FR807943A - Appareil acoustique - Google Patents

Appareil acoustique

Info

Publication number
FR807943A
FR807943A FR807943DA FR807943A FR 807943 A FR807943 A FR 807943A FR 807943D A FR807943D A FR 807943DA FR 807943 A FR807943 A FR 807943A
Authority
FR
France
Prior art keywords
acoustic device
acoustic
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
Jarnak
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 FR807943A publication Critical patent/FR807943A/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
    • H04R1/22—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
    • H04R1/2811—Enclosures comprising vibrating or resonating arrangements for loudspeaker transducers

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR807943D 1935-06-12 1936-06-10 Appareil acoustique Expired FR807943A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DK807943X 1935-06-12

Publications (1)

Publication Number Publication Date
FR807943A true FR807943A (fr) 1937-01-25

Family

ID=8152902

Family Applications (1)

Application Number Title Priority Date Filing Date
FR807943D Expired FR807943A (fr) 1935-06-12 1936-06-10 Appareil acoustique

Country Status (1)

Country Link
FR (1) FR807943A (fr)

Similar Documents

Publication Publication Date Title
FR777801A (fr) Appareil radio-électrique
FR802990A (fr) Appareil à dessiner
FR770109A (fr) Appareil acoustique
FR804770A (fr) Appareil de reproduction de sons
FR804389A (fr) Appareil de reproduction de sons
FR798408A (fr) Appareil de nettoyage
FR767359A (fr) Appareil horaire synchrone
FR792815A (fr) Appareil de physiothérapie
FR813717A (fr) Appareil acoustique
FR795087A (fr) Appareil de manutention
FR794469A (fr) Appareil refroidisseur
FR805297A (fr) Appareil de massage
FR807943A (fr) Appareil acoustique
FR844527A (fr) Appareil imprimeur
FR793901A (fr) Appareil mélangeur
FR758453A (fr) Appareil hélico-agitateur
FR761581A (fr) Appareil hydroglisseur
FR799822A (fr) Appareil phonographique
FR735152A (fr) Appareil ausculto-percuteur
FR757185A (fr) Appareil antifumée
FR801064A (fr) Appareil photo-électrique
FR791856A (fr) Appareil cryptographique
FR794237A (fr) Appareil de nettoyage
FR788212A (fr) Appareil de massage
FR766188A (fr) Appareil phonophotographique