| Patents for G05B 9 - Safety arrangements (6,168) |
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| 02/17/1994 | WO1994003854A1 Failsafe digital bus to analog protocol converter system |
| 02/17/1994 | WO1994003846A1 Method of input signal resolution for actively redundant process control computers |
| 02/17/1994 | CA2139563A1 Method of input signal resolution for actively redundant process control computers |
| 02/17/1994 | CA2120347A1 Failsafe digital bus to analog protocol converter system |
| 02/15/1994 | US5287390 Alarm system for a nuclear control complex |
| 02/15/1994 | US5287361 Process for extending the operating period of a circuit with MOS components exposed to gamma radiation |
| 02/15/1994 | US5287264 Multicontroller apparatus, multicontroller system, nuclear reactor protection system, inverter control system and diagnostic device |
| 02/15/1994 | US5287010 Device for preventing erroneous operation when the clock is interrupted in a controller |
| 02/10/1994 | DE4226309A1 Throttle movement limitation in error condition for automobile engine control - has multi-bit command to motor control circuit that is reduced to limit stroke of throttle in fault occurs |
| 02/08/1994 | US5285381 Multiple control-point control system and method of use |
| 02/08/1994 | US5285380 System and method for processing commands from a plurality of control sources |
| 02/03/1994 | WO1994002896A1 A fault-tolerant computer system |
| 01/26/1994 | EP0580217A1 Electronic switching-on apparatus and a switching-on method |
| 01/13/1994 | DE4321971A1 Switching circuit for redundant automation system - has two switches operated by drive stage according to voltage drops across switches |
| 01/06/1994 | WO1994000682A1 Motor vehicle control device |
| 01/04/1994 | US5276619 Electronic control system with self-diagnostic function for use in motor vehicle |
| 12/29/1993 | EP0575854A2 Mutual monitoring circuit for computers |
| 12/23/1993 | WO1993025965A1 Intelligent process control communication system and method |
| 12/23/1993 | WO1993025945A1 Stealth interface for process control computers |
| 12/23/1993 | DE4220247A1 Steuereinrichtung für Fahrzeuge Control apparatus for vehicles |
| 12/23/1993 | CA2137157A1 Stealth interface for process control computers |
| 12/23/1993 | CA2136633A1 Intelligent process control communication system and method |
| 12/21/1993 | CA1325485C Two-way ring communication system for elevator group control |
| 12/16/1993 | DE4317729A1 Programmierbare Steuereinheit Programmable control unit |
| 12/16/1993 | DE4219457A1 Computer system with inbuilt redundancy for safe operation - generates control signals for safety relevant drive of motor vehicle wheels based on combination of signals and outputs from redundancy sensors |
| 12/14/1993 | US5270917 Plant monitoring and control system |
| 12/14/1993 | US5270578 Method and system for controlling electric loads with high reliability |
| 12/08/1993 | EP0573186A2 Control device for a gas turbine system and control method therefor |
| 12/02/1993 | DE4217694A1 Monitoring of voltage signals used to control railway relay circuit - has voltages generated by separate transformers with outputs to phase comparator based circuit controlling relay. |
| 12/01/1993 | CN1022952C Data processing apparatus and its controller |
| 11/30/1993 | US5267277 Indicator system for advanced nuclear plant control complex |
| 11/25/1993 | DE4216699A1 Automatic computer-controlled protection of plant esp. of nuclear power station - uses computer network for redundant collection and processing of plant input signals and for delivery output signals e.g. adjustment commands to systems |
| 11/24/1993 | EP0570887A1 Method and system for the automatic protection of an equipment, especially a nuclear power plant |
| 10/27/1993 | EP0566996A2 Programmable controller with erroneous input prevention control circuit |
| 10/19/1993 | US5255149 Temperature abnormality detector for electronic apparatus |
| 10/14/1993 | WO1993020488A2 Process control interface system having triply redundant remote field units |
| 10/14/1993 | CA2131156A1 Process control interface system having triply redundant remote field units |
| 10/13/1993 | EP0564711A2 Image forming apparatus having functional redundancy system |
| 10/05/1993 | CA1322783C Failure detection mechanism for microcontroller based control system |
| 09/28/1993 | US5249119 Apparatus for and method of detecting a malfunction of a controller |
| 09/07/1993 | US5243606 Apparatus and method for detecting failure of an external device by a microcomputer |
| 08/25/1993 | EP0556805A2 Fail-safe information processing system |
| 08/25/1993 | CN1075560A Switching control device |
| 08/25/1993 | CA2090131A1 Temperature sensitive water supply shut-off system |
| 08/11/1993 | EP0554462A1 Method for dealing with instantaneous voltage drop of power supply in cnc equipment, and apparatus therefor |
| 08/05/1993 | DE4303048A1 Alarm recognition apparatus for redundant layout circuit in radio equipment - has input circuits delaying alarm recognition signals when circuits are switched to be operational systems |
| 08/03/1993 | US5233543 Device for generating a current corresponding to a quantity supplied to the device |
| 08/03/1993 | US5233512 Method and apparatus for actuator fault detection |
| 07/28/1993 | EP0552487A2 Electronic control system for a electromagnetic actuator in a vehicle with a control device |
| 07/21/1993 | EP0551631A2 Functional redundancy control system |
| 06/29/1993 | US5223207 Expert system for online surveillance of nuclear reactor coolant pumps |
| 06/23/1993 | EP0547259A1 Circuit for securing the operation of a computer-controlled apparatus |
| 06/22/1993 | US5222065 Device for generating measuring signals with a plurality of redundantly provided sensors |
| 06/15/1993 | CA1319182C Microprocessor-based controller with synchronous reset |
| 06/10/1993 | WO1993011475A1 Method for the automatic control of manufacturing processes |
| 06/09/1993 | EP0545627A2 Multi-lane controller |
| 06/08/1993 | US5216938 Control apparatus with fail-safe faculty |
| 06/03/1993 | DE4139179A1 Verfahren zur automatischen steuerung von chargenprozessen Method for the automatic control of batch processes |
| 06/01/1993 | US5214913 Servo valve control apparatus |
| 05/25/1993 | US5214362 Method for detecting a collision and stopping drive of a machine driven by servomotors |
| 05/19/1993 | CN1020705C Control apparatus for passenger conveyer |
| 05/13/1993 | WO1993009020A1 Process and device for dealing with errors in electronic control devices |
| 05/12/1993 | EP0541326A2 Determination of control system status |
| 05/11/1993 | US5210756 Fault detection in relay drive circuits |
| 05/06/1993 | DE4136338A1 Verfahren und vorrichtung zur fehlerbehandlung in elektronischen steuergeraeten Method and apparatus for error handling in electronic control units |
| 04/27/1993 | US5206810 Redundant actuator control |
| 04/14/1993 | EP0537041A1 Method and device for monitoring sensors and for locating failures in an industrial process |
| 04/13/1993 | US5202679 Mid-value signal selection system |
| 04/13/1993 | US5202540 Two-way ring communication system for elevator group control |
| 04/13/1993 | US5201380 Phased redundant sensor steering control |
| 04/07/1993 | EP0536011A1 Control and output protection system, especially for a programmable controller |
| 04/06/1993 | US5200691 Control system for excitation of synchronous machine |
| 04/05/1993 | CA2052781A1 Method of automatically activating/deactivating an electrical appliance in the presence of fire |
| 04/04/1993 | CA2052703A1 Dryer safety control system |
| 04/01/1993 | WO1993005991A1 Wheel speed verification system |
| 03/30/1993 | CA1315407C Fault-tolerant output circuits |
| 03/18/1993 | WO1993005453A1 Safe system provided with neural circuit |
| 03/17/1993 | EP0531653A2 Positioning and control apparatus that is interactively programmable using a display |
| 03/16/1993 | US5195029 Control and problem solving apparatus |
| 03/16/1993 | US5193886 Anti-skid control circuit for a wheeled vehicle |
| 03/16/1993 | CA1314607C Environmental position actuator apparatus having load responsive limit control apparatus |
| 03/04/1993 | WO1993004415A1 Method for dealing with instantaneous voltage drop of power supply in cnc equipment, and apparatus therefor |
| 02/17/1993 | CA2067903A1 Method of detecting, identifying, and alarming short-circuited outputs in electrostatic precipitator rapper and vibrator controls |
| 02/11/1993 | DE4125303A1 Actuator control system for road vehicle - has duplicate processors used for actuator operation with outputs coupled to logic circuit for fail=safe operation |
| 02/09/1993 | US5185693 Method and apparatus for providing backup process control |
| 02/03/1993 | EP0526418A1 System for the inherently safe control of the steering of the rear wheels of a motor vehicle |
| 02/03/1993 | EP0525574A2 System for controlling failsafe-systems |
| 02/02/1993 | US5184300 Control apparatus for a vehicle for controlling a device mounted thereon |
| 01/27/1993 | EP0524330A1 Process for fault recognition and location in redundant signal generating devices used in a automation system |
| 01/12/1993 | US5179513 Process and apparatus for the control of a process variable when an indefinite measuring signal is encountered |
| 12/30/1992 | EP0520868A1 Redundant type disturbance limiting device for a control arrangement |
| 12/29/1992 | US5175413 Fail-safe relay drive system for cooking apparatus |
| 12/16/1992 | EP0518630A2 Redundant control system |
| 12/16/1992 | EP0288573B1 Injection molding machine capable of remote start and stop |
| 12/10/1992 | DE4218500A1 Fernsteuerung Remote control |
| 12/10/1992 | DE4118692A1 Vorrichtung zur fehlerspeicherung in einer steuereinrichtung eines kraftfahrzeugs Apparatus for fault storage in a control device of a motor vehicle |
| 12/01/1992 | US5168463 Shift register apparatus for storing data therein |
| 12/01/1992 | US5168443 Method for providing redundancy of a high speed pulse input I/O processor |
| 11/26/1992 | WO1992017828A3 Signal selection system |
| 11/25/1992 | EP0514635A1 Control in which deficient input signals are replaced by statistically probable signals |