Sign up
Matches 301 - 350 out of 437 < 1 2 3 4 5 6 7 8 9 >


Match Document Document Title
6101617 Computer failure recovery and alert system  
A computer system includes a timer which times out if the operating system does not periodically reset the timer. When the system fails and no longer resets the timer, the timer times out, and the...
6085319 Microcomputer reset apparatus and method  
A microcomputer reset apparatus including a counter for counting pulses of a pulse signal generated by a ring oscillator, and an edge detector driven by a clock signal of the microcomputer, for...
6061810 Computer system with error handling before reset  
A computer system includes error handling hardware and software that logs the source of application program or system software errors before a reset occurs. Upon a catastrophic error, a...
6061809 Process control interface system having triply redundant remote field units  
A process control interface system having a network of distributed triply redundant input/output field computer units. The system includes a plurality of self-contained remotely located triply...
6058447 Handshake circuit and operating method for self-resetting circuits  
In a circuit that generates a plurality of dynamic signals in a self-resetting signal path, none of which may occur in some cycles, a handshake circuit generates a signal indicative of whether none...
6049893 System and method for synchronously resetting a plurality of microprocessors  
A fault-tolerant computer architecture is described wherein the effect of hardware faults is diminished. The architecture employs a main data bus having a plurality of interface slots for...
6038684 System and method for diagnosing errors in a multiprocessor system  
A fault-tolerant computer architecture is described wherein the effect of hardware faults is diminished. The architecture employs a main data bus having a plurality of interface slots for...
6026499 Scheme for restarting processes at distributed checkpoints in client-server computer system  
A scheme for restarting processes at distributed checkpoints in a client-server computer system, in which a fault in one client computer does not affect the server computer and the other client...
6003140 Method and device for monitoring an electronic computing unit  
The invention concerns a method and an arrangement for monitoring a computing unit, such as is used, for example, in control devices. The monitoring device generates a reset signal if the supply...
5991896 Method and apparatus for protecting an electronic system from erroneous operation due to static electricity  
A technique for protecting an electronic system having a programmable input/output interface from erroneous operation due to static electricity includes the steps of: (a) setting an internal timer...
5983362 Non-interrupted operation control apparatus for a modulator-demodulator  
A non-interrupted operation control apparatus for a modem is provided for the purpose of preventing communications errors caused by the corruption of control parameter data stored within the modem,...
5964888 Circuit arrangement for executing a reset  
A circuit arrangement for executing a reset, in which controlled resetting of a functional computer and a safety module takes place. A reset stage is able to coerce both the functional computer and...
5884022 Method and apparatus for controlling server activation in a multi-threaded environment  
A method and apparatus for controlling server activation. In the prior art, there exists a race condition between the shutting down of an old server and the starting up of a new server. Further,...
5864663 Selectively enabled watchdog timer circuit  
A watchdog timer circuit includes a cyclic counter having an overflow signal that functions as a reset pulse to a microprocessor. The timer circuit includes a feature for selectively supplanting...
5864656 System for automatic fault detection and recovery in a computer system  
A system for automatic fault detection and recovery in a computer system includes: a system fault detector, a halt time duration counter, and program and hardware recovery signal generators. The...
5838896 Central processing unit for preventing program malfunction  
An improved CPU for preventing a program malfunction which is capable of preventing a malfunction of a program by resetting the CPU when an abnormal data is fetched from a memory due to a noise,...
5828822 Watchdog circuit for carbon monoxide monitors  
A microcontroller supervision circuit comprising an electronic control capable of causing a high-impedance on at least one external pin upon occurrence of a reset condition. A supervision circuit...
5826205 Reprogrammable controller containing multiple programs  
A controller has a microcomputer, an electrically erasable and programmable memory which has a control program (CONTROL), a read only memory and a serial interface. A serial data transmission line...
5805791 Method and system for detection of and graceful recovery from a peripheral device fault  
A system and method for detecting and gracefully recovering from a peripheral device fault has been disclosed. The method detects whether a peripheral device has suffered from a peripheral device...
5805790 Fault recovery method and apparatus  
In a fault recovery method for a multi-processor system including a main storage and a plurality of virtual machines which are assigned to a plurality of processors under control of a host...
5802485 Control device including an electrically programmable memory  
A control device has a microcomputer, a memory which has a control program and can be cleared and programmed electrically, a read-only memory and a serial interface. In the read-only memory, a...
5790419 Fail-safe system and method of operation  
A system is provided to automatically terminate a fail-safe state. When an abnormality detection signal of Lo and a pulse having a frequency outside a specified range are input to set and reset...
5784625 Method and apparatus for effecting a soft reset in a processor device without requiring a dedicated external pin  
A system and method for emulating the state of a soft reset within a processor device without requiring a dedicated soft reset external pin associated with said processor device. The novel system...
5774642 Architecture for dynamic service processor exchange providing multitasking environment where multiple processors have access to a system configuration table  
A computer system for dynamic service processor exchange comprising a first, active service processor connected by a network and a maintenance unit (CMU) to a central system (4) and to a second,...
5748948 Reset signal generator  
The present invention relates to a reset signal generator adapted to be used with a microprocessor for generating a reset signal to initialize the microprocessor, which includes an oscillator to...
5745391 Apparatus for and method of turning on and shutting off a computing device  
An apparatus for and method of turning a computer on and off. A switch accepts on and off commands from a user which are transmitted to latch circuitry which, in turn, controls relay control...
5737515 Method and mechanism for guaranteeing timeliness of programs  
In order to prevent data corruption and inconsistency caused by incorrect assumption regarding a presumably failed node and/or program, a fail-fast timer mechanism enforces deadlines, i.e. enforces...
5724599 Message passing and blast interrupt from processor  
The invention involves communication within a multiprocessor system. The multiprocessor system includes a command word bus and a plurality of data processors. Each data processor is connected to...
5701417 Method and apparatus for providing initial instructions through a communications interface in a multiple computer system  
A system for providing initial instructions to a first computer from a second computer through a communications interface connected between the two computers. A decoder causes the first computer to...
5699505 Method and system for automatically collecting diagnostic information from a computer system  
A method is provided for collecting information located within a plurality of hardware elements of a computer system. The hardware elements of the plurality of hardware elements are simultaneously...
5696897 Method and apparatus for a multi-layer system quiescent suspend and resume operation  
The state of a functioning computer operating system is quickly stored onto a nonvolatile storage device such that the computer system may be suspended quickly. To quickly save the state of...
5689430 Internal state determining apparatus  
An internal state determining apparatus according to the present invention includes at least one inner circuit, means for detecting a change in voltage supplied from an external device and...
5682314 Controller apparatus for vehicle  
A controller apparatus for a vehicle includes a computer for controlling devices mounted in the vehicle, and a detector means for detecting the state of the computer immediately before the computer...
5675727 Difference recording apparatus having a processing unit, recording unit, log update section, and log comparator using a classification key in a log of input data  
A difference recording apparatus includes a log comparator, a processing unit, a recording unit, and a log update section. The log comparator detects a log difference by using a classification key...
5673391 Hardware retry trap for millicoded processor  
Retry trap in the processor system detects the occurrence of a hardware retry during a millicode routine. In operation, millicode resets the retry trap to "O" at the start of a millicode sequence...
5657473 Method and apparatus for controlling access to and corruption of information in computer systems  
An apparatus and method restrict the corruption or destruction of data held on a storage medium forming part of a computer system by hostile programs such as "viruses"by employing a "Supervisor"...
5655083 Programmable rset system and method for computer network  
A network includes a plurality of computer systems interconnected by a plurality of communication links. At least one of the computer systems includes a resettable computer and a reset circuit. The...
5644702 Microcomputer, microcomputer containing apparatus, and IC card  
A microcomputer includes a CPU, a RAM for storing data, an oscillation circuit and a battery. The CPU has a first threshold for a power supply voltage for ensuring normal operation. The oscillation...
5636341 Fault processing method and information processing system  
When a fault occurs on a data communication processor that controls data communication between information processors, all information processors connected to the data communication processor are...
5627962 Circuit for reassigning the power-on processor in a multiprocessing system  
A hot spare boot circuit that automatically switches from a non-operational CPU to an operational CPU for powering up the computer system. In the multiprocessor computer system, a first CPU is...
5621887 Fault tolerant disk management system which tests failed disks during varied time intervals which are based upon the criticality associated with the failed disks  
A fault tolerant disk management system supports compound disks which are mirrored, so as to tolerate single point faults in any one physical disk of the compound disk. The system further minimizes...
5619643 Circuit for detecting a fault state in a clock signal for microprocessor electronic devices  
A circuit for generation of a reset signal in an electronic device, of the type comprising a microprocessor interlocked with a circuit generating a clock signal and memories of both the volatile...
5615370 Computer system with automatic degradation/initialization function  
A computer system is provided which is equipped with a plurality of CPUs and has an automatic degradation/initialization function, wherein even if fault occurs in any of the CPUs, the system can be...
5583987 Method and apparatus for initializing a multiprocessor system while resetting defective CPU's detected during operation thereof  
A symmetric multiprocessor system connecting a plurality of CPUs by a common bus initializes itself while defective CPUs are set aside to use only the remaining CPUs when the power is turned on,...
5564010 Reset signal generator, for generating resets of multiple duration  
A reset signal generator includes circuitry for detecting conditions indicating that a reset signal is necessary and generating a reset signal in response. Such conditions may include low power...
5559957 File system for a data storage device having a power fail recovery mechanism for write/replace operations  
The present invention provides a method and apparatus in a data storage device of a data storage system under the control of a microprocessor for preventing a microprocessor stall upon the...
5535367 Demultiplexing initialization data to be transferred to memory through a plurality of registers with error detection data  
Initialization data is received by a memory multiplexer (MEMMUX) and stored in a plurality of registers of the MEMMUX without reading data from memory. The storage of the initialization data in the...
5530946 Processor failure detection and recovery circuit in a dual processor computer system and method of operation thereof  
A dual processor computer system is disclosed that includes a processor failure detection and recovery circuit which initially designates one of the processing units as the lead-off master and the...
5528749 Automatic instrument turn off/on for error correction  
To accomplish automatic error correction in an electronics instrument, the instrument includes a controller, coupled to at least one peripheral unit via a communications bus for bidirectional...
5526267 Control method for a vehicle with main and sub computers  
In a control system for controlling the occurrence of an abnormality in one of the computers mounted on a motor vehicle, a decision is made based upon whether a sub CPU has been reset. In the case...
Matches 301 - 350 out of 437 < 1 2 3 4 5 6 7 8 9 >