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FI57858C - Anordning foer aotskiljning och/eller alstring av signaler som indikerar reserveringslaeget pao bestaellarens telefonlinje och/eller funktionsupplysning - Google Patents

Anordning foer aotskiljning och/eller alstring av signaler som indikerar reserveringslaeget pao bestaellarens telefonlinje och/eller funktionsupplysning Download PDF

Info

Publication number
FI57858C
FI57858C FI352470A FI352470A FI57858C FI 57858 C FI57858 C FI 57858C FI 352470 A FI352470 A FI 352470A FI 352470 A FI352470 A FI 352470A FI 57858 C FI57858 C FI 57858C
Authority
FI
Finland
Prior art keywords
output
input
gate
amplifier
ports
Prior art date
Application number
FI352470A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI57858B (fi
Inventor
Werner Meyer-Graap
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 FI57858B publication Critical patent/FI57858B/fi
Application granted granted Critical
Publication of FI57858C publication Critical patent/FI57858C/fi

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)
FI352470A 1970-02-09 1970-12-31 Anordning foer aotskiljning och/eller alstring av signaler som indikerar reserveringslaeget pao bestaellarens telefonlinje och/eller funktionsupplysning FI57858C (fi)

Applications Claiming Priority (2)

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
CH187070 1970-02-09

Publications (2)

Publication Number Publication Date
FI57858B FI57858B (fi) 1980-06-30
FI57858C true FI57858C (fi) 1980-10-10

Family

ID=4220514

Family Applications (1)

Application Number Title Priority Date Filing Date
FI352470A FI57858C (fi) 1970-02-09 1970-12-31 Anordning foer aotskiljning och/eller alstring av signaler som indikerar reserveringslaeget pao bestaellarens telefonlinje och/eller funktionsupplysning

Country Status (7)

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

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
NO133864B (no) 1976-03-29
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
SE418237B (sv) 1981-05-11
NO133864C (no) 1976-07-14
DE2101052C3 (de) 1979-01-18

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