GB2075802B - Network access device - Google Patents

Network access device

Info

Publication number
GB2075802B
GB2075802B GB8109010A GB8109010A GB2075802B GB 2075802 B GB2075802 B GB 2075802B GB 8109010 A GB8109010 A GB 8109010A GB 8109010 A GB8109010 A GB 8109010A GB 2075802 B GB2075802 B GB 2075802B
Authority
GB
United Kingdom
Prior art keywords
access device
network access
network
access
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
GB8109010A
Other versions
GB2075802A (en
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.)
Control Data Corp
Original Assignee
Control Data 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 Control Data Corp filed Critical Control Data Corp
Publication of GB2075802A publication Critical patent/GB2075802A/en
Application granted granted Critical
Publication of GB2075802B publication Critical patent/GB2075802B/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G06F13/40—Bus structure
    • G06F13/4004—Coupling between buses
    • G06F13/4022—Coupling between buses using switching circuits, e.g. switching matrix, connection or expansion network
    • 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
    • G06F13/10—Program control for peripheral devices
    • G06F13/12—Program control for peripheral devices using hardware independent of the central processor, e.g. channel or peripheral processor
    • G06F13/124—Program control for peripheral devices using hardware independent of the central processor, e.g. channel or peripheral processor where hardware is a sequential transfer control unit, e.g. microprocessor, peripheral processor or state-machine
    • G06F13/128—Program control for peripheral devices using hardware independent of the central processor, e.g. channel or peripheral processor where hardware is a sequential transfer control unit, e.g. microprocessor, peripheral processor or state-machine for dedicated transfers to a network

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Mathematical Physics (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Communication Control (AREA)
  • Small-Scale Networks (AREA)
  • Computer And Data Communications (AREA)
GB8109010A 1980-05-12 1981-03-23 Network access device Expired GB2075802B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US14863980A 1980-05-12 1980-05-12

Publications (2)

Publication Number Publication Date
GB2075802A GB2075802A (en) 1981-11-18
GB2075802B true GB2075802B (en) 1984-05-31

Family

ID=22526657

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8109010A Expired GB2075802B (en) 1980-05-12 1981-03-23 Network access device

Country Status (7)

Country Link
JP (1) JPS578841A (en)
AU (1) AU538148B2 (en)
CA (1) CA1170739A (en)
DE (1) DE3118847A1 (en)
FR (1) FR2482391A1 (en)
GB (1) GB2075802B (en)
SE (1) SE451165B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0687569B2 (en) * 1989-09-28 1994-11-02 アメリカン テレフォン アンド テレグラフ カムパニー Terminal adapter and data transmission method
DE69314438T2 (en) * 1992-11-30 1998-05-14 Sumitomo Electric Industries Low alloy sintered steel and process for its production
CN104104869A (en) * 2014-06-25 2014-10-15 华为技术有限公司 Photographing method and device and electronic equipment

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2026789B2 (en) * 1970-06-01 1978-07-27 Siemens Ag, 1000 Berlin Und 8000 Muenchen Method for the transmission of data between terminals and a processing system via a concentrator working as a speed converter
US3725866A (en) * 1971-03-08 1973-04-03 Searle Medidata Inc Data communication system
FR2242910A5 (en) * 1973-09-03 1975-03-28 Honeywell Bull Soc Ind
US3932841A (en) * 1973-10-26 1976-01-13 Raytheon Company Bus controller for digital computer system
FR2307407A1 (en) * 1975-04-09 1976-11-05 Singer Co Data interface module for connecting subsystems - couples subsystems to common transmission line by coding outgoing and decoding incoming signals
US3961139A (en) * 1975-05-14 1976-06-01 International Business Machines Corporation Time division multiplexed loop communication system with dynamic allocation of channels
SE393723B (en) * 1975-09-18 1977-05-16 Philips Svenska Ab WAY TO TRANSFER DATA BETWEEN A CENTRAL STATION AND A NUMBER OF TERMINAL STATIONS VIA A CLOSED SERIES TRANSMISSION LOOP AND FACILITIES FOR CARRYING OUT THE KIT
JPS52112203A (en) * 1976-03-16 1977-09-20 Omron Tateisi Electronics Co Communication circuit control unit
US4074352A (en) * 1976-09-30 1978-02-14 Burroughs Corporation Modular block unit for input-output subsystem
US4261033A (en) * 1977-01-19 1981-04-07 Honeywell Information Systems Inc. Communications processor employing line-dedicated memory tables for supervising data transfers
US4136400A (en) * 1977-08-08 1979-01-23 Rockwell International Corporation Micro-programmable data terminal
DE2805705A1 (en) * 1978-02-10 1979-08-16 Patelhold Patentverwertung Data communications network linking processors via single highway - functions by each processor sending own address and address of next processor due for access
US4199661A (en) * 1978-05-05 1980-04-22 Control Data Corporation Method and apparatus for eliminating conflicts on a communication channel

Also Published As

Publication number Publication date
FR2482391A1 (en) 1981-11-13
SE451165B (en) 1987-09-07
AU538148B2 (en) 1984-08-02
AU6935081A (en) 1981-11-19
JPS578841A (en) 1982-01-18
CA1170739A (en) 1984-07-10
DE3118847A1 (en) 1982-02-25
SE8102937L (en) 1981-11-13
GB2075802A (en) 1981-11-18

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee