FR2171594A5 - - Google Patents

Info

Publication number
FR2171594A5
FR2171594A5 FR7204108A FR7204108A FR2171594A5 FR 2171594 A5 FR2171594 A5 FR 2171594A5 FR 7204108 A FR7204108 A FR 7204108A FR 7204108 A FR7204108 A FR 7204108A FR 2171594 A5 FR2171594 A5 FR 2171594A5
Authority
FR
France
Legal status (The legal status 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 status listed.)
Expired
Application number
FR7204108A
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Thales SA
Original Assignee
CSF Compagnie Generale de Telegraphie sans Fil SA
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 CSF Compagnie Generale de Telegraphie sans Fil SA filed Critical CSF Compagnie Generale de Telegraphie sans Fil SA
Priority to FR7204108A priority Critical patent/FR2171594A5/fr
Priority to GB507973A priority patent/GB1386193A/en
Priority to DE19732305594 priority patent/DE2305594B2/de
Application granted granted Critical
Publication of FR2171594A5 publication Critical patent/FR2171594A5/fr
Expired legal-status Critical Current

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
    • H04M19/026—Arrangements for interrupting the ringing current

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Devices For Supply Of Signal Current (AREA)
FR7204108A 1972-02-08 1972-02-08 Expired FR2171594A5 (enExample)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR7204108A FR2171594A5 (enExample) 1972-02-08 1972-02-08
GB507973A GB1386193A (en) 1972-02-08 1973-02-01 Ringing trip circuit
DE19732305594 DE2305594B2 (de) 1972-02-08 1973-02-05 Schaltungsanordnung zur rufabschaltung in fernsprechvermittlungsanlagen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7204108A FR2171594A5 (enExample) 1972-02-08 1972-02-08

Publications (1)

Publication Number Publication Date
FR2171594A5 true FR2171594A5 (enExample) 1973-09-21

Family

ID=9093144

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7204108A Expired FR2171594A5 (enExample) 1972-02-08 1972-02-08

Country Status (3)

Country Link
DE (1) DE2305594B2 (enExample)
FR (1) FR2171594A5 (enExample)
GB (1) GB1386193A (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE7512060L (sv) * 1974-11-07 1976-05-10 Western Electric Co Anordning for att i en telekommunikationsanleggning patrycka och detektera ringsignaler over en anropad linje
DE3001497C2 (de) * 1980-01-17 1981-11-26 Telefonbau Und Normalzeit Gmbh, 6000 Frankfurt Schaltungsanordnung zum Erkennen der Teilnehmermeldung in Fernsprechvermittlungsanlagen
US4447675A (en) * 1982-10-29 1984-05-08 Bell Telephone Laboratories, Incorporated Ring-trip detector
DE4326894C2 (de) * 1993-08-11 1997-01-30 Sel Alcatel Ag Schaltungsanordnung zur Rufspannungsabschaltung in einer elektronischen Teilnehmerschaltung

Also Published As

Publication number Publication date
DE2305594B2 (de) 1976-10-21
DE2305594A1 (de) 1973-08-16
GB1386193A (en) 1975-03-05

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse