ATE482576T1 - Elektroakustische vorrichtung mit kanalmitteln zum ändern der akustischen ausgangsimpedanz - Google Patents

Elektroakustische vorrichtung mit kanalmitteln zum ändern der akustischen ausgangsimpedanz

Info

Publication number
ATE482576T1
ATE482576T1 AT04799222T AT04799222T ATE482576T1 AT E482576 T1 ATE482576 T1 AT E482576T1 AT 04799222 T AT04799222 T AT 04799222T AT 04799222 T AT04799222 T AT 04799222T AT E482576 T1 ATE482576 T1 AT E482576T1
Authority
AT
Austria
Prior art keywords
acoustic
housing wall
transducer
changing
chamber volume
Prior art date
Application number
AT04799222T
Other languages
English (en)
Inventor
Erich Klein
Original Assignee
Nxp Bv
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 Nxp Bv filed Critical Nxp Bv
Application granted granted Critical
Publication of ATE482576T1 publication Critical patent/ATE482576T1/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • 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 
    • H04R1/28—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
    • H04R1/2838—Enclosures comprising vibrating or resonating arrangements of the bandpass type
    • H04R1/2842—Enclosures comprising vibrating or resonating arrangements of the bandpass type for loudspeaker transducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/03—Constructional features of telephone transmitters or receivers, e.g. telephone hand-sets
    • H04M1/035—Improving the acoustic characteristics by means of constructional features of the housing, e.g. ribs, walls, resonating chambers or cavities
    • 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 
    • H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
    • H04R2499/10—General applications
    • H04R2499/11—Transducers incorporated or for use in hand-held devices, e.g. mobile phones, PDA's, camera's

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
  • Stereophonic System (AREA)
  • Headphones And Earphones (AREA)
AT04799222T 2003-11-25 2004-11-24 Elektroakustische vorrichtung mit kanalmitteln zum ändern der akustischen ausgangsimpedanz ATE482576T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP03104360 2003-11-25
PCT/IB2004/052523 WO2005053353A2 (en) 2003-11-25 2004-11-24 Electro-acoustic apparatus with a channel means to change the acoustic output

Publications (1)

Publication Number Publication Date
ATE482576T1 true ATE482576T1 (de) 2010-10-15

Family

ID=34626407

Family Applications (1)

Application Number Title Priority Date Filing Date
AT04799222T ATE482576T1 (de) 2003-11-25 2004-11-24 Elektroakustische vorrichtung mit kanalmitteln zum ändern der akustischen ausgangsimpedanz

Country Status (8)

Country Link
US (1) US7522741B2 (de)
EP (1) EP1692911B1 (de)
JP (1) JP2007512756A (de)
KR (1) KR20060129198A (de)
CN (1) CN1943269B (de)
AT (1) ATE482576T1 (de)
DE (1) DE602004029276D1 (de)
WO (1) WO2005053353A2 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8118134B2 (en) 2009-08-20 2012-02-21 Research In Motion Limited Front resonator for a speaker of a wireless device
EP2288177B1 (de) 2009-08-20 2013-07-31 Research In Motion Limited Frontresonator für einen Lautsprecher einer drahtlosen Vorrichtung
EP2495991A1 (de) * 2011-03-04 2012-09-05 Knowles Electronics Asia PTE. Ltd. Gehäuse aus Materialien zur Verstärkung der Tonlautstärke für Lautsprechervorrichtungen
US8971974B2 (en) 2011-04-28 2015-03-03 Nflukz, Llc Cover for hand-held electronic device
CN104115509B (zh) * 2012-01-09 2018-09-04 思睿逻辑国际半导体有限公司 集成的扬声器组件
CN103458078A (zh) * 2012-06-05 2013-12-18 宏碁股份有限公司 听筒装置
DE102016200658A1 (de) * 2016-01-20 2017-07-20 Robert Bosch Gmbh Schallwandleranordnung und Verfahren zur Herstellung einer Schallwandleranordnung
CN105828263A (zh) * 2016-05-17 2016-08-03 歌尔丹拿音响有限公司 扬声器
CN106412758B (zh) * 2016-11-18 2019-06-11 宇龙计算机通信科技(深圳)有限公司 音箱及具有所述音箱的电子设备
US10277987B1 (en) * 2017-11-27 2019-04-30 Cirrus Logic, Inc. Personal status monitoring using piezoelectric transducer

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2690300A1 (fr) * 1992-04-21 1993-10-22 Cma Cache de protection contre les poussières et son procédé de fabrication.
JPH06178375A (ja) * 1992-12-07 1994-06-24 Mitsubishi Electric Corp スピーカー装置
US5751827A (en) * 1995-03-13 1998-05-12 Primo Microphones, Inc. Piezoelectric speaker
JP3593554B2 (ja) * 1995-05-26 2004-11-24 フオスター電機株式会社 風切り音防止型マイクロホン
IT1277195B1 (it) * 1995-06-28 1997-11-05 Alcatel Dial Face Spa Perfezionamento nel sistema di equalizzazione di un trasduttore telefonico di tipo piezoceramico
JP3262982B2 (ja) * 1996-02-07 2002-03-04 スター精密株式会社 電気音響変換器
JPH114493A (ja) * 1997-06-13 1999-01-06 Sharp Corp 防塵ネット
GB2333004B (en) 1997-12-31 2002-03-27 Nokia Mobile Phones Ltd Earpiece acoustics
DK173789B1 (da) * 1998-10-05 2001-10-22 Kirk Acoustics As Elektroakustisk kommunikationsenhed
DK176255B1 (da) * 1999-10-29 2007-05-07 Sonion Horsens As Elektroakustisk kommunikationsenhed
JP2003522639A (ja) 2000-02-17 2003-07-29 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 音再生手段と振動発生手段の一部とを形成する電気音響交換器を有した装置
US7058366B2 (en) * 2002-12-09 2006-06-06 Sony Ericsson Mobile Communications Ab Wireless terminal providing sound pressure level dissipation through channeled porting of sound

Also Published As

Publication number Publication date
EP1692911A2 (de) 2006-08-23
JP2007512756A (ja) 2007-05-17
US20070147646A1 (en) 2007-06-28
CN1943269B (zh) 2011-07-06
CN1943269A (zh) 2007-04-04
DE602004029276D1 (de) 2010-11-04
US7522741B2 (en) 2009-04-21
WO2005053353A3 (en) 2006-10-12
EP1692911B1 (de) 2010-09-22
KR20060129198A (ko) 2006-12-15
WO2005053353A2 (en) 2005-06-09

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Legal Events

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