Patents for G05D 3 - Control of position or direction (13,741)
09/1988
09/27/1988CA1242513A1 Power transmission
09/20/1988US4772836 Motorized electric control device
09/20/1988US4772807 Electric control device for controlling displacement of an element between two predetermined positions
09/20/1988US4771655 Rotary actuator
09/14/1988EP0282270A1 Programmable motor controller using look-up memory
09/13/1988US4770600 Apparatus for positioning silicon wafer
09/13/1988US4770531 Stage device with levelling mechanism
09/07/1988WO1988006789A1 Crash-prevention for disk drive positioning system
09/06/1988US4769583 Motion control system with minimum time path generation
08/1988
08/31/1988EP0280324A1 Nonlinear control unit for a multi-degree-of freedom manipulator
08/30/1988US4768064 Conveyor device for alignment
08/30/1988US4767084 Autonomous stationkeeping for three-axis stabilized spacecraft
08/30/1988US4766921 Method of operating a PWM solenoid valve
08/23/1988US4765793 Apparatus for aligning circular objects
08/16/1988US4764669 Photoelectric apparatus for tracing a scanning head along a pattern track with selectable sampling
08/11/1988WO1988005933A1 Positive feedback position servo
08/09/1988US4762996 Coarse approach positioning device
08/09/1988US4762578 Tip is advanced to preferred spacing without overshooting or contact
08/04/1988DE3702369A1 Positioning device
08/03/1988EP0276900A2 Apparatus and method for aligning two surfaces
08/02/1988US4761595 Motion control system having adaptive feedforward path tracking
08/02/1988US4761573 Linear motor
07/1988
07/27/1988EP0275629A1 Control of positioning devices
07/26/1988CA1239684A1 Autonomous stationkeeping for three-axis stabilized spacecraft
07/26/1988CA1239683A1 Power transmission
07/13/1988EP0274046A1 Power servo system
07/12/1988US4757458 Zero point adjusting robot control method
07/12/1988US4757313 Positioning and abnormality control device
07/12/1988US4756290 Drive circuit of electrostrictive element actuator in diesel engine fuel injection device
07/11/1988WO1988005935A1 Numerical control method having a function for compensating the delay in the follow-up operation
07/06/1988EP0273561A2 Automated positioning system
07/06/1988CN87106487A Advanced motor controller
07/05/1988US4755892 Method of and apparatus for displacing a movable system driven by an electric motor along a given trajectory
07/05/1988US4755876 Image scanner
07/05/1988US4755070 Circuit for actuating electric motors, especially in an electronic typewriter
07/05/1988CA1238982A1 Fine-coarse positioning control system with easy adjustment
06/1988
06/29/1988EP0272853A2 Method and apparatus for automated reading of vernier patterns
06/28/1988US4754209 Motor actuator
06/23/1988DE3642643A1 Circuit arrangement for positioning a variable-speed drive, in particular for a plastics machine
06/22/1988EP0271590A1 Robot control apparatus
06/21/1988US4752144 Reciprocative typing control system
06/16/1988WO1988004446A1 Servo motor controller
06/16/1988WO1988004445A1 Numerical controller
06/16/1988DE3641740A1 Control device for a rotary drive
06/15/1988CN87107341A Power transmission
06/07/1988US4750104 Method of and apparatus for tracking position error control
06/07/1988US4749936 Power transmission
06/07/1988US4749898 Superprecision positioning device
06/01/1988EP0268887A2 Numerical control feed device for machine tool
05/1988
05/31/1988US4748610 Servo system in data reading apparatus
05/31/1988US4748555 Control unit for a moving body
05/31/1988US4748393 Positive feedback position servo
05/25/1988EP0267966A1 Positioning system
05/24/1988US4746772 Adjustable position indicating apparatus
05/24/1988US4745681 Controlled pin insertion using airflow sensing and active feedback
05/19/1988WO1988003678A1 Position control system
05/19/1988WO1988003677A1 Digital servo system
05/18/1988EP0267527A1 Self-adjusting homing for a stepping motor
05/18/1988EP0267416A2 Contactless transport device
05/18/1988EP0267301A1 System for remote transmission of angle of rotation and of force between driving and driven shafts
05/17/1988US4744218 Power transmission
05/11/1988EP0266606A2 Position determining apparatus
05/10/1988CA1236544A1 Position-transmitter for a pneumatic-pneumatic or electro-pneumatic converter
05/10/1988CA1236543A1 High resolution high output transducer
05/05/1988WO1988003282A1 Negative feedback control system
05/03/1988US4742465 Control system for doser actuator having improved resolution
05/03/1988US4742286 Gas bearing X-Y-θ stage assembly
05/03/1988US4742285 Full follow-up type servo-system
05/03/1988US4742284 Advanced motor controller
05/03/1988US4742233 Method and apparatus for automated reading of vernier patterns
05/03/1988US4741618 Device for stabilizing the axis of a variable field guidance system with respect to the axis of a sighting device
05/03/1988CA1236201A1 Spout aimer with feed roll rotation sensing
04/1988
04/26/1988CA1235774A1 Dynamically interactive responsive control device and system
04/20/1988EP0264147A2 Fine positioning device and displacement controller therefor
04/19/1988US4739238 Rotating mechanism control system
04/19/1988US4738025 Automated apparatus and method for positioning multicontact component
04/13/1988CN87106776A Apparatus for indicating value of variable
04/12/1988US4737696 Actuator drive circuit
04/06/1988EP0262881A2 Apparatus for indicating the value of a variable
04/06/1988EP0262624A2 Positioning control system
03/1988
03/30/1988EP0262114A2 Adjustable position indicating apparatus
03/29/1988US4733600 Apparatus for controlling cargo handling position
03/24/1988WO1988002141A1 Method of removing follow-up delay in a full-close feedback nc system
03/24/1988WO1988002140A1 Method of removing follow-up delay using a digital servo system in a full-close feedback nc system
03/23/1988EP0260957A2 Autonomous stationkeeping for three-axis stabilized spacecraft
03/23/1988EP0260326A1 Robot controller
03/23/1988EP0243466A4 Apparatus and method for damping head positioners for disk drives.
03/22/1988US4733143 Linear motor
03/22/1988US4733117 Reluctance synchro/resolver
03/22/1988US4731996 Position transmitter for a pneumatic-pneumatic or electro-pneumatic converter
03/16/1988EP0260138A2 Servo control system
03/15/1988CA1234023A1 Pneumatic converter having variable gain relay stack
03/02/1988EP0257180A2 Apparatus for actuating a servo motor
03/01/1988US4727791 Apparatus for controlling a hydraulic single acting cylinder
03/01/1988CA1233489A1 Microvector control for edge and joint following
02/1988
02/24/1988EP0256271A1 Method and device for fine-positioning an object on a partial area of a plane
02/23/1988CA1233221A1 Dual controller position control system
02/16/1988US4725942 Controller for multidegree of freedom nonlinear mechanical system
02/16/1988US4724763 Offset web-fed rotary printing machine
02/16/1988CA1232960A1 Control system for manipulator apparatus with resolved compliant motion control