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FR931952A - Haut-parleurs à diffusion en expansion circulaire - Google Patents

Haut-parleurs à diffusion en expansion circulaire

Info

Publication number
FR931952A
FR931952A FR931952DA FR931952A FR 931952 A FR931952 A FR 931952A FR 931952D A FR931952D A FR 931952DA FR 931952 A FR931952 A FR 931952A
Authority
FR
France
Prior art keywords
loudspeakers
circular expanding
expanding diffusion
diffusion
circular
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
Francois-Jules-Marce Blanchard
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 FR931952A publication Critical patent/FR931952A/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
    • H04R1/32—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

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR931952D 1946-08-05 1946-08-05 Haut-parleurs à diffusion en expansion circulaire Expired FR931952A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR931952T 1946-08-05

Publications (1)

Publication Number Publication Date
FR931952A true FR931952A (fr) 1948-03-09

Family

ID=9454930

Family Applications (1)

Application Number Title Priority Date Filing Date
FR931952D Expired FR931952A (fr) 1946-08-05 1946-08-05 Haut-parleurs à diffusion en expansion circulaire

Country Status (1)

Country Link
FR (1) FR931952A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1240762B (de) * 1964-11-12 1967-05-18 Mixo Sa Elektromagnetische Hupe mit einem spiralfoermig angeordneten Schallkanal
US4348549A (en) * 1978-02-06 1982-09-07 Emmanuel Berlant Loudspeaker system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1240762B (de) * 1964-11-12 1967-05-18 Mixo Sa Elektromagnetische Hupe mit einem spiralfoermig angeordneten Schallkanal
US4348549A (en) * 1978-02-06 1982-09-07 Emmanuel Berlant Loudspeaker system

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