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Bus system

Info

Publication number
DE3265361D1
DE3265361D1 DE19823265361 DE3265361A DE3265361D1 DE 3265361 D1 DE3265361 D1 DE 3265361D1 DE 19823265361 DE19823265361 DE 19823265361 DE 3265361 A DE3265361 A DE 3265361A DE 3265361 D1 DE3265361 D1 DE 3265361D1
Authority
DE
Grant status
Grant
Patent type
Prior art keywords
bus
system
bus system
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
DE19823265361
Other languages
English (en)
Inventor
Matthias Hofstetter
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.)
Siemens Schweiz AG
Original Assignee
Siemens Schweiz AG
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
Grant date

Links

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRICAL DIGITAL DATA PROCESSING
    • G06F13/00Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/14Handling requests for interconnection or transfer
    • G06F13/20Handling requests for interconnection or transfer for access to input/output bus
    • G06F13/22Handling requests for interconnection or transfer for access to input/output bus using successive scanning, e.g. polling
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRICAL DIGITAL DATA PROCESSING
    • G06F13/00Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/38Information transfer, e.g. on bus
    • G06F13/40Bus structure
    • G06F13/4004Coupling between buses
    • G06F13/4022Coupling between buses using switching circuits, e.g. switching matrix, connection or expansion network
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRICAL DIGITAL DATA PROCESSING
    • G06F13/00Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/38Information transfer, e.g. on bus
    • G06F13/42Bus transfer protocol, e.g. handshake; Synchronisation
    • G06F13/4204Bus transfer protocol, e.g. handshake; Synchronisation on a parallel bus
    • G06F13/4221Bus 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
    • G06F13/423Bus 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 with synchronous protocol
DE19823265361 1981-07-10 1982-04-15 Bus system Expired DE3265361D1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CH452981 1981-07-10

Publications (1)

Publication Number Publication Date
DE3265361D1 true DE3265361D1 (de) 1985-09-19

Family

ID=4277795

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19823265361 Expired DE3265361D1 (de) 1981-07-10 1982-04-15 Bus system

Country Status (4)

Country Link
US (1) US4495574A (de)
CA (1) CA1173929A (de)
DE (1) DE3265361D1 (de)
EP (1) EP0069829B1 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4586159A (en) * 1983-11-21 1986-04-29 The United States Of America As Represented By The Secretary Of The Navy Digital bus adaptor
JPS62271012A (en) * 1986-05-20 1987-11-25 Mitsubishi Electric Corp Pseudo status signal generator
US4965723A (en) * 1987-10-23 1990-10-23 Digital Equipment Corporation Bus data path control scheme
WO1989004516A1 (en) * 1987-11-10 1989-05-18 Echelon Systems An input/output section for an intelligent cell which provides sensing, bidirectional communications and control
US5113498A (en) * 1987-11-10 1992-05-12 Echelon Corporation Input/output section for an intelligent cell which provides sensing, bidirectional communications and control
US5023891A (en) * 1989-07-25 1991-06-11 Sf2 Corporation Method and circuit for decoding a Manchester code signal
JPH0398145A (en) * 1989-09-11 1991-04-23 Hitachi Ltd Microprocessor
CA2029390C (en) * 1989-11-20 1994-12-27 Bernard A. Rozmovits Data format for packets of information
US5278974A (en) * 1989-12-04 1994-01-11 Digital Equipment Corporation Method and apparatus for the dynamic adjustment of data transfer timing to equalize the bandwidths of two buses in a computer system having different bandwidths
US6230245B1 (en) 1997-02-11 2001-05-08 Micron Technology, Inc. Method and apparatus for generating a variable sequence of memory device command signals
US5996043A (en) * 1997-06-13 1999-11-30 Micron Technology, Inc. Two step memory device command buffer apparatus and method and memory devices and computer systems using same
US6320501B1 (en) 1999-05-25 2001-11-20 Pittway Corporation Multiple sensor system for alarm determination with device-to-device communications
DE102009030204A1 (de) * 2009-06-24 2010-12-30 Audi Ag Sternkoppler für ein Bussystem, Bussystem mit einem solchen Sternkoppler sowie Verfahren zum Austauschen von Signalen in einem Bussystem

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3633169A (en) * 1970-05-28 1972-01-04 Raytheon Co Demand access digital-communications system
GB1478363A (en) * 1974-07-30 1977-06-29 Mullard Ltd Data transmission systems
US4075691A (en) * 1975-11-06 1978-02-21 Bunker Ramo Corporation Communication control unit
US4230913A (en) * 1979-01-04 1980-10-28 Eltra Corporation Line concentrator
US4292465A (en) * 1979-11-06 1981-09-29 Frederick Electronics Corporation Distributed processing telex exchange
US4319338A (en) * 1979-12-12 1982-03-09 Allen-Bradley Company Industrial communications network with mastership determined by need
US4442504A (en) * 1981-03-09 1984-04-10 Allen-Bradley Company Modular programmable controller
US4456793A (en) * 1982-06-09 1984-06-26 Bell Telephone Laboratories, Incorporated Cordless telephone system

Also Published As

Publication number Publication date Type
CA1173929A (en) 1984-09-04 grant
EP0069829A3 (en) 1983-05-18 application
US4495574A (en) 1985-01-22 grant
CA1173929A1 (de) grant
EP0069829A2 (de) 1983-01-19 application
EP0069829B1 (de) 1985-08-14 grant

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Free format text: FUCHS, F., DR.-ING., PAT.-ANW., 8000 MUENCHEN

8339 Ceased/non-payment of the annual fee