Patents for G05B 9 - Safety arrangements (6,168)
04/1991
04/16/1991US5008805 Real time, fail safe process control system and method
04/16/1991US5008662 Remote supervisory and controlling machine
04/16/1991US5008561 Device depowering apparatus
03/1991
03/27/1991EP0418393A1 Input/output signal control system
03/19/1991US5001641 Automobile
03/13/1991EP0416370A2 Method and device for detecting and indentifying sensor errors
03/07/1991DE4007460A1 Rapid identification of faults and changeover in telephone network - having faults identified by 1 out of N-unit coupled back to switching network
03/05/1991US4998194 Multiplex control system with programmable logic for controlling signal transfer between controllers and one or more controlled systems
02/1991
02/12/1991US4992928 Multiple error processor in automatic work handling apparatus
02/07/1991DE3926377A1 Two-watchdog electronic control equipment for IC engine - provides self-checking of both computers and switches out faulty computer supplying two driver outputs
02/06/1991EP0411295A2 Real time, fail safe process control system and method
02/05/1991CA1279891C Universal synchronous marine navigation light system
01/1991
01/30/1991CN1048830A Control apparatus for passenger conveyer
01/29/1991US4989129 Multiplex control system
01/16/1991EP0120975B1 Numerical controlling device and method
01/15/1991US4985824 Reliable fuzzy fault tolerant controller
01/15/1991US4985729 Control system for reproduction machines providing an extended almost jam interval and shutdown delay
01/03/1991DE3921286A1 Procedure for stable electronic process control systems - receiving demand and feedback signals to stabilise system along with fail safe circuit
01/02/1991EP0405732A2 Digital signal multiprocessor
01/02/1991EP0404992A1 Method for operating with a high availability redundant data-processing units
12/1990
12/20/1990DE3919878A1 Testing controller external circuit - by connecting serial input and output of external circuit, and measuring transition time of signal edge
12/13/1990DE3918422A1 Instruction output circuit monitor for process controller - has measurement circuit with shunt for tapping output circuit resistance dependent voltage
12/06/1990DE3917482A1 Air conditioning control circuitry with redundancy - has internal controllers in all devices activating redundant ready devices when redundancy line voltage changes
11/1990
11/28/1990EP0399308A2 Computer network for real time control with automatic fault identification and by-pass
11/28/1990EP0170705B1 Robot system safety method
11/27/1990US4974180 Method and apparatus for testing signal quality in a burner control system
11/27/1990US4974179 Method and apparatus for preventing race conditions in a control system
11/22/1990EP0397913A1 Rectifying device
10/1990
10/23/1990US4965714 In a process control system
10/23/1990CA1275472C Surveillance method and system for an industrial installation
10/16/1990US4963088 In a digital control system
10/16/1990US4962680 Electronic control device for a drive system
10/04/1990WO1990011556A1 Input/output signal control system
09/1990
09/19/1990EP0388047A2 Device depowering apparatus
09/18/1990US4958270 Method for control data base updating of a redundant processor in a process control system
09/12/1990EP0386585A2 Multiplexed digital control device
09/12/1990CN1009584B Vital safety monitoring circuit
09/11/1990US4956776 Device for managing an electrohydraulic pressure control
09/05/1990EP0385885A1 High-security operation frequency-coding system
08/1990
08/29/1990EP0383939A1 Fault diagnosing system
08/22/1990EP0382973A2 Voltage detection
08/13/1990CA2006802A1 Voltage detection
08/08/1990EP0380707A1 Impingement detection/driving stop method in machine driven by servo motor
08/02/1990DE3902849A1 Circuit arrangement for exchange of data between two microcomputers
07/1990
07/31/1990CA1272271A1 Establishing synthesis validity between two signal sources
07/25/1990EP0378713A1 Digital control and regulation method for a gas or steam turbine, and device for carrying out the method
07/24/1990US4943924 Trouble checking apparatus
07/18/1990EP0377736A1 Controller having deducing function
07/12/1990WO1990007736A1 Method and device for the redundant control of a power member
06/1990
06/28/1990DE3926705A1 Anordnung und vorrichtung zum regeln eines gasturbinentriebwerks Arrangement and control device for a gas turbine engine
06/26/1990CA1270928A1 Microcomputer implemented control device
06/21/1990DE3842316A1 Self-monitoring start-up circuit for electrical loads
06/05/1990US4931975 Microprocessor-based controller with synchronous reset
05/1990
05/15/1990US4926364 Method and apparatus for determining weighted average of process variable
04/1990
04/18/1990CN1041465A Control and data processing apparatus
04/10/1990US4916698 Failure detection mechanism for microcontroller based control system
04/10/1990US4916612 Dual channel signal selection and fault detection system
04/05/1990WO1990003602A1 Failure detection mechanism for microcontroller based control system
04/03/1990CA1267462A1 Diagnostic system for detecting faulty sensors in a refrigeration system
03/1990
03/27/1990US4912382 Fail safe monitoring apparatus and method
03/21/1990EP0358887A2 Error detection circuit for a measuring device
03/21/1990EP0130218B1 Method of protecting file of numerical control
03/20/1990US4910494 Automotive vehicle control system
03/14/1990EP0358089A1 Sequence controller
03/08/1990WO1990002364A1 Fault diagnosing system
02/1990
02/27/1990US4904999 Fault monitoring system for aircraft power control units
02/22/1990WO1990001732A1 Impingement detection/driving stop method in machine driven by servo motor
02/13/1990USRE33162 Method and apparatus for guidance of an operation of operating power plants
01/1990
01/31/1990EP0352759A2 Control system for actuators in a motor vehicle
01/18/1990DE3919558A1 Circuit arrangement for a press safety controller
12/1989
12/28/1989DE3821286A1 Equipment for reference voltage compensation, especially in a control system for an internal combustion engine
12/26/1989US4890284 Backup control system (BUCS)
12/20/1989EP0347179A2 Anti-bounce logic for critical loads
12/20/1989EP0346807A1 State validation device
12/20/1989EP0346804A1 Data-processing and control device
12/12/1989US4887214 Flight control system employing two dual controllers operating a dual actuator
11/1989
11/28/1989US4884211 Numerical control unit file protection system
11/28/1989US4884201 Automatic gear change device
11/23/1989DE3816254A1 Steuereinheit zur lenkung der hinterraeder eines strassenfahrzeuges Control unit for steering the rear wheels of a road vehicle
11/22/1989CN1037409A Information handling and control system
11/16/1989WO1989011122A1 Fail safe monitoring apparatus and method
11/16/1989WO1989010865A1 Control unit for steering the rear wheels of a road service vehicle
11/14/1989US4880994 Method and device for the redundant control of a power controlled unit
10/1989
10/10/1989US4873606 Safety control device for an actuator of the flap solenoid valve type
10/03/1989US4870727 Method for detecting anomalies in corduroy preparation
09/1989
09/26/1989US4870526 Automatic power turn-off apparatus for an electronic apparatus
09/26/1989CA1260113A1 Apparatus for detecting anomalies in corduroy preparation
09/20/1989EP0333233A2 Method for detecting heater circuit malfunctions in a multi-component hot melt heating system
09/19/1989US4868826 Fault-tolerant output circuits
09/14/1989DE3807129A1 Regelvorrichtung, insbesondere fuer rollstuhl Control device, especially for wheelchair
09/12/1989US4866363 Fail-safe potentiometer feedback system
09/12/1989CA1259375A1 Method of checking channel connections and detecting heater circuit and temperature sensor malfunctions in multi-channel closed loop hot melt heating systems
09/05/1989US4864531 Error control apparatus using restore memory for recovering from parity discordances in transmissions between controller and real-time I/O devices
09/05/1989US4864202 Method and apparatus for monitoring the operation of a computer-controlled operating element, particularly triggered safety apparatus for an automotive vehicle
08/1989
08/30/1989EP0330577A2 Apparatus for storing data therein
08/30/1989EP0329774A1 Fault-tolerant output circuit
08/22/1989US4858885 Anti-bounce logic for critical loads
08/16/1989EP0328235A2 Information handling and control systems
08/08/1989US4855717 Security device for conveying systems with unmanned vehicles
08/08/1989US4854852 System for redundantly processing a flame amplifier output signal
1 ... 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62