Patents for G05B 9 - Safety arrangements (6,168) |
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02/07/1980 | WO1980000198A1 Self-monitored control system of a process |
01/23/1980 | EP0007270A1 Self-supervising process control system |
01/01/1980 | US4181849 Vital relay driver having controlled response time |
11/14/1979 | EP0005426A1 Simulated parameter control for gas turbine engine |
07/24/1979 | US4162526 Failsafe primary power control apparatus for systems using computer controlled power sequencing |
07/24/1979 | US4162438 Dual servo automatic pilot with improved failure monitoring |
07/24/1979 | US4161918 Rollover and wipe projective circuit for an electrical switching array |
06/26/1979 | US4159444 Fail operational dual electromechanical servo actuator for aircraft with model monitoring |
05/29/1979 | US4156397 Power limiting arrangement in a sewing machine |
05/15/1979 | US4155116 Digital control system including built in test equipment |
05/15/1979 | US4154395 Redundant signal circuit |
05/08/1979 | US4153865 Dynamically compensated servo monitor |
05/08/1979 | US4153198 Electro-hydraulic governor employing duplex digital controller system |
04/24/1979 | CA1053350A1 Process controller |
04/10/1979 | US4149069 Safety circuit for a data processing system producing binary signals |
04/03/1979 | CA1051995A1 Intrinsic safety barrier |
03/06/1979 | US4143415 Multiple control circuit with floating setpoint |
03/06/1979 | US4143353 Apparatus for the supervision or correction of electrical signals |
03/06/1979 | US4143329 Signal sampling circuit |
02/20/1979 | US4141066 Process control system with backup process controller |
02/20/1979 | US4141065 Electric controller system with bumpless transfer |
02/13/1979 | US4139872 Video signal reproducing apparatus with a track searching arrangement |
01/02/1979 | US4133027 Process control system with backup process controller |
12/19/1978 | US4130763 Machine guard installations |
12/19/1978 | CA1044785A1 Automatic control system using error signal and integral and derivative thereof |
11/21/1978 | US4126061 Signal failure circuit for automatic transmissions |
10/17/1978 | US4120469 In-line actuator monitoring and control apparatus |
09/26/1978 | CA1039379A1 Apparatus for monitoring a redundant multi-channel analog system |
09/19/1978 | US4115860 Plural load power controller with time-shared processor |
08/15/1978 | US4107654 Numerical control system having a position processing unit operated upon a power failure |
08/15/1978 | US4107542 Time delayed relay sequencer and alarm reset for a gas turbine local maintenance controller |
08/08/1978 | US4105900 Signal selection apparatus for redundant signal sources |
08/08/1978 | US4105496 Method and device for electronic control with positive safety |
06/27/1978 | US4096989 Monitoring apparatus for redundant control systems |
06/13/1978 | US4095123 Switch controller |
06/06/1978 | US4093162 Train operation control apparatus |
05/30/1978 | US4092578 Elimination of voter caused deadzone |
05/16/1978 | US4090065 System and method for operating a steam turbine with protection provisions for a valve positioning contingency |
03/28/1978 | US4081733 Automatic control system with integrator offset |
03/14/1978 | US4078750 Speed-variable limits in fail-safe actuators |
01/31/1978 | US4071897 Power plant speed channel selection system |
01/24/1978 | US4070609 Automatic control system |
12/13/1977 | US4063181 Positive safety control device |
10/18/1977 | US4054486 Nuclear reactor fail-safe unit having the function of control relay and current regulation |
09/27/1977 | US4051427 Supervisory system for detecting torsional oscillation in the shaft of a rotating electro-mechanical system |
09/13/1977 | US4048483 Data handling systems |
08/30/1977 | US4045660 Method and apparatus for automatically realigning a machine element to a predetermined position after power interruption |
07/12/1977 | US4035787 Food temperature responsive control apparatus |
06/28/1977 | US4032757 Control apparatus |
05/31/1977 | US4027208 Interfacing circuit |
05/24/1977 | US4025762 Reference signal circuit |
04/26/1977 | US4020488 Or control apparatus |
04/12/1977 | US4017765 Short circuit protected electronic control system |
04/05/1977 | US4015548 Distributed programmable control system |
01/11/1977 | US4003030 Electronic cash register |
11/16/1976 | US3992698 Fail-safe speed command signal decoder |
10/19/1976 | US3987351 System for arranging the operations and connections between a computer linked to a process and a control station connected to the computer |
10/19/1976 | US3986372 Appliance programmer including a safety circuit |
10/05/1976 | US3984665 Process controller |
09/28/1976 | US3983471 Voltage regulating system |
09/07/1976 | US3979720 Apparatus for monitoring a redundant multi-channel analog system |
08/03/1976 | US3973170 Intrinsic safety barrier |
07/20/1976 | US3970864 Control arrangement fail-safe timing circuit |
07/06/1976 | US3968489 Apparatus for monitoring the operation of heater controllers |
06/01/1976 | US3961270 Apparatus comprising a plurality of separate parts, and control apparatus for producing synchronizing control signals for said separate parts |
05/11/1976 | US3955359 Bearing temperature system failure detection apparatus suitable for use in power plants and like apparatus |
03/02/1976 | US3941031 Pneumatic controller for controlling the operation of an automatic machine |
01/13/1976 | US3932213 Actuation |