CA2345749A1 - Loudspeakers - Google Patents

Loudspeakers Download PDF

Info

Publication number
CA2345749A1
CA2345749A1 CA002345749A CA2345749A CA2345749A1 CA 2345749 A1 CA2345749 A1 CA 2345749A1 CA 002345749 A CA002345749 A CA 002345749A CA 2345749 A CA2345749 A CA 2345749A CA 2345749 A1 CA2345749 A1 CA 2345749A1
Authority
CA
Canada
Prior art keywords
panel
form member
drive unit
unit according
loudspeaker drive
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.)
Abandoned
Application number
CA002345749A
Other languages
English (en)
French (fr)
Inventor
Henry Azima
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.)
NVF Tech Ltd
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
Publication of CA2345749A1 publication Critical patent/CA2345749A1/en
Abandoned 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
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/06—Loudspeakers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/16—Mounting or tensioning of diaphragms or cones
    • H04R7/18—Mounting or tensioning of diaphragms or cones at the periphery
    • H04R7/20—Securing diaphragm or cone resiliently to support by flexible material, springs, cords, or strands
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/04—Plane diaphragms
    • H04R7/045—Plane diaphragms using the distributed mode principle, i.e. whereby the acoustic radiation is emanated from uniformly distributed free bending wave vibration induced in a stiff panel and not from pistonic motion
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H04R9/04—Construction, mounting, or centering of coil
CA002345749A 1998-10-13 1999-10-12 Loudspeakers Abandoned CA2345749A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GBGB9822246.6A GB9822246D0 (en) 1998-10-13 1998-10-13 Loudspeakers
GB9822246.6 1998-10-13
PCT/GB1999/003209 WO2000022877A1 (en) 1998-10-13 1999-10-12 Resonant panel loudspeakers

Publications (1)

Publication Number Publication Date
CA2345749A1 true CA2345749A1 (en) 2000-04-20

Family

ID=10840427

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002345749A Abandoned CA2345749A1 (en) 1998-10-13 1999-10-12 Loudspeakers

Country Status (12)

Country Link
EP (1) EP1121833A1 (de)
JP (1) JP2002528019A (de)
KR (1) KR20010075442A (de)
CN (1) CN1319320A (de)
AU (1) AU6213999A (de)
BR (1) BR9914147A (de)
CA (1) CA2345749A1 (de)
GB (2) GB9822246D0 (de)
IL (1) IL141966A0 (de)
TW (1) TW462206B (de)
WO (1) WO2000022877A1 (de)
ZA (1) ZA200101978B (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU7388200A (en) 1999-07-23 2001-02-13 Digital Sonics, Llc Flat panel speaker
US6751329B2 (en) 2000-09-21 2004-06-15 New Transducers Limited Loudspeaker driver
GB0023134D0 (en) * 2000-09-21 2000-11-01 New Transducers Ltd Loudspeaker driver
US7120263B2 (en) 2001-03-23 2006-10-10 New Transducers Limited Bending wave acoustic radiator
GB2386790B (en) * 2001-03-23 2004-08-18 New Transducers Ltd Bending wave acoustic radiator
US7002070B2 (en) 2001-06-22 2006-02-21 Shelley Katz Electronic piano
US7062051B2 (en) 2001-08-17 2006-06-13 New Transducers Limited Acoustic device
CN1759635A (zh) * 2003-01-22 2006-04-12 谢利·卡茨 用于再现声音的装置和方法
DE10326761A1 (de) * 2003-06-13 2005-01-27 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Lautsprecher
JP2006279284A (ja) * 2005-03-28 2006-10-12 Kenwood Corp スクリーンスピーカ
JP2007322606A (ja) * 2006-05-31 2007-12-13 Kawai Musical Instr Mfg Co Ltd 楽音装置及び楽音装置の生産方法
JP2009260763A (ja) * 2008-04-18 2009-11-05 Panasonic Corp 平板スピーカ
GB0811015D0 (en) * 2008-06-17 2008-07-23 Deben Acoustics Improved acoustic device
WO2010007335A1 (en) * 2008-07-17 2010-01-21 New Transducers Limited Inertial vibration exciter
CN101674517B (zh) * 2009-09-25 2012-08-29 广东长虹电子有限公司 一种发声装置
JP5909169B2 (ja) * 2012-09-25 2016-04-26 京セラ株式会社 音響発生器、音響発生装置および電子機器
GB2568282B (en) 2017-11-10 2020-11-25 Amina Tech Limited Flat panel loudspeaker
KR102625724B1 (ko) * 2018-10-05 2024-01-15 엘지디스플레이 주식회사 표시장치
FR3110162B1 (fr) * 2020-05-13 2022-05-27 Saint Gobain Vitrage avec excitateur audio

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3247925A (en) * 1962-03-08 1966-04-26 Lord Corp Loudspeaker
US4284167A (en) * 1979-06-04 1981-08-18 Electronic Research Assoc., Inc. Sound reproducing device
US4928312A (en) * 1988-10-17 1990-05-22 Amel Hill Acoustic transducer
FI94203C (fi) * 1991-11-25 1995-07-25 Anturilaakso Oy Kaiutin
UA51671C2 (uk) * 1995-09-02 2002-12-16 Нью Транзд'Юсез Лімітед Акустичний пристрій
GB9701983D0 (en) * 1997-01-31 1997-03-19 New Transducers Ltd Electro-dynamic exciter
PL334440A1 (en) * 1997-01-09 2000-02-28 New Transducers Ltd Loudspeaker
EP2178307B1 (de) * 1998-01-16 2013-11-27 Sony Corporation Lautsprecher und elektronisches Gerät unter Verwendung eines Lautsprechers

Also Published As

Publication number Publication date
GB0105807D0 (en) 2001-04-25
CN1319320A (zh) 2001-10-24
WO2000022877A1 (en) 2000-04-20
KR20010075442A (ko) 2001-08-09
JP2002528019A (ja) 2002-08-27
IL141966A0 (en) 2002-03-10
EP1121833A1 (de) 2001-08-08
WO2000022877A8 (en) 2000-05-25
BR9914147A (pt) 2001-06-26
TW462206B (en) 2001-11-01
GB2357215A (en) 2001-06-13
AU6213999A (en) 2000-05-01
GB9822246D0 (en) 1998-12-09
ZA200101978B (en) 2001-09-11

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Legal Events

Date Code Title Description
FZDE Discontinued