FR1581035A - - Google Patents

Info

Publication number
FR1581035A
FR1581035A FR1581035DA FR1581035A FR 1581035 A FR1581035 A FR 1581035A FR 1581035D A FR1581035D A FR 1581035DA FR 1581035 A FR1581035 A FR 1581035A
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
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 FR1581035A publication Critical patent/FR1581035A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
FR1581035D 1968-07-08 1968-07-08 Expired FR1581035A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR158344 1968-07-08

Publications (1)

Publication Number Publication Date
FR1581035A true FR1581035A (en) 1969-09-12

Family

ID=8652235

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1581035D Expired FR1581035A (en) 1968-07-08 1968-07-08

Country Status (1)

Country Link
FR (1) FR1581035A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2235556A1 (en) * 1973-06-28 1975-01-24 Person Jean Michel

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2235556A1 (en) * 1973-06-28 1975-01-24 Person Jean Michel

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Legal Events

Date Code Title Description
ST Notification of lapse