CA2230234A1 - Noticeboards incorporating loudspeakers - Google Patents

Noticeboards incorporating loudspeakers Download PDF

Info

Publication number
CA2230234A1
CA2230234A1 CA002230234A CA2230234A CA2230234A1 CA 2230234 A1 CA2230234 A1 CA 2230234A1 CA 002230234 A CA002230234 A CA 002230234A CA 2230234 A CA2230234 A CA 2230234A CA 2230234 A1 CA2230234 A1 CA 2230234A1
Authority
CA
Canada
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.)
Abandoned
Application number
CA002230234A
Other languages
English (en)
French (fr)
Inventor
Henry Azima
Neil Harris
Martin Colloms
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
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 CA2230234A1 publication Critical patent/CA2230234A1/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
    • H04R7/06—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)
  • Cookers (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Graft Or Block Polymers (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Road Signs Or Road Markings (AREA)
  • Pinball Game Machines (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Audible And Visible Signals (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
CA002230234A 1995-09-02 1996-09-02 Noticeboards incorporating loudspeakers Abandoned CA2230234A1 (en)

Applications Claiming Priority (7)

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

Publications (1)

Publication Number Publication Date
CA2230234A1 true CA2230234A1 (en) 1997-03-13

Family

ID=34865251

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002230234A Abandoned CA2230234A1 (en) 1995-09-02 1996-09-02 Noticeboards incorporating loudspeakers

Country Status (21)

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

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RO121307B1 (ro) 1998-06-22 2007-02-28 Slab Technology Limited Difuzor audio
US6590993B2 (en) * 1999-09-06 2003-07-08 Koninklijke Philips Electronics N.V. Panel-shaped loudspeaker
WO2001054454A2 (en) * 2000-01-20 2001-07-26 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
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
US10158337B2 (en) 2004-08-10 2018-12-18 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
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
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
US10069471B2 (en) 2006-02-07 2018-09-04 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
US9883318B2 (en) 2013-06-12 2018-01-30 Bongiovi Acoustics Llc System and method for stereo field enhancement in two-channel audio systems
US9264004B2 (en) 2013-06-12 2016-02-16 Bongiovi Acoustics Llc System and method for narrow bandwidth digital signal processing
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
US10820883B2 (en) 2014-04-16 2020-11-03 Bongiovi Acoustics Llc Noise reduction assembly for auscultation of a body
US10639000B2 (en) 2014-04-16 2020-05-05 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
CN104809966B (zh) * 2015-04-22 2017-07-14 黄雪莲 一种广告投放方法及终端
WO2017087495A1 (en) 2015-11-16 2017-05-26 Bongiovi Acoustics Llc Surface acoustic transducer
US9621994B1 (en) 2015-11-16 2017-04-11 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

Family Cites Families (6)

* 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
JPS5748153Y2 (sk) * 1977-11-26 1982-10-22
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
EP0541646B1 (en) * 1990-08-04 1995-01-11 The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Panel-form loudspeaker

Also Published As

Publication number Publication date
EP0847667B1 (en) 1999-03-03
AU704227B2 (en) 1999-04-15
CN1195456A (zh) 1998-10-07
JPH11512260A (ja) 1999-10-19
HUP9904010A2 (hu) 2000-04-28
HK1008645A1 (en) 1999-05-14
PL182243B1 (pl) 2001-11-30
EA000612B1 (ru) 1999-12-29
DE69601648D1 (de) 1999-04-08
BR9610426A (pt) 1999-12-21
CZ58398A3 (cs) 1998-07-15
WO1997009848A1 (en) 1997-03-13
EA199800264A1 (ru) 1998-10-29
NZ316563A (en) 1998-05-27
ATE177282T1 (de) 1999-03-15
DK0847667T3 (da) 1999-10-04
EP0847667A1 (en) 1998-06-17
SK26498A3 (en) 1998-09-09
IL123438A0 (en) 1998-09-24
RO119042B1 (ro) 2004-02-27
AU6882196A (en) 1997-03-27
PL325244A1 (en) 1998-07-06
DE69601648T2 (de) 1999-09-16
IL123438A (en) 2001-01-11
TR199800368T1 (xx) 1998-05-21
ES2131410T3 (es) 1999-07-16

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Legal Events

Date Code Title Description
EEER Examination request
FZDE Discontinued