FR82257E - - Google Patents

Info

Publication number
FR82257E
FR82257E FR893614A FR893614A FR82257E FR 82257 E FR82257 E FR 82257E FR 893614 A FR893614 A FR 893614A FR 893614 A FR893614 A FR 893614A FR 82257 E FR82257 E FR 82257E
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
FR893614A
Other languages
French (fr)
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
Priority claimed from AT102860A external-priority patent/AT233634B/de
Priority claimed from AT283161A external-priority patent/AT227789B/de
Application filed filed Critical
Application granted granted Critical
Publication of FR82257E publication Critical patent/FR82257E/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
    • H04M19/04—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
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/001—Two-way communication systems between a limited number of parties
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/04—Arrangements for interconnection not involving centralised switching involving a separate line for each pair of parties

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
FR893614A 1960-02-10 1962-04-06 Expired FR82257E (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT102860A AT233634B (de) 1960-02-10 1960-02-10 Schaltungsanordnung für eine Wechselsprechanlage
AT283161A AT227789B (de) 1961-04-08 1961-04-08 Schaltungsanordnung für ein Übertragungssystem von Schallereignissen

Publications (1)

Publication Number Publication Date
FR82257E true FR82257E (fi) 1964-04-13

Family

ID=25594637

Family Applications (1)

Application Number Title Priority Date Filing Date
FR893614A Expired FR82257E (fi) 1960-02-10 1962-04-06

Country Status (1)

Country Link
FR (1) FR82257E (fi)

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