| Patents for G05B 9 - Safety arrangements (6,168) |
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| 04/16/1991 | US5008805 Real time, fail safe process control system and method |
| 04/16/1991 | US5008662 Remote supervisory and controlling machine |
| 04/16/1991 | US5008561 Device depowering apparatus |
| 03/27/1991 | EP0418393A1 Input/output signal control system |
| 03/19/1991 | US5001641 Automobile |
| 03/13/1991 | EP0416370A2 Method and device for detecting and indentifying sensor errors |
| 03/07/1991 | DE4007460A1 Rapid identification of faults and changeover in telephone network - having faults identified by 1 out of N-unit coupled back to switching network |
| 03/05/1991 | US4998194 Multiplex control system with programmable logic for controlling signal transfer between controllers and one or more controlled systems |
| 02/12/1991 | US4992928 Multiple error processor in automatic work handling apparatus |
| 02/07/1991 | DE3926377A1 Two-watchdog electronic control equipment for IC engine - provides self-checking of both computers and switches out faulty computer supplying two driver outputs |
| 02/06/1991 | EP0411295A2 Real time, fail safe process control system and method |
| 02/05/1991 | CA1279891C Universal synchronous marine navigation light system |
| 01/30/1991 | CN1048830A Control apparatus for passenger conveyer |
| 01/29/1991 | US4989129 Multiplex control system |
| 01/16/1991 | EP0120975B1 Numerical controlling device and method |
| 01/15/1991 | US4985824 Reliable fuzzy fault tolerant controller |
| 01/15/1991 | US4985729 Control system for reproduction machines providing an extended almost jam interval and shutdown delay |
| 01/03/1991 | DE3921286A1 Procedure for stable electronic process control systems - receiving demand and feedback signals to stabilise system along with fail safe circuit |
| 01/02/1991 | EP0405732A2 Digital signal multiprocessor |
| 01/02/1991 | EP0404992A1 Method for operating with a high availability redundant data-processing units |
| 12/20/1990 | DE3919878A1 Testing controller external circuit - by connecting serial input and output of external circuit, and measuring transition time of signal edge |
| 12/13/1990 | DE3918422A1 Instruction output circuit monitor for process controller - has measurement circuit with shunt for tapping output circuit resistance dependent voltage |
| 12/06/1990 | DE3917482A1 Air conditioning control circuitry with redundancy - has internal controllers in all devices activating redundant ready devices when redundancy line voltage changes |
| 11/28/1990 | EP0399308A2 Computer network for real time control with automatic fault identification and by-pass |
| 11/28/1990 | EP0170705B1 Robot system safety method |
| 11/27/1990 | US4974180 Method and apparatus for testing signal quality in a burner control system |
| 11/27/1990 | US4974179 Method and apparatus for preventing race conditions in a control system |
| 11/22/1990 | EP0397913A1 Rectifying device |
| 10/23/1990 | US4965714 In a process control system |
| 10/23/1990 | CA1275472C Surveillance method and system for an industrial installation |
| 10/16/1990 | US4963088 In a digital control system |
| 10/16/1990 | US4962680 Electronic control device for a drive system |
| 10/04/1990 | WO1990011556A1 Input/output signal control system |
| 09/19/1990 | EP0388047A2 Device depowering apparatus |
| 09/18/1990 | US4958270 Method for control data base updating of a redundant processor in a process control system |
| 09/12/1990 | EP0386585A2 Multiplexed digital control device |
| 09/12/1990 | CN1009584B Vital safety monitoring circuit |
| 09/11/1990 | US4956776 Device for managing an electrohydraulic pressure control |
| 09/05/1990 | EP0385885A1 High-security operation frequency-coding system |
| 08/29/1990 | EP0383939A1 Fault diagnosing system |
| 08/22/1990 | EP0382973A2 Voltage detection |
| 08/13/1990 | CA2006802A1 Voltage detection |
| 08/08/1990 | EP0380707A1 Impingement detection/driving stop method in machine driven by servo motor |
| 08/02/1990 | DE3902849A1 Circuit arrangement for exchange of data between two microcomputers |
| 07/31/1990 | CA1272271A1 Establishing synthesis validity between two signal sources |
| 07/25/1990 | EP0378713A1 Digital control and regulation method for a gas or steam turbine, and device for carrying out the method |
| 07/24/1990 | US4943924 Trouble checking apparatus |
| 07/18/1990 | EP0377736A1 Controller having deducing function |
| 07/12/1990 | WO1990007736A1 Method and device for the redundant control of a power member |
| 06/28/1990 | DE3926705A1 Anordnung und vorrichtung zum regeln eines gasturbinentriebwerks Arrangement and control device for a gas turbine engine |
| 06/26/1990 | CA1270928A1 Microcomputer implemented control device |
| 06/21/1990 | DE3842316A1 Self-monitoring start-up circuit for electrical loads |
| 06/05/1990 | US4931975 Microprocessor-based controller with synchronous reset |
| 05/15/1990 | US4926364 Method and apparatus for determining weighted average of process variable |
| 04/18/1990 | CN1041465A Control and data processing apparatus |
| 04/10/1990 | US4916698 Failure detection mechanism for microcontroller based control system |
| 04/10/1990 | US4916612 Dual channel signal selection and fault detection system |
| 04/05/1990 | WO1990003602A1 Failure detection mechanism for microcontroller based control system |
| 04/03/1990 | CA1267462A1 Diagnostic system for detecting faulty sensors in a refrigeration system |
| 03/27/1990 | US4912382 Fail safe monitoring apparatus and method |
| 03/21/1990 | EP0358887A2 Error detection circuit for a measuring device |
| 03/21/1990 | EP0130218B1 Method of protecting file of numerical control |
| 03/20/1990 | US4910494 Automotive vehicle control system |
| 03/14/1990 | EP0358089A1 Sequence controller |
| 03/08/1990 | WO1990002364A1 Fault diagnosing system |
| 02/27/1990 | US4904999 Fault monitoring system for aircraft power control units |
| 02/22/1990 | WO1990001732A1 Impingement detection/driving stop method in machine driven by servo motor |
| 02/13/1990 | USRE33162 Method and apparatus for guidance of an operation of operating power plants |
| 01/31/1990 | EP0352759A2 Control system for actuators in a motor vehicle |
| 01/18/1990 | DE3919558A1 Circuit arrangement for a press safety controller |
| 12/28/1989 | DE3821286A1 Equipment for reference voltage compensation, especially in a control system for an internal combustion engine |
| 12/26/1989 | US4890284 Backup control system (BUCS) |
| 12/20/1989 | EP0347179A2 Anti-bounce logic for critical loads |
| 12/20/1989 | EP0346807A1 State validation device |
| 12/20/1989 | EP0346804A1 Data-processing and control device |
| 12/12/1989 | US4887214 Flight control system employing two dual controllers operating a dual actuator |
| 11/28/1989 | US4884211 Numerical control unit file protection system |
| 11/28/1989 | US4884201 Automatic gear change device |
| 11/23/1989 | DE3816254A1 Steuereinheit zur lenkung der hinterraeder eines strassenfahrzeuges Control unit for steering the rear wheels of a road vehicle |
| 11/22/1989 | CN1037409A Information handling and control system |
| 11/16/1989 | WO1989011122A1 Fail safe monitoring apparatus and method |
| 11/16/1989 | WO1989010865A1 Control unit for steering the rear wheels of a road service vehicle |
| 11/14/1989 | US4880994 Method and device for the redundant control of a power controlled unit |
| 10/10/1989 | US4873606 Safety control device for an actuator of the flap solenoid valve type |
| 10/03/1989 | US4870727 Method for detecting anomalies in corduroy preparation |
| 09/26/1989 | US4870526 Automatic power turn-off apparatus for an electronic apparatus |
| 09/26/1989 | CA1260113A1 Apparatus for detecting anomalies in corduroy preparation |
| 09/20/1989 | EP0333233A2 Method for detecting heater circuit malfunctions in a multi-component hot melt heating system |
| 09/19/1989 | US4868826 Fault-tolerant output circuits |
| 09/14/1989 | DE3807129A1 Regelvorrichtung, insbesondere fuer rollstuhl Control device, especially for wheelchair |
| 09/12/1989 | US4866363 Fail-safe potentiometer feedback system |
| 09/12/1989 | CA1259375A1 Method of checking channel connections and detecting heater circuit and temperature sensor malfunctions in multi-channel closed loop hot melt heating systems |
| 09/05/1989 | US4864531 Error control apparatus using restore memory for recovering from parity discordances in transmissions between controller and real-time I/O devices |
| 09/05/1989 | US4864202 Method and apparatus for monitoring the operation of a computer-controlled operating element, particularly triggered safety apparatus for an automotive vehicle |
| 08/30/1989 | EP0330577A2 Apparatus for storing data therein |
| 08/30/1989 | EP0329774A1 Fault-tolerant output circuit |
| 08/22/1989 | US4858885 Anti-bounce logic for critical loads |
| 08/16/1989 | EP0328235A2 Information handling and control systems |
| 08/08/1989 | US4855717 Security device for conveying systems with unmanned vehicles |
| 08/08/1989 | US4854852 System for redundantly processing a flame amplifier output signal |