BE835549A - Commutateur multipoint - Google Patents

Commutateur multipoint

Info

Publication number
BE835549A
BE835549A BE161850A BE161850A BE835549A BE 835549 A BE835549 A BE 835549A BE 161850 A BE161850 A BE 161850A BE 161850 A BE161850 A BE 161850A BE 835549 A BE835549 A BE 835549A
Authority
BE
Belgium
Prior art keywords
multipoint switch
multipoint
switch
Prior art date
Application number
BE161850A
Other languages
English (en)
French (fr)
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 filed Critical
Publication of BE835549A publication Critical patent/BE835549A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • 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
    • G06F13/20—Handling requests for interconnection or transfer for access to input/output bus
    • G06F13/22—Handling requests for interconnection or transfer for access to input/output bus using successive scanning, e.g. polling
    • 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
    • G06F13/38—Information transfer, e.g. on bus

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Small-Scale Networks (AREA)
  • Selective Calling Equipment (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
BE161850A 1974-11-14 1975-11-13 Commutateur multipoint BE835549A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US523576A US3921138A (en) 1974-11-14 1974-11-14 Multipoint data communications systems utilizing multipoint switches

Publications (1)

Publication Number Publication Date
BE835549A true BE835549A (fr) 1976-03-01

Family

ID=24085561

Family Applications (1)

Application Number Title Priority Date Filing Date
BE161850A BE835549A (fr) 1974-11-14 1975-11-13 Commutateur multipoint

Country Status (11)

Country Link
US (1) US3921138A (es)
JP (1) JPS5828941B2 (es)
BE (1) BE835549A (es)
CA (1) CA1054243A (es)
DE (1) DE2551204B2 (es)
ES (1) ES442633A1 (es)
FR (1) FR2299779A1 (es)
GB (1) GB1516669A (es)
IT (1) IT1048727B (es)
NL (1) NL7513305A (es)
SE (1) SE422266B (es)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4100533A (en) * 1976-12-06 1978-07-11 Bell Telephone Laboratories, Incorporated Multipoint polling technique
US4122301A (en) * 1977-12-29 1978-10-24 Bell Telephone Laboratories, Incorporated Selection of branch lines of multipoint junction circuits
JPS58120364A (ja) * 1982-01-13 1983-07-18 Toshiba Corp 端子拡張方式
JPS6050438U (ja) * 1983-09-14 1985-04-09 クラリオン株式会社 押釦機構
JPS60196036A (ja) * 1984-03-06 1985-10-04 インタ−ナショナル　ビジネス　マシ−ンズ　コ−ポレ−ション 遠隔制御出力分岐装置
JPS6153831U (es) * 1984-09-12 1986-04-11
US4858230A (en) * 1987-05-18 1989-08-15 Duggan Robert J Multiport/multidrop computer communications
JPS6418533U (es) * 1987-07-22 1989-01-30
US5303267A (en) * 1992-05-04 1994-04-12 Dsc Communications Corporation Multipoint data communications system
US5944803A (en) * 1997-03-25 1999-08-31 Sony Corporation Isolatable multi-point serial communication utilizing a single universal asynchronous receiver and transmitter (UART)
US7406555B2 (en) * 2005-04-29 2008-07-29 The Boeing Company Systems and methods for multiple input instrumentation buses

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2193967A (en) * 1933-01-05 1940-03-19 Teletype Corp Automatic message exchange system
US2501592A (en) * 1946-07-26 1950-03-21 Bell Telephone Labor Inc Intercommunicating teletypewriter system
US3001010A (en) * 1958-09-11 1961-09-19 Bell Telephone Labor Inc Station control circuit for multistation line
US3529293A (en) * 1967-04-10 1970-09-15 Leeds & Northrup Co Supervisory and control system
AT274054B (de) * 1967-12-01 1969-09-10 Siemens Ag Schaltungsanordnung für zentralgesteuerte Fernmeldeanlagen, insbesondere Fernsprechvermittlungsanlagen
US3576539A (en) * 1968-10-21 1971-04-27 Digital Data Systems Corp Counter controller credit verification system
GB1402986A (en) * 1971-05-13 1975-08-13 Kent Meters Ltd Interrogation of remote stations
US3821705A (en) * 1972-10-12 1974-06-28 Concord Computing Corp Data communication system and apparatus
US3826872A (en) * 1973-01-02 1974-07-30 Honeywell Inf Systems Transparent multiplexer communication transmission system
JPS4997503A (es) * 1973-01-17 1974-09-14
US3815093A (en) * 1973-05-11 1974-06-04 Afa Syst Inc Signaling system utilizing frequency burst duration and absence for control functions

Also Published As

Publication number Publication date
IT1048727B (it) 1980-12-20
JPS5172245A (es) 1976-06-22
FR2299779A1 (fr) 1976-08-27
FR2299779B1 (es) 1982-12-10
JPS5828941B2 (ja) 1983-06-18
GB1516669A (en) 1978-07-05
SE422266B (sv) 1982-02-22
DE2551204B2 (de) 1980-04-24
DE2551204A1 (de) 1976-05-26
SE7512339L (sv) 1976-05-17
CA1054243A (en) 1979-05-08
ES442633A1 (es) 1977-04-16
US3921138A (en) 1975-11-18
NL7513305A (nl) 1976-05-18

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: WESTERN ELECTRIC CY INC.

Effective date: 19841113