FR1077527A - Amplified telephone set - Google Patents

Amplified telephone set

Info

Publication number
FR1077527A
FR1077527A FR1077527DA FR1077527A FR 1077527 A FR1077527 A FR 1077527A FR 1077527D A FR1077527D A FR 1077527DA FR 1077527 A FR1077527 A FR 1077527A
Authority
FR
France
Prior art keywords
telephone set
amplified telephone
amplified
telephone
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
Other languages
French (fr)
Inventor
Jules Jouin
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 FR1077527A publication Critical patent/FR1077527A/en
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
    • H04M1/6016—Substation equipment, e.g. for use by subscribers including speech amplifiers in the receiver circuit

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
FR1077527D 1952-11-18 1952-11-18 Amplified telephone set Expired FR1077527A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1077527T 1952-11-18

Publications (1)

Publication Number Publication Date
FR1077527A true FR1077527A (en) 1954-11-09

Family

ID=9608242

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1077527D Expired FR1077527A (en) 1952-11-18 1952-11-18 Amplified telephone set

Country Status (1)

Country Link
FR (1) FR1077527A (en)

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