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NO133864B - - Google Patents

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Info

Publication number
NO133864B
NO133864B NO485570A NO485570A NO133864B NO 133864 B NO133864 B NO 133864B NO 485570 A NO485570 A NO 485570A NO 485570 A NO485570 A NO 485570A NO 133864 B NO133864 B NO 133864B
Authority
NO
Norway
Prior art keywords
output
gate
input
group
amplifier
Prior art date
Application number
NO485570A
Other languages
English (en)
Norwegian (no)
Other versions
NO133864C (fi
Inventor
W Meyer-Grap
Original Assignee
Zellweger Uster 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
Application filed by Zellweger Uster Ag filed Critical Zellweger Uster Ag
Publication of NO133864B publication Critical patent/NO133864B/no
Publication of NO133864C publication Critical patent/NO133864C/no

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Telephonic Communication Services (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
NO485570A 1970-02-09 1970-12-17 NO133864C (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH187070A CH520453A (de) 1970-02-09 1970-02-09 Verfahren und Vorrichtung zur Bildung von Signalen, welche den Belegungszustand und/oder Dienstsignale auf einer Teilnehmerleitung anzeigen

Publications (2)

Publication Number Publication Date
NO133864B true NO133864B (fi) 1976-03-29
NO133864C NO133864C (fi) 1976-07-14

Family

ID=4220514

Family Applications (1)

Application Number Title Priority Date Filing Date
NO485570A NO133864C (fi) 1970-02-09 1970-12-17

Country Status (7)

Country Link
CH (1) CH520453A (fi)
DE (1) DE2101052C3 (fi)
ES (1) ES388102A1 (fi)
FI (1) FI57858C (fi)
GB (1) GB1327673A (fi)
NO (1) NO133864C (fi)
SE (1) SE418237B (fi)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19609233B4 (de) * 1996-03-09 2005-09-01 Deutsche Telekom Ag Verfahren zur Erzeugung eines Steuersignals in einem Impulswahlverfahren für eine öffentliche Vermittlungsstelle
DE102005025410A1 (de) * 2005-06-02 2006-12-07 Siemens Ag Verfahren und Testeinrichtung zur Überprüfung der Übertragung eines eine bestimmte Frequenz aufweisenden Gebührenimpulses

Also Published As

Publication number Publication date
FI57858B (fi) 1980-06-30
CH520453A (de) 1972-03-15
GB1327673A (en) 1973-08-22
DE2101052B2 (de) 1978-05-24
DE2101052A1 (de) 1971-08-19
ES388102A1 (es) 1973-05-01
FI57858C (fi) 1980-10-10
SE418237B (sv) 1981-05-11
NO133864C (fi) 1976-07-14
DE2101052C3 (de) 1979-01-18

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