FR1331539A - Horn for telephone applications - Google Patents

Horn for telephone applications

Info

Publication number
FR1331539A
FR1331539A FR898646A FR898646A FR1331539A FR 1331539 A FR1331539 A FR 1331539A FR 898646 A FR898646 A FR 898646A FR 898646 A FR898646 A FR 898646A FR 1331539 A FR1331539 A FR 1331539A
Authority
FR
France
Prior art keywords
horn
telephone applications
telephone
applications
Prior art date
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
FR898646A
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 Materiel Electrique SW SA
Original Assignee
Le Materiel Electrique SW 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 Le Materiel Electrique SW SA filed Critical Le Materiel Electrique SW SA
Priority to FR898646A priority Critical patent/FR1331539A/en
Application granted granted Critical
Publication of FR1331539A publication Critical patent/FR1331539A/en
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)
FR898646A 1962-05-24 1962-05-24 Horn for telephone applications Expired FR1331539A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR898646A FR1331539A (en) 1962-05-24 1962-05-24 Horn for telephone applications

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR898646A FR1331539A (en) 1962-05-24 1962-05-24 Horn for telephone applications

Publications (1)

Publication Number Publication Date
FR1331539A true FR1331539A (en) 1963-07-05

Family

ID=8779698

Family Applications (1)

Application Number Title Priority Date Filing Date
FR898646A Expired FR1331539A (en) 1962-05-24 1962-05-24 Horn for telephone applications

Country Status (1)

Country Link
FR (1) FR1331539A (en)

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