GB2350966B - Loudspeaker cabinet and microphone housing internal energy control treatment - Google Patents

Loudspeaker cabinet and microphone housing internal energy control treatment

Info

Publication number
GB2350966B
GB2350966B GB9913472A GB9913472A GB2350966B GB 2350966 B GB2350966 B GB 2350966B GB 9913472 A GB9913472 A GB 9913472A GB 9913472 A GB9913472 A GB 9913472A GB 2350966 B GB2350966 B GB 2350966B
Authority
GB
United Kingdom
Prior art keywords
energy control
internal energy
control treatment
housing internal
microphone housing
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 - Fee Related
Application number
GB9913472A
Other versions
GB2350966A (en
GB9913472D0 (en
Inventor
Stefan Gamble
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB9913472A priority Critical patent/GB2350966B/en
Publication of GB9913472D0 publication Critical patent/GB9913472D0/en
Publication of GB2350966A publication Critical patent/GB2350966A/en
Application granted granted Critical
Publication of GB2350966B publication Critical patent/GB2350966B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H04R1/2869—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
    • 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)
GB9913472A 1999-06-10 1999-06-10 Loudspeaker cabinet and microphone housing internal energy control treatment Expired - Fee Related GB2350966B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9913472A GB2350966B (en) 1999-06-10 1999-06-10 Loudspeaker cabinet and microphone housing internal energy control treatment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9913472A GB2350966B (en) 1999-06-10 1999-06-10 Loudspeaker cabinet and microphone housing internal energy control treatment

Publications (3)

Publication Number Publication Date
GB9913472D0 GB9913472D0 (en) 1999-08-11
GB2350966A GB2350966A (en) 2000-12-13
GB2350966B true GB2350966B (en) 2001-08-22

Family

ID=10855061

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9913472A Expired - Fee Related GB2350966B (en) 1999-06-10 1999-06-10 Loudspeaker cabinet and microphone housing internal energy control treatment

Country Status (1)

Country Link
GB (1) GB2350966B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2826827B1 (en) * 2001-06-28 2004-11-12 Xavier Andre Francois Biget HYBRID ACOUSTIC SYSTEM

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB461073A (en) * 1934-06-04 1937-02-03 Jensen Radio Mfg Company Improvements in electro-dynamic sound reproducers
GB547922A (en) * 1940-07-17 1942-09-17 Standard Telephones Cables Ltd Sound absorbing apparatus
GB747263A (en) * 1953-05-21 1956-03-28 Goodmans Ind Ltd Improvements in or relating to loudspeaker cabinets
GB1538847A (en) * 1975-01-22 1979-01-24 Rank Organisation Ltd Transducers
US4139076A (en) * 1978-01-30 1979-02-13 Hruby Jr John O Loudspeaker enclosure with enhanched bass response
US4592444A (en) * 1983-02-28 1986-06-03 Perrigo Stephen M Low frequency speaker enclosure
WO1996006514A1 (en) * 1994-08-23 1996-02-29 Polk Investment Corporation Ported loudspeaker system and method with reduced air turbulence
WO1996031106A1 (en) * 1995-03-28 1996-10-03 The Round Company Helmholtz resonator loudspeaker

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB461073A (en) * 1934-06-04 1937-02-03 Jensen Radio Mfg Company Improvements in electro-dynamic sound reproducers
GB547922A (en) * 1940-07-17 1942-09-17 Standard Telephones Cables Ltd Sound absorbing apparatus
GB747263A (en) * 1953-05-21 1956-03-28 Goodmans Ind Ltd Improvements in or relating to loudspeaker cabinets
GB1538847A (en) * 1975-01-22 1979-01-24 Rank Organisation Ltd Transducers
US4139076A (en) * 1978-01-30 1979-02-13 Hruby Jr John O Loudspeaker enclosure with enhanched bass response
US4592444A (en) * 1983-02-28 1986-06-03 Perrigo Stephen M Low frequency speaker enclosure
WO1996006514A1 (en) * 1994-08-23 1996-02-29 Polk Investment Corporation Ported loudspeaker system and method with reduced air turbulence
WO1996031106A1 (en) * 1995-03-28 1996-10-03 The Round Company Helmholtz resonator loudspeaker

Also Published As

Publication number Publication date
GB2350966A (en) 2000-12-13
GB9913472D0 (en) 1999-08-11

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Legal Events

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

Effective date: 20060610