Matches 101 - 150 out of 256 < 1 2 3 4 5 6 >
Match Document Document Title
6928567 Information processing system in which power supply information of a recording/reproducing unit controls operations of a host computer  
Battery information is transmitted from a recording and playback apparatus to a host computer. In the host computer, based on the time for which operation can be continued, corresponding to the...
6925581 Method and device for monitoring and disconnecting control units in a network and a network  
A method for monitoring control units in a network is described, each control unit including a security function for detecting errors, a monitoring routine being assigned to each error and a...
6904541 Methods and apparatus for providing power to electronic circuitry  
An electronic system has critical circuitry, non-critical circuitry having a first section and a second section, and a power sub-system. The power sub-system has a first power assembly, a second...
6865690 Voltage conditioner with embedded battery backup  
A power module for a CNI avionics system includes a rechargeable back-up battery ( 17 ) and a battery charger ( 9 ) in a back-up battery channel, a power conversion unit ( 11, 25, 27 and 29 ) in...
6832324 Method for providing a device communicating to a backplane the current status of an associated power supply unit connected to the backplane  
A power supply unit controller for a rack enclosure in which a plurality of devices communicate via a backplane is disclosed. The controller reads signal(s) indicative of output supply level(s)...
6829724 Method for monitoring the condition of a battery in a high temperature high current environment  
A method for battery condition testing. In one embodiment, the method is comprised of interrupting AC power service to a data storage system. The interruption causes an exhaustible power source to...
6829193 Power supply control circuit for use in semiconductor storage device  
A power supply control circuit for use in a semiconductor storage device is provided. The power supply control circuit comprises a first power supply circuit connected to all subarrays of the...
6826433 Failsafe data output system and automation system having the same  
An apparatus for and a method of operating an automation system. A processing unit subjects useful information which is received via a telegram to a user designated logic operation and drives an...
6823475 PC-CPU motherboards with common fault-tolerant power supply  
Processor modules ( 2 ) are supported side-by-side with one another to slide in and out of a cabinet ( 1 ) on tracks ( 6, 7 ), each module ( 2 ) including a PC-CPU motherboard ( 11 ) and a...
6816981 Disk array device including a memory with backup power supply and method thereof  
A disk array device maintains data reliability with few performance degradation problems. In a RAID 4 or RAID 5 disk array device, redundant data created during disk degeneration with a device...
6799224 High speed fault tolerant mass storage network information server  
The information server system incorporates a high speed, microcomputer based server running industry standard operating system software enhanced to include functionality directed to operation of a...
6795885 Electronic device backplane interconnect method and apparatus  
Apparatus for connecting a plurality of electronic devices with corresponding backplanes to improve reliability of accessing the devices are described. In one embodiment, the apparatus includes...
6754835 Method and system for providing power fault tolerance in a network of chained computer systems through bidirectional links  
A method and system for providing computer system for use in a network having a plurality of computer systems linked in a chain is disclosed. The method and system include providing a power supply,...
6735718 Protection switch to support redundant application of converter units  
A network switch and method of switching are provided, in which first and second signal converters convert electrical signals to optical signals and vice versa. The network switch monitors alarm...
6731738 Call tones in communication networks  
A communication hub for providing call tones in a communication network proximate the calling device. The communication hub comprises an interface coupled to a processor and a tone generator. The...
6731561 Semiconductor memory and method of testing semiconductor memory  
A semiconductor memory includes a group of memory cells arrayed in a matrix, memory cell electric power source lines configured to connect the respective memory cells arrayed in a direction of rows...
6728668 Method and apparatus for simulated error injection for processor deconfiguration design verification  
A method and apparatus for simulated error injection for processor deconfiguration design verification is provided. A simulated error condition request is received from a user through software,...
6691248 Method and apparatus for controlling supply of power, and storage medium  
An apparatus controls supply of power to an electronic device coupled thereto via one or a plurality of uninterrupted power supply units each receiving power from a corresponding external power...
6684339 System and method for transferring information from a first device to a second device when the first device goes under a reduced power mode  
For use in a system comprising a plurality of devices that are connected together in a network, there is disclosed a system and method of transferring information from a first device in the network...
6658597 Method and apparatus for automatic recovery of microprocessors/microcontrollers during electromagnetic compatibility (EMC) testing  
A combined hardware/firmware device and method for automatic recovery of an integrated circuit avoids a disruptive power-on reset after occurrence of an electrostatic discharge which may occur...
6646981 Transmission apparatus and communication network capable of detecting a period of time with a line affected due to a failure of a power supply  
A transmission apparatus comprises a power-supply unit, a first detection unit for detecting a power-supply recovery of the power-supply unit, a request unit which is used for transmitting a...
6643209 Apparatus for using volatile memory for long-term storage  
A structure including volatile memory devices that are used by the host computer system as the storage media. The volatile memory devices include volatile memory device back up systems to provide...
6633998 Multiple communications port unit and computer architecture  
A multiple communications port unit for coupling plural peripheral devices to a computer. The multiple communications port unit includes a network port for being coupled to a supervisory computer,...
6629045 System and method for detecting slave power supply failure  
A system and method for detecting a malfunction of a slave power supply and triggering an interlock signal in response to the detection of the malfunction. The method for activating an interlock...
6618821 Fault tolerant network server having multiple slideably-mounted processing elements sharing a redundant array of independent disks through SCSI isolators  
A fault tolerant network server is described. This server has a pair of processing units, each processing unit has at least one CPU, system memory, an interface for a RAID system, at least one disk...
6614708 Non-volatile memory device with built-in laser indicator  
A non-volatile memory device with a built-in laser indicator. The non-volatile memory device includes a connective port, a buffer, a non-volatile memory unit, a memory controller, a battery and a...
6598107 Method for communicating data on a serial bus  
The present invention relates to a method of communicating data between at least two units ( 1 ) on a serial bus ( 2 ) in a car, wherein the units 11 ) have independent clocks, the data being...
6591374 Method and apparatus for forcing system components to temporarily enter a standby mode of operation during switching events  
In a data processing system that includes redundant elements, a method for protecting system components from transients that arise on a system interconnect during switching events. The system...
6550017 System and method of monitoring a distributed fault tolerant computer system  
A system and method for monitoring a distributed fault tolerant computer system. A hardware counter mechanism (e.g. a countdown counter) is reset repeatedly by a software reset mechanism during...
6549977 Use of deferred write completion interrupts to increase the performance of disk operations  
A disk array controller reliably improves performance in RAID configurations without the need for a battery backup. Write completion interrupts are queued until a write cache flush has been...
6535996 Method and apparatus for protecting user data during power failures in a data processing system  
A method and system for protecting user data during power failures on a network-computer-class data processing system is provided. The network-computer-class data processing system is integrated...
6519720 Data transmission system  
A sub-net operation with increased availability and reduced power consumption is achieved in a bus system with a plurality of stations ( 10, 11, 12 ) which are coupled to one another via a system...
6493593 Electronic control unit  
An electronic control unit includes a first microprocessor monitoring the operation of a second microprocessor and has a monitoring operation blocking unit for preventing the second microprocessor...
6397322 Integrated intrinsically safe input-output module  
A method and system for performing a task in an intrinsically safe environment using an intrinsically safe, integrated module located on the safe side to convey signals to and from a field device...
6393584 Method and system for efficiently saving the operating state of a data processing system  
A method and system are disclosed for efficiently storing an operating state of a data processing system having a volatile memory within a nonvolatile mass storage device. In response to a selected...
6385707 Method and apparatus for backing up a disk drive upon a system failure  
A method and system for copying files between drives of a computer system is provided. The method begins where files are selected to be copied from a first drive of the computer system to a second...
6377859 Maintenance interface device for a use in a process control network  
A maintenance interface device for use in a digital, loop-powered process control network includes an interface to either a two-wire input/output port of a field device or to a two-wire...
6360331 Method and system for transparently failing over application configuration information in a server cluster  
A method and system for transparently failing over a legacy application from a first system to a second system of a server cluster by tracking and checkpointing changes to application configuration...
6347378 Techniques and circuits for high yield improvements in programmable devices using redundant logic  
A programmable logic device having redundant sets of logic blocks which are capable of being enabled or disabled. The programmable logic device includes a plurality of sets of logic blocks, a...
6345369 Environmental and power error handling extension and analysis for systems with redundant components  
Aspects for detecting environmental faults in redundant components of a computer system are described. In an exemplary method aspect, the method includes monitoring system environment conditions,...
6345309 Communication-terminal management system with storage-processing-system network and real-time-processing-system network and a communication terminal for these networks  
A communication management node checks a condition of a complex communication terminal apparatus when the complex communication terminal apparatus is connected with a real-time-processing-system...
6324535 Method and apparatus for producing sequenced queries  
A method and apparatus converts an original query into a sequenced query that takes into account a range of values of a variable defined by a start and end point in performing the query. The start...
6298449 Apparatus and method for high reliability PC platform telecommunications systems  
An integrated reliability enhancement device for providing high reliability operation of a personal computer is preferably embodied in an add-in card for insertion into a bus slot of the personal...
6295577 Disc storage system having a non-volatile cache to store write data in the event of a power failure  
A disc storage system having a host computer interface adapted to coupled to a host computer, a disc storage medium having a disc surface and a spindle motor coupled to the disc adapted to rotate...
6289467 Installation of processor and power supply modules in a multiprocessor system  
The present invention discloses a method and apparatus for checking an installation of a plurality of power supply modules in a multiprocessor system having a plurality of processor modules. A...
6278902 Robot control method and robot control system  
A DSP of a servo control circuit obtains a movement value of a servomotor for each axis for each position-speed feedback processing cycle in accordance with a move command value for each axis...
6275946 Internal UPS card for a computer  
An uninterrupted power supply (UPS) for a computer having a data storage element and an associated monitor, the computer operating on power supplied by an internal switch mode power supply (SMPS)...
6269434 Recording and reproducing apparatus including a nonvolatile memory which includes a first area for file management tables and a second area for data and a control unit  
A recording and reproducing apparatus includes a nonvolatile memory which acts as a recording medium; and a control unit for executing recording and reproduction on the nonvolatile memory; wherein...
6263453 System and method for preventing damage to media files within a digital camera device  
A system and method for preventing damage to media files within a digital camera comprise a power manager for detecting power failures, an interrupt handler for responsively incrementing a counter...
6253329 Universal serial bus (USB) hub having a plurality of input power sources  
A universal serial bus (USB) hub having a plurality of input power sources receives power through an upstream cable or from a local power source unit, and uses it for internal power consumption in...
Matches 101 - 150 out of 256 < 1 2 3 4 5 6 >