BR8302280A - Sistema de comunicacoes - Google Patents

Sistema de comunicacoes

Info

Publication number
BR8302280A
BR8302280A BR8302280A BR8302280A BR8302280A BR 8302280 A BR8302280 A BR 8302280A BR 8302280 A BR8302280 A BR 8302280A BR 8302280 A BR8302280 A BR 8302280A BR 8302280 A BR8302280 A BR 8302280A
Authority
BR
Brazil
Prior art keywords
communications system
communications
Prior art date
Application number
BR8302280A
Other languages
English (en)
Inventor
Simon Korowtz
Francis E Mcmenamin
Original Assignee
Gen Signal Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Gen Signal Corp filed Critical Gen Signal Corp
Publication of BR8302280A publication Critical patent/BR8302280A/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/27—Arrangements for networking
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/14—Handling requests for interconnection or transfer
    • G06F13/36—Handling requests for interconnection or transfer for access to common bus or bus system
    • G06F13/362—Handling requests for interconnection or transfer for access to common bus or bus system with centralised access control
    • G06F13/364—Handling requests for interconnection or transfer for access to common bus or bus system with centralised access control using independent requests or grants, e.g. using separated request and grant lines
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/27—Arrangements for networking
    • H04B10/275—Ring-type networks
    • H04B10/2755—Ring-type networks with a headend
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/42—Loop networks
    • H04L12/427—Loop networks with decentralised control
    • H04L12/433—Loop networks with decentralised control with asynchronous transmission, e.g. token ring, register insertion
BR8302280A 1982-05-03 1983-05-03 Sistema de comunicacoes BR8302280A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/373,918 US4482980A (en) 1982-05-03 1982-05-03 Hybrid optical/electrical data highway

Publications (1)

Publication Number Publication Date
BR8302280A true BR8302280A (pt) 1984-01-03

Family

ID=23474432

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8302280A BR8302280A (pt) 1982-05-03 1983-05-03 Sistema de comunicacoes

Country Status (4)

Country Link
US (1) US4482980A (pt)
JP (1) JPS58204658A (pt)
BR (1) BR8302280A (pt)
CA (1) CA1201170A (pt)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0758967B2 (ja) * 1986-02-10 1995-06-21 株式会社トキメック 流体制御弁の通信制御システム
US5311592A (en) * 1986-06-11 1994-05-10 Mcdonnell Douglas Corporation Sagnac interferometer based secure communication system
US5422772A (en) * 1989-08-28 1995-06-06 Mcdonnell Douglas Corporation Secure fiber optic networks
US5274488A (en) * 1986-06-11 1993-12-28 Mcdonnell Douglas Corporation Secure communications system
US5223967A (en) * 1986-06-11 1993-06-29 Mcdonnell Douglas Corporation Secure communications system
CA1297157C (en) * 1987-07-13 1992-03-10 Geoffrey Nelson Bowling Closed loop, programmable power and communication system
JPH0221381A (ja) * 1988-07-11 1990-01-24 Canon Inc データ通信システム
US5423022A (en) * 1988-10-03 1995-06-06 General Signal Corporation Method for adapting a relational database management system so that it can address foreign information
US5191614A (en) * 1988-11-14 1993-03-02 Mcdonnell Douglas Corporation Secure communication system
US5041963A (en) * 1988-12-29 1991-08-20 Intel Corporation Local area network with an active star topology comprising ring controllers having ring monitor logic function
US5218465A (en) * 1991-09-03 1993-06-08 Motorola, Inc. Intelligent interconnects for broadband optical networking
EP0633532B1 (de) * 1993-07-09 1998-09-23 Siemens Aktiengesellschaft Anordnung zur dezentralen Steuerung des Zugriffs von an einen Bus angeschlossenen Einheiten zum Bus
US5898801A (en) 1998-01-29 1999-04-27 Lockheed Martin Corporation Optical transport system
EP1183797A1 (en) * 1999-06-07 2002-03-06 Chromatis Networks, Inc. Dual homing for dwdm networks in fiber rings
US7298975B2 (en) * 2000-07-13 2007-11-20 L-3 Communications Integrated Systems L.P. Synchronous collapsed ring architecture for real-time signal switching and distribution
JP4554101B2 (ja) * 2001-02-28 2010-09-29 株式会社フジクラ ローカル情報伝送機能内蔵メディアコンバータおよび障害警報信号伝送方式
US7085497B2 (en) 2002-04-03 2006-08-01 Lockheed Martin Corporation Vehicular communication system
US6912339B2 (en) 2002-09-27 2005-06-28 Lockheed Martin Corporation Optical interface devices having balanced amplification
US7283480B1 (en) 2002-11-12 2007-10-16 Lockheed Martin Corporation Network system health monitoring using cantor set signals
US7349629B1 (en) 2002-11-26 2008-03-25 Lockheed Martin Corporation Methods and systems for creating a digital interconnect fabric
US7424228B1 (en) 2003-03-31 2008-09-09 Lockheed Martin Corporation High dynamic range radio frequency to optical link
US7570887B2 (en) 2003-03-31 2009-08-04 Lockheed Martin Corporation Optical network interface systems and devices
US7440699B1 (en) 2004-06-28 2008-10-21 Lockheed Martin Corporation Systems, devices and methods for transmitting and receiving signals on an optical network
FR2983017B1 (fr) * 2011-11-22 2014-01-10 Thales Sa Reseau de transmission d'informations et noueud correspondant de reseau
FR2983018B1 (fr) * 2011-11-22 2014-01-10 Thales Sa Reseau de transmission d'informations et noueud de reseau programmable
EP2717168B1 (en) * 2012-10-05 2017-08-09 General Electric Technology GmbH Networks and method for reliable transfer of information between industrial systems
US9351077B1 (en) 2014-12-11 2016-05-24 L-3 Communications Integrated Systems Lp Systems and methods for independent and control-isolated audio processing (ICIAP)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55156436A (en) * 1979-05-25 1980-12-05 Fujitsu Ltd Data transmission system using light transmission line
JPS55161449A (en) * 1979-05-31 1980-12-16 Fujitsu Ltd Fault monitor system
US4237550A (en) * 1979-06-08 1980-12-02 International Telephone And Telegraph Corporation Multiuser protected optical data bus distribution systems
GB2056661A (en) * 1979-08-16 1981-03-18 Cossor Ltd A C Telemetry system
US4399531A (en) * 1980-09-29 1983-08-16 Rockwell International Corporation Distributed digital data communications network
US4402903A (en) * 1981-09-04 1983-09-06 Westinghouse Electric Corp. Control system for coupling redundant logic channels

Also Published As

Publication number Publication date
CA1201170A (en) 1986-02-25
US4482980A (en) 1984-11-13
JPS58204658A (ja) 1983-11-29

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Legal Events

Date Code Title Description
B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 03/05/98

B15K Others concerning applications: alteration of classification

Ipc: H04B 10/27 (2013.01), G06F 13/364 (2006.0