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7269674 |
Disk array apparatus
A disk array apparatus using an SAS can transfer data without lowering a transfer efficiency of data even if rates of a plurality of physical links connected to a controller and storage device are...
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7251701 |
Disk array apparatus
A disk array apparatus using an SAS can transfer data without lowering a transfer efficiency of data even if rates of a plurality of physical links connected to a controller and storage device are...
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RE39103 |
Timing reference for scheduling data traffic on multiple ports
Data traffic such as cell streams in an ATM communication network frequently contain data destined for multiple output ports having different transmission data rates. In order to accurately...
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EP0678989B1 |
Method and arrangement for the timing of digital signal transmission in a TDMA PON system
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6735723 |
Apparatus and method for processing interleaving/deinterleaving with address generator and channel encoding system using the same
An interleaving/deinterleaving processing method, a channel encoding system using it and a computer readable recording media for realizing it is provided. The interleaver includes: an interleaving...
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6260152 |
Method and apparatus for synchronizing data transfers in a logic circuit having plural clock domains
A synchronization circuit (30) includes three flip-flops responsive to a common clock signal (CLK2). The input to the first flip-flop (32) represents the least significant bit (LSB) of a counter...
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6108726 |
Reducing the pin count within a switching element through the use of a multiplexer
The present invention comprises a system and method for reducing the pin count between a plurality of MAC and PHY devices within a switching element. In this embodiment, the switching element...
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5818839 |
Timing reference for scheduling data traffic on multiple ports
Data traffic such as cell streams in an ATM communication network frequently contain data destined for multiple output ports having different transmission data rates. In order to accurately...
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5535251 |
System for synchronizing real time clock by transmitted real time information
A real time clock synchronizing system, provided in each of a plurality of network elements in a synchronous transmission network, comprises: a generating unit for generating, based on a reference...
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EP0678989A2 |
Method and arrangement for the timing of digital signal transmission in a TDMA PON system.
A method and an arrangement for the timing of digital signal transmission in a TDMA PON system including a line termination (OLT) to which a plurality of network units (ONU) are connected is...
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EP0407629B1 |
Communication device for data transmission over optical fibres
Abstract of EP0407629 The communication device contains a distributing device with demultiplexers (DX1 to DX3) and multiplexers (MX1 to MX3) for distributing a data signal (DS1) with a high data...
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5282210 |
Time-division-multiplexed data transmission system
A time-division multiplex system is disclosed where the data from two sources is coupled over a multiplexer controller by a generator comprising an XOR gate and a pair of latches where the output...
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5101292 |
Connector apparatus for transmitting one or more data signals via light waveguides
A connector link contains a distributor having demultiplexers and multiplexers for the division of a data signal having a high data rate or the division of up to n data signals having lower data...
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5081702 |
Method and apparatus for processing more than one high speed signal through a single high speed input terminal of a microcontroller
A method and apparatus for processing two high speed signals through a single high speed input terminal of a microprocessor uses a multiplexing circuit connected between the signal conditioners...
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EP0278949B1 |
ADAPTIVE RATE MULTIPLEXER-DEMULTIPLEXER
Abstract not available for EP0278949 Abstract of corresponding document: US4658152 A plurality of various rate digital subchannels are multiplexed onto a fixed rate channel by arranging the data...
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EP0407629A1 |
Communication device for data transmission over optical fibres.
The communication device contains a distributing device with demultiplexers (DX1 to DX3) and multiplexers (MX1 to MX3) for distributing a data signal (DS1) with a high data rate or for distributing...
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4935920 |
Drop/insert processing circuit
Disclosed is a drop/insert processing circuit connected to, for example, a broadband subscriber network including a high speed data loop. The circuit is formed in one body comprising a single shift...
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4764939 |
Cable system for digital information
A cable system for supplying information contained in a plurality of parallel signals on a first set of plug contacts of a first plug at a modem, to a second set of plug contacts of a second plug...
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4734696 |
System and method for transmitting information
Parallel signals which are to be converted to serial form by successive time-multiplex sampling are divided into two sets, a low-priority set which change relatively infrequently and hence require...
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4716561 |
Digital transmission including add/drop module
In a transmission system, adding and/or dropping any one or more of a plurality of digital signals of one or more digital transmission bit rates is facilitated by employing a unique transmission...
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4646324 |
Digital information transfer system (DITS) transmitter
A digital transmitter (13) for transmitting serial words of predetermined length at selected speeds for output at a plurality of parallel channels (120, 120'). The words selected for series...
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4578797 |
Asynchronous connecting device
For coupling a digital signal between two asynchronous transmission paths, an asynchronous connecting device includes a serial-to-parallel converter for converting the digital signal into parallel...
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EP0124674A1 |
Method of synchronizing the transmitter of a digital communication system, and device for carrying out said method.
1. A synchronization method for adapting data transmissions between a plurality of low-speed data terminals (DTEs 13, 18) and one high-speed transmission channel (32), characterized in that it...
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4468767 |
Drop-and-insert multiplex digital communications system
Apparatus for dropping and inserting digital data in a time division multiplexed, serial data stream. A communications link is divided into two spans with an electrical switch connecting the two...
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4215245 |
Variable rate synchronous digital transmission system
A synchronous digital transmission system (12), operating over a prescribed range of bit rates, is interfaced with subscribers (10, 11) whose data sources and receivers have different bit rates by...
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4063041 |
Method of transmitting digital data of a PCM/TDM telecommunication network
The invention relates to a method of transmitting digital data between a digitally operating subscriber station and the subscriber concentrator of a PCM/TDM telecommunication network via a two-wire...
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4009347 |
Modular branch exchange and nodal access units for multiple access systems
Modular digital exchanges linked by earth satellite provide coordinated time division switching and time compressed communication services relative to externally attached telephone and data (user)...
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4009346 |
Distributional activity compression
Modular digital exchange terminals linked in a network by earth satellite provide coordinated multiplex switching and activity compression between line circuits and satellite time division...
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4009345 |
External management of satellite linked exchange network
Digital exchange terminals are linked by earth satellite and terrestrial point-to-point time division trunks in a privately coordinatable time division switching and communication network serving...
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4009344 |
Inter-related switching, activity compression and demand assignment
Digital exchange terminals are linked by earth satellite in a privately coordinatable time division switching and communication network system serving multiple voice telephone and data...
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4009343 |
Switching and activity compression between telephone lines and digital communication channels
Digital exchange stations linked by earth satellite operate in a coordinately controllable time division switching and communication network system relative to externally attached telephone and...
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3999165 |
Interrupt information interface system
Interrupt signals are set into interrupt level memory registers each of which is provided for each interrupt level, and an interrupt receiving register having a number of bits equal to the number...
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3975593 |
Time division multiplex system and method for the transmission of binary data
A method and system for transmitting data in time division multiplex form is described. The data are composed of start-stop signals with a fixed transmission speed and a fixed signal frame, and of...
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3879582 |
Data loop communication system
A loop digital data communications system in which a plurality of data processing units are connected in series with each other in the loop. Each data processor has a terminal device associated...
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3855617 |
UNIVERSAL DIGITAL DATA SYSTEM
A system providing real-time acquisition of digital and analog data for transmission in a serial digital form to a remote data processor, for real-time playback, or for recording on an inexpensive...
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3790715 |
DIGITAL TRANSMISSION TERMINAL FOR VOICE AND LOW SPEED DATA
Apparatus for multiplexing a plurality of speech and low speed data signals on a single data multiplex channel. In order to accommodate the low speed data signals, a time slot of the recurring time...
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3755789 |
EXPANDABLE COMPUTER PROCESSOR AND COMMUNICATION SYSTEM
A communications and computation system wherein the processors communicate with each other and with other devices via a loop of continuously circulating data. The loop of data is comprised of...
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