controlling device and electronic clock |
| 10/06/2004 | CN1534860A Method of lifting step motor accelration and speed reducing characteristics |
| 09/30/2004 | WO2004083968A2 Method and device for adjusting an element |
| 09/30/2004 | US20040189238 Fan motor |
| 09/30/2004 | US20040189237 Motor controller, semiconductor integrated circuit, indicating instrument and method for controlling a motor |
| 09/30/2004 | DE10312644A1 Verfahren und Vorrichtung zum Verstellen eines Elements Method and apparatus for moving an element |
| 09/29/2004 | EP1463194A1 Stepping motor driver |
| 09/28/2004 | US6798164 Initializing drive apparatus |
| 09/23/2004 | WO2004082126A1 Electric vehicle with adaptive cruise control system |
| 09/23/2004 | CA2519130A1 Electric vehicle with adaptive cruise control system |
| 09/22/2004 | EP0890217B1 System for detecting abutment and blocking in a stepped motor |
| 09/22/2004 | CN1531188A Driver and driving method of step-by-step motor |
| 09/22/2004 | CN1168196C Electronic device |
| 09/16/2004 | US20040181323 Electric vehicle with adaptive cruise control system |
| 09/16/2004 | US20040178763 Stepping motor driver |
| 09/16/2004 | US20040178762 Step motor control device and electronic timepiece |
| 09/10/2004 | WO2004077176A2 Pulse output function for programmable logic controller with linear frequency change |
| 09/09/2004 | US20040174200 Pulse output function for programmable logic controller with linear frequency change |
| 09/08/2004 | CN1527163A Stepping motor control equipment and electronic chronometer |
| 09/02/2004 | US20040169487 Shutter mechanism including stepping motor control apparatus with upper and lower limit stopping position control |
| 09/02/2004 | US20040169486 Stepping motor control apparatus |
| 09/01/2004 | CN2637822Y Regular distance device of electronic product |
| 08/31/2004 | US6785199 Drive device including a restart drive detection element |
| 08/25/2004 | EP1450163A2 Syringe with bubble flushing |
| 08/25/2004 | EP1450162A2 Cartridge feeder apparatus |
| 08/25/2004 | EP1450161A2 Automatic closure of containers |
| 08/24/2004 | US6781341 Abnormality detector for a motor drive system |
| 08/19/2004 | US20040161263 Image forming apparatus and method for preventing local damage of gears and controlling deviation of position of color images |
| 08/19/2004 | DE10303071A1 Control of DC uses an H bridge circuit having inductive load with switches and switch on time cycle control |
| 08/19/2004 | DE10302004A1 Circuit for stepper motor for tapping rotation direction-related signals from encoder device with 2 offset encoders has feedback comparator with delay capacitor producing motor winding drive signal |
| 08/19/2004 | DE10253963B3 Initialisierender Antriebsapparat Initializing drive apparatus |
| 08/18/2004 | CN1162957C Stepper motor drive, method of driving steeper motor |
| 08/17/2004 | US6778367 Method and device for detecting the blocking of a stepper motor |
| 08/11/2004 | EP0820255B1 Motor controlled surgical system having positional control |
| 08/11/2004 | CN2632928Y Multi-step-by-step motor coaxial connecting and driving apparatus |
| 08/11/2004 | CN1519670A Timepiece unit and method for controlling timepiece unit |
| 08/10/2004 | US6774600 Matrix connected driver for multiple two phase motors |
| 08/05/2004 | US20040150357 Control apparatus for vibration type actuator and electronic apparatus using it |
| 08/04/2004 | EP1443638A2 Method and device for controlling a stepping motor, and indicating instrument comprising the stepping drive |
| 08/03/2004 | US6771178 Method of identifying actuators in a motor-vehicle air-conditioning installation |
| 08/03/2004 | US6771038 Instrument reference system |
| 07/21/2004 | CN1514104A Shutter rolling mechanism including step-by-step motor controller for controlling upper and lower limit stop position |
| 07/14/2004 | CN2626131Y Integrated circuit for step motor |
| 07/14/2004 | CN1512658A Step motor driving device and method |
| 07/08/2004 | US20040130089 Sheet feeding apparatus and image reading and recording apparatus provided with the same |
| 07/07/2004 | CN1510827A Controller of step-by-step motor |
| 07/06/2004 | US6759826 Control strategy for switched reluctance drive systems |
| 07/01/2004 | US20040125166 Electronic device including mechanical module and method for obtaining alternative characteristic values for the device |
| 07/01/2004 | US20040124804 Stepping motor drive device and method |
| 06/30/2004 | EP1434344A1 Stepping motor control apparatus |
| 06/30/2004 | EP1433921A1 Shutter mechanism including stepping motor |
| 06/30/2004 | EP1433248A1 Stepper motor controller |
| 06/30/2004 | CN1509513A Motor driving device and apparatus including same device |
| 06/24/2004 | US20040119459 Meter unit having magnetic pointer position detector |
| 06/24/2004 | DE10357969A1 Nullung eines Schrittmotors ohne Rauschen oder Bewegung Zeroing a stepper motor without noise or movement |
| 06/22/2004 | US6754028 Control integrated circuit for floppy disk drive |
| 06/17/2004 | US20040113581 Stepping motor controller, scanning apparatus, and image forming apparatus |
| 06/16/2004 | EP1429201A1 Colour Image forming apparatus and method with a control of the starting position of a drive gear |
| 06/16/2004 | CN1505253A Drive circuit for single-phase motor and drive method for single-phase motor |
| 06/16/2004 | CN1504835A Image forming apparatus and method |
| 06/15/2004 | US6750627 Open-loop step motor control system |
| 06/10/2004 | US20040108829 Re-zeroing of a stepper motor without noise or movement |
| 06/08/2004 | US6747433 Stepping motor controller |
| 06/08/2004 | US6747426 Motor control apparatus and method |
| 06/02/2004 | EP1423646A2 Determination of maximum travel of linear actuator |
| 06/02/2004 | CN2619411Y Step motor driving plate of CT bed |
| 05/25/2004 | US6741058 Drive unit for initialization |
| 05/19/2004 | CN2617079Y Step-by-step motor controller |
| 05/18/2004 | US6738219 Seek pattern formation circuit |
| 05/06/2004 | US20040088061 Acceleration deceleration control method |
| 05/04/2004 | US6731093 2-step bi-directional stepping motor |
| 05/04/2004 | US6731092 Apparatus and method for initializing stepper motor |
| 04/27/2004 | US6727674 Device for producing or controlling an alternating current in at least one inductive load |
| 04/22/2004 | US20040075412 Brushless motor control system |
| 04/21/2004 | CN1490930A Fixed current driving circuit for improving step precision of step motor |
| 04/21/2004 | CN1490191A Assembled instrument step motor controller of vehicle and control mode thereof |
| 04/15/2004 | DE19534146B4 Anzeigeeinrichtung mit einem von einem Schrittmotor angetriebenen Zeiger Display means having a pointer driven by a stepping motor |
| 04/15/2004 | DE10296377T5 Geschwindigkeitsabgleichsteuerverfahren Speed adjustment control method |
| 04/08/2004 | WO2004029732A1 Circuit for driving motor coils in stepping motors |
| 04/08/2004 | US20040066165 Motor control apparatus operable in fail-safe mode |
| 04/08/2004 | US20040066164 Motor driving device |
| 04/07/2004 | EP1406378A2 Step motor driving device |
| 04/01/2004 | US20040061471 Circuit for driving motor coils in stepping motors |
| 03/31/2004 | EP1403136A1 Step motor and method to perform the initial setting of such a motor |
| 03/31/2004 | CN1485978A Apparatus and method of controlling a stepper motor |
| 03/31/2004 | CN1485977A Method and apparatus for controlling linear acceleration and deceleration of step motor |
| 03/31/2004 | CN1144352C Drive method for frequency and voltage boosting step motor |
| 03/30/2004 | US6713985 Drive control apparatus for stepping motor |
| 03/24/2004 | CN1484373A Constant current driver for step motor |
| 03/23/2004 | US6710570 Optimized control of flap actuator of a motor-vehicle air-conditioning installation |
| 03/23/2004 | US6710559 Motor driving device for motor having multi-phase coils |
| 03/18/2004 | DE10337282A1 Meßgeräteeinheit mit einem Magnetzeiger-Positionsdetektor Meßgeräteeinheit with a magnetic pointer position detector |
| 03/18/2004 | DE10241602A1 Method for protection against mechanical blocking in stepper motor drives e.g. for automobile and office communication, involves reducing motor torque by use of PWM during travel towards design end-stop |
| 03/16/2004 | US6707388 Circuit for the controlled return of a pointer driven by a stepping motor in the event of failure of the supply voltage |
| 03/10/2004 | CN1481070A Driving gear of stepper dynamo and its driving method |