| Patents for G05D 3 - Control of position or direction (13,741) | 
|---|
| 07/31/1990 | CA1272268A1 Registration of press to existing pattern | 
| 07/25/1990 | EP0378913A2 Apparatus and process for measuring data disk runout and acceleration parameters | 
| 07/25/1990 | EP0378708A1 Apparatus for controlling acceleration and deceleration for servo control | 
| 07/24/1990 | WO1990008016A1 Positioning correction for robots | 
| 07/24/1990 | CA2022988A1 Corrective positioning method in a robot | 
| 07/18/1990 | EP0378331A2 Servo circuit | 
| 07/18/1990 | EP0378328A2 Servo positioning circuit | 
| 07/18/1990 | EP0186596B1 Linear displacement control system comprising a dc motor | 
| 07/17/1990 | US4942292 Apparatus for following sun light | 
| 07/17/1990 | US4941265 Apparatus for preventing changes of the positions of machines | 
| 07/10/1990 | US4941106 Apparatus for recognizing and approaching a three-dimensional target | 
| 07/10/1990 | US4940924 Positioning control apparatus | 
| 07/03/1990 | CA1271243A1 Power transmission | 
| 06/28/1990 | WO1990007032A1 Teaching/playback method of working machine | 
| 06/27/1990 | EP0374255A1 Method of controlling servo motor | 
| 06/26/1990 | US4937512 Stability compensating circuit | 
| 06/26/1990 | US4937510 Control apparatus for a linear motor for driving a pickup | 
| 06/19/1990 | CA1270542A1 Method and apparatus for correcting resolver errors | 
| 06/13/1990 | EP0372082A1 Method for returning to origin | 
| 06/12/1990 | US4933674 Method and apparatus for correcting resolver errors | 
| 06/12/1990 | US4933613 Control for operating a plurality of window operators | 
| 06/12/1990 | CA1270325A1 Means for indexing a rotary arm in small angular steps | 
| 06/06/1990 | EP0371146A1 Numerical controller | 
| 06/06/1990 | EP0371142A1 Method of correcting loci of an industrial robot | 
| 06/06/1990 | EP0371110A1 Compliant motion servo | 
| 06/05/1990 | US4932013 Apparatus for reading an optical disk which controls track jumping accurately and stably | 
| 05/30/1990 | EP0370105A1 Digital follow-up system | 
| 05/30/1990 | EP0370053A1 Image scanner. | 
| 05/23/1990 | EP0369866A1 Mobile member control apparatus | 
| 05/23/1990 | EP0369393A2 Precision work positioning by electrical measurement | 
| 05/23/1990 | EP0369190A1 Position control method and apparatus | 
| 05/22/1990 | US4928091 Apparatus for detecting position of moving object | 
| 05/22/1990 | CA1269435A1 Mechanism for positioning an output member | 
| 05/15/1990 | US4926063 Square root digital-to-analog converter | 
| 05/15/1990 | US4925312 Robot control system having adaptive feedforward torque control for improved accuracy | 
| 05/15/1990 | US4924754 Circuit arrangement for a hydraulic drive in a position control circuit | 
| 05/08/1990 | US4924165 Servo control system carrying out coarse control and fine control | 
| 05/08/1990 | CA1268858A1 Adaptive control technique for a dynamic system | 
| 05/08/1990 | CA1268857A1 Digital servo control system for a data recording disk file | 
| 05/03/1990 | WO1990004815A1 Reference point return system | 
| 05/01/1990 | US4920660 Fine positioning device and displacement controller therefor | 
| 04/25/1990 | EP0364572A1 Apparatus for tracking the surface of a workpiece | 
| 04/25/1990 | EP0364496A1 Process and device for positioning a part. | 
| 04/25/1990 | CN1007756B Power transmission | 
| 04/24/1990 | US4920305 Auto calibrating electro hydraulic servo driver | 
| 04/18/1990 | EP0364164A2 Capacitance guided assembly of parts | 
| 04/18/1990 | CN1041484A Automactic orientation system of tv antenna | 
| 04/17/1990 | US4918546 Tracking control devices for video tape recorders | 
| 04/11/1990 | EP0362379A1 Device for remote transmission of rotation angle and torque between driving and driven shafts | 
| 04/11/1990 | EP0156920B1 Profiling control method | 
| 04/10/1990 | WO1990011562A1 Feedfordward control unit for servomotor | 
| 04/10/1990 | US4916375 Servomotor control apparatus | 
| 04/05/1990 | WO1990003603A1 Servo controller | 
| 04/05/1990 | DE3831988A1 Proportional valve with a control amplifier | 
| 04/03/1990 | US4914370 Servo-control circuit | 
| 04/03/1990 | US4914366 Positioning control system | 
| 04/03/1990 | US4914362 Electric circuit with limit switches for limiting rotatable range of electric drive unit | 
| 03/29/1990 | DE3832577A1 Control device for an installation movable by a pull-cord, especially for a stage curtain | 
| 03/29/1990 | DE3832366A1 Method and device for exact horizontal guidance or alignment | 
| 03/28/1990 | EP0360490A2 Hybrid sample rate servo motor controller | 
| 03/27/1990 | US4912753 Robot axis controller employing feedback and open loop (feedforward) control | 
| 03/27/1990 | US4912387 Adaptive noise cancelling for magnetic bearing auto-balancing | 
| 03/22/1990 | WO1990003060A1 Control apparatus | 
| 03/21/1990 | EP0358989A2 Position or speed sensing apparatus | 
| 03/20/1990 | US4909822 Heating; control actuator for positioning | 
| 03/20/1990 | CA1266761A1 Automated positioning system | 
| 03/15/1990 | DE3830275A1 Servo drive and method for converting a control deflection into an associated position deflection | 
| 03/13/1990 | US4908559 Robot control apparatus | 
| 03/08/1990 | WO1990002367A1 Numerical controller | 
| 03/06/1990 | US4906908 Method for numerical position control of motor-driven shafts | 
| 03/06/1990 | US4906907 Robot system | 
| 02/28/1990 | EP0355115A1 Process for regulating the speed of rotation of an electric motor. | 
| 02/27/1990 | US4903940 Device for positioning an adjusting member | 
| 02/22/1990 | WO1990001732A1 Impingement detection/driving stop method in machine driven by servo motor | 
| 02/21/1990 | EP0355050A2 X-Y table error mapping apparatus and method | 
| 02/20/1990 | US4902953 Motorized window blind electrical actuator | 
| 02/20/1990 | US4902950 Numerical control method with response delay compensating function | 
| 02/20/1990 | US4902947 Servo circuit with failure detection mechanism | 
| 02/20/1990 | US4901628 Hydraulic actuator having a microwave antenna | 
| 02/20/1990 | US4901624 Hydraulic driving device | 
| 02/13/1990 | US4899998 Rotational positioning device | 
| 02/08/1990 | WO1990001188A1 Method of returning to origin | 
| 02/08/1990 | WO1990001187A1 Apparatus for controlling acceleration and deceleration for servo control | 
| 02/07/1990 | EP0353897A2 Control system for a disk drive head | 
| 02/06/1990 | US4899234 Adaptive velocity profile for disk actuator control | 
| 01/30/1990 | US4897589 Apparatus for indexing an origin of a moving member | 
| 01/30/1990 | CA1265241A1 Disk drive positioning system providing passive head crash protection | 
| 01/25/1990 | DE3825127A1 Position control device for the operation of a hydraulic drive | 
| 01/24/1990 | EP0352137A2 Pulse-width modulator and driving unit using the same | 
| 01/11/1990 | DE3827000A1 Actuating drive for valves and similar regulating elements | 
| 01/09/1990 | US4893254 Manipulator arm position sensing | 
| 01/09/1990 | US4893066 Hybrid sample rate servo motor controller | 
| 01/03/1990 | EP0349086A1 Control system | 
| 01/02/1990 | US4891568 Servo motor system for transportation | 
| 01/02/1990 | US4890599 Solar panel mounting assembly | 
| 12/27/1989 | CN1038359A Machine tool error compensation systems and the like | 
| 12/26/1989 | US4890046 Numerical control apparatus | 
| 12/26/1989 | US4889988 Feedback control for scanning tunnel microscopes | 
| 12/26/1989 | US4888878 Fine positioning device | 
| 12/19/1989 | US4888538 System for remote transmission of angular position and force between master and slave shafts |