FR644248A - Diffuseurs à résonnance - Google Patents

Diffuseurs à résonnance

Info

Publication number
FR644248A
FR644248A FR644248DA FR644248A FR 644248 A FR644248 A FR 644248A FR 644248D A FR644248D A FR 644248DA FR 644248 A FR644248 A FR 644248A
Authority
FR
France
Prior art keywords
diffusers
resonance
resonance diffusers
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
Louis-Claude Golliard
Leopold Jacottet
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 FR644248A publication Critical patent/FR644248A/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 
    • H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
    • H04R1/2807—Enclosures comprising vibrating or resonating arrangements
    • H04R1/2853—Enclosures comprising vibrating or resonating arrangements using an acoustic labyrinth or a transmission line
    • H04R1/2857—Enclosures comprising vibrating or resonating arrangements using an acoustic labyrinth or a transmission line for loudspeaker transducers

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR644248D 1927-04-28 1927-04-28 Diffuseurs à résonnance Expired FR644248A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR644248T 1927-04-28

Publications (1)

Publication Number Publication Date
FR644248A true FR644248A (fr) 1928-10-04

Family

ID=9000025

Family Applications (1)

Application Number Title Priority Date Filing Date
FR644248D Expired FR644248A (fr) 1927-04-28 1927-04-28 Diffuseurs à résonnance

Country Status (1)

Country Link
FR (1) FR644248A (fr)

Similar Documents

Publication Publication Date Title
FR640762A (fr) Ventilateur à main
FR644248A (fr) Diffuseurs à résonnance
FR633101A (fr) Calandre
FR629229A (fr) Piège à taupes
FR631961A (fr) Sélecteur à air
FR629146A (fr) Trieur à tamis préalable rapporté
FR655420A (fr) Transporteur à raclettes
FR659560A (fr) Compresseur à étages
FR662428A (fr) Grille à chaînes
FR662429A (fr) Grille à chaînes
FR678122A (fr) Diffuseur acoustique à dièdres croisés
FR661266A (fr) Filmpack photographique
FR655082A (fr) Esthésiomètre à oscillations entretenues
FR652499A (fr) Rabot à taupinières
FR641382A (fr) Fixation des broches
FR641381A (fr) Fixation des broches
FR628851A (fr) Botteleuse-lieuse à monte-charge
FR645398A (fr) Rabot à rail
FR676108A (fr) Meuble à combinaisons
FR33428E (fr) Bride à ranchets
FR685057A (fr) Couloir à secousses
FR643418A (fr) Boîte à outils
FR645372A (fr) Couloir à secousses
FR625267A (fr) Ventilateur à hélices multiples
FR652469A (fr) Poêle transportable à thermosyphon