Patents for G05D 3 - Control of position or direction (13,741)
09/1980
09/04/1980WO1980001861A1 Linear actuator
09/02/1980US4220903 System for guiding a tool
09/02/1980US4220026 Position control method and apparatus for controlling the position of the wire discharging port of a laying head
08/1980
08/26/1980US4219737 Self regulating microfilm frame detection circuit
08/26/1980US4218956 Method and device for controlling a shock absorber
08/19/1980US4218172 Method of and arrangement for controlling manipulators and industrial robots
08/12/1980US4217612 Servo system for track accessing and track following in a disk drive
08/12/1980US4217531 Digitally controlled gain reduction in a positioning system
08/06/1980EP0014065A1 System for creating a servo control signal
08/06/1980EP0014028A1 A system for controlling the angular position of a rotary member
07/1980
07/29/1980US4215410 Solar tracker
07/29/1980US4215301 Digital servo positioning circuit
07/29/1980US4214487 Apparatus for measuring the pressure in a very small volume
07/23/1980EP0013326A2 Sampled data servo positioning system and sector disk file employing same
07/15/1980CA1081770A1 Adjustable stroke electric motor using stroke adjusting linkage means
07/15/1980CA1081746A1 Device for termina rotary movement of a driven shaft
07/08/1980US4212081 Programmable sequence controller with auxiliary function decoding circuit
07/08/1980CA1081372A1 X-ray system having a driving mechanism for an x-ray source and an x-ray detector
07/08/1980CA1081324A1 Pulse controlled potentiometer
07/01/1980US4210853 Control device with an integrating position drive
06/1980
06/25/1980EP0012619A2 Machine tool drive motor control system
06/17/1980US4208679 Transducer positioning system for rotating disk drive units
06/17/1980CA1079845A1 Data storage apparatus
06/17/1980CA1079836A1 Electrohydraulic control apparatus
06/10/1980US4207506 Servo system with reduction of transient error and settling time
06/10/1980US4207504 Spindle control system
06/03/1980US4206392 Spindle control system
06/03/1980CA1078943A1 Closed loop electro-fluidic control system
06/03/1980CA1078917A1 Two-directional fine adjusting device
05/1980
05/28/1980EP0011260A1 Method for positioning a movable body
05/27/1980CA1078512A1 Positioning system for data storage apparatus
05/20/1980US4204257 Numerical control resolver position measuring device
05/20/1980US4204234 System for positioning single gap magnetic head to follow moving recorded data track
05/20/1980CA1077719A1 Manufacture of flat glass having controlled width and nip width
05/14/1980EP0010664A1 Method and apparatus for positioning a transducing head
05/06/1980US4202019 Timing circuit and method for a track following servo in a data storage system
04/1980
04/29/1980US4200827 Positioning system employing feedforward and feedback control
04/22/1980US4198954 Solar collector, comprising solar tracking means
04/22/1980CA1075918A1 Engine control system
04/16/1980EP0009663A1 Electronic tachometer circuit
04/15/1980CA1075807A1 Transducer positioning system
04/15/1980CA1075795A1 Automatic machine tool
04/01/1980US4196471 Coke oven machinery spotting system
04/01/1980US4196380 Device for servo system with closed servo circuit
03/1980
03/25/1980US4195320 Record track identification and following
03/25/1980US4195265 Variable response notch filter for machine resonance elimination in a servo control system
03/25/1980US4194365 Hydraulic motor control
03/25/1980CA1074422A1 Record storage apparatus employing enhanced transducer positioning servomechanisms
03/20/1980WO1980000506A1 Monitoring device of a rudder control unit
03/19/1980EP0008714A1 Photoelectric docking device
03/18/1980US4193644 Servo control system
03/11/1980US4193019 Direct digital control device
03/04/1980US4191981 Record storage apparatus employing enhanced transducer positioning servomechanisms
03/04/1980US4191916 Table positioning system including optical reference position measuring transducer
03/04/1980US4191913 Safety interlock circuit for an error-signal-controlled servo system
02/1980
02/26/1980US4190864 Remote iris control for television cameras
02/26/1980US4190792 Positioning control system
02/26/1980US4190498 System to acquire and monitor operating machinery positions for horizontal coke oven batteries
02/19/1980CA1072203A1 Magnetic recording system
02/12/1980US4188646 Sectorized data path following servo system
02/12/1980US4188540 X-ray apparatus comprising a weight compensation device
02/12/1980US4188167 Apparatus for aligning an inspection or repair device with a selected tube in a heat exchanger
02/06/1980EP0007893A1 A device for generating an electric output signal in response to the positioning of a mechanical member and an equipment for controlling the draught in a boiler, preferably an oil-fired boiler, including such a device
02/05/1980US4187455 Stepper motor feedback in position servo loop
01/1980
01/29/1980US4185571 Analog adjustment arrangement in a digitally controlled positioning system
01/22/1980CA1070422A1 Magnetic disk storage apparatus
01/22/1980CA1070412A1 Electrical centering and boring system for transducers
01/15/1980US4184109 Position servo loop for robot or automatic machine
01/15/1980US4184108 Self-regulating electronic tachometer
01/15/1980US4184107 Control circuit for a predetermined angular movement of a DC motor
01/15/1980US4184080 Ratiometric edge detector system
01/01/1980CA1069204A Control means for the wire wrapping machine
12/1979
12/25/1979CA1068803A Stop-motion apparatus of weaving looms
12/25/1979CA1068802A Photelectrophoretic web machine servo drive system
12/25/1979CA1068801A Capstan control for a tape drive system
12/18/1979US4179720 Magnetic recorded information reproducing apparatus
12/12/1979EP0005966A1 Positioning servo system
12/11/1979US4177644 Apparatus for controlling and taking up axial displacement in machinings on large diameter cylinders
11/1979
11/27/1979CA1067203A1 Apparatus for remote control of antenna rotators
11/27/1979CA1067138A1 Phase-sensitive transducer apparatus with signal offset means
11/27/1979CA1067137A1 Phase-sensitive transducer apparatus
11/20/1979CA1066802A1 Process data tracking system
10/1979
10/30/1979CA1065476A1 Magnetic recording and reproducing device
10/23/1979CA1065010A1 Stepper motor feedback in position servo loop
10/17/1979EP0004764A1 A transducer for generating strobe signals
10/16/1979US4171473 Device for terminating rotary movement of a driven shaft
10/16/1979CA1064614A1 Adaptive gain control in an incrementing magnetic tape transport
10/16/1979CA1064611A1 Servo information pattern for rotating head magnetic tape unit independent of amplitude
10/16/1979CA1064596A1 Semi-automatic hanking apparatus
10/16/1979CA1064577A1 Positioning control means for motor driven rotary tap changer
10/09/1979US4170418 Alignment apparatus
10/09/1979CA1064143A1 Servo system with feedback signal compensation
09/1979
09/11/1979US4167677 Optical device for the alignment of two superimposed objects
09/11/1979US4167296 Protective control system for magnetic suspension and magnetically suspended devices
08/1979
08/22/1979EP0003577A1 Speed control for the slewing and/or lifting gear of a crane
08/21/1979US4165523 Automatic scan tracking using an additional sensing means on a bimorph
08/14/1979US4164167 Hydraulic servomechanism
08/14/1979CA1060537A1 Bi-directional motor drive servo
07/1979
07/31/1979US4163262 Helical video tape recorder arrangement suitable for high quality editing
07/31/1979US4163168 Two-directional piezoelectric driven fine adjusting device