FR809478A - Haut-parleur perfectionné - Google Patents

Haut-parleur perfectionné

Info

Publication number
FR809478A
FR809478A FR809478DA FR809478A FR 809478 A FR809478 A FR 809478A FR 809478D A FR809478D A FR 809478DA FR 809478 A FR809478 A FR 809478A
Authority
FR
France
Prior art keywords
advanced speaker
speaker
advanced
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
Georges Lakhovsky
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 FR809478A publication Critical patent/FR809478A/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; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/12—Non-planar diaphragms or cones

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR809478D 1935-11-26 1935-11-26 Haut-parleur perfectionné Expired FR809478A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR809478T 1935-11-26

Publications (1)

Publication Number Publication Date
FR809478A true FR809478A (fr) 1937-03-03

Family

ID=9253551

Family Applications (1)

Application Number Title Priority Date Filing Date
FR809478D Expired FR809478A (fr) 1935-11-26 1935-11-26 Haut-parleur perfectionné

Country Status (1)

Country Link
FR (1) FR809478A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2768235A (en) * 1950-07-14 1956-10-23 Baldwin Piano Co Reverberation devices

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2768235A (en) * 1950-07-14 1956-10-23 Baldwin Piano Co Reverberation devices

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