NO881198L - Koblingsanordning for aa frembringe et anropssignal for etterminalapparat i et digitalt telefonnett. - Google Patents

Koblingsanordning for aa frembringe et anropssignal for etterminalapparat i et digitalt telefonnett.

Info

Publication number
NO881198L
NO881198L NO881198A NO881198A NO881198L NO 881198 L NO881198 L NO 881198L NO 881198 A NO881198 A NO 881198A NO 881198 A NO881198 A NO 881198A NO 881198 L NO881198 L NO 881198L
Authority
NO
Norway
Prior art keywords
switching
signal
interface
control circuit
specified
Prior art date
Application number
NO881198A
Other languages
English (en)
Norwegian (no)
Other versions
NO881198D0 (no
Inventor
Ruediger Duening
Manfred Weber
Original Assignee
Kuke Kg Fritz
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 Kuke Kg Fritz filed Critical Kuke Kg Fritz
Publication of NO881198D0 publication Critical patent/NO881198D0/no
Publication of NO881198L publication Critical patent/NO881198L/no

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M19/00—Current supply arrangements for telephone systems
    • H04M19/02—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone
    • H04M19/04—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone the ringing-current being generated at the substations
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/18—Electrical details
    • H04Q1/30—Signalling arrangements; Manipulation of signalling currents
    • H04Q1/38—Signalling arrangements; Manipulation of signalling currents using combinations of direct currents of different amplitudes or polarities over line conductors or combination of line conductors

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Telephonic Communication Services (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Telephone Function (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
NO881198A 1987-03-19 1988-03-18 Koblingsanordning for aa frembringe et anropssignal for etterminalapparat i et digitalt telefonnett. NO881198L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19873709012 DE3709012A1 (de) 1987-03-19 1987-03-19 Schaltungsanordnung zur signalisierung eines anrufes fuer ein in ein digitales fernsprechnetz geschaltetes endgeraet

Publications (2)

Publication Number Publication Date
NO881198D0 NO881198D0 (no) 1988-03-18
NO881198L true NO881198L (no) 1988-09-20

Family

ID=6323506

Family Applications (1)

Application Number Title Priority Date Filing Date
NO881198A NO881198L (no) 1987-03-19 1988-03-18 Koblingsanordning for aa frembringe et anropssignal for etterminalapparat i et digitalt telefonnett.

Country Status (3)

Country Link
EP (1) EP0283429A3 (fr)
DE (1) DE3709012A1 (fr)
NO (1) NO881198L (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3716140A1 (de) * 1987-05-14 1988-11-24 Rutenbeck Wilhelm Gmbh & Co Starkstromanschlussrelais (sar) fuer nach dem isdn-system betriebene fernsprechnetze
JP2820955B2 (ja) * 1989-04-27 1998-11-05 株式会社リコー 網制御装置
DE4113758C2 (de) * 1991-04-26 1994-04-28 Siemens Ag Schaltungsanordnung für eine transistorisierte Fernsprechstation mit Zweitwecker
DE4214125C1 (de) * 1992-04-29 1993-10-21 Siemens Ag Verfahren zur Pegel- und Frequenzüberwachung bei der Übertragung von leitungsgebundenen Signalen für signalabhängige Vorgänge, insbesondere Tonrufeingangssignale zur Auslösung eines Tonrufes in Fernsprechendgeräten
DE4425824C2 (de) * 1994-07-08 1997-01-30 Deutsche Telephonwerk Kabel Vollelektronischer, einpoliger Schalter
DE19612485A1 (de) * 1996-03-29 1997-10-02 Deutsche Telekom Ag Vorrichtung zum externen Anschalten wenigstens einer Zusatzeinrichtung an eine digitale Telekommunikationseinrichtung

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2758542A1 (de) * 1977-12-23 1979-06-28 Elmeg Amtsanruf-schaltung
DE2831125C2 (de) * 1978-07-12 1980-07-03 Bezet-Werk Hermann Buchholz Gmbh, 1000 Berlin Verfahren zum optischen Anzeigen des Telefonrufes und Schaltung zur Durchführung des Verfahrens
GB2064268B (en) * 1979-09-17 1983-10-26 Philips Nv Electronic signalling device for connection to a signal transmission line
DE3000278C2 (de) * 1980-01-05 1986-05-28 Neumann Elektronik GmbH, 4330 Mülheim Elektrooptischer Wecker
US4467144A (en) * 1982-04-08 1984-08-21 Amf Incorporated Telephone annuciator extender
DE3541547A1 (de) * 1985-11-25 1987-05-27 Ant Nachrichtentech Rufspannungsauswertung
DE3612684A1 (de) * 1986-04-15 1987-10-22 Heilmeier & Weinlein Hydraulische steuervorrichtung
DE3716140A1 (de) * 1987-05-14 1988-11-24 Rutenbeck Wilhelm Gmbh & Co Starkstromanschlussrelais (sar) fuer nach dem isdn-system betriebene fernsprechnetze

Also Published As

Publication number Publication date
DE3709012A1 (de) 1988-09-29
EP0283429A3 (fr) 1990-05-09
EP0283429A2 (fr) 1988-09-21
NO881198D0 (no) 1988-03-18

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