GB8721451D0 - Audio system - Google Patents

Audio system

Info

Publication number
GB8721451D0
GB8721451D0 GB878721451A GB8721451A GB8721451D0 GB 8721451 D0 GB8721451 D0 GB 8721451D0 GB 878721451 A GB878721451 A GB 878721451A GB 8721451 A GB8721451 A GB 8721451A GB 8721451 D0 GB8721451 D0 GB 8721451D0
Authority
GB
United Kingdom
Prior art keywords
audio system
audio
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
GB878721451A
Other versions
GB2195218A (en
GB2195218B (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.)
Sharp Corp
Original Assignee
Sharp Corp
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 Sharp Corp filed Critical Sharp Corp
Publication of GB8721451D0 publication Critical patent/GB8721451D0/en
Publication of GB2195218A publication Critical patent/GB2195218A/en
Application granted granted Critical
Publication of GB2195218B publication Critical patent/GB2195218B/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/34—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means
    • H04R1/345—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means for loudspeakers
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Circuit For Audible Band Transducer (AREA)
GB8721451A 1986-09-13 1987-09-11 Speaker unit Expired - Lifetime GB2195218B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61216219A JPH0724439B2 (en) 1986-09-13 1986-09-13 Audio equipment

Publications (3)

Publication Number Publication Date
GB8721451D0 true GB8721451D0 (en) 1987-10-21
GB2195218A GB2195218A (en) 1988-03-30
GB2195218B GB2195218B (en) 1990-02-21

Family

ID=16685142

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8721451A Expired - Lifetime GB2195218B (en) 1986-09-13 1987-09-11 Speaker unit

Country Status (5)

Country Link
JP (1) JPH0724439B2 (en)
KR (1) KR910006469B1 (en)
AU (1) AU593683B2 (en)
GB (1) GB2195218B (en)
HK (1) HK79391A (en)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0724439B2 (en) * 1986-09-13 1995-03-15 シャープ株式会社 Audio equipment
JPH0260389U (en) * 1988-10-27 1990-05-02
JP2771003B2 (en) * 1990-01-23 1998-07-02 キヤノン株式会社 Audio mirror speaker
WO1992007449A1 (en) * 1990-10-17 1992-04-30 Canon Research Centre Europe Ltd Sound output device
JPH04132796U (en) * 1991-05-31 1992-12-09 株式会社ケンウツド omnidirectional speaker system
US5268538A (en) * 1991-06-12 1993-12-07 Sonic Systems, Inc. Hemispherically wide-radiating-angle loudspeaker system
DE9205731U1 (en) * 1992-04-29 1992-08-20 Schoor, Bodo, 3404 Adelebsen Speaker arrangement
GB2269959B (en) * 1992-08-19 1996-03-06 Canon Audio Ltd Sound output
DE69431391T2 (en) * 1993-12-16 2003-05-15 Kabushiki Kaisha Toshiba, Kawasaki Speaker system for television sets
US6257365B1 (en) 1996-08-30 2001-07-10 Mediaphile Av Technologies, Inc. Cone reflector/coupler speaker system and method
DE19716315C2 (en) * 1997-04-18 2002-06-13 Heinz Juergen Augustin Omnidirectional loudspeaker system
US6254888B1 (en) 2000-01-28 2001-07-03 Boehringer Ingelheim Pharmaceuticals, Inc. Method for coating pharmaceutical dosage forms
DE10231491B4 (en) * 2002-07-12 2005-01-27 Thomas Wolff Device for converting sound waves into electrical signals
KR101368036B1 (en) * 2007-10-09 2014-02-26 엘지전자 주식회사 Speaker apparatus
RU2550769C2 (en) * 2010-07-30 2015-05-10 Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. Headrest speaker arrangement
WO2012017518A1 (en) * 2010-08-03 2012-02-09 パイオニア株式会社 Speaker system
JP5656791B2 (en) * 2011-09-29 2015-01-21 株式会社オーディオテクニカ Horn type speaker
KR101340045B1 (en) * 2012-10-17 2013-12-10 (주) 루스케이프 Sound device
JP2014086757A (en) * 2012-10-19 2014-05-12 Pioneer Electronic Corp Sound controller and sound control method
CN109275065B (en) * 2017-07-17 2024-05-14 宁波升亚电子有限公司 Loudspeaker with sound wave steering structure, sound wave steering structure and sound effect reproduction method thereof
TWI678930B (en) * 2018-08-09 2019-12-01 緯創資通股份有限公司 Diffuser for sound wave and speaker

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL52281C (en) * 1937-11-10
US2982372A (en) * 1957-05-16 1961-05-02 Benjamin W Lowell Loud speaker baffle having improved low frequency reproduction characteristics
US3819005A (en) * 1973-01-22 1974-06-25 J Westlund Loudspeaker cabinet with sound reflectors
JPS5133962A (en) * 1974-09-17 1976-03-23 Matsushita Electric Ind Co Ltd
IT1086464B (en) * 1977-09-06 1985-05-28 Selmin Sas METHOD AND DEVICES FOR OMNIDIRECTIONAL IRRADIATION OF SOUND WAVES
JPS57191191U (en) * 1981-05-29 1982-12-03
JPS59121991U (en) * 1983-02-03 1984-08-16 パイオニア株式会社 Omnidirectional speaker system
WO1985001176A1 (en) * 1983-09-06 1985-03-14 Henry Oliver Wolcott Loudspeaker structure
GB2184323A (en) * 1985-12-12 1987-06-17 Midlen Trading Corp Loudspeaker system
JPH0724439B2 (en) * 1986-09-13 1995-03-15 シャープ株式会社 Audio equipment

Also Published As

Publication number Publication date
JPH0724439B2 (en) 1995-03-15
HK79391A (en) 1991-10-18
KR880004715A (en) 1988-06-07
AU7828887A (en) 1988-03-17
GB2195218A (en) 1988-03-30
GB2195218B (en) 1990-02-21
JPS6372299A (en) 1988-04-01
AU593683B2 (en) 1990-02-15
KR910006469B1 (en) 1991-08-26

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