Patents for G05B 9 - Safety arrangements (6,168)
11/1992
11/25/1992CN1066540A Control system including switching circuit for ensuring proper operation when operating power is removed from portion of control system
11/19/1992EP0513158A1 Control system
11/19/1992DE4115647A1 Control system for road vehicle - has engine controlled by processor receiving inputs from accelerator pedal sensors duplicated for fail=safe operation
11/11/1992EP0512920A2 Detection circuit for detecting a state of a control system with improved accuracy
11/11/1992EP0512240A1 System for the control of motor vehicles
11/05/1992DE4113959A1 Ueberwachungseinrichtung A monitoring
10/1992
10/15/1992WO1992017828A2 Signal selection system
10/14/1992EP0508794A1 Method and apparatus for monitoring the proper operation of a device used in detecting buried magnets in a control system for materials handling vehicles
10/13/1992US5155730 Reset circuit for microcomputer
10/06/1992US5153809 Self diagnosing circuit for a load control circuit
10/01/1992DE4111918C1 Electronic controller for vehicle IC engine - uses interrupt routine in microprocessor to monitor faults in equipment and initiate emergency processes
09/1992
09/15/1992US5148364 Redundant multi-channel closed loop control device with analog integrators
09/15/1992US5148053 For a meat skinning machine
09/01/1992US5144543 Domestic appliance having electrically isolated input control circuitry
09/01/1992US5143119 Drive for a feed valve
08/1992
08/25/1992US5142474 Electronic control apparatus having a fail-safe mechanism for a vehicle
08/22/1992CA2039975A1 Safety means for powered machinery
08/05/1992EP0497147A2 Redundant automation system
08/04/1992US5136693 Architecture for a signal processing apparatus
08/04/1992CA1306060C Apparatus and method for ground isolated system diagnostics
07/1992
07/29/1992EP0496509A1 Control system
07/21/1992CA1305547C Security device for conveying systems with unmanned vehicles
07/16/1992DE4100501A1 Detecting and identifying faults at sensors for state values - using association matrix giving optimal relationship between characteristic vectors and associated classification vectors
07/07/1992US5128943 Independent backup mode transfer and mechanism for digital control computers
07/07/1992CA1304768C Multiple control circuit
06/1992
06/11/1992DE4039357A1 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
06/09/1992CA1303184C Anti-bounce logic for critical loads
06/03/1992CN1061671A Autonomous distributed field bus system
06/02/1992US5119381 Program execution malfunction detecting method for an automobile controlling device
05/1992
05/26/1992US5117421 Remote supervisory and controlling system
05/19/1992US5115177 Malfunction diagnosis method
05/12/1992US5112080 Sensor control circuit
05/07/1992DE4134396A1 Automation system for safe operation of mining equipment - has duplicated control units with watchdog circuits to identify faults and operate brakes
05/05/1992US5111383 Apparatus for recovering sequentially controlled apparatus
05/05/1992US5111053 Controlling a liquid metal ion source by analog feedback and digital CPU control
05/05/1992US5109675 Valve position sensing circuit
04/1992
04/29/1992EP0418258B1 Control unit for steering the rear wheels of a road service vehicle
04/21/1992US5107435 Apparatus for controlling machine tool having special display, data entry and motor control modes
04/21/1992US5107425 Control system for control devices of a motor vehicle
04/21/1992US5107222 Control device for particle accelerator
04/21/1992CA1299270C Device for the management of an electrohydraulic pressure control
04/16/1992DE4032423A1 Vehicle restrain system monitoring electronic equipment - has duplicate warning lamps and cross-coupled transistor switches ensuring that one lamp fulfils alarm function
04/16/1992DE4032033A1 Electric control and monitoring for underground plant - triggering safety-relevant signals for transmission over independent paths and processing by redundant systems
04/10/1992CA2052926A1 Control and monitoring method in an electrical automation system for a technical installation
04/02/1992DE4030696A1 Duplicated processor system for IC engine control - has safe operating condition ensured based upon both master and slave processors generating stated output
04/01/1992EP0478289A2 Fault detection in relay drive circuits
03/1992
03/25/1992EP0476160A1 Apparatus for generating measurement signals with a plurality of redundant sensors
03/24/1992US5099411 Digital method of controlling and regulating a turbine that has gas or steam flowing through it and device for carrying out the method
03/10/1992US5095418 Multiplex control system
02/1992
02/27/1992DE4026974A1 Operation circuit for microcomputers e.g. in vehicle control - contains watchdog computer and memory and uses minimum number of computer inputs and outputs
02/26/1992EP0472169A2 Plant monitoring and control system
02/25/1992CA1296408C Safety control device for an actuator of the flap solenoid valve type
02/20/1992DE4025888A1 Binary signal processing circuit for output signal prodn. - transmits binary input signals to photosensitive components and/or light emitting components
02/18/1992US5089689 Flame safeguard control anti-swap feature
02/11/1992US5088021 Apparatus and method for guaranteed data store in redundant controllers of a process control system
02/04/1992US5086499 Computer network for real time control with automatic fault identification and by-pass
02/04/1992US5086395 Safety device of an electric control or regulating system for a gearshift mechanism, which contains at least one electromagnetic control element
01/1992
01/29/1992EP0468361A1 Limitation of closing force at the closing edge of a movable element
01/28/1992US5083653 Control apparatus for passenger conveyer
12/1991
12/18/1991EP0461982A1 Method for extension of the life time of a circuit with MOS-components subject to "Gamma" radiation
12/11/1991EP0460308A1 Methods for control data base updating of a redundant processor in a process control system
12/04/1991EP0459102A1 Method and apparatus for monitoring the draft ratio in a drafting machine of a spinning machine
11/1991
11/27/1991EP0458639A2 Servo valve control method and apparatus
11/27/1991EP0458132A2 Sequential function chart (SFC) controller for controlling a machine in reverse operation
11/21/1991EP0457201A2 Device for generating a current corresponding to the input quantity of the device
11/21/1991DE4016016A1 Circuit for process control and smooth process line changeover - contains ramp generator, multiplier and subtractor driving process line control elements
11/19/1991US5067080 Digital control system
11/12/1991US5065307 Apparatus for insulating and preventing noise in the output of a sequence controller
11/06/1991EP0455201A2 Apparatus for and method of detecting a malfunction of a controller
11/03/1991CA2041419A1 Apparatus for and method of detecting a malfunction of a controller
10/1991
10/15/1991US5057994 Control system for industrial plant
10/08/1991US5056001 Method for configuring an input/output module coupled to a programmable logic controller
09/1991
09/18/1991EP0446954A2 Control system for excitation of synchronous machine
09/04/1991EP0329774A4 Fault-tolerant output circuits
08/1991
08/28/1991EP0443384A2 Method for the redundant rotation speed control and apparatus for carrying out this method
08/27/1991US5043648 Method for two-channel safe regulation of an apparatus
08/27/1991CA1288147C Fault tolerant control for a refrigerator
08/08/1991WO1991011757A1 Control system
08/08/1991DE4016018C1 Process regulating circuitry using two measurers in parallel - has range selection stage cooperating with proportional member and lowest and highest value limiting stages
07/1991
07/23/1991US5034681 Voltage detection
07/17/1991EP0436543A1 Failure detection mechanism for microcontroller based control system.
07/11/1991WO1991010176A1 Device for preventing erroneous operation when the clock is interrupted in a controller
07/09/1991US5031178 Apparatus and method for ground isolated system diagnostics
07/03/1991EP0435613A2 Bus interface controller with bus isolation capability for redundant system implementations
06/1991
06/29/1991CA2032423A1 Bus interface controller with bus isolation capability for redundant system implementations
06/26/1991EP0434288A2 Programmable logic controller and method of operation thereof
06/26/1991EP0433965A1 Household appliance or the like
06/26/1991EP0433791A1 Actuator for a feeding valve
06/21/1991CA2006277A1 Fire control system
06/13/1991WO1991008535A1 Method and apparatus for providing backup process control
06/13/1991DE4039013A1 Error function data detector in multiprocessor system - reduces load on processors with no errors by interrupting only affected units for data gathering
06/11/1991US5023816 Method and apparatus for conditioning AC input signals
06/11/1991US5023779 Distributed processing environment fault isolation
06/11/1991US5023536 Servo-controller
05/1991
05/23/1991DE3938429A1 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
05/22/1991EP0428338A2 Transducer monitoring apparatus and method
05/21/1991US5017848 Drive control circuit
05/02/1991EP0424862A2 Analog multi-channel controller
05/02/1991EP0424730A2 Industrial robot apparatus
04/1991
04/17/1991EP0422835A2 Flame safeguard control anti-swap feature
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