Matches 1 - 47 out of 47
Match Document Document Title
7287183 Electronic control unit  
First and second control circuit sections that mutually communicate via a series-parallel converter comprise first and second adder-subtracter respectively. When any receiving error occurs in each...
6867708 Communications system and method for interconnected networks having a linear topology, especially railways  
A system and method for communicating over networks, particularly generally-linear networks such as a netowrk of railcars in a railway train. The disclosed system and method include the relaying of...
6400281 Communications system and method for interconnected networks having a linear topology, especially railways  
A system and method for communicating over networks, particularly generally-linear networks such as a netowrk of railcars in a railway train. The disclosed system and method include the relaying of...
6314088 Node configuration setup system with servers hunting through connection-oriented network for client's data  
A node configuration setup system comprises a configuration client node connected to a connection-oriented network, and a number of configuration server nodes interconnected via the network. A...
EP0849681B1 Apparatus for processing a sequence of control commands comprising unknown control commands  
Abstract of EP0849681 An apparatus for processing a sequence of control commands for a unit (40) to be controlled is proposed. In this case, the apparatus has first decoding means (22) which are...
6079033 Self-monitoring distributed hardware systems  
Each member system of a distributed collection of self-monitoring hardware systems includes receiving logic operative to receive a wellness token from a first other hardware system of the...
EP0849681A1 Apparatus for processing a sequence of control commands comprising unknown control commands  
An apparatus for processing a sequence of control commands for a unit (40) to be controlled is proposed. In this case, the apparatus has first decoding means (22) which are designed to decode a...
5696983 Decentralized system connected by individual buses and bus connection method  
The disclosed system comprises a plurality of controlling and calculating devices, each controlling and calculating device has a single common bus that is common to all the controlling and...
5664177 Data processing system having a data structure with a single, simple primitive  
A data structure in a computer memory is constructed from a single primitive data element or attribute. Attributes of the data structure are arranged in accordance with certain rules which impose a...
5617538 Message transfer system and method for parallel computer with message transfers being scheduled by skew and roll functions to avoid bottlenecks  
A computer system comprises a plurality of processing elements interconnected by a communications network. The communications network has a series of network addresses each identifying a location...
5535326 System and method for logical console verification and feedback  
A system and method for logical console verification and fallback. Conformity of physical equipment configurations with the logical console control and fallback plan is verified by sending messages...
5515517 Data processing device with test circuit  
A data processing device with a test circuit has a plurality of macro blocks, a common bus for transferring the output of one of the macro blocks to the other macro blocks, and a tri-state buffer...
EP0444088B1 DATA FLOW MULTIPROCESSOR SYSTEM  
5430843 Data transmission system and method for transmitting data having real-time and non-real-time characteristics  
A system for transmitting data between a plurality of linked stations within a cycle period defined by successive transmissions of a header signal indicating the start of a data transmission, only...
5392442 Data-driven processor having an output unit for providing only operand data in a predetermined order  
A data-driven processor which has a packet assembling unit to add a tag information to the sequentially inputted data when the input data has no tag information, such as destination address or the...
5303243 Network management system capable of easily switching from an active to a backup manager  
In a network system comprising first through N-th agents, each of which performs a management operation on a management object (N representing a predetermined natural number which is not less than...
5243335 Local area network system  
A local area network system in which a logical ring is formed by at least part of said node stations to pass a token frame from one station to another in an endless and cyclic fashion allowing each...
5206863 Processor-to-processor communications protocol for a public service trunking system  
A downlink between a communications dispatch console and a digitally trunked radio repeater system site controller efficiently transfers message data between the site controller and the console...
EP0335877B1 METHOD FOR TRANSMITTING DATA IN PACKET SWITCHING NETWORKS  
Abstract not available for EP0335877 Abstract of corresponding document: US4907224 A method for transmitting data in packet switching networks provides a Collision-Eliminating Multiple Access...
5175817 Data representation protocol for communications between different networks  
A data representation and protocol are provided to interface two networks. A plurality of information units to be transmitted from one network to another are formatted into a variable size block in...
5163137 Copying system with a dual trunk serial communication system using an acknowledge line  
An interface system for a copying system, wherein a frame of transmission data employing a serial communication between a copying machine main body and peripheral devices thereof comprises an...
5138611 Blocking message transmission or signaling error in response to message addresses in a computer interconnect coupler for clusters of data processing devices  
A computer interconnect coupler has channel transmitters and channel receivers and logic circuitry for the routing of messages from the channel receivers which are addressed to the channel...
5128930 Processor-to-processor communications protocol for a public service trunking system  
A downlink between a communications dispatch console and a digitally trunked radio repeater system site controller efficiently transfers message data between the site controller and the console...
5124943 Digital network utilizing telephone lines  
An improved computer network which utilizes the communication lines of a telephone system to provide connections between computing equipment in geographically mode area is described. The network...
5113495 Intercommunicating among a plurality of processors based upon the identification of the source without using the identification of the destination  
In an intercommunication network for use in transmitting a transmission request from a first processor to a second processor, the first processor sends a first processor number preassigned thereto...
5084871 Flow control of messages in a local area network  
A computer interconnect coupler has channel transmitters and logic and channel receivers and logic circuitry for the routing of messages from the channel receivers which are addressed to the...
4991174 Fault diagnostic distributed processing method and system  
In a distributed processing system having a plurality of interconnected subsystems of equal level, each subsystem operates to diagnose faults in other subsystems and protects its own subsystem...
4949337 Token passing communication network including a node which maintains and transmits a list specifying the order in which the token is passed  
A communication network has one master node which maintains an active master list (AML) containing the node addresses of all nodes to which the token will be passed. When nodes are added or deleted...
4916692 TDM bus controller  
An apparatus for controlling access to a time division multiplexed (TDM) bus includes a frame address register having a plurality of storage registers for storing a plurality of frame addresses...
4907224 Method for transmitting data in multiple access data communications networks  
A method for transmitting data in packet switching networks provides a Collision-Eliminating Multiple Access protocol in which nodes desiring to transmit over the network channel transmit...
4899274 Dynamic terminal address allocation by the terminal itself in a data processing system  
A system has a central processor and multiple addressable terminals connected by a communication cable. The terminal itself contains a list of candidate addresses it can use. The terminal...
4887269 Apparatus for the reception of radio broadcasted digital signals  
Digital characters are broadcast by grouping the characters into a series of blocks, and providing each block with a synchronization character and an identifying prefix to form a digital package....
4885749 Data transmission with improved message format  
In a voiceband data multipoint network, each tributary modem transmits, in a trailer which follows the user data, a tributary modem identification, a sequence number which advances for each...
4882729 Paging controller having a multiplex bus arrangement  
A paging controller for a paging communication system exchanges information by a global multiplexed bus arrangement. The bus arrangement permits voice, data and control information to be exchanged...
4864497 Method of integrating software application programs using an attributive data model database  
A common data structure for access by several application programs is created from a single primitive data element or attribute data object. The attribute data objects can be extracted from node...
4835731 Processor-to-processor communications protocol for a public service trunking system  
A downlink between a communications dispatch console and a digitally trunked radio repeater system site controller efficiently transfers message data between the site controller and the console...
4817087 Multiple access communication system  
A multiple access communication system with a multi-channel construction and applicable to a local area network (LAN). In a broadband LAN, channel assignment is agreed upon by two nodes which are...
4803685 Method and device for the transmission of digital data by messages organized in frames  
A method for effectuating the transmission and reception of digital data on frames on duplex links between transmitter and receiver stations. Data and command messages comprised of frames are...
4785449 Network system for data transmission among plural communications stations connected to a communication medium  
There is disclosed a data transmission network system for data transmission among plural stations by token passing method. A station which has acquired the right of communication for the first time...
4745595 Distributed electronic mailbox system  
The disclosure describes an electronic mailbox system in which a plurality of like data terminals are provided coupled to a common message carrying facility such as a telephone line wherein any...
4697268 Data processing apparatus with message acceptance monitoring  
Data processing apparatus includes a number of units connected by a bus over which each unit can send public write messages to all the other units in parallel. The units are connected in a loop by...
4680753 System and method for controlling network bus communications for input-output interlocking information among distributed programmable controllers  
A control system for controlling an industrial process includes a network of a plurality of distributed programmable controllers or nodes coupled serially to a communications bus on either a single...
4660201 Failure notice system in a data transmission system  
A failure notification system for a system including a plurality of processors connected by a common path through individual node stations. The failure of a data processor is detected by the...
4649535 Method and apparatus for maintaining a dynamic logical ring in a token passing LAN  
Method and apparatus is disclosed for maintaining a dynamic logical ring in a token passing local area network such that each bus interface unit coupled to the network can freely and unilaterally...
4630259 Lockup detection and recovery in a packet switching network  
A self-routing packet switching network in which packets are communicated through stages of the network in response to self-contained addresses and in which a packet is discarded if a packet cannot...
4622550 Data communication system  
In a ring network (1) messages sent from any one of a group of stations (3) to all the remainder include an acknowledgement field (ACK) holding a count preset to equal the number of expected...
4584684 Data transmission method  
A data transmission method in which a signal receiving side produces a response code for requesting a text in response to a start request made by a signal transmitting side, and produces an...
Matches 1 - 47 out of 47