FR622774A - Method and device for the transformation of electric oscillations into acoustic oscillations - Google Patents

Method and device for the transformation of electric oscillations into acoustic oscillations

Info

Publication number
FR622774A
FR622774A FR622774DA FR622774A FR 622774 A FR622774 A FR 622774A FR 622774D A FR622774D A FR 622774DA FR 622774 A FR622774 A FR 622774A
Authority
FR
France
Prior art keywords
oscillations
transformation
electric
acoustic
acoustic oscillations
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
Bohumil Jirotka
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 FR622774A publication Critical patent/FR622774A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R23/00—Transducers other than those covered by groups H04R9/00 - H04R21/00

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR622774D 1925-11-09 1926-09-25 Method and device for the transformation of electric oscillations into acoustic oscillations Expired FR622774A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE622774X 1925-11-09

Publications (1)

Publication Number Publication Date
FR622774A true FR622774A (en) 1927-06-07

Family

ID=6577756

Family Applications (1)

Application Number Title Priority Date Filing Date
FR622774D Expired FR622774A (en) 1925-11-09 1926-09-25 Method and device for the transformation of electric oscillations into acoustic oscillations

Country Status (1)

Country Link
FR (1) FR622774A (en)

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