TW462203B - Loudspeakers - Google Patents

Loudspeakers Download PDF

Info

Publication number
TW462203B
TW462203B TW088119775A TW88119775A TW462203B TW 462203 B TW462203 B TW 462203B TW 088119775 A TW088119775 A TW 088119775A TW 88119775 A TW88119775 A TW 88119775A TW 462203 B TW462203 B TW 462203B
Authority
TW
Taiwan
Prior art keywords
pipe
speaker
plate
sound
patent application
Prior art date
Application number
TW088119775A
Other languages
English (en)
Chinese (zh)
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 TW462203B publication Critical patent/TW462203B/zh

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; 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; ELECTRIC HEARING AIDS; 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

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)
TW088119775A 1998-11-06 1999-11-11 Loudspeakers TW462203B (en)

Applications Claiming Priority (2)

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

Publications (1)

Publication Number Publication Date
TW462203B true TW462203B (en) 2001-11-01

Family

ID=26314618

Family Applications (1)

Application Number Title Priority Date Filing Date
TW088119775A TW462203B (en) 1998-11-06 1999-11-11 Loudspeakers

Country Status (14)

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

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
JP4351209B2 (ja) * 2003-03-25 2009-10-28 ティーオーエー株式会社 スピーカシステム用音波案内構造体及びこれをスロート部として用いたホーンスピーカ
US7886869B2 (en) 2007-09-27 2011-02-15 Kevin Bastyr Acoustic waveguide mode controlling
JP5188839B2 (ja) * 2008-02-28 2013-04-24 株式会社ジャムコ フラットパネルスピーカー
JP5276956B2 (ja) * 2008-11-13 2013-08-28 浜名湖電装株式会社 電気式ホーン
WO2011067060A1 (de) * 2009-12-02 2011-06-09 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Flachlautsprecher
JP6044164B2 (ja) * 2011-09-09 2016-12-14 ヤマハ株式会社 音響装置
DE112017000373T5 (de) 2016-01-14 2018-09-27 Harman International Industries, Incorporated Mehrwegige schallwandkopplung für oberflächenmontierte lautsprecher
JP7094687B2 (ja) * 2017-10-31 2022-07-04 川崎車両株式会社 鉄道車両の警笛装置
CN112543387B (zh) * 2019-09-20 2022-07-22 广州视源电子科技股份有限公司 电子设备

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 (ko) * 1988-07-28 1991-02-28 파브리-꽁띠 루까 고충실도 음을 재생하는 장치 및 방법
UA51671C2 (uk) * 1995-09-02 2002-12-16 Нью Транзд'Юсез Лімітед Акустичний пристрій
GB9705981D0 (en) * 1997-03-22 1997-05-07 New Transducers Ltd Personal computers

Also Published As

Publication number Publication date
AU6480699A (en) 2000-05-29
HK1035987A1 (en) 2001-12-14
BR9915048A (pt) 2001-08-07
NZ510972A (en) 2002-07-26
RU2001115712A (ru) 2003-06-10
AU746872B2 (en) 2002-05-02
CN1140158C (zh) 2004-02-25
EP1125472B1 (de) 2003-12-17
CA2349856A1 (en) 2000-05-18
CN1324556A (zh) 2001-11-28
EP1125472A1 (de) 2001-08-22
IL142430A0 (en) 2002-03-10
DE69913726D1 (de) 2004-01-29
ATE256959T1 (de) 2004-01-15
KR20010083946A (ko) 2001-09-03
JP2002530031A (ja) 2002-09-10
WO2000028780A1 (en) 2000-05-18

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Legal Events

Date Code Title Description
GD4A Issue of patent certificate for granted invention patent
MM4A Annulment or lapse of patent due to non-payment of fees