FR1288163A - - Google Patents

Info

Publication number
FR1288163A
FR1288163A FR852051A FR852051A FR1288163A FR 1288163 A FR1288163 A FR 1288163A FR 852051 A FR852051 A FR 852051A FR 852051 A FR852051 A FR 852051A FR 1288163 A FR1288163 A FR 1288163A
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
FR852051A
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
Application filed filed Critical
Application granted granted Critical
Publication of FR1288163A publication Critical patent/FR1288163A/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)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
FR852051A 1960-02-10 1961-02-08 Expired FR1288163A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT102860A AT233634B (de) 1960-02-10 1960-02-10 Schaltungsanordnung für eine Wechselsprechanlage

Publications (1)

Publication Number Publication Date
FR1288163A true FR1288163A (ja) 1962-02-12

Family

ID=3505113

Family Applications (1)

Application Number Title Priority Date Filing Date
FR852051A Expired FR1288163A (ja) 1960-02-10 1961-02-08

Country Status (5)

Country Link
AT (1) AT233634B (ja)
BE (1) BE600001A (ja)
CH (1) CH388390A (ja)
DE (1) DE1164503B (ja)
FR (1) FR1288163A (ja)

Also Published As

Publication number Publication date
AT233634B (de) 1964-05-25
CH388390A (de) 1965-02-28
DE1164503B (de) 1964-03-05
BE600001A (fr) 1961-05-29

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