Patents
Sitemap › H02 - Generation, conversion, or distribution of electric power › H02P - Control or regulation of electric motors, generators, or dynamo-electric converters; Controlling transformers or reactors or choke coils › H02P 29 - Arrangements for regulating or controlling electric motors, appropriate for both ac- and dc-motors
Patents for H02P 29 - Arrangements for regulating or controlling electric motors, appropriate for both ac- and dc-motors (5,779)
05/1986
05/27/1986US4591014 Electric power steering equipment
05/22/1986WO1986003074A1 System for controlling the speed of a servo motor
05/22/1986WO1986002878A1 Injection molding machine which uses a servo motor and which is provided with a protecting function
05/21/1986EP0181742A1 Circuit for actuating electric motors, especially in an electronic typewriter
05/14/1986EP0180860A2 Device for speed controlling
05/10/1986CN85107258A Servo system
05/06/1986US4586331 Automatic hydraulic speed control
04/1986
04/29/1986US4586123 Digital control system for the speed of a sewing machine
04/29/1986US4585981 Device for driving motor-operated closure parts
04/29/1986US4585949 Method of and apparatus for shaft power generation
04/23/1986EP0178869A2 Servo system
04/08/1986US4581711 Monitoring system for motors
04/02/1986EP0175952A2 Means for suppressing engine output torque fluctuations
04/01/1986US4580082 Method and devices for detecting whether a direct-current motor has slowed-down and a motor equipped with a device of this type
03/1986
03/26/1986EP0088083B1 Control system for eddy current coupling drive for conveyors
03/25/1986US4578624 Speed setting arrangement for sewing machines
03/11/1986US4575663 Microprocessor based two speed motor control interface
03/04/1986US4574226 Method and apparatus for controlling an electric motor the rotational speed of which is automatically reduced in no-load idling operation
02/1986
02/25/1986US4572995 Synchronism discriminating circuit
02/25/1986US4572961 Constant speed drive with compensation using differential gears
02/18/1986US4571529 Actual speed value converter for the speed control in a motor drive system
02/18/1986CA1200877A1 Sewing machine control apparatus
02/12/1986EP0170924A1 Process for control optimisation of machines
01/1986
01/28/1986US4567409 Control circuit for motor
01/21/1986US4566045 System for the reproduction of signals stored on a magnetic tape
01/14/1986US4564794 Phase locked loop and a motor control servo
01/14/1986US4564050 Method for starting the operation of a loom
01/08/1986EP0167001A2 Method of determining the working state of the drive of an adjusting member in a printing machine, and device therefor
01/08/1986EP0166744A1 A programmed microprocessor for a speed control system for a d.c. motor.
12/1985
12/31/1985US4562394 Motor servo circuit for a magnetic recording and reproducing apparatus
12/31/1985US4562389 Automatic screwdriver or torquing tool control system
12/27/1985EP0165698A1 Servomotor feedback fault detector
12/24/1985US4560983 Dynamically interactive responsive control device and system
12/24/1985US4560927 Speed detecting apparatus
12/18/1985EP0165107A1 Chopper amplifier and use of this amplifier as a supply for an autosynchronous motor
12/11/1985EP0163850A1 Method and device for synchronizing a material web, in particular a photosensitive material web, in a photocomposing process
12/10/1985US4558306 In a mobile refrigeration unit
12/03/1985US4556831 Circuit arrangement for electrical tool with clutch
12/03/1985US4556001 Sewing machine controlling apparatus
11/1985
11/21/1985EP0161474A1 Process and device for the synchronized operation of an electric motor, in particular for driving a rotatable reflection element of an optical detection system
11/19/1985US4554496 Controllable rotary actuator
11/05/1985US4551708 Position sensing device
11/05/1985US4551660 Motor controlling switch device
11/05/1985US4551163 Electronic glass feeder plunger operating mechanism
11/05/1985CA1196382A1 Current sensing circuit for motor controls
10/1985
10/23/1985EP0158886A1 A torsion angle detection circuit
10/10/1985WO1985004534A1 Speed control system
10/01/1985US4544852 Circuit arrangement for monitoring speed of a drive motor
10/01/1985CA1194541A1 Capacitive sensor motor control system
09/1985
09/24/1985US4543516 Speed and phase control system
09/17/1985US4542327 Speed control apparatus
09/11/1985EP0154312A2 Load drive apparatus
08/1985
08/28/1985EP0152676A2 Position servo system
08/20/1985US4536806 Microprocessor controlled multiple servo system for a recording and/or reproducing apparatus
08/20/1985US4536689 Servomotor feedback fault detector
08/06/1985CA1191388A1 Printer control system with controlled acceleration and deceleration
08/06/1985CA1191386A1 Printer control system with error count averaging
07/1985
07/23/1985US4530297 Speed control apparatus for sewing machine
07/10/1985EP0147393A1 Automatic hydraulic speed control.
07/09/1985US4528603 Drum servo control with reduced head phase error during editing
07/03/1985EP0146906A2 Speed and phase control system
07/02/1985US4527101 Universal electric motor speed sensing by using Fourier transform method
06/1985
06/26/1985EP0145913A2 Reactance commutated high resolution servo motor system
06/26/1985EP0145841A2 Torque control apparatus for enclosed compressors
06/25/1985US4525763 Apparatus and method to protect motors and to protect motor life
06/20/1985WO1985002727A1 A programmed microprocessor for a speed control system for a d.c. motor
06/19/1985EP0145310A2 Motor servo circuit for a magnetic recording and reproducing apparatus
06/18/1985US4524313 Error detecting mechanism for servosystem
06/04/1985US4520906 Control apparatus for elevator
05/1985
05/29/1985EP0142633A1 Device for the determination of road inclination
05/21/1985US4518901 Motor control apparatus
05/21/1985US4517909 Sewing machine having a digital command circuit
05/14/1985US4517501 Rotation control system
05/14/1985US4516514 Circuit arrangement for controlling sewing machine speed and for positioning sewing needle
05/08/1985EP0139982A1 Control circuit for a road vehicle
05/07/1985US4516061 Sewing machine having a memory for generating a speed signal in response to operating conditions
05/02/1985EP0139010A1 Method of controlling acceleration and deceleration
05/02/1985EP0138884A1 Controllable rotary actuator
05/02/1985EP0029846B1 Digital velocity servo
04/1985
04/30/1985US4514671 Head scanning servo system in a recording and/or reproducing apparatus
04/30/1985US4514670 Electric positioning motor control system, particularly automatic vehicle antenna extension system
04/30/1985CA1186410A1 Video disc player having auxiliary vertical synchronizing generator
04/17/1985EP0137032A1 Electrically-controlled rotary actuator
04/03/1985EP0135613A1 Method and device for the regulation of an electric motor, by which the number of revolutions under no-load running operation is automatically reduced
04/02/1985US4508941 Voice coil centering and suspension for vented pole piece
04/02/1985US4508284 Apparatus for controlling winding tension
04/02/1985CA1184995A1 Controller for a blockable servo motor
03/1985
03/27/1985EP0135015A2 Device for controlling and handling an electric apparatus
03/26/1985CA1184630A1 Control circuit arrangement
03/19/1985US4506242 In an electrical box within a wall
03/19/1985CA1184274A1 Sewing machine having a digital command circuit
03/05/1985US4503374 Speed detection apparatus and method
03/05/1985CA1183602A1 High-speed reproducing system in magnetic reproducing apparatus
02/1985
02/26/1985CA1183245A1 Sewing machine having a soft-starting circuit
02/26/1985CA1183244A1 Sewing machine having a memory for generating a speed control signal in response to operating conditions
02/18/1985EP0118544A4 Improved induction motor controller.
02/12/1985US4499463 Apparatus for controlling electrical receivers occupying at least two states
02/05/1985US4498034 Motor speed control circuit
02/05/1985CA1182210A1 Drum servo control arrangement
01/1985
01/31/1985WO1985000477A1 Controlled electric current supply unit
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