| Patents for G05B 11 - Automatic controllers (10,398) |
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| 03/27/1991 | CN1050271A 反馈控制系统 Feedback control system |
| 03/27/1991 | CN1050270A Two degree of freedom controller |
| 03/26/1991 | CA1282110C Position and velocity feedback system for a digital robot control |
| 03/20/1991 | EP0417774A2 Feedback control system |
| 03/20/1991 | EP0417635A2 Two degree of freedom controller |
| 03/20/1991 | CN2073498U Circulating winde circuit breaking controller |
| 03/13/1991 | EP0416055A1 Control unit. |
| 03/12/1991 | US4999557 Integration proportional controller in servo-control system |
| 03/12/1991 | CA1281430C Apparatus and method using adaptive gain scheduling algorithm |
| 03/12/1991 | CA1281391C Apparatus for controlling the quality of a rod of smoking material |
| 03/07/1991 | DE4026850A1 Filtering signal with information and carrier frequency components - measuring information signal amplitude by frequency double that of carrier frequency |
| 03/06/1991 | EP0415313A1 Servo-control arrangement for a feedback system and application to amplifiers and servomechanisms |
| 02/28/1991 | CA2019795A1 Digital notch filter |
| 02/26/1991 | US4995139 Torque control system for engine performance test machine for internal combustion engines |
| 02/12/1991 | US4992927 Self-propagating control apparatus and method, propagating-type controller used by said apparatus, method of operating and controlling same, and supervisor |
| 02/12/1991 | US4992714 Band pass filter device and a method of filtering using such a device |
| 02/12/1991 | US4991770 Thermostat with means for disabling PID control |
| 02/05/1991 | US4990258 Simplified process control |
| 01/30/1991 | CN2070516U Domestic electric appliances intermittence controller |
| 01/30/1991 | CN2070467U Servo-amplifier |
| 01/29/1991 | US4987913 Apparatus and method for controlling operation of storm sewage pump |
| 01/16/1991 | EP0407628A1 Process and device for eliminating the influence of periodic disturbance values with a known varying frequency |
| 01/16/1991 | CN1048609A Controlling apparatus utilized in process instrumentation system |
| 01/16/1991 | CN1011266B Ratio control system |
| 01/09/1991 | EP0406836A2 Controlling apparatus utilized in process instrumentation system |
| 01/08/1991 | US4984167 Control apparatus and method for an internal combustion engine |
| 12/27/1990 | EP0238509B1 Solenoid driver control unit |
| 12/27/1990 | CA1278377C Track following servo for higher density disk files |
| 12/27/1990 | CA1278360C Load sensing circuit of load compensated direction control valve |
| 12/26/1990 | CN2068251U Multi-functional electric servo amplifier |
| 12/25/1990 | US4980793 Open loop control of solenoid coil driver |
| 12/25/1990 | US4980625 Apparatus and method for servo control system |
| 12/12/1990 | EP0401847A2 Method and apparatus for controlling engine in engine characteristics test |
| 12/12/1990 | CN1047737A Method and device for automatic drift compensation in position circuit controllers |
| 12/12/1990 | CN1047724A Power transmission |
| 12/05/1990 | CN2066698U Induction electric fragrant sending out device |
| 12/04/1990 | US4975628 Closed-loop PWM current control for a vehicle transmission force motor |
| 12/04/1990 | CA1277365C Advanced motor controller |
| 11/21/1990 | CN2066162U Machine tool energy-saving power monitoring device |
| 11/21/1990 | CN1047135A 高分辨率脉冲宽度调制 High-resolution pulse width modulation |
| 11/14/1990 | EP0396749A1 System for controlling servo motor |
| 11/14/1990 | CN1010433B Process controller with two degrees of freedom |
| 11/01/1990 | WO1990012702A1 Control system |
| 10/25/1990 | DE3913059A1 Regelsystem Control system |
| 10/24/1990 | EP0393697A2 Electrohydraulic system |
| 10/24/1990 | EP0393650A2 High resolution pulse width modulation |
| 10/24/1990 | CN1046400A Propeller speed governor having a derivative inhibit at high flight speeds |
| 10/24/1990 | CN1010161B Advanced motor controller |
| 10/17/1990 | EP0392966A1 Propeller speed governor having a derivative inhibit at high flight speeds |
| 10/11/1990 | CA2013948A1 Propeller speed governor having a derivative inhibit at high flight speeds |
| 10/04/1990 | WO1990011555A1 Control unit |
| 10/03/1990 | EP0390686A2 Control system for sheetmaking |
| 10/03/1990 | EP0390467A2 Digital servo control apparatus |
| 09/30/1990 | CA2013454A1 Control method for sheetmaking |
| 09/26/1990 | EP0388513A2 Control method and controller |
| 09/25/1990 | US4958705 Hydraulic controller, especially for the movement of a prosthetic joint |
| 09/19/1990 | EP0141860B1 Position-controlling apparatus |
| 09/19/1990 | CN1045366A Method for damping control in offset press |
| 09/18/1990 | US4958120 Dual feedback tuning method and apparatus |
| 09/12/1990 | EP0386489A2 Method of controlling dampening in an offset printing machine |
| 09/09/1990 | CA2008816A1 Procedure to regulate moisture on an offset printing machine |
| 09/05/1990 | EP0306502A4 Positive feedback position servo |
| 08/28/1990 | US4953076 Versatile time difference comparison compensation method of control system |
| 08/21/1990 | US4951191 Process control having improved combination of feedforward feedback control |
| 08/16/1990 | EP0382695A2 Transmitter arrangement for digitally modulated signals |
| 08/09/1990 | WO1990008988A1 Method and apparatus for automatically generating control program for computer controlled systems |
| 07/11/1990 | CN1008776B Automatic tuning controller and method of determining pid parameters |
| 07/10/1990 | US4940924 Positioning control apparatus |
| 06/27/1990 | EP0230470B1 System for switching and controlling unit amount of torque limit value of servo motor for injection molding machine |
| 06/26/1990 | US4937512 Stability compensating circuit |
| 06/13/1990 | EP0372899A1 Apparatus and method for the simultaneous control of two or more related variables |
| 05/23/1990 | CN1042382A Coal dust blasting automatic controlling device for blast-furnace |
| 05/08/1990 | US4924165 Servo control system carrying out coarse control and fine control |
| 05/02/1990 | CN2056767U Power module for multi parametric automation control |
| 04/25/1990 | CN1041658A 数字控制系统 Digital Control System |
| 04/25/1990 | CN1007756B Power transmission |
| 04/18/1990 | CN1041460A Dynamic monitor instrument for enamel covering thickness of enamel covered wire and monitoring method thereof |
| 04/17/1990 | CA1267957A1 Method and apparatus for performing work in a three dimensional space |
| 04/11/1990 | EP0362801A2 Digital control system |
| 04/05/1990 | DE3831988A1 Proportional valve with a control amplifier |
| 04/03/1990 | US4914370 Servo-control circuit |
| 03/28/1990 | CN2055263U Multi-purpose remote-control device |
| 03/20/1990 | US4910448 PWM circuit |
| 03/14/1990 | EP0358167A2 Torque control system for engine performance test machine for internal combustion engines |
| 03/13/1990 | US4908747 Advanced proportional plus integral plus derivative controller |
| 02/27/1990 | US4904912 Control mechanism employing internal model coordination feedforward method |
| 02/22/1990 | DE3827882A1 Arrangement for the drive of an actuator as a function of setting direction and travel |
| 02/14/1990 | CN1006827B Method and device for integral control of a dependent variable in a system having at least two independent variable |
| 02/07/1990 | EP0353593A2 Characteristics control method for aqueous solution |
| 01/24/1990 | EP0352137A2 Pulse-width modulator and driving unit using the same |
| 01/24/1990 | CN2051802U Automatic circulating and timing controller for household electrical appliances |
| 01/17/1990 | CN1038858A Method and apparatus for controlling pumps in drainage system |
| 01/17/1990 | CN1006477B Controller for vibration type pile-driving machine |
| 01/10/1990 | EP0350106A1 Detection circuit for an auto-focusing system for an image pick-up device |
| 01/08/1990 | EP0297106A4 Load sensing circuit and electrohydraulic control for load compensated directional control valve. |
| 01/03/1990 | CN2050626U Full digital automatic controlled printed substrate etching machine |
| 01/02/1990 | CA1264187A1 Remote supervisory and controlling system |
| 12/20/1989 | CN1038179A Control system and device for contactor appratus |
| 12/20/1989 | CN1038178A Control and testing system for installation using contactors |
| 12/14/1989 | DE3819593A1 Circuit arrangement for an electric actuator |