FR765912A - Système amplificateur microphonique sans lampes - Google Patents

Système amplificateur microphonique sans lampes

Info

Publication number
FR765912A
FR765912A FR765912DA FR765912A FR 765912 A FR765912 A FR 765912A FR 765912D A FR765912D A FR 765912DA FR 765912 A FR765912 A FR 765912A
Authority
FR
France
Prior art keywords
lamps
amplifier system
microphone amplifier
microphone
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
Other languages
English (en)
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.)
ALE International SAS
Original Assignee
La Telephone Industrielle et Commerciale Telic Alcatel 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 La Telephone Industrielle et Commerciale Telic Alcatel SA filed Critical La Telephone Industrielle et Commerciale Telic Alcatel SA
Application granted granted Critical
Publication of FR765912A publication Critical patent/FR765912A/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)
FR765912D 1933-12-22 1933-12-22 Système amplificateur microphonique sans lampes Expired FR765912A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR765912T 1933-12-22

Publications (1)

Publication Number Publication Date
FR765912A true FR765912A (fr) 1934-06-18

Family

ID=9182999

Family Applications (1)

Application Number Title Priority Date Filing Date
FR765912D Expired FR765912A (fr) 1933-12-22 1933-12-22 Système amplificateur microphonique sans lampes

Country Status (1)

Country Link
FR (1) FR765912A (fr)

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