FR53280E - Haut parleur anti-tourbillonnaire - Google Patents

Haut parleur anti-tourbillonnaire

Info

Publication number
FR53280E
FR53280E FR53280DA FR53280E FR 53280 E FR53280 E FR 53280E FR 53280D A FR53280D A FR 53280DA FR 53280 E FR53280 E FR 53280E
Authority
FR
France
Prior art keywords
vortex
speaker
vortex 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
Andre-Marie-Bernard Charlin
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 FR53280E publication Critical patent/FR53280E/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
    • 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
    • H04R7/122—Non-planar diaphragms or cones comprising a plurality of sections or layers
    • 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
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/34—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means
    • H04R1/345—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means for loudspeakers

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
FR53280D 1943-10-07 1943-10-07 Haut parleur anti-tourbillonnaire Expired FR53280E (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR53280T 1943-10-07

Publications (1)

Publication Number Publication Date
FR53280E true FR53280E (fr) 1945-10-03

Family

ID=8687858

Family Applications (2)

Application Number Title Priority Date Filing Date
FR868717D Expired FR868717A (fr) 1943-10-07 1939-04-05 Haut-parleur anti-tourbillonnaire
FR53280D Expired FR53280E (fr) 1943-10-07 1943-10-07 Haut parleur anti-tourbillonnaire

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR868717D Expired FR868717A (fr) 1943-10-07 1939-04-05 Haut-parleur anti-tourbillonnaire

Country Status (1)

Country Link
FR (2) FR868717A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL267133A (fr) * 1960-07-15

Also Published As

Publication number Publication date
FR868717A (fr) 1942-01-14

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