GB2245798B - Extensible acoustic enclosure - Google Patents

Extensible acoustic enclosure

Info

Publication number
GB2245798B
GB2245798B GB9014534A GB9014534A GB2245798B GB 2245798 B GB2245798 B GB 2245798B GB 9014534 A GB9014534 A GB 9014534A GB 9014534 A GB9014534 A GB 9014534A GB 2245798 B GB2245798 B GB 2245798B
Authority
GB
United Kingdom
Prior art keywords
extensible
acoustic enclosure
enclosure
acoustic
extensible acoustic
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
GB9014534A
Other versions
GB9014534D0 (en
GB2245798A (en
Inventor
Ye-Ming Tsao
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 GB9014534A priority Critical patent/GB2245798B/en
Priority to JP18781490A priority patent/JPH0472997A/en
Publication of GB9014534D0 publication Critical patent/GB9014534D0/en
Priority to FR9110058A priority patent/FR2680295A1/en
Publication of GB2245798A publication Critical patent/GB2245798A/en
Application granted granted Critical
Publication of GB2245798B publication Critical patent/GB2245798B/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
    • H04R5/00—Stereophonic arrangements
    • H04R5/02—Spatial or constructional arrangements of loudspeakers
    • 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
    • H04R1/2811—Enclosures comprising vibrating or resonating arrangements for loudspeaker transducers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
  • Casings For Electric Apparatus (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
GB9014534A 1990-06-29 1990-06-29 Extensible acoustic enclosure Expired - Fee Related GB2245798B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB9014534A GB2245798B (en) 1990-06-29 1990-06-29 Extensible acoustic enclosure
JP18781490A JPH0472997A (en) 1990-06-29 1990-07-15 Expansion type speaker box
FR9110058A FR2680295A1 (en) 1990-06-29 1991-08-07 Retractable and foldable equipment for sending out audible sounds

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9014534A GB2245798B (en) 1990-06-29 1990-06-29 Extensible acoustic enclosure

Publications (3)

Publication Number Publication Date
GB9014534D0 GB9014534D0 (en) 1990-08-22
GB2245798A GB2245798A (en) 1992-01-08
GB2245798B true GB2245798B (en) 1994-06-15

Family

ID=10678446

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9014534A Expired - Fee Related GB2245798B (en) 1990-06-29 1990-06-29 Extensible acoustic enclosure

Country Status (3)

Country Link
JP (1) JPH0472997A (en)
FR (1) FR2680295A1 (en)
GB (1) GB2245798B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103596084A (en) * 2012-08-17 2014-02-19 刘骏涛 Miniature sound box with telescopic resonance cavity
CN103634713A (en) * 2012-08-20 2014-03-12 刘骏涛 Miniature sound box with telescopic resonance cavity

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5550926A (en) * 1994-09-08 1996-08-27 Tsao; Ye-Ming Overlap sound case
EP1207717A1 (en) * 2000-11-16 2002-05-22 Thomson Licensing S.A. Electronic device with variable sound chamber
GB2412267B (en) * 2004-03-17 2006-11-22 Plastoform Ind Ltd Speaker
WO2005104608A1 (en) * 2004-04-20 2005-11-03 Koninklijke Philips Electronics N.V. A portable speaker device
US8345909B2 (en) 2008-04-03 2013-01-01 Bose Corporation Loudspeaker assembly
CN102763433A (en) * 2009-10-30 2012-10-31 欧特科技有限公司 Telescopic loudspeaker
CN103596080A (en) * 2012-08-15 2014-02-19 刘骏涛 Miniature sound box provided with telescopic resonance cavity
CN103813224A (en) * 2012-11-12 2014-05-21 新加坡振源科技私人有限公司 Telescopic soundbox
CN203167186U (en) * 2013-01-30 2013-08-28 威立达数码科技(深圳)有限公司 Loudspeaker box
GB2536903A (en) * 2015-03-30 2016-10-05 Alpha Wave Audio Ltd Side-mount speakers
EP3490269A1 (en) * 2017-11-23 2019-05-29 Johannes Mascher Loudspeaker enclosure
TWI731384B (en) * 2019-08-07 2021-06-21 緯創資通股份有限公司 Speaker device and related acoustic deflecting module

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB308801A (en) * 1928-04-28 1930-08-25 Francois Xavier Louis Henry Ma Improvements in sound reproducing apparatus, such as loud-speaking telephonic receivers
EP0008274A1 (en) * 1978-08-16 1980-02-20 Dominique Launay Unidirectional acoustical enclosure
GB2066619A (en) * 1979-12-18 1981-07-08 Pearce P J Loudspeaker cabinet

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3943564A (en) * 1975-06-05 1976-03-09 Superscope, Inc. Stereophonic recording and playback apparatus
SU623271A1 (en) * 1976-01-08 1978-07-05 Shchepetinshchikov Lev N Loudspeaker acoustic case
JPS53120396A (en) * 1977-03-30 1978-10-20 Hitachi Ltd Chemical laser device
JPS56125192A (en) * 1980-03-07 1981-10-01 Olympus Optical Co Ltd Tape recorder for stereo
DE3139893A1 (en) * 1980-10-09 1982-07-08 Mitsubishi Denki K.K., Tokyo PORTABLE ACOUSTIC DEVICE
FR2494535A1 (en) * 1980-11-19 1982-05-21 Denoisie Michel Exponential acoustic diffuser with telescopic parts - has two slidably interconnected parts forming part of exponential radiator
JPS59114992A (en) * 1982-12-21 1984-07-03 Oki Electric Ind Co Ltd Path setting system of time division channel
DE3347158A1 (en) * 1983-12-27 1985-07-04 Seidler, Wolfgang, 4600 Dortmund Loudspeaker box
US4535870A (en) * 1984-11-15 1985-08-20 General Electric Company Quick attach-detach mechanism for audio components

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB308801A (en) * 1928-04-28 1930-08-25 Francois Xavier Louis Henry Ma Improvements in sound reproducing apparatus, such as loud-speaking telephonic receivers
EP0008274A1 (en) * 1978-08-16 1980-02-20 Dominique Launay Unidirectional acoustical enclosure
GB2066619A (en) * 1979-12-18 1981-07-08 Pearce P J Loudspeaker cabinet

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103596084A (en) * 2012-08-17 2014-02-19 刘骏涛 Miniature sound box with telescopic resonance cavity
CN103634713A (en) * 2012-08-20 2014-03-12 刘骏涛 Miniature sound box with telescopic resonance cavity

Also Published As

Publication number Publication date
GB9014534D0 (en) 1990-08-22
GB2245798A (en) 1992-01-08
JPH0472997A (en) 1992-03-06
FR2680295A1 (en) 1993-02-12

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Legal Events

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

Effective date: 19950629