DE60032407T2 - Mechanisches Filter für akustische Systeme sowie mit solchen Filter ausgerüstete Fernsehern - Google Patents

Mechanisches Filter für akustische Systeme sowie mit solchen Filter ausgerüstete Fernsehern Download PDF

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Publication number
DE60032407T2
DE60032407T2 DE2000632407 DE60032407T DE60032407T2 DE 60032407 T2 DE60032407 T2 DE 60032407T2 DE 2000632407 DE2000632407 DE 2000632407 DE 60032407 T DE60032407 T DE 60032407T DE 60032407 T2 DE60032407 T2 DE 60032407T2
Authority
DE
Germany
Prior art keywords
horn
acoustic
mechanical filter
flexible plate
rigid
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.)
Expired - Lifetime
Application number
DE2000632407
Other languages
German (de)
English (en)
Other versions
DE60032407D1 (de
Inventor
Thomson Multimedia Gilles Bourgoin
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.)
Vantiva SA
Original Assignee
Thomson Multimedia SA
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
Application filed by Thomson Multimedia SA filed Critical Thomson Multimedia SA
Publication of DE60032407D1 publication Critical patent/DE60032407D1/de
Application granted granted Critical
Publication of DE60032407T2 publication Critical patent/DE60032407T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/02—Mechanical acoustic impedances; Impedance matching, e.g. by horns; Acoustic resonators
    • G10K11/04—Acoustic filters ; Acoustic resonators
    • 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 
    • H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
    • H04R1/2807—Enclosures comprising vibrating or resonating arrangements
    • H04R1/2815—Enclosures comprising vibrating or resonating arrangements of the bass reflex type
    • H04R1/2819—Enclosures comprising vibrating or resonating arrangements of the bass reflex type for loudspeaker transducers
    • 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 
    • H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
    • H04R1/2807—Enclosures comprising vibrating or resonating arrangements
    • H04R1/2853—Enclosures comprising vibrating or resonating arrangements using an acoustic labyrinth or a transmission line
    • H04R1/2857—Enclosures comprising vibrating or resonating arrangements using an acoustic labyrinth or a transmission line for loudspeaker transducers
    • 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 
    • H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
    • H04R1/2869—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself
    • H04R1/2876—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself by means of damping material, e.g. as cladding
    • H04R1/288—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself by means of damping material, e.g. as cladding for loudspeaker transducers
    • 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

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Signal Processing (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
DE2000632407 1999-03-30 2000-03-22 Mechanisches Filter für akustische Systeme sowie mit solchen Filter ausgerüstete Fernsehern Expired - Lifetime DE60032407T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9903964 1999-03-30
FR9903964A FR2791802A1 (fr) 1999-03-30 1999-03-30 Filtre mecanique pour systemes acoustiques et televiseur equipe de tels filtres

Publications (2)

Publication Number Publication Date
DE60032407D1 DE60032407D1 (de) 2007-02-01
DE60032407T2 true DE60032407T2 (de) 2007-10-11

Family

ID=9543808

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2000632407 Expired - Lifetime DE60032407T2 (de) 1999-03-30 2000-03-22 Mechanisches Filter für akustische Systeme sowie mit solchen Filter ausgerüstete Fernsehern

Country Status (6)

Country Link
EP (1) EP1041538B1 (fr)
JP (1) JP2000308175A (fr)
CN (1) CN1181673C (fr)
DE (1) DE60032407T2 (fr)
ES (1) ES2277814T3 (fr)
FR (1) FR2791802A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2819974A1 (fr) * 2001-01-24 2002-07-26 Thomson Licensing Sa Enceinte acoustique et appareil audiovisuel comportant une telle enceinte
CN110382067A (zh) 2016-03-08 2019-10-25 切尔游戏私人有限公司 包括多个游戏的游戏方法、系统和机器
CN106162458A (zh) * 2016-07-19 2016-11-23 南京大学 一种扬声器声传导腔体装置
AU2018214028A1 (en) * 2017-04-19 2018-11-08 Chill Gaming Pty Ltd Audio system
WO2018191770A1 (fr) * 2017-04-19 2018-10-25 Chill Gaming Pty Ltd Système audio
CN109246539A (zh) * 2018-10-17 2019-01-18 无锡杰夫电声股份有限公司 一种加载弹性薄板的薄型扬声器箱
US11310587B2 (en) * 2019-10-08 2022-04-19 Bose Corporation Horn loudspeakers

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5432860A (en) * 1990-02-09 1995-07-11 Mitsubishi Denki Kabushiki Kaisha Speaker system
DE69323258T2 (de) * 1992-09-23 1999-08-05 Koninklijke Philips Electronics N.V., Eindhoven Lautsprechersystem mit mehreren Rohren
KR960011026B1 (ko) * 1993-07-26 1996-08-16 대우전자 주식회사 텔레비전의 스피커시스템
JP3449571B2 (ja) * 1994-08-30 2003-09-22 株式会社東芝 テレビジョンセットのスピーカシステム
JP4043539B2 (ja) * 1996-08-21 2008-02-06 松下電器産業株式会社 スピーカ装置の製造方法

Also Published As

Publication number Publication date
JP2000308175A (ja) 2000-11-02
CN1270473A (zh) 2000-10-18
DE60032407D1 (de) 2007-02-01
CN1181673C (zh) 2004-12-22
EP1041538B1 (fr) 2006-12-20
FR2791802A1 (fr) 2000-10-06
EP1041538A1 (fr) 2000-10-04
ES2277814T3 (es) 2007-08-01

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Legal Events

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8320 Willingness to grant licences declared (paragraph 23)
8364 No opposition during term of opposition