ATE256959T1 - LOUDSPEAKER WITH PHASE UNCORRELATED DIFFUSE SOUND SOURCE - Google Patents

LOUDSPEAKER WITH PHASE UNCORRELATED DIFFUSE SOUND SOURCE

Info

Publication number
ATE256959T1
ATE256959T1 AT99952692T AT99952692T ATE256959T1 AT E256959 T1 ATE256959 T1 AT E256959T1 AT 99952692 T AT99952692 T AT 99952692T AT 99952692 T AT99952692 T AT 99952692T AT E256959 T1 ATE256959 T1 AT E256959T1
Authority
AT
Austria
Prior art keywords
sound source
loudspeaker
diffuse sound
phase
uncorrelated diffuse
Prior art date
Application number
AT99952692T
Other languages
German (de)
Inventor
Neil Harris
Graham Bank
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 GBGB9824255.5A external-priority patent/GB9824255D0/en
Priority claimed from GBGB9914410.7A external-priority patent/GB9914410D0/en
Application filed by New Transducers Ltd filed Critical New Transducers Ltd
Application granted granted Critical
Publication of ATE256959T1 publication Critical patent/ATE256959T1/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
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/30—Combinations of transducers with horns, e.g. with mechanical matching means, i.e. front-loaded horns
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Multimedia (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Stereophonic System (AREA)

Abstract

A loudspeaker comprising a phase uncorrelated diffuse sound source and a duct or wave guide coupled to the sound source to direct acoustic energy from the source, the duct or wave guide having a substantially parallel section extending from the vicinity of the sound source and a termination positioned remotely from the panel.
AT99952692T 1998-11-06 1999-11-04 LOUDSPEAKER WITH PHASE UNCORRELATED DIFFUSE SOUND SOURCE ATE256959T1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GBGB9824255.5A GB9824255D0 (en) 1998-11-06 1998-11-06 Loudspeakers
GBGB9914410.7A GB9914410D0 (en) 1999-06-22 1999-06-22 Reflector
PCT/GB1999/003613 WO2000028780A1 (en) 1998-11-06 1999-11-04 Loudspeakers comprising a phase uncorrelated diffuse sound source

Publications (1)

Publication Number Publication Date
ATE256959T1 true ATE256959T1 (en) 2004-01-15

Family

ID=26314618

Family Applications (1)

Application Number Title Priority Date Filing Date
AT99952692T ATE256959T1 (en) 1998-11-06 1999-11-04 LOUDSPEAKER WITH PHASE UNCORRELATED DIFFUSE SOUND SOURCE

Country Status (15)

Country Link
EP (1) EP1125472B1 (en)
JP (1) JP2002530031A (en)
KR (1) KR20010083946A (en)
CN (1) CN1140158C (en)
AT (1) ATE256959T1 (en)
AU (1) AU746872B2 (en)
BR (1) BR9915048A (en)
CA (1) CA2349856A1 (en)
DE (1) DE69913726D1 (en)
HK (1) HK1035987A1 (en)
IL (1) IL142430A0 (en)
NZ (1) NZ510972A (en)
RU (1) RU2001115712A (en)
TW (1) TW462203B (en)
WO (1) WO2000028780A1 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6581719B2 (en) * 2000-08-02 2003-06-24 Alan Brock Adamson Wave shaping sound chamber
CN1765148B (en) * 2003-03-25 2010-04-28 Toa株式会社 Speaker system sound wave guide structure and horn speaker
US7886869B2 (en) 2007-09-27 2011-02-15 Kevin Bastyr Acoustic waveguide mode controlling
JP5188839B2 (en) * 2008-02-28 2013-04-24 株式会社ジャムコ Flat panel speaker
JP5276956B2 (en) * 2008-11-13 2013-08-28 浜名湖電装株式会社 Electric horn
CN102714768B (en) * 2009-12-02 2015-10-14 弗劳恩霍夫应用研究促进协会 Dynamic planar loudspeakers
JP6044164B2 (en) * 2011-09-09 2016-12-14 ヤマハ株式会社 Sound equipment
WO2017124068A1 (en) 2016-01-14 2017-07-20 Harman International Industries, Inc. Two-way loudspeaker with floating waveguide
JP7094687B2 (en) * 2017-10-31 2022-07-04 川崎車両株式会社 Railroad horn device
CN115022758A (en) * 2019-09-20 2022-09-06 广州视源电子科技股份有限公司 Electronic device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2956636A (en) * 1956-06-11 1960-10-18 Sipko L Boersma Loudspeaker
KR910004063A (en) * 1988-07-28 1991-02-28 파브리-꽁띠 루까 Apparatus and method for reproducing high fidelity sound
UA51671C2 (en) * 1995-09-02 2002-12-16 Нью Транзд'Юсез Лімітед Acoustic device
GB9705981D0 (en) * 1997-03-22 1997-05-07 New Transducers Ltd Personal computers

Also Published As

Publication number Publication date
KR20010083946A (en) 2001-09-03
AU6480699A (en) 2000-05-29
NZ510972A (en) 2002-07-26
WO2000028780A1 (en) 2000-05-18
JP2002530031A (en) 2002-09-10
CA2349856A1 (en) 2000-05-18
TW462203B (en) 2001-11-01
CN1140158C (en) 2004-02-25
EP1125472A1 (en) 2001-08-22
CN1324556A (en) 2001-11-28
DE69913726D1 (en) 2004-01-29
HK1035987A1 (en) 2001-12-14
RU2001115712A (en) 2003-06-10
AU746872B2 (en) 2002-05-02
BR9915048A (en) 2001-08-07
EP1125472B1 (en) 2003-12-17
IL142430A0 (en) 2002-03-10

Similar Documents

Publication Publication Date Title
TR200100632T2 (en) Loudspeakers with a panel-shaped resonant piece
AR013178A1 (en) PANEL-SPEAKING SPEAKERS
TR199800358T1 (en) Loudspeaker with emissive elements in panel form.
ID20339A (en) VOICE LOUD SHAPER PANEL
MY125747A (en) Speaker system
ATE223137T1 (en) ACOUSTIC DEVICE WITH FLEXIBLE WAVE MODES
ATE256959T1 (en) LOUDSPEAKER WITH PHASE UNCORRELATED DIFFUSE SOUND SOURCE
ATE311081T1 (en) SPEAKER FOR DIRECT LAYING CEILINGS
TR199800361T1 (en) Loudspeakers with acoustic emitter elements in panel form.
EE9900154A (en) Radiotelephone with non-resonant wave guide acoustically coupled to the microphone
FI980649A0 (en) Foerfarande och anordning Foer att behandla riktad ljud i en acoustik virtualmiljoe
MY125076A (en) Speaker system
DE69615240D1 (en) Music calculator with sound emulation
HU9900197D0 (en) Sound lock of gas turbine with diffuser
EP1074016A4 (en) An in-line early reflection enhancement system for enhancing acoustics
ES2145443T3 (en) FLEXIBLE DEVICE THAT HAS FIREWALL PROPERTIES.
CA2378262A1 (en) Earpiece without impulse and high frequency noise
MX9709236A (en) Acoustic horn transducer with a conic type diffuser having an exponential profile in wood.
DE69603389T2 (en) Gas burner with improved acoustic damping
FR2770734B1 (en) IMPROVED ACOUSTIC SPEAKER
NZ514593A (en) Acoustic device with transducer coupling one of groups of modes of overlapping frequencies
ES2168192A1 (en) Improved emitter of sounds
FR2705011B1 (en) ACOUSTIC SPEAKER.
GB2366682A (en) Acoustic device
TH40727A3 (en) Audio equipment

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties