FR739681A - - Google Patents

Info

Publication number
FR739681A
FR739681A FR739681DA FR739681A FR 739681 A FR739681 A FR 739681A FR 739681D A FR739681D A FR 739681DA FR 739681 A FR739681 A FR 739681A
Authority
FR
France
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
French (fr)
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 FR739681A publication Critical patent/FR739681A/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
    • H04R1/2853—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
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/08—Non-electric sound-amplifying devices, e.g. non-electric megaphones
    • 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
    • H04R1/2838—Enclosures comprising vibrating or resonating arrangements of the bandpass type
    • H04R1/2842—Enclosures comprising vibrating or resonating arrangements of the bandpass type for loudspeaker transducers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Signal Processing (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
FR739681D 1932-06-03 1932-06-03 Expired FR739681A (el)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR403843X 1932-06-03

Publications (1)

Publication Number Publication Date
FR739681A true FR739681A (el) 1933-01-16

Family

ID=8897036

Family Applications (1)

Application Number Title Priority Date Filing Date
FR739681D Expired FR739681A (el) 1932-06-03 1932-06-03

Country Status (2)

Country Link
FR (1) FR739681A (el)
GB (1) GB403843A (el)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2213551A1 (el) * 1973-01-05 1974-08-02 Portela Seijo Juan
FR2459599A1 (fr) * 1979-06-14 1981-01-09 Lagarrigue Jacques Enceinte acoustique de salon a tuyaux
DE3843050A1 (de) * 1987-12-25 1989-07-06 Yamaha Corp Elektrischer akustikwandler

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3138257C2 (de) * 1981-09-25 1988-02-11 Brunnquell GmbH Fabrik elektrotechnischer Apparate, 8070 Ingolstadt Elektronischer Gong
GB2302231B (en) * 1995-03-14 1999-01-13 Matsushita Electric Ind Co Ltd Speaker system
US10419846B2 (en) 2015-05-07 2019-09-17 Acoustic 3D Holdings Ltd Acoustical diffusion manifold

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2213551A1 (el) * 1973-01-05 1974-08-02 Portela Seijo Juan
FR2459599A1 (fr) * 1979-06-14 1981-01-09 Lagarrigue Jacques Enceinte acoustique de salon a tuyaux
DE3843050A1 (de) * 1987-12-25 1989-07-06 Yamaha Corp Elektrischer akustikwandler
DE3843050C2 (de) * 1987-12-25 1998-01-15 Yamaha Corp Elektrischer Akustikwandler

Also Published As

Publication number Publication date
GB403843A (en) 1934-01-04

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