FR919116A - Acoustic furniture - Google Patents

Acoustic furniture

Info

Publication number
FR919116A
FR919116A FR919116DA FR919116A FR 919116 A FR919116 A FR 919116A FR 919116D A FR919116D A FR 919116DA FR 919116 A FR919116 A FR 919116A
Authority
FR
France
Prior art keywords
furniture
acoustic
acoustic furniture
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
Adolphe Huart-Ledant
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 FR919116A publication Critical patent/FR919116A/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
    • 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 
    • H04R1/30—Combinations of transducers with horns, e.g. with mechanical matching means, i.e. front-loaded horns

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR919116D 1945-12-18 1945-12-18 Acoustic furniture Expired FR919116A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR919116T 1945-12-18

Publications (1)

Publication Number Publication Date
FR919116A true FR919116A (en) 1947-02-27

Family

ID=9424845

Family Applications (1)

Application Number Title Priority Date Filing Date
FR919116D Expired FR919116A (en) 1945-12-18 1945-12-18 Acoustic furniture

Country Status (1)

Country Link
FR (1) FR919116A (en)

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