FR690133A - Appareil orthophone pour émissions de sons - Google Patents

Appareil orthophone pour émissions de sons

Info

Publication number
FR690133A
FR690133A FR690133DA FR690133A FR 690133 A FR690133 A FR 690133A FR 690133D A FR690133D A FR 690133DA FR 690133 A FR690133 A FR 690133A
Authority
FR
France
Prior art keywords
orthophone
sound emissions
emissions
sound
orthophone device
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
Eugene-Marie-Fernand Desbrier
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 FR690133A publication Critical patent/FR690133A/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
    • H04R7/04—Plane diaphragms
    • H04R7/06—Plane diaphragms comprising a plurality of sections or layers
    • H04R7/08—Plane diaphragms comprising a plurality of sections or layers comprising superposed layers separated by air or other fluid
    • 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
    • H04R1/283—Enclosures comprising vibrating or resonating arrangements using a passive diaphragm
    • H04R1/2834—Enclosures comprising vibrating or resonating arrangements using a passive diaphragm for loudspeaker transducers

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Multimedia (AREA)
FR690133D 1930-02-18 1930-02-18 Appareil orthophone pour émissions de sons Expired FR690133A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR690133T 1930-02-18

Publications (1)

Publication Number Publication Date
FR690133A true FR690133A (fr) 1930-09-16

Family

ID=9028151

Family Applications (1)

Application Number Title Priority Date Filing Date
FR690133D Expired FR690133A (fr) 1930-02-18 1930-02-18 Appareil orthophone pour émissions de sons

Country Status (1)

Country Link
FR (1) FR690133A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1074651B (de) * 1956-03-08 1960-02-04 Deutsche Post Betnebslaboratorium fur Rundfunk und Fernsehen Ber Im Adlershof Anordnung zur Er zielung der Erweiterung des Frequenz bereiches in Richtung der tieferen Frc quenzen bei akustischen Strahlern

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1074651B (de) * 1956-03-08 1960-02-04 Deutsche Post Betnebslaboratorium fur Rundfunk und Fernsehen Ber Im Adlershof Anordnung zur Er zielung der Erweiterung des Frequenz bereiches in Richtung der tieferen Frc quenzen bei akustischen Strahlern

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