DE60004813D1 - PLATE SHAPED BENDING SHAFT SPEAKERS - Google Patents

PLATE SHAPED BENDING SHAFT SPEAKERS

Info

Publication number
DE60004813D1
DE60004813D1 DE60004813T DE60004813T DE60004813D1 DE 60004813 D1 DE60004813 D1 DE 60004813D1 DE 60004813 T DE60004813 T DE 60004813T DE 60004813 T DE60004813 T DE 60004813T DE 60004813 D1 DE60004813 D1 DE 60004813D1
Authority
DE
Germany
Prior art keywords
speakers
plate shaped
shaped bending
bending shaft
shaft
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
DE60004813T
Other languages
German (de)
Other versions
DE60004813T2 (en
Inventor
Graham Bank
Julian Fordham
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
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 DE60004813D1 publication Critical patent/DE60004813D1/en
Publication of DE60004813T2 publication Critical patent/DE60004813T2/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
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/06—Loudspeakers
    • H04R9/066—Loudspeakers using the principle of inertia
    • 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
    • H04R7/12—Non-planar diaphragms or cones
    • H04R7/127—Non-planar diaphragms or cones dome-shaped
    • 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
    • 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
    • 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
    • H04R7/12—Non-planar diaphragms or cones
    • H04R7/122—Non-planar diaphragms or cones comprising a plurality of sections or layers

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
DE60004813T 1999-04-27 2000-04-27 PLATE-SHAPED BENDING SHAFT SPEAKERS Expired - Fee Related DE60004813T2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB9909535 1999-04-27
GBGB9909535.8A GB9909535D0 (en) 1999-04-27 1999-04-27 Loudspeakers
PCT/GB2000/001459 WO2000065869A2 (en) 1999-04-27 2000-04-27 Bending-wave panel loudspeakers

Publications (2)

Publication Number Publication Date
DE60004813D1 true DE60004813D1 (en) 2003-10-02
DE60004813T2 DE60004813T2 (en) 2004-07-08

Family

ID=10852249

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60004813T Expired - Fee Related DE60004813T2 (en) 1999-04-27 2000-04-27 PLATE-SHAPED BENDING SHAFT SPEAKERS

Country Status (8)

Country Link
EP (1) EP1174001B1 (en)
JP (1) JP2002543702A (en)
CN (1) CN1343437A (en)
AU (1) AU4581500A (en)
DE (1) DE60004813T2 (en)
GB (1) GB9909535D0 (en)
TW (1) TW484337B (en)
WO (1) WO2000065869A2 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6839444B2 (en) 2000-11-30 2005-01-04 New Transducers Limited Loudspeakers
GB0029098D0 (en) * 2000-11-30 2001-01-10 New Transducers Ltd Vibration transducer
US7120263B2 (en) 2001-03-23 2006-10-10 New Transducers Limited Bending wave acoustic radiator
CN101790890B (en) * 2007-08-29 2013-04-10 Toa株式会社 Vibration plate and speaker
GB2539029B (en) * 2015-06-04 2017-06-07 Amina Tech Ltd Distributed mode loudspeaker damping oscillations within exciter feet

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3521845A1 (en) * 1985-06-19 1987-01-02 Martin Stute Electrodynamic loudspeaker
JPH03145900A (en) * 1989-11-01 1991-06-21 Yamaha Corp Diaphragm for speaker
US5259036A (en) * 1991-07-22 1993-11-02 Shure Brothers, Inc. Diaphragm for dynamic microphones and methods of manufacturing the same
GB9714050D0 (en) * 1997-07-03 1997-09-10 New Transducers Ltd Panel-form loudspeakers
GB9718878D0 (en) * 1997-09-06 1997-11-12 New Transducers Ltd Vibration Transducer

Also Published As

Publication number Publication date
WO2000065869A2 (en) 2000-11-02
WO2000065869A3 (en) 2001-02-01
JP2002543702A (en) 2002-12-17
GB9909535D0 (en) 1999-06-23
DE60004813T2 (en) 2004-07-08
CN1343437A (en) 2002-04-03
EP1174001A2 (en) 2002-01-23
AU4581500A (en) 2000-11-10
TW484337B (en) 2002-04-21
EP1174001B1 (en) 2003-08-27

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee