AU704227B2 - Noticeboards incorporating loudspeakers - Google Patents

Noticeboards incorporating loudspeakers Download PDF

Info

Publication number
AU704227B2
AU704227B2 AU68821/96A AU6882196A AU704227B2 AU 704227 B2 AU704227 B2 AU 704227B2 AU 68821/96 A AU68821/96 A AU 68821/96A AU 6882196 A AU6882196 A AU 6882196A AU 704227 B2 AU704227 B2 AU 704227B2
Authority
AU
Australia
Prior art keywords
display apparatus
visual display
panel
transducer
radiator
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.)
Ceased
Application number
AU68821/96A
Other languages
English (en)
Other versions
AU6882196A (en
Inventor
Henry Azima
Martin Colloms
Neil Harris
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
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 New Transducers Ltd filed Critical New Transducers Ltd
Publication of AU6882196A publication Critical patent/AU6882196A/en
Application granted granted Critical
Publication of AU704227B2 publication Critical patent/AU704227B2/en
Anticipated expiration legal-status Critical
Ceased 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
    • H04R7/06—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
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
    • H04R1/028—Casings; Cabinets ; Supports therefor; Mountings therein associated with devices performing functions other than acoustics, e.g. electric candles
    • 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
    • H04R2307/00—Details of diaphragms or cones for electromechanical transducers, their suspension or their manufacture covered by H04R7/00 or H04R31/003, not provided for in any of its subgroups
    • H04R2307/029—Diaphragms comprising fibres
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
    • H04R2499/10—General applications
    • H04R2499/15—Transducers incorporated in visual displaying devices, e.g. televisions, computer displays, laptops

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Cookers (AREA)
  • Graft Or Block Polymers (AREA)
  • Road Signs Or Road Markings (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Audible And Visible Signals (AREA)
  • Pinball Game Machines (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
AU68821/96A 1995-09-02 1996-09-02 Noticeboards incorporating loudspeakers Ceased AU704227B2 (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
GBGB9517918.0A GB9517918D0 (en) 1995-09-02 1995-09-02 Acoustic device
GB9517918 1995-09-02
GB9522281 1995-10-31
GBGB9522281.6A GB9522281D0 (en) 1995-10-31 1995-10-31 Acoustic device
GBGB9606836.6A GB9606836D0 (en) 1996-03-30 1996-03-30 Acoustic device
GB9606836 1996-03-30
PCT/GB1996/002165 WO1997009848A1 (en) 1995-09-02 1996-09-02 Noticeboards incorporating loudspeakers

Publications (2)

Publication Number Publication Date
AU6882196A AU6882196A (en) 1997-03-27
AU704227B2 true AU704227B2 (en) 1999-04-15

Family

ID=34865251

Family Applications (1)

Application Number Title Priority Date Filing Date
AU68821/96A Ceased AU704227B2 (en) 1995-09-02 1996-09-02 Noticeboards incorporating loudspeakers

Country Status (21)

Country Link
EP (1) EP0847667B1 (xx)
JP (1) JPH11512260A (xx)
CN (1) CN1195456A (xx)
AT (1) ATE177282T1 (xx)
AU (1) AU704227B2 (xx)
BR (1) BR9610426A (xx)
CA (1) CA2230234A1 (xx)
CZ (1) CZ58398A3 (xx)
DE (1) DE69601648T2 (xx)
DK (1) DK0847667T3 (xx)
EA (1) EA000612B1 (xx)
ES (1) ES2131410T3 (xx)
HK (1) HK1008645A1 (xx)
HU (1) HUP9904010A2 (xx)
IL (1) IL123438A (xx)
NZ (1) NZ316563A (xx)
PL (1) PL182243B1 (xx)
RO (1) RO119042B1 (xx)
SK (1) SK26498A3 (xx)
TR (1) TR199800368T1 (xx)
WO (1) WO1997009848A1 (xx)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE303051T1 (de) 1998-06-22 2005-09-15 Slab Technology Ltd Lautsprecher
US6590993B2 (en) * 1999-09-06 2003-07-08 Koninklijke Philips Electronics N.V. Panel-shaped loudspeaker
AU2001228630A1 (en) * 2000-01-20 2001-07-31 Amina Technologies Limited Display apparatus with flat panel loudspeaker
DE10030746B4 (de) * 2000-06-23 2008-11-20 Lisa Dräxlmaier GmbH Innenverkleidungsteil für Fahrzeuge und verfahren zur Herstellung desselben
GB2369232B (en) 2000-11-18 2005-01-12 Talksign Ltd Display signs
EP1345469A1 (en) 2002-03-15 2003-09-17 Matsushita Electric Industrial Co., Ltd. Loudspeaker system
US10848118B2 (en) 2004-08-10 2020-11-24 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
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
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
US10848867B2 (en) 2006-02-07 2020-11-24 Bongiovi Acoustics Llc System and method for digital signal processing
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
US10069471B2 (en) 2006-02-07 2018-09-04 Bongiovi Acoustics Llc System and method for digital signal processing
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
US9615813B2 (en) 2014-04-16 2017-04-11 Bongiovi Acoustics Llc. Device for wide-band auscultation
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
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
CN104809966B (zh) * 2015-04-22 2017-07-14 黄雪莲 一种广告投放方法及终端
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
EP3477963B1 (de) * 2017-05-19 2020-11-18 Rafael Kubisz Lautsprechersystem
AU2019252524A1 (en) 2018-04-11 2020-11-05 Bongiovi Acoustics Llc Audio enhanced hearing protection system
WO2020028833A1 (en) 2018-08-02 2020-02-06 Bongiovi Acoustics Llc System, method, and apparatus for generating and digitally processing a head related audio transfer function
KR20230173953A (ko) * 2022-06-20 2023-12-27 엘지디스플레이 주식회사 장치 및 이를 포함하는 운송 장치

Citations (3)

* 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
DE2612450A1 (de) * 1976-03-24 1977-10-06 Reditune Thordsen Gmbh & Co Anordnung zur abgabe von akustischen signalen, insbesondere an werbeflaechen und schaukaesten oder -fenstern
GB2010637A (en) * 1977-11-26 1979-06-27 Sony Corp Diaphragm for loudspeaker

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2613863B1 (fr) * 1987-04-08 1991-09-06 Fayard Thierry Dispositif audiovisuel extra plat
JPH02170795A (ja) * 1988-12-23 1990-07-02 Foster Electric Co Ltd パネル型スピーカ
DK0541646T3 (da) * 1990-08-04 1995-03-20 Secr Defence Brit Panelformet højttaler

Patent Citations (3)

* 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
DE2612450A1 (de) * 1976-03-24 1977-10-06 Reditune Thordsen Gmbh & Co Anordnung zur abgabe von akustischen signalen, insbesondere an werbeflaechen und schaukaesten oder -fenstern
GB2010637A (en) * 1977-11-26 1979-06-27 Sony Corp Diaphragm for loudspeaker

Also Published As

Publication number Publication date
DK0847667T3 (da) 1999-10-04
CN1195456A (zh) 1998-10-07
NZ316563A (en) 1998-05-27
EP0847667B1 (en) 1999-03-03
EA000612B1 (ru) 1999-12-29
ES2131410T3 (es) 1999-07-16
RO119042B1 (ro) 2004-02-27
ATE177282T1 (de) 1999-03-15
HUP9904010A2 (hu) 2000-04-28
JPH11512260A (ja) 1999-10-19
CZ58398A3 (cs) 1998-07-15
TR199800368T1 (xx) 1998-05-21
DE69601648T2 (de) 1999-09-16
DE69601648D1 (de) 1999-04-08
WO1997009848A1 (en) 1997-03-13
CA2230234A1 (en) 1997-03-13
PL182243B1 (pl) 2001-11-30
HK1008645A1 (en) 1999-05-14
EP0847667A1 (en) 1998-06-17
IL123438A0 (en) 1998-09-24
BR9610426A (pt) 1999-12-21
EA199800264A1 (ru) 1998-10-29
AU6882196A (en) 1997-03-27
SK26498A3 (en) 1998-09-09
PL325244A1 (en) 1998-07-06
IL123438A (en) 2001-01-11

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