| Patents for G05B 9 - Safety arrangements (6,168) |
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| 11/25/1992 | CN1066540A Control system including switching circuit for ensuring proper operation when operating power is removed from portion of control system |
| 11/19/1992 | EP0513158A1 Control system |
| 11/19/1992 | DE4115647A1 Control system for road vehicle - has engine controlled by processor receiving inputs from accelerator pedal sensors duplicated for fail=safe operation |
| 11/11/1992 | EP0512920A2 Detection circuit for detecting a state of a control system with improved accuracy |
| 11/11/1992 | EP0512240A1 System for the control of motor vehicles |
| 11/05/1992 | DE4113959A1 Ueberwachungseinrichtung A monitoring |
| 10/15/1992 | WO1992017828A2 Signal selection system |
| 10/14/1992 | EP0508794A1 Method and apparatus for monitoring the proper operation of a device used in detecting buried magnets in a control system for materials handling vehicles |
| 10/13/1992 | US5155730 Reset circuit for microcomputer |
| 10/06/1992 | US5153809 Self diagnosing circuit for a load control circuit |
| 10/01/1992 | DE4111918C1 Electronic controller for vehicle IC engine - uses interrupt routine in microprocessor to monitor faults in equipment and initiate emergency processes |
| 09/15/1992 | US5148364 Redundant multi-channel closed loop control device with analog integrators |
| 09/15/1992 | US5148053 For a meat skinning machine |
| 09/01/1992 | US5144543 Domestic appliance having electrically isolated input control circuitry |
| 09/01/1992 | US5143119 Drive for a feed valve |
| 08/25/1992 | US5142474 Electronic control apparatus having a fail-safe mechanism for a vehicle |
| 08/22/1992 | CA2039975A1 Safety means for powered machinery |
| 08/05/1992 | EP0497147A2 Redundant automation system |
| 08/04/1992 | US5136693 Architecture for a signal processing apparatus |
| 08/04/1992 | CA1306060C Apparatus and method for ground isolated system diagnostics |
| 07/29/1992 | EP0496509A1 Control system |
| 07/21/1992 | CA1305547C Security device for conveying systems with unmanned vehicles |
| 07/16/1992 | DE4100501A1 Detecting and identifying faults at sensors for state values - using association matrix giving optimal relationship between characteristic vectors and associated classification vectors |
| 07/07/1992 | US5128943 Independent backup mode transfer and mechanism for digital control computers |
| 07/07/1992 | CA1304768C Multiple control circuit |
| 06/11/1992 | DE4039357A1 Fault recognition in computer controlled system e.g. vehicle ignition or injection - comparing stored sensor data with reference to determine fault in sensor using computer |
| 06/09/1992 | CA1303184C Anti-bounce logic for critical loads |
| 06/03/1992 | CN1061671A Autonomous distributed field bus system |
| 06/02/1992 | US5119381 Program execution malfunction detecting method for an automobile controlling device |
| 05/26/1992 | US5117421 Remote supervisory and controlling system |
| 05/19/1992 | US5115177 Malfunction diagnosis method |
| 05/12/1992 | US5112080 Sensor control circuit |
| 05/07/1992 | DE4134396A1 Automation system for safe operation of mining equipment - has duplicated control units with watchdog circuits to identify faults and operate brakes |
| 05/05/1992 | US5111383 Apparatus for recovering sequentially controlled apparatus |
| 05/05/1992 | US5111053 Controlling a liquid metal ion source by analog feedback and digital CPU control |
| 05/05/1992 | US5109675 Valve position sensing circuit |
| 04/29/1992 | EP0418258B1 Control unit for steering the rear wheels of a road service vehicle |
| 04/21/1992 | US5107435 Apparatus for controlling machine tool having special display, data entry and motor control modes |
| 04/21/1992 | US5107425 Control system for control devices of a motor vehicle |
| 04/21/1992 | US5107222 Control device for particle accelerator |
| 04/21/1992 | CA1299270C Device for the management of an electrohydraulic pressure control |
| 04/16/1992 | DE4032423A1 Vehicle restrain system monitoring electronic equipment - has duplicate warning lamps and cross-coupled transistor switches ensuring that one lamp fulfils alarm function |
| 04/16/1992 | DE4032033A1 Electric control and monitoring for underground plant - triggering safety-relevant signals for transmission over independent paths and processing by redundant systems |
| 04/10/1992 | CA2052926A1 Control and monitoring method in an electrical automation system for a technical installation |
| 04/02/1992 | DE4030696A1 Duplicated processor system for IC engine control - has safe operating condition ensured based upon both master and slave processors generating stated output |
| 04/01/1992 | EP0478289A2 Fault detection in relay drive circuits |
| 03/25/1992 | EP0476160A1 Apparatus for generating measurement signals with a plurality of redundant sensors |
| 03/24/1992 | US5099411 Digital method of controlling and regulating a turbine that has gas or steam flowing through it and device for carrying out the method |
| 03/10/1992 | US5095418 Multiplex control system |
| 02/27/1992 | DE4026974A1 Operation circuit for microcomputers e.g. in vehicle control - contains watchdog computer and memory and uses minimum number of computer inputs and outputs |
| 02/26/1992 | EP0472169A2 Plant monitoring and control system |
| 02/25/1992 | CA1296408C Safety control device for an actuator of the flap solenoid valve type |
| 02/20/1992 | DE4025888A1 Binary signal processing circuit for output signal prodn. - transmits binary input signals to photosensitive components and/or light emitting components |
| 02/18/1992 | US5089689 Flame safeguard control anti-swap feature |
| 02/11/1992 | US5088021 Apparatus and method for guaranteed data store in redundant controllers of a process control system |
| 02/04/1992 | US5086499 Computer network for real time control with automatic fault identification and by-pass |
| 02/04/1992 | US5086395 Safety device of an electric control or regulating system for a gearshift mechanism, which contains at least one electromagnetic control element |
| 01/29/1992 | EP0468361A1 Limitation of closing force at the closing edge of a movable element |
| 01/28/1992 | US5083653 Control apparatus for passenger conveyer |
| 12/18/1991 | EP0461982A1 Method for extension of the life time of a circuit with MOS-components subject to "Gamma" radiation |
| 12/11/1991 | EP0460308A1 Methods for control data base updating of a redundant processor in a process control system |
| 12/04/1991 | EP0459102A1 Method and apparatus for monitoring the draft ratio in a drafting machine of a spinning machine |
| 11/27/1991 | EP0458639A2 Servo valve control method and apparatus |
| 11/27/1991 | EP0458132A2 Sequential function chart (SFC) controller for controlling a machine in reverse operation |
| 11/21/1991 | EP0457201A2 Device for generating a current corresponding to the input quantity of the device |
| 11/21/1991 | DE4016016A1 Circuit for process control and smooth process line changeover - contains ramp generator, multiplier and subtractor driving process line control elements |
| 11/19/1991 | US5067080 Digital control system |
| 11/12/1991 | US5065307 Apparatus for insulating and preventing noise in the output of a sequence controller |
| 11/06/1991 | EP0455201A2 Apparatus for and method of detecting a malfunction of a controller |
| 11/03/1991 | CA2041419A1 Apparatus for and method of detecting a malfunction of a controller |
| 10/15/1991 | US5057994 Control system for industrial plant |
| 10/08/1991 | US5056001 Method for configuring an input/output module coupled to a programmable logic controller |
| 09/18/1991 | EP0446954A2 Control system for excitation of synchronous machine |
| 09/04/1991 | EP0329774A4 Fault-tolerant output circuits |
| 08/28/1991 | EP0443384A2 Method for the redundant rotation speed control and apparatus for carrying out this method |
| 08/27/1991 | US5043648 Method for two-channel safe regulation of an apparatus |
| 08/27/1991 | CA1288147C Fault tolerant control for a refrigerator |
| 08/08/1991 | WO1991011757A1 Control system |
| 08/08/1991 | DE4016018C1 Process regulating circuitry using two measurers in parallel - has range selection stage cooperating with proportional member and lowest and highest value limiting stages |
| 07/23/1991 | US5034681 Voltage detection |
| 07/17/1991 | EP0436543A1 Failure detection mechanism for microcontroller based control system. |
| 07/11/1991 | WO1991010176A1 Device for preventing erroneous operation when the clock is interrupted in a controller |
| 07/09/1991 | US5031178 Apparatus and method for ground isolated system diagnostics |
| 07/03/1991 | EP0435613A2 Bus interface controller with bus isolation capability for redundant system implementations |
| 06/29/1991 | CA2032423A1 Bus interface controller with bus isolation capability for redundant system implementations |
| 06/26/1991 | EP0434288A2 Programmable logic controller and method of operation thereof |
| 06/26/1991 | EP0433965A1 Household appliance or the like |
| 06/26/1991 | EP0433791A1 Actuator for a feeding valve |
| 06/21/1991 | CA2006277A1 Fire control system |
| 06/13/1991 | WO1991008535A1 Method and apparatus for providing backup process control |
| 06/13/1991 | DE4039013A1 Error function data detector in multiprocessor system - reduces load on processors with no errors by interrupting only affected units for data gathering |
| 06/11/1991 | US5023816 Method and apparatus for conditioning AC input signals |
| 06/11/1991 | US5023779 Distributed processing environment fault isolation |
| 06/11/1991 | US5023536 Servo-controller |
| 05/23/1991 | DE3938429A1 Input and output unit for microprocessor-controlled device - plugs into memory device socket when memory device is removed for maintenance and error correction without additional cost |
| 05/22/1991 | EP0428338A2 Transducer monitoring apparatus and method |
| 05/21/1991 | US5017848 Drive control circuit |
| 05/02/1991 | EP0424862A2 Analog multi-channel controller |
| 05/02/1991 | EP0424730A2 Industrial robot apparatus |
| 04/17/1991 | EP0422835A2 Flame safeguard control anti-swap feature |