FR1266436A - Microphone de haute puissance à transistor - Google Patents

Microphone de haute puissance à transistor

Info

Publication number
FR1266436A
FR1266436A FR837720A FR837720A FR1266436A FR 1266436 A FR1266436 A FR 1266436A FR 837720 A FR837720 A FR 837720A FR 837720 A FR837720 A FR 837720A FR 1266436 A FR1266436 A FR 1266436A
Authority
FR
France
Prior art keywords
high power
power transistor
microphone
transistor microphone
transistor
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
FR837720A
Other languages
English (en)
French (fr)
Inventor
Pedro D Alcantara Freire Netto
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
Priority to NL255459D priority Critical patent/NL255459A/xx
Application filed filed Critical
Priority to FR837720A priority patent/FR1266436A/fr
Application granted granted Critical
Publication of FR1266436A publication Critical patent/FR1266436A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/181—Low-frequency amplifiers, e.g. audio preamplifiers
    • H03F3/183—Low-frequency amplifiers, e.g. audio preamplifiers with semiconductor devices only

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Power Engineering (AREA)
FR837720A 1960-09-01 1960-09-01 Microphone de haute puissance à transistor Expired FR1266436A (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
NL255459D NL255459A (enExample) 1960-09-01
FR837720A FR1266436A (fr) 1960-09-01 1960-09-01 Microphone de haute puissance à transistor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR837720A FR1266436A (fr) 1960-09-01 1960-09-01 Microphone de haute puissance à transistor

Publications (1)

Publication Number Publication Date
FR1266436A true FR1266436A (fr) 1961-07-07

Family

ID=8738429

Family Applications (1)

Application Number Title Priority Date Filing Date
FR837720A Expired FR1266436A (fr) 1960-09-01 1960-09-01 Microphone de haute puissance à transistor

Country Status (2)

Country Link
FR (1) FR1266436A (enExample)
NL (1) NL255459A (enExample)

Also Published As

Publication number Publication date
NL255459A (enExample)

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