FR2120374A5 - - Google Patents

Info

Publication number
FR2120374A5
FR2120374A5 FR7047438A FR7047438A FR2120374A5 FR 2120374 A5 FR2120374 A5 FR 2120374A5 FR 7047438 A FR7047438 A FR 7047438A FR 7047438 A FR7047438 A FR 7047438A FR 2120374 A5 FR2120374 A5 FR 2120374A5
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
FR7047438A
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.)
LE DORH MAURICE
Original Assignee
LE DORH MAURICE
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 LE DORH MAURICE filed Critical LE DORH MAURICE
Priority to FR7047438A priority Critical patent/FR2120374A5/fr
Application granted granted Critical
Publication of FR2120374A5 publication Critical patent/FR2120374A5/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)
FR7047438A 1970-12-31 1970-12-31 Expired FR2120374A5 (https=)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7047438A FR2120374A5 (https=) 1970-12-31 1970-12-31

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7047438A FR2120374A5 (https=) 1970-12-31 1970-12-31

Publications (1)

Publication Number Publication Date
FR2120374A5 true FR2120374A5 (https=) 1972-08-18

Family

ID=9066648

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7047438A Expired FR2120374A5 (https=) 1970-12-31 1970-12-31

Country Status (1)

Country Link
FR (1) FR2120374A5 (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2534755A1 (fr) * 1982-10-15 1984-04-20 Telephonie Ind Commerciale Interface d'entree pour poste telephonique

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2534755A1 (fr) * 1982-10-15 1984-04-20 Telephonie Ind Commerciale Interface d'entree pour poste telephonique

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Legal Events

Date Code Title Description
ST Notification of lapse