TW479434B - Acoustic device - Google Patents

Acoustic device Download PDF

Info

Publication number
TW479434B
TW479434B TW089111418A TW89111418A TW479434B TW 479434 B TW479434 B TW 479434B TW 089111418 A TW089111418 A TW 089111418A TW 89111418 A TW89111418 A TW 89111418A TW 479434 B TW479434 B TW 479434B
Authority
TW
Taiwan
Prior art keywords
axis
plate
sound device
along
pattern
Prior art date
Application number
TW089111418A
Other languages
English (en)
Chinese (zh)
Inventor
Graham Bank
Neil Harris
Original Assignee
New Transducers Ltd
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 New Transducers Ltd filed Critical New Transducers Ltd
Application granted granted Critical
Publication of TW479434B publication Critical patent/TW479434B/zh

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
    • 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
    • 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
    • H04R1/40—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers
    • H04R1/403—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers loud-speakers
    • 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
    • H04R7/06—Plane diaphragms comprising a plurality of sections or layers

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
TW089111418A 1999-06-10 2000-06-12 Acoustic device TW479434B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9913465.2A GB9913465D0 (en) 1999-06-10 1999-06-10 Acoustic device

Publications (1)

Publication Number Publication Date
TW479434B true TW479434B (en) 2002-03-11

Family

ID=10855054

Family Applications (1)

Application Number Title Priority Date Filing Date
TW089111418A TW479434B (en) 1999-06-10 2000-06-12 Acoustic device

Country Status (10)

Country Link
EP (1) EP1186203B1 (fr)
JP (1) JP2003501982A (fr)
CN (1) CN1261002C (fr)
AU (1) AU5089600A (fr)
DE (1) DE60004045T2 (fr)
GB (1) GB9913465D0 (fr)
HK (1) HK1040875B (fr)
NZ (1) NZ515328A (fr)
TW (1) TW479434B (fr)
WO (1) WO2000078090A2 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7120263B2 (en) 2001-03-23 2006-10-10 New Transducers Limited Bending wave acoustic radiator
CN100551133C (zh) * 2001-03-23 2009-10-14 新型转换器有限公司 弯曲波声音辐射器
GB0123932D0 (en) * 2001-10-05 2001-11-28 New Transducers Ltd Loudspeakers
GB0317331D0 (en) * 2003-07-24 2003-08-27 New Transducers Ltd Acoustic device
JP5545083B2 (ja) * 2010-07-07 2014-07-09 ソニー株式会社 スピーカ装置
EP3195617A1 (fr) * 2014-09-19 2017-07-26 Corning Incorporated Haut-parleurs à panneau mince

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1132593B (de) * 1965-04-05 1962-07-05 Bolt Beranek & Newman Akustisch wirksame Platte, insbesondere zur Ankopplung an einen elektroakustischen Wandler
UA51671C2 (uk) * 1995-09-02 2002-12-16 Нью Транзд'Юсез Лімітед Акустичний пристрій
TW450011B (en) * 1998-02-10 2001-08-11 New Transducers Ltd Acoustic devices

Also Published As

Publication number Publication date
DE60004045T2 (de) 2004-05-06
DE60004045D1 (de) 2003-08-28
EP1186203A2 (fr) 2002-03-13
AU5089600A (en) 2001-01-02
WO2000078090A2 (fr) 2000-12-21
CN1356015A (zh) 2002-06-26
GB9913465D0 (en) 1999-08-11
EP1186203B1 (fr) 2003-07-23
CN1261002C (zh) 2006-06-21
HK1040875B (zh) 2003-10-17
NZ515328A (en) 2002-04-26
JP2003501982A (ja) 2003-01-14
HK1040875A1 (en) 2002-06-21
WO2000078090A3 (fr) 2001-07-12

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Legal Events

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GD4A Issue of patent certificate for granted invention patent
MK4A Expiration of patent term of an invention patent