GB1549821A - Communications multiplexer module - Google Patents

Communications multiplexer module

Info

Publication number
GB1549821A
GB1549821A GB14291/76A GB1429176A GB1549821A GB 1549821 A GB1549821 A GB 1549821A GB 14291/76 A GB14291/76 A GB 14291/76A GB 1429176 A GB1429176 A GB 1429176A GB 1549821 A GB1549821 A GB 1549821A
Authority
GB
United Kingdom
Prior art keywords
multiplexer module
communications multiplexer
communications
module
multiplexer
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
GB14291/76A
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.)
Sperry Corp
Original Assignee
Sperry Rand 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
Priority claimed from US05/567,472 external-priority patent/US4012718A/en
Priority claimed from US05/567,480 external-priority patent/US4016367A/en
Priority claimed from US05/567,479 external-priority patent/US4012719A/en
Priority claimed from US05/567,261 external-priority patent/US4016548A/en
Application filed by Sperry Rand Corp filed Critical Sperry Rand Corp
Publication of GB1549821A publication Critical patent/GB1549821A/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
    • G06F13/382—Information transfer, e.g. on bus using universal interface adapter
    • G06F13/385—Information transfer, e.g. on bus using universal interface adapter for adaptation of a particular data processing system to different peripheral devices
    • 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
    • G06F13/42—Bus transfer protocol, e.g. handshake; Synchronisation
    • 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
    • G06F13/42—Bus transfer protocol, e.g. handshake; Synchronisation
    • G06F13/4204—Bus transfer protocol, e.g. handshake; Synchronisation on a parallel bus
    • G06F13/4221—Bus transfer protocol, e.g. handshake; Synchronisation on a parallel bus being an input/output bus, e.g. ISA bus, EISA bus, PCI bus, SCSI bus
GB14291/76A 1975-04-11 1976-04-08 Communications multiplexer module Expired GB1549821A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US05/567,472 US4012718A (en) 1975-04-11 1975-04-11 Communication multiplexer module
US05/567,480 US4016367A (en) 1975-04-11 1975-04-11 Communication multiplexer module
US05/567,479 US4012719A (en) 1975-04-11 1975-04-11 Communication multiplexer module
US05/567,261 US4016548A (en) 1975-04-11 1975-04-11 Communication multiplexer module

Publications (1)

Publication Number Publication Date
GB1549821A true GB1549821A (en) 1979-08-08

Family

ID=27504863

Family Applications (1)

Application Number Title Priority Date Filing Date
GB14291/76A Expired GB1549821A (en) 1975-04-11 1976-04-08 Communications multiplexer module

Country Status (3)

Country Link
JP (1) JPS5948417B2 (en)
DE (3) DE2615555C2 (en)
GB (1) GB1549821A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4261033A (en) * 1977-01-19 1981-04-07 Honeywell Information Systems Inc. Communications processor employing line-dedicated memory tables for supervising data transfers
US4156796A (en) * 1977-11-29 1979-05-29 International Business Machines Corporation Programmable data processing communications multiplexer
US4188665A (en) * 1977-11-29 1980-02-12 International Business Machines Corporation Programmable communications subsystem

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3528060A (en) * 1968-06-20 1970-09-08 Sperry Rand Corp Time variable stop bit scheme for data processing system
BE756377A (en) * 1969-09-19 1971-03-01 Burroughs Corp ORDERING DATA COMMUNICATION LINES
US3618031A (en) * 1970-06-29 1971-11-02 Honeywell Inf Systems Data communication system

Also Published As

Publication number Publication date
DE2660857C2 (en) 1985-02-28
DE2615555A1 (en) 1976-12-16
JPS51135436A (en) 1976-11-24
DE2615555C2 (en) 1983-08-11
JPS5948417B2 (en) 1984-11-26
DE2660858C1 (en) 1986-08-07

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19950408