CA2230161A1 - Loudspeakers comprising panel-form acoustic radiating elements - Google Patents

Loudspeakers comprising panel-form acoustic radiating elements Download PDF

Info

Publication number
CA2230161A1
CA2230161A1 CA002230161A CA2230161A CA2230161A1 CA 2230161 A1 CA2230161 A1 CA 2230161A1 CA 002230161 A CA002230161 A CA 002230161A CA 2230161 A CA2230161 A CA 2230161A CA 2230161 A1 CA2230161 A1 CA 2230161A1
Authority
CA
Canada
Prior art keywords
panel
radiator
frame
transducer
form loudspeaker
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
CA002230161A
Other languages
English (en)
French (fr)
Inventor
Neil Harris
Martin Colloms
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=34865245&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA2230161(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from GBGB9517918.0A external-priority patent/GB9517918D0/en
Priority claimed from GBGB9522281.6A external-priority patent/GB9522281D0/en
Priority claimed from GBGB9606836.6A external-priority patent/GB9606836D0/en
Application filed by Individual filed Critical Individual
Publication of CA2230161A1 publication Critical patent/CA2230161A1/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
    • 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
    • H04R2440/00—Bending wave transducers covered by H04R, not provided for in its groups
    • H04R2440/07—Loudspeakers using bending wave resonance and pistonic motion to generate sound

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)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
CA002230161A 1995-09-02 1996-09-02 Loudspeakers comprising panel-form acoustic radiating elements Abandoned CA2230161A1 (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
GBGB9517918.0A GB9517918D0 (en) 1995-09-02 1995-09-02 Acoustic device
GBGB9522281.6A GB9522281D0 (en) 1995-10-31 1995-10-31 Acoustic device
GB9606836.6 1996-03-30
GBGB9606836.6A GB9606836D0 (en) 1996-03-30 1996-03-30 Acoustic device
GB9517918.0 1996-03-30
GB9522281.6 1996-03-30
PCT/GB1996/002158 WO1997009845A2 (en) 1995-09-02 1996-09-02 Loudspeakers comprising panel-form acoustic radiating elements

Publications (1)

Publication Number Publication Date
CA2230161A1 true CA2230161A1 (en) 1997-03-13

Family

ID=34865245

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002230161A Abandoned CA2230161A1 (en) 1995-09-02 1996-09-02 Loudspeakers comprising panel-form acoustic radiating elements

Country Status (21)

Country Link
EP (1) EP0847664B1 (de)
JP (1) JPH11512255A (de)
CN (1) CN1194085A (de)
AT (1) ATE179563T1 (de)
AU (1) AU703296B2 (de)
BR (1) BR9610466A (de)
CA (1) CA2230161A1 (de)
CZ (1) CZ58298A3 (de)
DE (1) DE69602279T2 (de)
DK (1) DK0847664T3 (de)
EA (1) EA199800246A1 (de)
ES (1) ES2131957T3 (de)
HK (1) HK1008644A1 (de)
HU (1) HUP9900168A3 (de)
IL (1) IL123487A (de)
NZ (1) NZ316556A (de)
PL (1) PL325211A1 (de)
RO (1) RO119044B1 (de)
SK (1) SK26398A3 (de)
TR (1) TR199800361T1 (de)
WO (1) WO1997009845A2 (de)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9806994D0 (en) * 1998-04-02 1998-06-03 New Transducers Ltd Acoustic device
ATE303051T1 (de) 1998-06-22 2005-09-15 Slab Technology Ltd Lautsprecher
DE29811727U1 (de) 1998-07-01 1998-08-27 Alusuisse KAPA GmbH, 49090 Osnabrück Plattenlautsprechervorrichtung
CN1500364A (zh) * 2001-04-05 2004-05-26 新型转换器有限公司 扬声器
US6813362B2 (en) 2001-04-05 2004-11-02 New Transducers Limited Loudspeaker and method of making same
US10158337B2 (en) 2004-08-10 2018-12-18 Bongiovi Acoustics Llc System and method for digital signal processing
US8284955B2 (en) 2006-02-07 2012-10-09 Bongiovi Acoustics Llc System and method for digital signal processing
US11431312B2 (en) 2004-08-10 2022-08-30 Bongiovi Acoustics Llc System and method for digital signal processing
US10848118B2 (en) 2004-08-10 2020-11-24 Bongiovi Acoustics Llc System and method for digital signal processing
US10069471B2 (en) 2006-02-07 2018-09-04 Bongiovi Acoustics Llc System and method for digital signal processing
US10848867B2 (en) 2006-02-07 2020-11-24 Bongiovi Acoustics Llc System and method for digital signal processing
US11202161B2 (en) 2006-02-07 2021-12-14 Bongiovi Acoustics Llc System, method, and apparatus for generating and digitally processing a head related audio transfer function
US9615189B2 (en) 2014-08-08 2017-04-04 Bongiovi Acoustics Llc Artificial ear apparatus and associated methods for generating a head related audio transfer function
US10701505B2 (en) 2006-02-07 2020-06-30 Bongiovi Acoustics Llc. System, method, and apparatus for generating and digitally processing a head related audio transfer function
US9264004B2 (en) 2013-06-12 2016-02-16 Bongiovi Acoustics Llc System and method for narrow bandwidth digital signal processing
US9883318B2 (en) 2013-06-12 2018-01-30 Bongiovi Acoustics Llc System and method for stereo field enhancement in two-channel audio systems
US9906858B2 (en) 2013-10-22 2018-02-27 Bongiovi Acoustics Llc System and method for digital signal processing
US10639000B2 (en) 2014-04-16 2020-05-05 Bongiovi Acoustics Llc Device for wide-band auscultation
US10820883B2 (en) 2014-04-16 2020-11-03 Bongiovi Acoustics Llc Noise reduction assembly for auscultation of a body
US9615813B2 (en) 2014-04-16 2017-04-11 Bongiovi Acoustics Llc. Device for wide-band auscultation
US9564146B2 (en) 2014-08-01 2017-02-07 Bongiovi Acoustics Llc System and method for digital signal processing in deep diving environment
US9638672B2 (en) 2015-03-06 2017-05-02 Bongiovi Acoustics Llc System and method for acquiring acoustic information from a resonating body
US9621994B1 (en) 2015-11-16 2017-04-11 Bongiovi Acoustics Llc Surface acoustic transducer
WO2017087495A1 (en) * 2015-11-16 2017-05-26 Bongiovi Acoustics Llc Surface acoustic transducer
CA3096877A1 (en) 2018-04-11 2019-10-17 Bongiovi Acoustics Llc Audio enhanced hearing protection system
US10959035B2 (en) 2018-08-02 2021-03-23 Bongiovi Acoustics Llc System, method, and apparatus for generating and digitally processing a head related audio transfer function
US10782731B1 (en) 2019-02-28 2020-09-22 Google Llc Modal frequency shifting for loudspeaker devices

Family Cites Families (5)

* 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
JPS5748153Y2 (de) * 1977-11-26 1982-10-22
US4751419A (en) * 1986-12-10 1988-06-14 Nitto Incorporated Piezoelectric oscillation assembly including several individual piezoelectric oscillation devices having a common oscillation plate member
DE69106712T2 (de) * 1990-08-04 1995-06-08 Secr Defence Brit Paneelförmiger lautsprecher.
JP3118363B2 (ja) * 1994-02-25 2000-12-18 株式会社ケンウッド スピーカシステム

Also Published As

Publication number Publication date
RO119044B1 (ro) 2004-02-27
EA199800246A1 (ru) 1998-10-29
CZ58298A3 (cs) 1998-07-15
ES2131957T3 (es) 1999-08-01
CN1194085A (zh) 1998-09-23
AU6881496A (en) 1997-03-27
NZ316556A (en) 1998-05-27
ATE179563T1 (de) 1999-05-15
HUP9900168A3 (en) 2001-08-28
TR199800361T1 (xx) 1998-05-21
BR9610466A (pt) 1999-03-02
EP0847664B1 (de) 1999-04-28
IL123487A0 (en) 1998-09-24
IL123487A (en) 2001-11-25
DE69602279T2 (de) 1999-09-16
WO1997009845A3 (en) 1997-05-29
DK0847664T3 (da) 1999-11-08
HK1008644A1 (en) 1999-05-14
PL325211A1 (en) 1998-07-06
HUP9900168A2 (hu) 1999-04-28
AU703296B2 (en) 1999-03-25
DE69602279D1 (de) 1999-06-02
WO1997009845A2 (en) 1997-03-13
SK26398A3 (en) 1998-09-09
JPH11512255A (ja) 1999-10-19
EP0847664A2 (de) 1998-06-17

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Legal Events

Date Code Title Description
EEER Examination request
FZDE Discontinued