FR925096A - Filtre acoustique - Google Patents

Filtre acoustique

Info

Publication number
FR925096A
FR925096A FR925096DA FR925096A FR 925096 A FR925096 A FR 925096A FR 925096D A FR925096D A FR 925096DA FR 925096 A FR925096 A FR 925096A
Authority
FR
France
Prior art keywords
acoustic filter
acoustic
filter
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
Louis-Yvon Pector
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 FR925096A publication Critical patent/FR925096A/fr
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
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/222—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only  for microphones

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR925096D 1946-03-21 1946-03-21 Filtre acoustique Expired FR925096A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR925096T 1946-03-21

Publications (1)

Publication Number Publication Date
FR925096A true FR925096A (fr) 1947-08-25

Family

ID=9439842

Family Applications (1)

Application Number Title Priority Date Filing Date
FR925096D Expired FR925096A (fr) 1946-03-21 1946-03-21 Filtre acoustique

Country Status (1)

Country Link
FR (1) FR925096A (fr)

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