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6496884 |
Microcomputer system with color coded components
A microcomputer system facilitates the connection of peripheral devices to a computer unit with a plurality of external ports for connecting to external peripheral devices. In one embodiment of the...
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6496885 |
Method for processing network messages
A network includes a plurality of electronic control units (ECU) connected with each other and receiving messages via a bus, each message having an identifier portion and a data portion. An ECU...
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6496886 |
Directional coupling bus system using printed board
In a printed board mounting method using a directional coupling bus for a high-speed data transfer, multi-bit data are transferred between nodes at a low cost. For this purpose, to transfer...
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6493774 |
Data processing system and microcomputer
An input/output device used as a transfer request source outputs a data transfer set command for specifying each transfer channel, each transfer address, the number of transfers, etc. onto a bus...
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6487617 |
Source-destination re-timed cooperative communication bus
A source module, a destination module, or both modules, that are used in a data transfer, signal over an internal communication bus to a bus master when the addressed storage location in the data...
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6484218 |
Method for improving direct memory access performance
A serial bus controller having improved bus performance when a physical read request or a physical write request is present. A link and physical layer logic unit is provided, coupled to a serial...
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6484267 |
Clock gated bus keeper
The present invention comprises a clocked bus keeper circuit that does not drive the bus during the first half of a clock cycle and then holds the value driven onto the bus during the first half of...
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6480907 |
Apparatus and method for testing the wait signal line of a communication interface socket
The present invention relates to an apparatus and method for testing the WAIT signal line of a communication interface socket to detect whether the WAIT signal line of the socket, such as a PCMCIA...
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6480922 |
Computer software control and communication system and method
The present invention is a computer system and method for facilitating communication between a primary software program on a computer and at least one secondary software program loaded on a...
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6480897 |
Optimistic transmission flow control including receiver data discards upon inadequate buffering condition
A program product for a message processing system in which messages are transmitted from source nodes to destination nodes. A transmission flow control technique is disclosed in which the source...
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6477177 |
Multiple device access to serial data stream
One aspect of the present invention provides a packer-unpacker (PUP) for a digital serial interface which allows a plurality of processors to access time slot registers of a serial data stream...
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6477593 |
Stacked I/O bridge circuit assemblies having flexibly configurable connections
An I/O bridge system comprises a motherboard including first and second busses, e.g., first and second PCI busses. A I/O bridge circuit is connected between the first and second busses and...
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6477609 |
Bridge state-machine progression for data transfers requested by a host bus and responded to by an external bus
An expansion module for a Handspring Visor (which conforms to the Springboard bus specification) includes a multi-master AMBA Advanced System Bus (ASB). Optionally, an Arm7 processor is attached to...
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6466434 |
Disk assembly incorporating therein usb connector and computer case having therein same
A disk assembly includes an assembly housing having a front end for inserting/retrieving therethrough a disk storing thereon computer-accessible data. The front panel is mounted at the front end...
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6463495 |
Command and control infrastructure for a computer system using the computer's power rail
A method and system of intrachassis computer component command and control. The existing power rail is used as network connectivity. Further, the CEBus standard (or a CEBus standard modified for...
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6463338 |
Industrial controller and network card with buffer negotiation
An interface for a network communication card for industrial controllers uses a dual-port memory that may be re-partitioned by values communicated through the dual-port memory itself. A default...
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6463497 |
Communication method for integrated circuit chips on a multi-chip module
A signal is transmitted from a sending chip to a first receiving chip in a communications ring via a first i/o set of the sending chip. A signal from the sending chip to a second receiving chip in...
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6457928 |
Inter-row transfer unit for moving tape cartridges between rows of library systems
An easily installed inter-row transfer unit is disclosed employing a movable cartridge bin assembly suspended via linkage from a pair of bearing blocks, wherein the resulting bin assembly carriage...
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6457077 |
System for executing a current information transfer request even when current information transfer request exceeds current available capacity of a transit buffer
A method and implementing system is provided in which system bridge circuits are enabled to execute, or over-commit to, transaction requests from system devices for information transfers which...
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6457071 |
System and method for determining connection accuracy at an interface
The present invention relates to a mechanism for detecting the correct or incorrect attachment of cabling between a host computer and a peripheral device and more generally between any two...
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6453374 |
Data bus
A bus system including a bus user apparatus and a method for communicating via the bus system are disclosed. The bus user apparatus includes means for means for selectively coupling a transmitter...
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6449670 |
Microcomputer with bit packets for interrupts, control and memory access
A computer system includes on-chip a CPU with an addressable module and a memory interface, the module having packet generating circuitry for event request or control packets, the CPU being...
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6446173 |
Memory controller in a multi-port bridge for a local area network
A memory controller in a multi-port bridge for a local area network. The multi-port bridge includes a switch engine, a memory and a plurality of ports, all of which are interconnected by a high...
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6446147 |
Wired-or connection in differential transmission environment
A method and circuit for performing a wired-or function in a differential transmission environment are disclosed. The wired-or function is realized by enabling the differential driver portion of...
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6446146 |
Line terminating device
To reduce a scale of the circuit, a number of the external terminals, processing steps in developing a firmware, and a scale of the firmware, a line terminator provided in a device for terminating...
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6442628 |
Method and system for automatically determining maximum data throughput over a bus
A method and system are provided for determining maximum data throughput between a host adapter and one or more target devices coupled to the host adapter through a bus. A first set of device...
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6442514 |
Method and system for simulating a communications bus
A method and system for simulation of a communications bus. A simulation arrangement is configured with a behavioral agent and an application agent coupled to the bus. Bus commands are selectively...
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6442178 |
System and method for data alignment in a communication system
A parallel-to-serial-to-parallel circuit are disclosed, the circuit interfacing with a data bus, preferably with a processor for byte alignment and other operations. The...
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6442629 |
Bus protocol and token manager for execution of global operations utilizing a single token with multiple operations with explicit release
Serialization of global operations within a multiprocessor system is achieved utilizing a single token, requiring a bus master to acquire the token for completion of one or more global operations...
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6442630 |
Electronic device that controls the vailidity of information based on a selected function unit
An electronic equipment for communications with other nodes via a serial bus interface. The electronic equipment has a plurality of functions, and stores a plurality piece of information...
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6438632 |
Electronic bulletin board system
A message desired to be posted on an electronic bulletin board sent from a user's computer is checked with a posting-prohibited word list and a heed-required word list. In the posting-prohibited...
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6438624 |
Configurable I/O expander addressing for I/O drawers in a multi-drawer rack server system
A method of configuring a data communications system, by changing a default communications address of a logic component to a first assigned address, and connecting the logic component to a...
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6434647 |
Reflected-wave bus termination
A PCI reflected-wave communications bus has a plurality of individual signal lines. Each signal line is terminated with a resistive-capacitive filter to partially dampen voltage wave reflections.
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6434646 |
Signal distribution system and method based on bus arrangement
A signal distribution system includes a plurality of functional blocks, at least one bus signal distribution block, at least one bus, and a bus control circuit. The functional blocks are divided...
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6434656 |
Method for routing I/O data in a multiprocessor system having a non-uniform memory access architecture
In a multiprocessor system, a method for dynamically establishing an I/O path between a processor node and an I/O device for routing data there between. The method starts with providing a...
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6430632 |
Data management small computer system interface (SCSI) extender for extending SCSI communications between SCSI interfaces located relatively far apart
An improved system and method for extending interface communications for a SCSI. The system and method provides SCSI extenders that are able to extend SCSI communications over relatively long...
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6430634 |
Bus controller and bus control system
There is disclosed a bus control device which reduces the data traffic amount of a parallel bus to enhance the performance of the bus control device. A local CPU ( 111 ) controls a serial bus...
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6430633 |
Method and apparatus for automatic activation of bus termination on a fast ethernet repeater stack
An automatically activated bus termination circuit in a repeater that is suitable for inclusion in a repeater stack including an end unit determination circuit is described. The end unit...
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6430511 |
Molecular computer
A molecular computer is formed by establishing arrays of spaced-apart input and output pins on opposing sides of a containment, injecting moleware in solution into the containment and then allowing...
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6425026 |
Distribution, processing, and reconstruction of variable-sized images using multiple processor arrays
Selectively distributing a plurality of data items to a plurality of hardware destinations that share a common bus involves, for each one of the data items, determining which of the hardware...
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6425025 |
System and method for connecting electronic circuitry in a computer system
A bus includes at least a pair of terminators interposed between a pair of connectors. A first one of the terminators is located within a predetermined distance from a first one of the connectors....
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6425018 |
Portable music player
A portable music player computational device having a digital signal processor, for processing information, and a microcontroller connected to the digital signal processor by an electronic bus, one...
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6418491 |
Apparatus and method for controlling timing of transfer requests within a data processing apparatus
The present invention provides a data processing apparatus and method for controlling timing of transfer requests. The data processing apparatus comprises a bus for interconnecting a number of...
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6415342 |
Universal serial bus controlled connect and disconnect
A device for connection to a Universal Serial Bus (USB) signals connection and disconnection from the bus without physically removing or reinserting the USB cable. The devices system controller...
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6408345 |
Superscalar memory transfer controller in multilevel memory organization
This invention is a data processing system including a central processing unit executing program instructions to manipulate data, at least one level one cache, a level two unified cache, a directly...
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6404771 |
Clock lead/lag extraction in an isochronous data bus
An isochronous bus may includes a data signal, a data valid signal, a frame synch signal and a clock signal. The bandwidth of the data signal is partitioned into a plurality of frames. The frame...
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6405235 |
Data receiving device capable of executing simultaneous reception operation
In a system operable in response to a data stream sent to a first receiving device in one-to-one communication via a system bus, the data stream is also simultaneously delivered to a second...
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6393503 |
Efficient transfer of data and events between processes and between processes and drivers in a parallel, fault tolerant message based operating system
A parallel, fault-tolerant computer system in which data is transferred between processes in a single CPU by two methods. In a first method, the data is copied each time it is transferred. In a...
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6389499 |
Integrated computer module
The invention is an integrated computer module (ICM) for connection to a host connector means in a host assembly that has a DC voltage supply and that is connected to or contains a display. The ICM...
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6385676 |
Coherent ordering queue for computer system
The coherent ordering queue in a processing agent chip in a multi-node processor system is designed so as to permit maximum flexibility with the various write operations of different processors,...
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