FR647064A - Haut-parleur à membrane et cônes combinés - Google Patents

Haut-parleur à membrane et cônes combinés

Info

Publication number
FR647064A
FR647064A FR647064DA FR647064A FR 647064 A FR647064 A FR 647064A FR 647064D A FR647064D A FR 647064DA FR 647064 A FR647064 A FR 647064A
Authority
FR
France
Prior art keywords
cone speaker
combined membrane
membrane
combined
speaker
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
Robert Ablard
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 FR647064A publication Critical patent/FR647064A/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
    • 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 
    • H04R1/227—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only  using transducers reproducing the same frequency band

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR647064D 1928-01-14 1928-01-14 Haut-parleur à membrane et cônes combinés Expired FR647064A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR647064T 1928-01-14

Publications (1)

Publication Number Publication Date
FR647064A true FR647064A (fr) 1928-11-20

Family

ID=9001826

Family Applications (1)

Application Number Title Priority Date Filing Date
FR647064D Expired FR647064A (fr) 1928-01-14 1928-01-14 Haut-parleur à membrane et cônes combinés

Country Status (1)

Country Link
FR (1) FR647064A (fr)

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