FR1252089A - Amplificateur téléphonique - Google Patents

Amplificateur téléphonique

Info

Publication number
FR1252089A
FR1252089A FR812923A FR812923A FR1252089A FR 1252089 A FR1252089 A FR 1252089A FR 812923 A FR812923 A FR 812923A FR 812923 A FR812923 A FR 812923A FR 1252089 A FR1252089 A FR 1252089A
Authority
FR
France
Prior art keywords
telephone amplifier
telephone
amplifier
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
FR812923A
Other languages
English (en)
Inventor
Jean Rideau
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
Priority to FR812923A priority Critical patent/FR1252089A/fr
Application granted granted Critical
Publication of FR1252089A publication Critical patent/FR1252089A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/60—Substation equipment, e.g. for use by subscribers including speech amplifiers
    • H04M1/62—Constructional arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
FR812923A 1959-12-12 1959-12-12 Amplificateur téléphonique Expired FR1252089A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR812923A FR1252089A (fr) 1959-12-12 1959-12-12 Amplificateur téléphonique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR812923A FR1252089A (fr) 1959-12-12 1959-12-12 Amplificateur téléphonique

Publications (1)

Publication Number Publication Date
FR1252089A true FR1252089A (fr) 1961-01-27

Family

ID=8722533

Family Applications (1)

Application Number Title Priority Date Filing Date
FR812923A Expired FR1252089A (fr) 1959-12-12 1959-12-12 Amplificateur téléphonique

Country Status (1)

Country Link
FR (1) FR1252089A (fr)

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