Patents
Patents for G06F 11 - Error detection; Error correction; Monitoring (140,345)
02/1987
02/03/1987US4641254 Test set for a navigational satellite receiver
02/03/1987US4641243 Computer-controlled interlocking system for a railway installation
01/1987
01/29/1987WO1987000675A2 Control system for chained circuit modules
01/29/1987WO1987000674A2 Wafer-scale integrated circuit memory
01/28/1987EP0209982A2 Digital integrated circuits
01/28/1987EP0209923A1 Arrangement for identifying peripheral apparatuses which may be connected at geographically different locations to a communication network by means of local coupling units
01/28/1987CN86101621A Improved signature analysis device for electronic circuits
01/28/1987CN86101612A Computer assisted fault isolation in circuit board testing
01/27/1987US4639917 Fault determining apparatus for data transmission system
01/27/1987US4639916 Automatic method and machine for the simultaneous testing of data processing systems
01/27/1987US4639889 System for controlling communication between a main control assembly and programmable terminal units
01/27/1987US4639888 Circuit arrangement for accelerated carry formation in an adder device
01/27/1987US4639864 Power interlock system and method for use with multiprocessor systems
01/27/1987US4639860 Wrap-around logic for interprocessor communications
01/27/1987US4639856 Dual stream processor apparatus
01/27/1987CA1217281A1 Fault-tolerant communications controller system
01/20/1987US4638482 Random logic error detecting system for differential logic networks
01/20/1987US4638481 Method and apparatus for generating sequence of multibit words
01/20/1987US4638427 Performance evaluation for an asymmetric multiprocessor system
01/20/1987US4638426 Virtual memory address translation mechanism with controlled data persistence
01/20/1987US4638247 Integrated circuit for converting a drive signal of three or more voltage levels to two voltage levels
01/20/1987US4638183 Dynamically selectable polarity latch
01/20/1987CA1216956A2 Address shuffler
01/20/1987CA1216950A1 Diagnostic system for a digital computer
01/20/1987CA1216949A1 Data processing system including a main processor and a co-processor and co-processor error handling logic
01/20/1987CA1216947A1 Encoding method for error correction
01/20/1987CA1216916A1 Fault tolerant controller
01/15/1987WO1987000317A1 Contention switcher
01/15/1987WO1987000316A2 Fault tolerant data processing system
01/15/1987WO1987000315A1 Ic chip error detecting and correcting with automatic self-checking
01/15/1987DE3516900A1 Circuit arrangement for reliably resetting and starting a microprocessor
01/14/1987EP0208552A2 Acousto-optic system for testing high speed circuits
01/14/1987EP0208393A1 Testing digital integrated circuits
01/14/1987EP0208164A2 Device for the fault-tolerant inputting/outputting of data
01/13/1987US4637024 Redundant page identification for a catalogued memory
01/13/1987US4637019 Diagnostic method for addressing arrangement verification
01/13/1987US4637012 Flexible duplex dual port serial link controller
01/13/1987US4637011 Fault tolerant dual port serial link controller
01/13/1987US4636967 Monitor circuit
01/13/1987US4636945 Microprocessor
01/13/1987US4636941 Method and apparatus for analysis of microprocessor operation
01/13/1987US4636940 Logic analyzer using source program or other user defined symbols in the trace specification and the trace listing
01/10/1987CN85101066A Method of error detection and correction by reconstruction of majority
01/07/1987EP0207611A2 Digital automatic flight control system with disparate function monitoring
01/07/1987EP0207243A2 Error correction mechanism
01/06/1987US4635258 System for detecting a program execution fault
01/06/1987US4635257 Fail safe circuit for multi-signal transmission system
01/06/1987US4635223 Fail safe protection circuitry for a commerical microprocessor in encryption equipment
01/06/1987US4635218 Method for simulating system operation of static and dynamic circuit devices
01/06/1987US4635193 Data processor having selective breakpoint capability with minimal overhead
01/06/1987US4635184 Distributed control with mutual spare switch over capability
01/06/1987US4634110 Fault detection and redundancy management system
01/06/1987CA1216363A1 Ram based multiple breakpoint logic
01/02/1987DE3522220A1 Arrangement for output of control signals to control elements of a process
12/1986
12/30/1986US4633473 Fault tolerant communications interface
12/30/1986US4633472 Multiprocessor computer system comprising n parallel operating computer modules, and computer module for use in such a multiprocessor computer system
12/30/1986US4633469 Method of indicating diagnostic results
12/30/1986US4633467 Computer system fault recovery based on historical analysis
12/30/1986US4633466 Self testing data processing system with processor independent test program
12/30/1986US4633431 Arrangement for coupling digital processing units
12/30/1986US4633228 Keyboard switch assembly
12/30/1986US4633039 Master-slave microprocessor control circuit
12/30/1986EP0206468A1 The testing of digital integrated circuits
12/30/1986EP0206092A2 Method of checking the execution of a symbol string
12/30/1986CA1216070A1 Enhanced alu test hardware
12/23/1986US4631725 Error correcting and detecting system
12/23/1986US4631701 In a data processing system
12/23/1986US4631699 Firmware simulation of diskette data via a video signal
12/23/1986US4631661 Fail-safe data processing system
12/18/1986WO1986007477A1 Skew insensitive fault detect and signal routing device
12/17/1986EP0205274A2 Automatic flight control systems
12/17/1986EP0205258A2 Semiconductor integrated circuit having a function for switching the operational modes of an internal circuit
12/17/1986EP0205163A2 Watchdog timer circuit suited for use in microcomputer
12/17/1986EP0205122A2 Event counting prescaler
12/17/1986EP0205101A2 Method of operating a data processing system
12/17/1986EP0204697A1 Amenable logic gate and method of testing.
12/17/1986EP0201181A1 Probe assembly for use with electronic instrument
12/16/1986US4630272 Encoding method for error correction
12/16/1986US4630269 Methods for diagnosing malfunctions in a disk drive
12/16/1986US4630197 Anti-mutilation circuit for protecting dynamic memory
12/16/1986US4629907 Device for monitoring the function of electronic equipment, in particular microprocessors
12/16/1986CA1215468A1 Method and apparatus for modeling of systems of complex circuits
12/10/1986EP0204612A1 Method for transmitting data with a possibility for packet error correction, and coding and decoding apparatus for carrying out said method
12/10/1986EP0204507A2 System configuration tracing method and apparatus
12/10/1986EP0204449A2 Method for multiprocessor communications
12/10/1986EP0204130A2 Apparatus for reducing test data storage requirements for high speed VLSI circuit testing
12/10/1986EP0077154B1 Digital data processor with high reliability and method
12/10/1986EP0076098B1 Key storage error processing system
12/09/1986US4628512 Address distribution in data storage apparatus
12/09/1986US4628511 Apparatus for analysis of computer channel failures
12/09/1986US4628509 Testing apparatus for redundant memory
12/09/1986US4628508 Computer of processor control systems
12/09/1986US4628253 Clock signal test circuit
12/03/1986EP0203773A2 Apparatus for decoding error correcting code
12/03/1986EP0203763A2 Cathode-ray tube arc-over protection for digital data in television display apparatus
12/03/1986EP0203601A2 Cache system adopting an LRU system, and magnetic disk controller incorporating it
12/03/1986EP0203535A2 Method for fault simulation in a logic circuit and circuit arrangement for carrying it out
12/03/1986EP0203148A1 Watchdog timer
12/02/1986US4627060 Watchdog timer
12/02/1986US4627059 Circuit arrangement for telecommunications systems, particularly telephone switching systems, having data protection by way of parity bits