HK1041400A1 - Bending wave acoustic device - Google Patents

Bending wave acoustic device

Info

Publication number
HK1041400A1
HK1041400A1 HK02102795.1A HK02102795A HK1041400A1 HK 1041400 A1 HK1041400 A1 HK 1041400A1 HK 02102795 A HK02102795 A HK 02102795A HK 1041400 A1 HK1041400 A1 HK 1041400A1
Authority
HK
Hong Kong
Prior art keywords
acoustic device
bending wave
wave acoustic
bending
wave
Prior art date
Application number
HK02102795.1A
Other languages
Chinese (zh)
Inventor
Ellis Christien
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
Publication of HK1041400A1 publication Critical patent/HK1041400A1/en

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
    • H04R7/26—Damping by means acting directly on free portion of diaphragm or cone
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
HK02102795.1A 1999-07-02 2002-04-12 Bending wave acoustic device HK1041400A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB9915361.1A GB9915361D0 (en) 1999-07-02 1999-07-02 Acoustic device
PCT/GB2000/002353 WO2001003467A2 (en) 1999-07-02 2000-06-30 Bending wave acoustic device

Publications (1)

Publication Number Publication Date
HK1041400A1 true HK1041400A1 (en) 2002-07-05

Family

ID=10856397

Family Applications (1)

Application Number Title Priority Date Filing Date
HK02102795.1A HK1041400A1 (en) 1999-07-02 2002-04-12 Bending wave acoustic device

Country Status (9)

Country Link
EP (1) EP1192839A2 (en)
JP (1) JP2003503990A (en)
CN (1) CN1351813A (en)
AU (1) AU5547500A (en)
GB (1) GB9915361D0 (en)
HK (1) HK1041400A1 (en)
NZ (1) NZ515327A (en)
TW (1) TW488183B (en)
WO (1) WO2001003467A2 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7426804B2 (en) 2002-02-06 2008-09-23 Andersen Corporation Specialty display window
US6988339B2 (en) 2002-02-06 2006-01-24 Andersen Corporation Specialty media window
WO2005101899A2 (en) * 2004-04-16 2005-10-27 New Transducers Limited Acoustic device & method of making acoustic device
GB2489700B (en) * 2011-04-04 2013-09-18 Canon Kk Method and device for controlling the vibration modes of a vibrating support
GB2551723B (en) 2016-06-27 2018-11-28 Amina Tech Limited Speaker Panel
GB2564061B (en) * 2016-06-27 2020-12-16 Amina Tech Limited Speaker panel
GB2568282B (en) 2017-11-10 2020-11-25 Amina Tech Limited Flat panel loudspeaker

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2166022A (en) * 1984-09-05 1986-04-23 Sawafuji Dynameca Co Ltd Piezoelectric vibrator
GB2260466B (en) * 1991-09-28 1995-08-16 Star Mfg Co Electroacoustic transducer
UA51671C2 (en) * 1995-09-02 2002-12-16 Нью Транзд'Юсез Лімітед Acoustic device
TW348362B (en) * 1996-10-24 1998-12-21 Shin Shyh Kk An acoustical piezoelectric vibrator and a speaker using the piezoelectric vibrator a piezoelectric vibrator characterized in that: a vibration control piece is secured to a piezoelectric vibration plate at the peripheral portion thereof.
GB9709959D0 (en) * 1997-05-15 1997-07-09 New Transducers Ltd Panel-form loudspeakers

Also Published As

Publication number Publication date
JP2003503990A (en) 2003-01-28
CN1351813A (en) 2002-05-29
WO2001003467A3 (en) 2001-03-22
NZ515327A (en) 2002-05-31
AU5547500A (en) 2001-01-22
TW488183B (en) 2002-05-21
GB9915361D0 (en) 1999-09-01
WO2001003467A2 (en) 2001-01-11
EP1192839A2 (en) 2002-04-03

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