NO128885B - - Google Patents

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Publication number
NO128885B
NO128885B NO04284/71A NO428471A NO128885B NO 128885 B NO128885 B NO 128885B NO 04284/71 A NO04284/71 A NO 04284/71A NO 428471 A NO428471 A NO 428471A NO 128885 B NO128885 B NO 128885B
Authority
NO
Norway
Prior art keywords
circuit
pulse
calculator
flip
signal
Prior art date
Application number
NO04284/71A
Other languages
English (en)
Norwegian (no)
Inventor
O Avsan
A Groedal
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of NO128885B publication Critical patent/NO128885B/no

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
    • G06F13/42—Bus transfer protocol, e.g. handshake; Synchronisation
    • G06F13/4282—Bus transfer protocol, e.g. handshake; Synchronisation on a serial bus, e.g. I2C bus, SPI bus
    • G06F13/4291—Bus transfer protocol, e.g. handshake; Synchronisation on a serial bus, e.g. I2C bus, SPI bus using a clocked protocol
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/04—Generating or distributing clock signals or signals derived directly therefrom
    • G06F1/14—Time supervision arrangements, e.g. real time clock

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Hardware Redundancy (AREA)
  • Multi Processors (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
NO04284/71A 1970-11-20 1971-11-19 NO128885B (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE15702/70A SE347826B (da) 1970-11-20 1970-11-20

Publications (1)

Publication Number Publication Date
NO128885B true NO128885B (da) 1974-01-21

Family

ID=20301081

Family Applications (1)

Application Number Title Priority Date Filing Date
NO04284/71A NO128885B (da) 1970-11-20 1971-11-19

Country Status (17)

Country Link
US (1) US3761884A (da)
JP (1) JPS4710758A (da)
AU (1) AU456350B2 (da)
BE (1) BE775624A (da)
BR (1) BR7107720D0 (da)
CA (1) CA946520A (da)
DE (1) DE2155159C3 (da)
DK (1) DK134167B (da)
ES (1) ES397173A1 (da)
FI (1) FI54747C (da)
FR (1) FR2114901A5 (da)
GB (1) GB1350150A (da)
IT (1) IT946078B (da)
NL (1) NL7115969A (da)
NO (1) NO128885B (da)
PL (1) PL81689B1 (da)
SE (1) SE347826B (da)

Families Citing this family (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49111890U (da) * 1972-12-09 1974-09-25
CH556576A (de) * 1973-03-28 1974-11-29 Hasler Ag Einrichtung zur synchronisierung dreier rechner.
US3932847A (en) * 1973-11-06 1976-01-13 International Business Machines Corporation Time-of-day clock synchronization among multiple processing units
US3919695A (en) * 1973-12-26 1975-11-11 Ibm Asynchronous clocking apparatus
JPS53111991U (da) * 1977-02-16 1978-09-06
DE2711283C2 (de) * 1977-03-15 1985-08-14 Jurij Egorovič Moskva Čičerin Mikroprozessor
DE2737713C2 (de) * 1977-08-22 1983-09-29 Siemens AG, 1000 Berlin und 8000 München Zeitmultiplex-Digital-Vermittlungsanlage, insbesondere PCM-Fernsprechvermittlungsanlage, mit doppelt vorgesehenen Koppelfeldeinrichtungen
DE2838969B2 (de) * 1978-09-07 1981-01-22 Nsm-Apparatebau Gmbh & Co Kg, 6530 Bingen Schaltkreis zur Steuerung der Frequenz eines einem MikroprozeBrechner zugeordneten Taktgenerators
DE2907608A1 (de) * 1979-02-27 1980-08-28 Siemens Ag Schaltungsanordnung zur takterzeugung in fernmeldeanlagen, insbesondere zeitmultiplex-digital-vermittlungsanlagen
US4428044A (en) 1979-09-20 1984-01-24 Bell Telephone Laboratories, Incorporated Peripheral unit controller
US4356546A (en) * 1980-02-05 1982-10-26 The Bendix Corporation Fault-tolerant multi-computer system
US4368514A (en) * 1980-04-25 1983-01-11 Timeplex, Inc. Multi-processor system
US4392196A (en) * 1980-08-11 1983-07-05 Harris Corporation Multi-processor time alignment control system
US4503490A (en) * 1981-06-10 1985-03-05 At&T Bell Laboratories Distributed timing system
US4388688A (en) * 1981-11-10 1983-06-14 International Business Machines Corp. Shared TOD clock modification bit
DE3374238D1 (en) * 1983-07-08 1987-12-03 Ibm A synchronisation mechanism for a multiprocessing system
US4584643A (en) * 1983-08-31 1986-04-22 International Business Machines Corporation Decentralized synchronization of clocks
US4569017A (en) * 1983-12-22 1986-02-04 Gte Automatic Electric Incorporated Duplex central processing unit synchronization circuit
JPS6198425A (ja) * 1984-10-19 1986-05-16 Fujitsu Ltd クロツク同期ずれ検出方式
EP0223031A3 (en) * 1985-11-18 1990-04-04 International Business Machines Corporation Clock synchronisation in a distributed processing system
DE3638947C2 (de) * 1986-11-14 1995-08-31 Bosch Gmbh Robert Verfahren zur Synchronisation von Rechnern eines Mehrrechnersystems und Mehrrechnersystem
US5185877A (en) * 1987-09-04 1993-02-09 Digital Equipment Corporation Protocol for transfer of DMA data
AU616213B2 (en) * 1987-11-09 1991-10-24 Tandem Computers Incorporated Method and apparatus for synchronizing a plurality of processors
CA2003338A1 (en) * 1987-11-09 1990-06-09 Richard W. Cutts, Jr. Synchronization of fault-tolerant computer system having multiple processors
JPH0797328B2 (ja) * 1988-10-25 1995-10-18 インターナシヨナル・ビジネス・マシーンズ・コーポレーシヨン フオールト・トレラント同期システム
US4965717A (en) * 1988-12-09 1990-10-23 Tandem Computers Incorporated Multiple processor system having shared memory with private-write capability
AU625293B2 (en) * 1988-12-09 1992-07-09 Tandem Computers Incorporated Synchronization of fault-tolerant computer system having multiple processors
US5251227A (en) * 1989-08-01 1993-10-05 Digital Equipment Corporation Targeted resets in a data processor including a trace memory to store transactions
US5068780A (en) * 1989-08-01 1991-11-26 Digital Equipment Corporation Method and apparatus for controlling initiation of bootstrap loading of an operating system in a computer system having first and second discrete computing zones
US5163138A (en) * 1989-08-01 1992-11-10 Digital Equipment Corporation Protocol for read write transfers via switching logic by transmitting and retransmitting an address
US5153881A (en) * 1989-08-01 1992-10-06 Digital Equipment Corporation Method of handling errors in software
US5295258A (en) * 1989-12-22 1994-03-15 Tandem Computers Incorporated Fault-tolerant computer system with online recovery and reintegration of redundant components
US5203004A (en) * 1990-01-08 1993-04-13 Tandem Computers Incorporated Multi-board system having electronic keying and preventing power to improperly connected plug-in board with improperly configured diode connections
EP0459035B1 (en) * 1990-06-01 1995-09-06 ALCATEL BELL Naamloze Vennootschap Method for modifying a fault-tolerant processing system
DE59104724D1 (de) * 1990-08-14 1995-03-30 Siemens Ag Einrichtung zur funktionsüberwachung externer synchronisations-baugruppen in einem mehrrechnersystem.
US5504878A (en) * 1991-02-04 1996-04-02 International Business Machines Corporation Method and apparatus for synchronizing plural time-of-day (TOD) clocks with a central TOD reference over non-dedicated serial links using an on-time event (OTE) character
US5420801A (en) * 1992-11-13 1995-05-30 International Business Machines Corporation System and method for synchronization of multimedia streams
JPH08507165A (ja) * 1993-02-26 1996-07-30 ハネウエル・インコーポレーテッド 同期アービトレーション技法及び装置
US5649152A (en) * 1994-10-13 1997-07-15 Vinca Corporation Method and system for providing a static snapshot of data stored on a mass storage system
US5835953A (en) * 1994-10-13 1998-11-10 Vinca Corporation Backup system that takes a snapshot of the locations in a mass storage device that has been identified for updating prior to updating
US6567376B1 (en) 1999-02-25 2003-05-20 Telefonaktiebolaget Lm Ericsson (Publ) Using system frame number to implement timers in telecommunications system having redundancy
JP5676950B2 (ja) * 2009-08-20 2015-02-25 キヤノン株式会社 画像形成装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL297037A (da) * 1962-08-23
US3364472A (en) * 1964-03-06 1968-01-16 Westinghouse Electric Corp Computation unit
US3312951A (en) * 1964-05-29 1967-04-04 North American Aviation Inc Multiple computer system with program interrupt
US3421150A (en) * 1966-08-26 1969-01-07 Sperry Rand Corp Multiprocessor interrupt directory
US3480914A (en) * 1967-01-03 1969-11-25 Ibm Control mechanism for a multi-processor computing system
US3576570A (en) * 1968-12-12 1971-04-27 Sperry Rand Corp Synchronous timing scheme for a data processing system
US3551892A (en) * 1969-01-15 1970-12-29 Ibm Interaction in a multi-processing system utilizing central timers

Also Published As

Publication number Publication date
NL7115969A (da) 1972-05-24
US3761884A (en) 1973-09-25
FI54747C (fi) 1979-02-12
DE2155159A1 (de) 1972-06-08
JPS4710758A (da) 1972-05-30
CA946520A (en) 1974-04-30
PL81689B1 (da) 1975-08-30
FR2114901A5 (da) 1972-06-30
BE775624A (fr) 1972-03-16
DE2155159B2 (de) 1973-07-05
DK134167C (da) 1977-02-21
DE2155159C3 (de) 1974-02-07
FI54747B (fi) 1978-10-31
DK134167B (da) 1976-09-20
AU456350B2 (en) 1974-12-19
GB1350150A (en) 1974-04-18
BR7107720D0 (pt) 1973-05-10
ES397173A1 (es) 1974-04-16
AU3562671A (en) 1973-05-17
IT946078B (it) 1973-05-21
SE347826B (da) 1972-08-14

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