FR591147A - Transmetteur, amplificateur et translateur téléphonique - Google Patents

Transmetteur, amplificateur et translateur téléphonique

Info

Publication number
FR591147A
FR591147A FR591147DA FR591147A FR 591147 A FR591147 A FR 591147A FR 591147D A FR591147D A FR 591147DA FR 591147 A FR591147 A FR 591147A
Authority
FR
France
Prior art keywords
transmitter
amplifier
telephone translator
translator
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
English (en)
Inventor
Henry-Harbison-Chase Dunwoody
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 FR591147A publication Critical patent/FR591147A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F13/00—Amplifiers using amplifying element consisting of two mechanically- or acoustically-coupled transducers, e.g. telephone-microphone amplifier

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
FR591147D 1924-12-08 1924-12-08 Transmetteur, amplificateur et translateur téléphonique Expired FR591147A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR591147T 1924-12-08

Publications (1)

Publication Number Publication Date
FR591147A true FR591147A (fr) 1925-06-29

Family

ID=8963937

Family Applications (1)

Application Number Title Priority Date Filing Date
FR591147D Expired FR591147A (fr) 1924-12-08 1924-12-08 Transmetteur, amplificateur et translateur téléphonique

Country Status (1)

Country Link
FR (1) FR591147A (fr)

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