FR2433268A1 - IMPROVEMENTS IN OR RELATING TO ACOUSTIC DEVICES OF THE ACOUSTIC SPEAKER TYPE - Google Patents

IMPROVEMENTS IN OR RELATING TO ACOUSTIC DEVICES OF THE ACOUSTIC SPEAKER TYPE

Info

Publication number
FR2433268A1
FR2433268A1 FR7920021A FR7920021A FR2433268A1 FR 2433268 A1 FR2433268 A1 FR 2433268A1 FR 7920021 A FR7920021 A FR 7920021A FR 7920021 A FR7920021 A FR 7920021A FR 2433268 A1 FR2433268 A1 FR 2433268A1
Authority
FR
France
Prior art keywords
acoustic
relating
speaker type
devices
sheath
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.)
Granted
Application number
FR7920021A
Other languages
French (fr)
Other versions
FR2433268B1 (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
KERNO ROLAND
Original Assignee
KERNO ROLAND
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 by KERNO ROLAND filed Critical KERNO ROLAND
Publication of FR2433268A1 publication Critical patent/FR2433268A1/en
Application granted granted Critical
Publication of FR2433268B1 publication Critical patent/FR2433268B1/fr
Granted 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
    • H04R1/2815—Enclosures comprising vibrating or resonating arrangements of the bass reflex type
    • H04R1/2819—Enclosures comprising vibrating or resonating arrangements of the bass reflex type for loudspeaker transducers
    • 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
    • H04R1/2869—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself
    • H04R1/2876—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself by means of damping material, e.g. as cladding
    • H04R1/288—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself by means of damping material, e.g. as cladding for loudspeaker transducers

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
  • Building Environments (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)

Abstract

La présente invention concerne un dispositif acoustique. Le dispositif acoustique comprend un boîtier 1, dans lequel sont montées une tête de haut-parleur 2 et une gaine 3, les parois 4 de la gaine 3 étant réalisées en matière élastique poreuse. Application : radiodiffusion, radiophonographie, enregistrement-reproduction.The present invention relates to an acoustic device. The acoustic device comprises a housing 1, in which are mounted a loudspeaker head 2 and a sheath 3, the walls 4 of the sheath 3 being made of porous elastic material. Application: broadcasting, radiophonography, recording-reproduction.

FR7920021A 1978-08-11 1979-08-03 IMPROVEMENTS IN OR RELATING TO ACOUSTIC DEVICES OF THE ACOUSTIC SPEAKER TYPE Granted FR2433268A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU2648740 1978-08-11

Publications (2)

Publication Number Publication Date
FR2433268A1 true FR2433268A1 (en) 1980-03-07
FR2433268B1 FR2433268B1 (en) 1983-05-06

Family

ID=20778840

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7920021A Granted FR2433268A1 (en) 1978-08-11 1979-08-03 IMPROVEMENTS IN OR RELATING TO ACOUSTIC DEVICES OF THE ACOUSTIC SPEAKER TYPE

Country Status (5)

Country Link
DE (1) DE2911849C3 (en)
FI (1) FI790850A (en)
FR (1) FR2433268A1 (en)
GB (1) GB2045578B (en)
GR (1) GR66647B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0334238A2 (en) * 1988-03-25 1989-09-27 Yamaha Corporation Acoustic Apparatus
EP0361445A2 (en) * 1988-09-28 1990-04-04 Yamaha Corporation Acoustic apparatus

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3113281A1 (en) * 1981-04-02 1982-10-21 Standard Elektrik Lorenz Ag, 7000 Stuttgart Loudspeaker box constructed as a bass reflex enclosure
DE3920060A1 (en) * 1989-06-20 1991-01-03 Mb Electronic Gmbh Loudspeaker housing with acoustically damped resonator opening
DE3920041C1 (en) * 1989-06-20 1990-12-06 Amneus Engineering, Vaellingby, Se
DE9005642U1 (en) * 1990-05-18 1990-08-02 Salzburg, Herbert, Dr., 5000 Köln Resonance housing for installing loudspeakers
GB2318475B (en) * 1996-10-21 2000-08-23 B & W Loudspeakers Enclosures for loudspeaker drive units
US5892183A (en) * 1997-07-26 1999-04-06 U.S. Philips Corporation Loudspeaker system having a bass-reflex port
IT1399292B1 (en) * 2009-11-17 2013-04-11 Sonus Faber S P A PROJECT CLAIM FOR THE RESONANCE ROOMS AGREEMENT IN SPEAKER SYSTEMS.
GB2523143B (en) * 2014-02-14 2021-04-28 Gp Acoustics Uk Ltd Loudspeaker bass reflex system

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB747263A (en) * 1953-05-21 1956-03-28 Goodmans Ind Ltd Improvements in or relating to loudspeaker cabinets
FR2334259A1 (en) * 1975-12-01 1977-07-01 Art Acoustique Appliquee Open labyrinth acoustic cabinet - has sectional sound pipe with fibre glass filter producing linear low frequency response
FR2414275A1 (en) * 1978-01-06 1979-08-03 Chalambeau Max Acoustic enclosure for loudspeaker - has two chambers linked by internal opening and both communicating with atmosphere via shared pipe

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB747263A (en) * 1953-05-21 1956-03-28 Goodmans Ind Ltd Improvements in or relating to loudspeaker cabinets
FR2334259A1 (en) * 1975-12-01 1977-07-01 Art Acoustique Appliquee Open labyrinth acoustic cabinet - has sectional sound pipe with fibre glass filter producing linear low frequency response
FR2414275A1 (en) * 1978-01-06 1979-08-03 Chalambeau Max Acoustic enclosure for loudspeaker - has two chambers linked by internal opening and both communicating with atmosphere via shared pipe

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0334238A2 (en) * 1988-03-25 1989-09-27 Yamaha Corporation Acoustic Apparatus
EP0334238A3 (en) * 1988-03-25 1991-01-30 Yamaha Corporation Acoustic apparatus
US5173575A (en) * 1988-03-25 1992-12-22 Yamaha Corporation Acoustic apparatus
EP0361445A2 (en) * 1988-09-28 1990-04-04 Yamaha Corporation Acoustic apparatus
EP0361445A3 (en) * 1988-09-28 1991-05-22 Yamaha Corporation Acoustic apparatus
US5109422A (en) * 1988-09-28 1992-04-28 Yamaha Corporation Acoustic apparatus

Also Published As

Publication number Publication date
GB2045578A (en) 1980-10-29
GB2045578B (en) 1983-05-05
DE2911849B2 (en) 1981-03-12
GR66647B (en) 1981-04-07
FR2433268B1 (en) 1983-05-06
FI790850A (en) 1980-02-12
DE2911849A1 (en) 1980-03-20
DE2911849C3 (en) 1981-12-17

Similar Documents

Publication Publication Date Title
FR2345048A1 (en) ELECTRO-ACOUSTIC TRANSDUCER MEMBRANE
ES519895A0 (en) AN ELECTRO-ACOUSTIC TRANSDUCER.
FR2407635A1 (en) SPEAKER DEVICE
EP0064553A4 (en) Electro-acoustic transducers.
ES492684A0 (en) AN ACOUSTIC TRANSDUCER DEVICE
EP0314419A3 (en) Electro-acoustic transducer
KR880700608A (en) Ear microphone (EAR MICROPHONE)
ES2043845T3 (en) ANTI-MOISTURE BARRIER SET.
NL7903908A (en) ELECTRO-ACOUSTIC TRANSDUCER.
FR2433268A1 (en) IMPROVEMENTS IN OR RELATING TO ACOUSTIC DEVICES OF THE ACOUSTIC SPEAKER TYPE
ATE155305T1 (en) ACOUSTIC ISOLATOR FOR THE MICROPHONE OF A TELEPHONE HANDSET
FR2433880B1 (en) SPEAKER DIAPHRAGM
ES552833A0 (en) AN ELECTRET TRANSDUCER.
DK242787D0 (en) HOLDS TO A SOUND TRANSDUCER, ISA A SOUND
FR2494988B1 (en) IMPROVEMENTS ON HEARING AID DEVICES
IT8119889A0 (en) ACOUSTIC TRANSDUCER.
NL191225C (en) Electro-acoustic transducer.
ES496947A0 (en) AN ELECTROACOUSTIC TRANSDUCER
FR2345047A1 (en) SOUND REPRODUCTION SYSTEMS
ES265211Y (en) SUPPORT DEVICE TO HOLD AN ELECTROACOUSTIC TRANSDUCER IN THE EAR.
ATE11478T1 (en) PIEZOELECTRICAL TONE TRANSDUCER.
NL7703582A (en) ELECTRO-ACOUSTIC TRANSDUCER.
FR2563626B1 (en) IMPROVEMENTS ON VIBRATING BLADE TRANSDUCERS
IT1154054B (en) ELECTROACOUSTIC TRANSDUCER
SU546253A1 (en) Apparatus for studying the sound-conducting system of the middle and internal ear

Legal Events

Date Code Title Description
ST Notification of lapse