IT7927740A0 - Circuito di prova per orologi sincronizzati. - Google Patents

Circuito di prova per orologi sincronizzati.

Info

Publication number
IT7927740A0
IT7927740A0 IT7927740A IT2774079A IT7927740A0 IT 7927740 A0 IT7927740 A0 IT 7927740A0 IT 7927740 A IT7927740 A IT 7927740A IT 2774079 A IT2774079 A IT 2774079A IT 7927740 A0 IT7927740 A0 IT 7927740A0
Authority
IT
Italy
Prior art keywords
test circuit
synchronized clocks
clocks
synchronized
test
Prior art date
Application number
IT7927740A
Other languages
English (en)
Other versions
IT1165393B (it
Inventor
Arnold Blum
Hellmuth Roland Geng
Hermann Schulze-Schoelling
Bernd Spaeth
Original Assignee
Ibm
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 Ibm filed Critical Ibm
Publication of IT7927740A0 publication Critical patent/IT7927740A0/it
Application granted granted Critical
Publication of IT1165393B publication Critical patent/IT1165393B/it

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/22—Arrangements for supervision, monitoring or testing
    • H04M3/24—Arrangements for supervision, monitoring or testing with provision for checking the normal operation
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
    • H03K5/22—Circuits having more than one input and one output for comparing pulses or pulse trains with each other according to input signal characteristics, e.g. slope, integral
    • H03K5/26—Circuits having more than one input and one output for comparing pulses or pulse trains with each other according to input signal characteristics, e.g. slope, integral the characteristic being duration, interval, position, frequency, or sequence

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Tests Of Electronic Circuits (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Test And Diagnosis Of Digital Computers (AREA)
IT27740/79A 1978-12-12 1979-11-30 Circuito di prova per orologi sincronizzati IT1165393B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2853546A DE2853546C2 (de) 1978-12-12 1978-12-12 Prüfschaltung für mindestens zwei synchron arbeitende Taktgeber

Publications (2)

Publication Number Publication Date
IT7927740A0 true IT7927740A0 (it) 1979-11-30
IT1165393B IT1165393B (it) 1987-04-22

Family

ID=6056904

Family Applications (1)

Application Number Title Priority Date Filing Date
IT27740/79A IT1165393B (it) 1978-12-12 1979-11-30 Circuito di prova per orologi sincronizzati

Country Status (9)

Country Link
US (1) US4295220A (it)
EP (1) EP0012185B1 (it)
JP (1) JPS5925980B2 (it)
AU (1) AU528615B2 (it)
BR (1) BR7908071A (it)
CA (1) CA1113575A (it)
DE (2) DE2853546C2 (it)
ES (1) ES485969A1 (it)
IT (1) IT1165393B (it)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2853523C2 (de) * 1978-12-12 1981-10-01 Ibm Deutschland Gmbh, 7000 Stuttgart Dezentrale Erzeugung von Taktsteuersignalen
US4467412A (en) * 1981-05-18 1984-08-21 Atari, Inc. Slave processor with clock controlled by internal ROM & master processor
US4482819A (en) * 1982-01-25 1984-11-13 International Business Machines Corporation Data processor system clock checking system
US4551836A (en) * 1983-06-22 1985-11-05 Gte Automatic Electric Incorporated Cross-copy arrangement for synchronizing error detection clock signals in a duplex digital system
US4835728A (en) * 1986-08-13 1989-05-30 Amdahl Corporation Deterministic clock control apparatus for a data processing system
EP0269812B1 (de) * 1986-10-16 1991-02-06 Siemens Aktiengesellschaft Verfahren und Anordnung zur Versorgung einer Taktleitung mit einem von zwei Taktsignalen in Abhängigkeit vom Pegel eines der beiden Taktsignale
US4811343A (en) * 1987-03-02 1989-03-07 International Business Machines Corporation On-chip on-line AC and DC clock tree error detection system
US5210846B1 (en) * 1989-05-15 1999-06-29 Dallas Semiconductor One-wire bus architecture
WO1990014626A1 (en) * 1989-05-15 1990-11-29 Dallas Semiconductor Corporation Systems with data-token/one-wire-bus
US5758130A (en) * 1995-08-04 1998-05-26 Apple Computer, Inc. Digital signal distribution for long and short paths
US5742798A (en) * 1996-08-09 1998-04-21 International Business Machines Corporation Compensation of chip to chip clock skew

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1197922B (de) * 1960-10-27 1965-08-05 Int Standard Electric Corp UEberwachungseinrichtung fuer mehrere Impulsquellen
DE1295627B (de) * 1967-01-25 1969-05-22 Siemens Ag Schaltungsanordnung zur UEberwachung von Taktgebern
US3369190A (en) * 1967-02-15 1968-02-13 Collins Radio Co Phase locked indicator for plurality of oscillators phase locked to common reference
CA871381A (en) * 1968-03-20 1971-05-18 Central Dynamics Ltd. Synchronizing pulse comparator circuitry
FR1587572A (it) * 1968-10-25 1970-03-20
GB1236494A (en) * 1969-06-23 1971-06-23 Marconi Co Ltd Improvements in or relating to phase difference detectors
DE2243555A1 (de) * 1972-09-05 1974-04-18 Hartmann & Braun Ag Schaltungsanordnung zur erfassung von betrag und vorzeichen des phasenwinkels zwischen zwei sinusfoermigen elektrischen wechselgroessen
US3803568A (en) * 1973-04-06 1974-04-09 Gte Automatic Electric Lab Inc System clock for electronic communication systems
US3866184A (en) * 1973-08-31 1975-02-11 Gte Automatic Electric Lab Inc Timing monitor circuit for central data processor of digital communication system
US3932847A (en) * 1973-11-06 1976-01-13 International Business Machines Corporation Time-of-day clock synchronization among multiple processing units
DE2612532C3 (de) * 1976-03-24 1978-09-14 Siemens Ag, 1000 Berlin Und 8000 Muenchen Schaltungsanordnung zur Überwachung von zeitlich gestaffelt mehreren Leitungen jeweils als Taktimpulsfolge zugeordneten Taktimpulsen
US4144448A (en) * 1977-11-29 1979-03-13 International Business Machines Corporation Asynchronous validity checking system and method for monitoring clock signals on separate electrical conductors

Also Published As

Publication number Publication date
EP0012185A1 (de) 1980-06-25
AU5343379A (en) 1980-06-19
EP0012185B1 (de) 1982-09-29
ES485969A1 (es) 1980-06-16
DE2853546A1 (de) 1980-06-19
JPS5925980B2 (ja) 1984-06-22
JPS55112574A (en) 1980-08-30
IT1165393B (it) 1987-04-22
CA1113575A (en) 1981-12-01
AU528615B2 (en) 1983-05-05
BR7908071A (pt) 1980-07-22
DE2853546C2 (de) 1982-02-25
US4295220A (en) 1981-10-13
DE2963788D1 (en) 1982-11-11

Similar Documents

Publication Publication Date Title
FI782902A7 (fi) Foerfarande foer att utvisa impregneringsmedel i substrat
DK162057C (da) Fremgangsmaade til fremstilling af et immunogent kompleks
IT7825212A0 (it) Struttura di circuito integrato.
IT8123697A0 (it) Circuito di selezione di orologio.
NL180063C (nl) Synchronisatieschakeling.
DK147777A (da) Fremgangsmade til fremstilling af acylchromaner
SE7802923L (sv) Forfarande for immunologisk bestemning
IT7826896A0 (it) Circuito di tempificazione.
FI783333A7 (fi) Stommadrass foer liggmoebel
IT7923603A0 (it) Dispositivo per regolare un orologio elettrico.
SE7812411L (sv) Instas for eldstad
DK144177A (da) Fremgangsmade til fremstilling af acylayanider
IT1165393B (it) Circuito di prova per orologi sincronizzati
NO771754L (no) Forbindelsesmiddel for reoler
DK284778A (da) Fremgangsmaade til elektropettering
DK147680C (da) Fremgangsmaade til rensning af vaadphosphorsyre
IT7821634A0 (it) Circuito elettrico.
SE420369B (sv) Ingangskrets avsedd for mikrovag
SE7613699L (sv) Dempningskrets for forspenningsstrom
IT7829827A0 (it) Complesso di circuito televisivo.
DK127179A (da) Fremgangsmaade til fremstilling af monokaryoner
IT7829767A0 (it) Circuito integrato.
BE878622A (fr) Circuit de synchronisation de donnees
IT7848953A0 (it) Procedimento per il recupero di te reftalonitrile da soluzioni
IT1091125B (it) Procedimento per depurare epsilon-caprolattame