JPS5172245A - - Google Patents

Info

Publication number
JPS5172245A
JPS5172245A JP50136449A JP13644975A JPS5172245A JP S5172245 A JPS5172245 A JP S5172245A JP 50136449 A JP50136449 A JP 50136449A JP 13644975 A JP13644975 A JP 13644975A JP S5172245 A JPS5172245 A JP S5172245A
Authority
JP
Japan
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.)
Granted
Application number
JP50136449A
Other versions
JPS5828941B2 (ja
Inventor
Josefu Baanzu Geerii
Aasaa Moorenhofu Edowaado
Fuiritsupu Pasutaanat Jerarudo
Uein Sutorongu Geerii
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
Publication of JPS5172245A publication Critical patent/JPS5172245A/ja
Publication of JPS5828941B2 publication Critical patent/JPS5828941B2/ja
Expired legal-status Critical Current

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)
JP50136449A 1974-11-14 1975-11-14 マルチポイントデ−タツウシンシステム ノ マルチポイントスイツチ Expired JPS5828941B2 (ja)

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 (2)

Publication Number Publication Date
JPS5172245A true JPS5172245A (ja) 1976-06-22
JPS5828941B2 JPS5828941B2 (ja) 1983-06-18

Family

ID=24085561

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50136449A Expired JPS5828941B2 (ja) 1974-11-14 1975-11-14 マルチポイントデ−タツウシンシステム ノ マルチポイントスイツチ

Country Status (11)

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58120364A (ja) * 1982-01-13 1983-07-18 Toshiba Corp 端子拡張方式
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

Families Citing this family (9)

* 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
JPS6050438U (ja) * 1983-09-14 1985-04-09 クラリオン株式会社 押釦機構
JPS6153831U (ja) * 1984-09-12 1986-04-11
US4858230A (en) * 1987-05-18 1989-08-15 Duggan Robert J Multiport/multidrop computer communications
JPS6418533U (ja) * 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

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4997503A (ja) * 1973-01-17 1974-09-14

Family Cites Families (10)

* 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
US3815093A (en) * 1973-05-11 1974-06-04 Afa Syst Inc Signaling system utilizing frequency burst duration and absence for control functions

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4997503A (ja) * 1973-01-17 1974-09-14

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58120364A (ja) * 1982-01-13 1983-07-18 Toshiba Corp 端子拡張方式
JPH0129110B2 (ja) * 1982-01-13 1989-06-07 Toshiba Kk
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

Also Published As

Publication number Publication date
IT1048727B (it) 1980-12-20
DE2551204A1 (de) 1976-05-26
FR2299779A1 (fr) 1976-08-27
GB1516669A (en) 1978-07-05
SE422266B (sv) 1982-02-22
NL7513305A (nl) 1976-05-18
JPS5828941B2 (ja) 1983-06-18
ES442633A1 (es) 1977-04-16
DE2551204B2 (de) 1980-04-24
BE835549A (fr) 1976-03-01
SE7512339L (sv) 1976-05-17
US3921138A (en) 1975-11-18
CA1054243A (en) 1979-05-08
FR2299779B1 (ja) 1982-12-10

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