Patents
Sitemap › G05 - Controlling; Regulating › G05D - Systems for controlling or regulating non-electric variables › G05D 3 - Control of position or direction
Patents for G05D 3 - Control of position or direction (13,741)
07/1981
07/09/1981WO1981001889A1 An optical pattern tracing system
07/09/1981WO1981001837A1 Elevator door motion mode control
07/09/1981WO1981001834A1 Elevator door motor compensations
07/09/1981WO1981001833A1 Elevator door motion modification
07/09/1981WO1981001832A1 Elevator door stall mode with hysteresis
07/09/1981WO1981001831A1 Time controlled elevator door motion
07/09/1981WO1981001830A1 Position controlled elevator door motion
07/08/1981EP0031721A2 Method and apparatus for controlling elevator door motion
07/08/1981EP0031500A2 Servo system for centering a transducer over a path
06/1981
06/30/1981US4276581 Headlight tilting system for vehicles
06/30/1981US4276503 Method and apparatus for servo-controlling a rotating workpiece
06/30/1981CA1104250A1 Method for controlling an antenna of an earth station for telecommunication via satellites
06/26/1981EP0024429A4 Linear actuator.
06/23/1981US4274494 Method and device for setting the direction and/or the inclination of an elongated rock drilling apparatus
06/23/1981CA1103754A1 D.c. motor position control
06/17/1981EP0030282A1 Electrophotographic copier with reduction mode facility and control of scanning carriage
06/09/1981US4272821 Digital blade adjustment read-out for a portable power tool
06/09/1981US4272818 Position feedback control system for a numerically controlled machine tool
06/09/1981US4272710 Method and apparatus for the adjustment of a definite position of rest of a rotary tube
06/02/1981US4270404 X-Y Movement mechanism
05/1981
05/26/1981US4270120 Solid state synchro torque receiver driver
05/26/1981US4270077 Demodulatorless synchro position sensor apparatus utilizing square wave excitation
05/19/1981US4268786 Position pickup for numerically controlled machine tools
05/19/1981US4268785 Transient overshoot, undershoot and delay compensation circuit in systems comprising reactive filter networks
05/19/1981US4267819 Device for generating an electric output signal in response to the positioning of a mechanical member
05/19/1981CA1101514A1 System for guiding a tool
05/12/1981US4267497 Resolver interface for servo position control
05/12/1981US4267478 Pathlength controller for a ring laser gyroscope
05/12/1981US4266866 Diffusion transfer camera processor
05/12/1981US4266375 Feed control apparatus for a machine tool carriage
05/12/1981CA1101109A1 System for optically aiming a laser beam on to a target
05/12/1981CA1101105A1 Time-proportioning control system for earth-working machines
05/12/1981CA1101101A1 Variable response notch filter for machine resonance elimination in a servo control system
05/06/1981EP0028079A2 Control system for stopping spindle at predetermined rotational position
05/06/1981EP0028078A2 Spindle rotation control system
05/06/1981EP0028077A2 Spindle rotation control system
05/05/1981US4266172 Tracer control system
05/05/1981US4265027 Automatic self-leveling instrument mount
05/05/1981CA1100609A1 Positioning system employing feedforward and feedback control
04/1981
04/28/1981US4264849 Apparatus for positioning a movable device, especially the passenger seats in a motor vehicle
04/14/1981US4262306 Method and apparatus for monitoring of positions of patients and/or radiation units
04/14/1981US4262239 Servo motor apparatus
04/08/1981EP0026630A1 A tracer control system
04/07/1981US4260936 Master-slave power amplifiers
04/07/1981CA1098785A1 Solar collector, comprising solar tracking means
04/02/1981WO1981000926A1 Digital blade adjustment read-out for a portable power tool
03/1981
03/31/1981USRE30564 Servo systems
03/31/1981US4259605 Circuit for controlling a piezo-electric positioning element
03/31/1981US4258622 Method of positioning a moving part and a printer operating in accordance with said method
03/25/1981EP0025606A1 Apparatus for compensation of overshoot, undershoot and delay in response to step signals in a system comprising a reactive filter network
03/24/1981US4258282 Device for the generation of a control voltage across a piezo-electric positioning element
03/24/1981CA1098194A1 Method and means for increasing the stiffness of limited frequency servo systems
03/17/1981US4257074 Time optimal function generator for disk file magnetic recording head servo position control loop
03/17/1981CA1097805A1 Disk file access method using sample position signal
03/17/1981CA1097771A1 Direct digital control device
03/11/1981EP0024429A1 Linear actuator
03/05/1981WO1981000601A1 Electronic compensator for a pneumatic servo controlled load bearing bellows system
02/1981
02/17/1981US4251761 Numerical control error compensating system
02/17/1981US4250845 Device for the control of the position of an element of an internal combustion engine which influences the fuel-air mixture
02/17/1981CA1096037A1 Dynamic deskewing for a rotating head recording device
02/10/1981US4250441 Servo apparatus with electrical motion limiting
01/1981
01/27/1981US4247857 Method for controlling an antenna of an earth station for telecommunication via satellites
01/27/1981US4247796 Electrostatic transducer for generating strobe signals
01/27/1981CA1094419A1 Solar collector comprising solar tracking means
01/20/1981US4246536 Electronic velocity measurement device
01/20/1981US4246525 Motor control system
01/20/1981US4246523 Brake timing control method and apparatus therefor
01/13/1981US4245298 System for creating a servo control signal
01/07/1981EP0022105A1 A device for reducing piston velocity in a cylinder
01/07/1981EP0020991A1 Optically functioning encoder unit for controlling a bidirectional movement and its use in controlling stepping motors
12/1980
12/30/1980US4242622 Stabilized non-linear servomechanism
12/30/1980US4242619 Digital servo control circuit
12/30/1980CA1092686A1 Method and control system for controlling a suspended implement on variations of the position of the implement in relation to a suspension point
12/30/1980CA1092343A1 Solar tracking device
12/23/1980US4241365 Magnetic video recording and reproducing device
12/16/1980US4240016 Positioning device for an industrial robot
12/16/1980US4239942 Dual radial position servo to compensate for radial tracking failure in an optical disc player
12/16/1980CA1091818A1 Method and apparatus for mounting devices on a substrate
12/09/1980US4238780 Process and an apparatus for automatically recognizing the position of semiconductor elements
12/02/1980US4237500 Method of controlling the position of a write-read head and device for carrying out the method
12/02/1980US4236306 Method for mounting devices on a substrate
12/02/1980US4236301 Apparatus for mounting devices on a substrate
11/1980
11/18/1980US4234837 Digital center tracking system
11/18/1980US4234833 Door operator system using counter circuit for determining limit positions
11/18/1980US4234802 Current limiter
11/18/1980US4234175 High precision positioning device
11/04/1980US4232259 Servo-system
10/1980
10/21/1980US4229684 Method and apparatus for time-optimized positioning of at least one body in a desired target position
10/14/1980US4228385 Speed-regulated positioning drive
10/14/1980US4227664 Stall current limiter for servo drive systems
10/07/1980US4227133 Stabilized servo motor positioning apparatus
09/1980
09/30/1980US4225928 System for automatically positioning the carriage of a machine in numerical control system at a reference point
09/23/1980US4224645 Method and apparatus for controlling the movement of a recording medium
09/23/1980US4224560 Method for controlling parison wall thickness and a wall thickness control signal generator circuit for carrying out the method
09/17/1980EP0015829A1 Electromagnetic process for controlling the orientation of a platform and platform employing this process
09/17/1980EP0015618A1 Displacement control device
09/16/1980US4223258 Digitally controlled servo system
09/16/1980US4222608 Control system for adjustable head restraint on automotive seat
09/09/1980US4221998 High accuracy control system
09/09/1980CA1085493A1 Adaptive control system using position feedback
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