CA997457A - Digital data communication system - Google Patents

Digital data communication system

Info

Publication number
CA997457A
CA997457A CA138,443A CA138443A CA997457A CA 997457 A CA997457 A CA 997457A CA 138443 A CA138443 A CA 138443A CA 997457 A CA997457 A CA 997457A
Authority
CA
Canada
Prior art keywords
communication system
data communication
digital data
digital
data
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
CA138,443A
Other versions
CA138443S (en
Inventor
Alexander G. Fraser
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AT&T Corp
Original Assignee
Western Electric Co Inc
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 Western Electric Co Inc filed Critical Western Electric Co Inc
Application granted granted Critical
Publication of CA997457A publication Critical patent/CA997457A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/54Store-and-forward switching systems 
    • H04L12/56Packet switching systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/28Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/46Interconnection of networks
    • H04L12/4637Interconnected ring systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/02Channels characterised by the type of signal
CA138,443A 1971-08-27 1972-03-29 Digital data communication system Expired CA997457A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US17567871A 1971-08-27 1971-08-27

Publications (1)

Publication Number Publication Date
CA997457A true CA997457A (en) 1976-09-21

Family

ID=22641194

Family Applications (1)

Application Number Title Priority Date Filing Date
CA138,443A Expired CA997457A (en) 1971-08-27 1972-03-29 Digital data communication system

Country Status (13)

Country Link
US (1) US3749845A (en)
JP (1) JPS5815989B2 (en)
AR (1) AR197090A1 (en)
AU (1) AU474145B2 (en)
BE (1) BE787945A (en)
BR (1) BR7205789D0 (en)
CA (1) CA997457A (en)
DE (1) DE2241573C2 (en)
ES (1) ES406399A1 (en)
FR (1) FR2151929A5 (en)
GB (1) GB1383680A (en)
IT (1) IT964998B (en)
NL (1) NL182441C (en)

Families Citing this family (83)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH550521A (en) * 1972-07-04 1974-06-14 Hasler Ag PROCEDURE FOR MESSAGE TRANSFER BETWEEN PARTICIPANTS.
US3883693A (en) * 1972-07-11 1975-05-13 Applied Information Ind Digital communication system
US3924077A (en) * 1973-07-05 1975-12-02 Thomas R Blakeslee Pulse code modulation time division multiplex telephone system
US3925621A (en) * 1974-01-17 1975-12-09 Collins Arthur A Inc Digital circuit switched time-space-time switch equipped time division transmission loop system
US4145733A (en) * 1974-03-29 1979-03-20 Massachusetts Institute Of Technology Data processing apparatus for highly parallel execution of stored programs
US4149240A (en) * 1974-03-29 1979-04-10 Massachusetts Institute Of Technology Data processing apparatus for highly parallel execution of data structure operations
US3961312A (en) * 1974-07-15 1976-06-01 International Business Machines Corporation Cycle interleaving during burst mode operation
US4177511A (en) * 1974-09-04 1979-12-04 Burroughs Corporation Port select unit for a programmable serial-bit microprocessor
NL7412053A (en) * 1974-09-11 1976-03-15 Philips Nv TELECOMMUNICATIONS CENTRAL WITH TIME DIVIDING.
US4032719A (en) * 1975-06-26 1977-06-28 International Business Machines Corporation Modular slot interchange digital exchange
JPS51100603A (en) * 1975-03-03 1976-09-06 Hitachi Ltd Paketsutokokanmoni okeru deetasojushinhoshiki
US4007450A (en) * 1975-06-30 1977-02-08 International Business Machines Corporation Data sharing computer network
JPS528710A (en) * 1975-07-09 1977-01-22 Nippon Telegr & Teleph Corp <Ntt> Digital conversioin system
USRE32789E (en) * 1975-11-24 1988-11-22 Motorola, Inc. Transmission trunk multichannel dispatch system with priority queuing
US4028667A (en) * 1975-12-22 1977-06-07 International Business Machines Corporation Asynchronous, hierarchical loop communication system with independent local station control of access to inbound time portions without central control
US4130885A (en) * 1976-08-19 1978-12-19 Massachusetts Institute Of Technology Packet memory system for processing many independent memory transactions concurrently
US4228496A (en) * 1976-09-07 1980-10-14 Tandem Computers Incorporated Multiprocessor system
USRE31182E (en) * 1976-11-10 1983-03-15 International Telephone And Telegraph Corporation Packet-switched data communication system
US4201891A (en) * 1978-03-17 1980-05-06 International Telephone And Telegraph Corporation Expandable digital switching network
US4375097A (en) * 1978-06-02 1983-02-22 Texas Instruments Incorporated Transparent intelligent network for data and voice
US4316283A (en) * 1978-06-02 1982-02-16 Texas Instruments Incorporated Transparent intelligent network for data and voice
US4317196A (en) * 1978-06-02 1982-02-23 Texas Instruments Incorporated Transparent intelligent network for data and voice
US4334306A (en) * 1978-06-02 1982-06-08 Texas Instruments Incorporated Transparent intelligent network for data and voice
US4317197A (en) * 1978-06-02 1982-02-23 Texas Instruments Incorporated Transparent intelligent network for data and voice
US4312065A (en) * 1978-06-02 1982-01-19 Texas Instruments Incorporated Transparent intelligent network for data and voice
US4231015A (en) * 1978-09-28 1980-10-28 General Atomic Company Multiple-processor digital communication system
US4241330A (en) * 1978-09-28 1980-12-23 General Atomic Company Multiple-processor digital communication system
US4268902A (en) * 1978-10-23 1981-05-19 International Business Machines Corporation Maintenance interface for a service processor-central processing unit computer system
US4313036A (en) * 1980-02-19 1982-01-26 Rolm Corporation Distributed CBX system employing packet network
US4313176A (en) * 1980-03-07 1982-01-26 The Lockwood Association, Inc. Data controlled switch for telephone inputs to a computer
FR2478913A1 (en) * 1980-03-20 1981-09-25 Telediffusion Fse COMMUNICATION SYSTEM CONCENTRATOR FOR CONNECTING SEVERAL ASYNCHRONOUS TELEINFORMATIC TERMINALS
US4348554A (en) * 1980-03-21 1982-09-07 Bell Telephone Laboratories, Incorporated Method of providing virtual private network telephone service
DE3036739A1 (en) * 1980-09-29 1982-06-03 Siemens AG, 1000 Berlin und 8000 München TELEPHONE MOBILE RADIO SYSTEM FOR DIGITAL VOICE TRANSFER
DE3036649A1 (en) * 1980-09-29 1982-05-13 Siemens AG, 1000 Berlin und 8000 München TELEPHONE SWITCHING NETWORK FOR DIGITAL VOICE TRANSFER
DE3036707A1 (en) * 1980-09-29 1982-05-19 Siemens AG, 1000 Berlin und 8000 München UNIVERSAL MOBILE RADIO DIGITAL NETWORK FOR PACKAGE-SENT INFORMATION TRANSMISSION
DE3036740A1 (en) * 1980-09-29 1982-05-13 Siemens AG, 1000 Berlin und 8000 München UNIVERSAL DIGITAL NETWORK FOR PACKAGE-RELATED INFORMATION TRANSFER
US4491946A (en) * 1981-03-09 1985-01-01 Gould Inc. Multi-station token pass communication system
US4965825A (en) 1981-11-03 1990-10-23 The Personalized Mass Media Corporation Signal processing apparatus and methods
US7831204B1 (en) 1981-11-03 2010-11-09 Personalized Media Communications, Llc Signal processing apparatus and methods
USRE47642E1 (en) 1981-11-03 2019-10-08 Personalized Media Communications LLC Signal processing apparatus and methods
US4488289A (en) * 1982-06-25 1984-12-11 At&T Bell Laboratories Interface facility for a packet switching system
US4494230A (en) * 1982-06-25 1985-01-15 At&T Bell Laboratories Fast packet switching system
US4491945A (en) * 1982-06-25 1985-01-01 At&T Bell Laboratories Fast packet switch
US4500960A (en) * 1982-06-28 1985-02-19 At&T Bell Laboratories Geographically distributed multiprocessor time-shared communication processing system
US4614841A (en) * 1982-06-29 1986-09-30 At&T Bell Laboratories Geographically distributed multiprocessor time-shared communication processing system
US4644496A (en) * 1983-01-11 1987-02-17 Iowa State University Research Foundation, Inc. Apparatus, methods, and systems for computer information transfer
US4597078A (en) * 1983-10-19 1986-06-24 Digital Equipment Corporation Bridge circuit for interconnecting networks
FR2554952B1 (en) * 1983-11-15 1989-04-28 Telecommunications Sa ADDRESSING METHOD AND SYSTEM FOR DYNAMIC MEMORY
US4578815A (en) * 1983-12-07 1986-03-25 Motorola, Inc. Wide area coverage radio communication system and method
US4573207A (en) * 1983-12-22 1986-02-25 Motorola, Inc. Queued community repeater communications system
US4901277A (en) * 1985-09-17 1990-02-13 Codex Corporation Network data flow control technique
CA1263721A (en) * 1985-10-18 1989-12-05 Owen Lloyd Nelson Communication system for the transfer of small digital message blocks and large digital message blocks
US4763329A (en) * 1986-02-10 1988-08-09 Techlan, Inc. Modular data routing system
US4782484A (en) * 1986-04-18 1988-11-01 Bell Communications Research, Inc. Encoding and decoding signals for transmission over a multi-access medium
US4763319A (en) * 1986-05-19 1988-08-09 Bell Communications Research, Inc. Multi-rate synchronous virtual circuit network for voice and data communications
JP2577746B2 (en) * 1987-08-24 1997-02-05 株式会社日立製作所 Communication method
US4788718A (en) * 1987-10-05 1988-11-29 American Telephone And Telegraph Company, At & T Laboratories Call data collection and modification of received call distribution
US4885739A (en) * 1987-11-13 1989-12-05 Dsc Communications Corporation Interprocessor switching network
US5014265A (en) * 1989-11-30 1991-05-07 At&T Bell Laboratories Method and apparatus for congestion control in a data network
US5163046A (en) 1989-11-30 1992-11-10 At&T Bell Laboratories Dynamic window sizing in a data network
US5165024A (en) * 1990-04-12 1992-11-17 Apple Computer, Inc. Information transfer and receiving system with a ring interconnect architecture using voucher and ticket signals
US5165019A (en) * 1990-05-29 1992-11-17 Apple Computer, Inc. Ring interconnect system architecture
US5146497A (en) * 1991-02-27 1992-09-08 Motorola, Inc. Group rekey in a communication system
US5164986A (en) * 1991-02-27 1992-11-17 Motorola, Inc. Formation of rekey messages in a communication system
US5150408A (en) * 1991-02-27 1992-09-22 Motorola, Inc. Key distribution communication system
US5185795A (en) * 1991-02-27 1993-02-09 Motorola, Inc. Authentication of rekey messages in a communication system
US5659542A (en) 1995-03-03 1997-08-19 Intecom, Inc. System and method for signalling and call processing for private and hybrid communications systems including multimedia systems
US5815678A (en) * 1995-07-14 1998-09-29 Adaptec, Inc. Method and apparatus for implementing an application programming interface for a communications bus
SE515172C2 (en) * 1996-12-20 2001-06-18 Ericsson Telefon Ab L M Device and method of telecommunication networks
US5978379A (en) * 1997-01-23 1999-11-02 Gadzoox Networks, Inc. Fiber channel learning bridge, learning half bridge, and protocol
DE69937942T2 (en) * 1998-06-05 2009-01-08 Nxp B.V. DATA CARRIER WITH A CIRCUIT WITH MEANS OF TIME SLIDING AND MEANS OF TIME SLICING
US7430171B2 (en) 1998-11-19 2008-09-30 Broadcom Corporation Fibre channel arbitrated loop bufferless switch circuitry to increase bandwidth without significant increase in cost
US7058150B2 (en) 2000-04-28 2006-06-06 Broadcom Corporation High-speed serial data transceiver and related methods
US7212534B2 (en) * 2001-07-23 2007-05-01 Broadcom Corporation Flow based congestion control
US6957281B2 (en) * 2002-01-15 2005-10-18 Intel Corporation Ingress processing optimization via traffic classification and grouping
JP2005303549A (en) * 2004-04-08 2005-10-27 Olympus Corp Communication apparatus
US7620071B2 (en) * 2004-11-16 2009-11-17 Intel Corporation Packet coalescing
US7970958B2 (en) 2005-06-20 2011-06-28 Micron Technology, Inc. Peripheral interface alert message for downstream device
US8620710B2 (en) * 2009-07-02 2013-12-31 International Business Machines Corporation Managing calendar events while preparing for time out-of-office
CA2848307A1 (en) 2011-08-08 2013-02-14 Novano Corporation Service over ethernet interconnectable wall plate (soeicwp) module
US9047417B2 (en) 2012-10-29 2015-06-02 Intel Corporation NUMA aware network interface
US10684973B2 (en) 2013-08-30 2020-06-16 Intel Corporation NUMA node peripheral switch
CN113014442B (en) * 2019-12-19 2023-04-18 西安诺瓦星云科技股份有限公司 Network port loop detection method and network port loop detection system

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3466397A (en) * 1965-12-14 1969-09-09 Bell Telephone Labor Inc Character at a time data multiplexing system
SE324667B (en) * 1968-12-20 1970-06-08 Ibm Svenska Ab
US3597549A (en) * 1969-07-17 1971-08-03 Bell Telephone Labor Inc High speed data communication system
CA893337A (en) * 1969-11-10 1972-02-15 Ibm Canada Limited - Ibm Canada Limitee Data communication system
US3632882A (en) * 1970-05-15 1972-01-04 Gen Datacomm Ind Inc Synchronous programable mixed format time division multiplexer

Also Published As

Publication number Publication date
AR197090A1 (en) 1974-03-15
BR7205789D0 (en) 1973-08-23
GB1383680A (en) 1974-02-12
NL182441C (en) 1988-03-01
DE2241573A1 (en) 1973-03-08
JPS5815989B2 (en) 1983-03-29
DE2241573C2 (en) 1983-05-26
JPS4832403A (en) 1973-04-28
BE787945A (en) 1972-12-18
IT964998B (en) 1974-01-31
AU4594972A (en) 1974-02-28
ES406399A1 (en) 1975-07-16
NL182441B (en) 1987-10-01
FR2151929A5 (en) 1973-04-20
AU474145B2 (en) 1976-07-15
NL7211554A (en) 1973-03-01
US3749845A (en) 1973-07-31

Similar Documents

Publication Publication Date Title
CA997457A (en) Digital data communication system
CA958076A (en) Digital communication system
CA996207A (en) Digital communication systems
CA985785A (en) Digital data transmission system
CA1007749A (en) Digital encoding system
AU457347B2 (en) Data communication system
CA934066A (en) Data communication system
CA981795A (en) Digital data storage system
AU3736171A (en) Communication system
CA977477A (en) Data communication system
CA949686A (en) Data transmitting terminal
AU463795B2 (en) Telephone system with data traffic
CA992666A (en) Digital data interface system
CA955689A (en) Digital data handling system
CA1021429A (en) Facsimile data communication system
CA1016659A (en) Data communication system
CA954623A (en) Digital recording system
CA1007756A (en) Data communication system
CA882899A (en) Digital communication system
CA879858A (en) Digital communication system
CA982274A (en) Digital data handling system
CA883465A (en) Digital data transfer system
CA871915A (en) Buffering system for data communication
AU458841B2 (en) Telephone system
CA877000A (en) Adaptive digital communication system