| Patents for G05D 3 - Control of position or direction (13,741) |
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| 02/12/1991 | US4992714 Band pass filter device and a method of filtering using such a device |
| 02/12/1991 | US4992711 Positioning controlling device |
| 02/12/1991 | US4991491 Circuit arrangement for position and feed control of a hydraulic cylinder |
| 02/12/1991 | US4991309 Fine positioning device and displacement controller therefor |
| 02/06/1991 | EP0411139A1 Positioning correction for robots |
| 02/05/1991 | CA1279892C Digital robot control providing pulse width modulation for a brushless dc drive |
| 01/29/1991 | US4989161 Control unit for a multi-degree-of freedom manipulator |
| 01/29/1991 | US4988937 Synchronous control system and method therefor |
| 01/29/1991 | US4988934 Robot control apparatus |
| 01/22/1991 | US4987546 Method and circuit for controlling the speed of an object moveable by a drive |
| 01/22/1991 | US4987303 Micro-displacement detector device, piezo-actuator provided with the micro-displacement detector device and scanning probe microscope provided with the piezo-actuator |
| 01/10/1991 | DE3922008A1 Hydraulic control has return magnet on drive side - and movement path transmitter on drive output to synchronise hydraulic connection |
| 01/09/1991 | EP0407281A1 Simplified feeding system for potentiometers in electronic memorisation of car seats and other |
| 01/09/1991 | EP0127674B1 Real time servo control apparatus and method |
| 01/08/1991 | US4983893 Actuator with stepping motion function |
| 01/08/1991 | US4982918 Control apparatus |
| 01/07/1991 | WO1991000976A1 Fine adjustment control mechanism for orientation and/or positioning of a pay load |
| 01/02/1991 | EP0406167A1 Control device of a roll element driven by a motor |
| 01/02/1991 | CN2068696U Electric pushing rod travel controller |
| 01/01/1991 | US4982333 Capacitance guided assembly of parts |
| 01/01/1991 | US4982298 Adaptive velocity profile system for a disk drive head |
| 12/27/1990 | EP0403843A2 Spindle driving device for a machine tool |
| 12/27/1990 | EP0403842A2 Spindle position/speed control unit |
| 12/27/1990 | CA1278377C Track following servo for higher density disk files |
| 12/25/1990 | US4980628 Control system |
| 12/25/1990 | US4980625 Apparatus and method for servo control system |
| 12/25/1990 | US4980620 Current-free synthesis of parameter-free zero-impedance converter |
| 12/18/1990 | US4978900 DC sine cosine servo system |
| 12/12/1990 | EP0401973A2 Reliable track crossing detection in data storage apparatus |
| 12/11/1990 | US4977494 High speed digital motion controller architecture |
| 12/11/1990 | US4977360 Method and circuit for controlling a position-controlling DC motor and a system for controlling linear displacement in accordance with the method |
| 12/05/1990 | EP0401018A2 Ultra-precise positioning system |
| 12/04/1990 | US4975643 Measurement and control of magnetostrictive transducer motion using strain sensors |
| 12/04/1990 | CA1277365C Advanced motor controller |
| 11/22/1990 | EP0397693A1 Process for stopping a sewing machine drive |
| 11/22/1990 | DE4009476A1 Magnetplattengeraet-steuervorrichtung Magnetplattengeraet-control device |
| 11/21/1990 | CN1010510B Power transmission |
| 11/20/1990 | US4972311 X-Y table error mapping apparatus and method |
| 11/20/1990 | US4972186 Resolver excitation circuit |
| 11/20/1990 | US4972088 Register mark detection |
| 11/20/1990 | CA1276709C Control and drive arrangement for movable members |
| 11/13/1990 | WO1990013857A1 Method of sliding mode control |
| 11/13/1990 | US4970449 Numerical control apparatus |
| 11/13/1990 | CA2032525A1 Sliding mode control method |
| 11/06/1990 | US4968923 Servo control system |
| 11/06/1990 | US4968896 Apparatus for adjusting the light projecting angle of vehicle headlamps |
| 10/31/1990 | EP0394472A1 Reference point return system |
| 10/31/1990 | EP0394268A1 Motorised faders. |
| 10/30/1990 | US4967128 Servo motor control device |
| 10/24/1990 | EP0150216B1 Method of controlling positional loop gain |
| 10/24/1990 | CN1010161B Advanced motor controller |
| 10/23/1990 | US4965501 Servo circuit |
| 10/16/1990 | US4963806 Servo positioning apparatus |
| 10/16/1990 | US4962976 A.C. motor drive method and apparatus for precision positional control |
| 10/10/1990 | EP0391880A2 Measurement and control of magnetostrictive transducer motion |
| 10/10/1990 | EP0391868A2 Arrangement for positioning accuratelly the pistons of load-carrying pressure-fluid cylinder devices |
| 10/10/1990 | EP0391429A2 Micro-displacement detector device, piezo-actuator provided with the micro-displacement detector device and scanning probe microscope provided with the piezo-actuator |
| 10/05/1990 | CA2013811A1 Measurement and control of magnetostrictive transducer motion |
| 10/03/1990 | EP0390467A2 Digital servo control apparatus |
| 10/03/1990 | EP0390050A2 Method and apparatus for motion detection and tracking |
| 10/03/1990 | EP0389641A1 Servo controller |
| 10/03/1990 | CN1009861B Workpiece position controller |
| 10/02/1990 | US4961034 Numerical control device |
| 10/02/1990 | US4960365 Hydraulic control apparatus |
| 09/21/1990 | WO1990011166A1 Manual intervention method for industrial robot |
| 09/21/1990 | CA2029875A1 Manual intervention system for an industrial robot |
| 09/20/1990 | WO1990010930A1 Estimator positioning system and method |
| 09/19/1990 | EP0274501B1 Three point hitch velocity control |
| 09/19/1990 | EP0141860B1 Position-controlling apparatus |
| 09/19/1990 | CN2062502U Omnibearing automatic directional controller |
| 09/18/1990 | US4958245 Apparatus and method for optical servo control with media having information storage and servo control regions of different reflectivities |
| 09/12/1990 | EP0387224A2 Position servo system and its method of operation |
| 09/12/1990 | EP0386791A2 Apparatus for and method of controlling positioning of movable member |
| 09/11/1990 | US4956594 Method of controlling a robot in accordance with load conditions |
| 09/11/1990 | US4955654 End effector |
| 09/09/1990 | CA2010416A1 Method and arrangement for positioning accurately the pistons of load-carrying pressure-fluid cylinder devices |
| 09/05/1990 | EP0385347A2 Synchronous control system and method therefor |
| 09/05/1990 | EP0306502A4 Positive feedback position servo |
| 09/04/1990 | US4954908 Record medium control apparatus |
| 09/04/1990 | US4954907 Head positioning control method and system |
| 08/29/1990 | EP0383947A1 Numerical controller |
| 08/29/1990 | EP0127684B1 Method of determining current position of a machine |
| 08/29/1990 | CN2061259U Automatic tracking the sun device driven by solar energy |
| 08/28/1990 | US4953016 Table-shaped jig for positioning elements on a support in accordance to a reference layout |
| 08/28/1990 | US4952858 Microlithographic apparatus |
| 08/23/1990 | WO1990009627A1 Method of setting teaching data in a visual sensor system |
| 08/22/1990 | EP0383328A2 Positioning controlling device |
| 08/21/1990 | US4950985 Apparatus for measuring electromagnetic values of a coil, in particular for measuring the position of armature of a coil/armature magnetic system |
| 08/21/1990 | US4950899 Position detecting circuit with CCD and relatively moving source |
| 08/17/1990 | CA2010233A1 Positioning system |
| 08/16/1990 | EP0382517A2 Controlling the operation of a robot arm |
| 08/14/1990 | CA1272768A1 Joystick controller for three axis control of a powered element |
| 08/08/1990 | EP0381314A2 Servo circuit |
| 08/08/1990 | EP0381155A1 Apparatus for machining a non-circular workpiece |
| 08/08/1990 | EP0380707A1 Impingement detection/driving stop method in machine driven by servo motor |
| 08/08/1990 | EP0380697A1 Method of returning to origin |
| 08/07/1990 | CA1272518A1 Power transmission |
| 08/01/1990 | EP0243466B1 Apparatus and method for damping head positioners for disk drives |
| 08/01/1990 | EP0160095B1 Tracking servo circuit for optical disk |
| 07/31/1990 | US4945295 Operation confirmatory circuit for linear actuator |