GB2045578B - Speaker device - Google Patents

Speaker device

Info

Publication number
GB2045578B
GB2045578B GB7909529A GB7909529A GB2045578B GB 2045578 B GB2045578 B GB 2045578B GB 7909529 A GB7909529 A GB 7909529A GB 7909529 A GB7909529 A GB 7909529A GB 2045578 B GB2045578 B GB 2045578B
Authority
GB
United Kingdom
Prior art keywords
speaker device
speaker
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
GB7909529A
Other versions
GB2045578A (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 R P LASIS D A BALODIS I
Rudzitis A A
Original Assignee
KERNO R P LASIS D A BALODIS I
Rudzitis A A
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 R P LASIS D A BALODIS I, Rudzitis A A filed Critical KERNO R P LASIS D A BALODIS I
Publication of GB2045578A publication Critical patent/GB2045578A/en
Application granted granted Critical
Publication of GB2045578B publication Critical patent/GB2045578B/en
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
    • H04R1/2815—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)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Building Environments (AREA)
GB7909529A 1978-08-11 1979-03-19 Speaker device Expired GB2045578B (en)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
GB2045578A GB2045578A (en) 1980-10-29
GB2045578B true GB2045578B (en) 1983-05-05

Family

ID=20778840

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7909529A Expired GB2045578B (en) 1978-08-11 1979-03-19 Speaker device

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)

Families Citing this family (10)

* 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
EP0334238B1 (en) * 1988-03-25 1994-11-30 Yamaha Corporation Acoustic Apparatus
EP0361445A3 (en) * 1988-09-28 1991-05-22 Yamaha Corporation Acoustic apparatus
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

Family Cites Families (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

Also Published As

Publication number Publication date
GR66647B (en) 1981-04-07
FI790850A (en) 1980-02-12
DE2911849C3 (en) 1981-12-17
FR2433268B1 (en) 1983-05-06
GB2045578A (en) 1980-10-29
FR2433268A1 (en) 1980-03-07
DE2911849B2 (en) 1981-03-12
DE2911849A1 (en) 1980-03-20

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee