WO2005027571A1 - Electromechanical force transducer - Google Patents

Electromechanical force transducer Download PDF

Info

Publication number
WO2005027571A1
WO2005027571A1 PCT/GB2004/003843 GB2004003843W WO2005027571A1 WO 2005027571 A1 WO2005027571 A1 WO 2005027571A1 GB 2004003843 W GB2004003843 W GB 2004003843W WO 2005027571 A1 WO2005027571 A1 WO 2005027571A1
Authority
WO
WIPO (PCT)
Prior art keywords
transducer
transducer according
modes
stub
resonant
Prior art date
Application number
PCT/GB2004/003843
Other languages
English (en)
French (fr)
Inventor
Mark William Starnes
James John East
Neil Simon Owen
Steven Mark Hoyle
Original Assignee
New Transducers Limited
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 New Transducers Limited filed Critical New Transducers Limited
Priority to KR1020067005034A priority Critical patent/KR101176671B1/ko
Priority to CN2004800241303A priority patent/CN1839659B/zh
Priority to DE602004005060T priority patent/DE602004005060T2/de
Priority to EP04768390A priority patent/EP1665879B1/de
Priority to JP2006525885A priority patent/JP5128127B2/ja
Publication of WO2005027571A1 publication Critical patent/WO2005027571A1/en
Priority to US11/372,345 priority patent/US7475598B2/en
Priority to HK06113403A priority patent/HK1094748A1/xx

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
    • H04R17/00—Piezoelectric transducers; Electrostrictive transducers
    • 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
    • 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
    • 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
PCT/GB2004/003843 2003-09-11 2004-09-09 Electromechanical force transducer WO2005027571A1 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
KR1020067005034A KR101176671B1 (ko) 2003-09-11 2004-09-09 전기기계적 힘 트랜스듀서
CN2004800241303A CN1839659B (zh) 2003-09-11 2004-09-09 机电力换能器
DE602004005060T DE602004005060T2 (de) 2003-09-11 2004-09-09 Elektromechanischer kraftwandler
EP04768390A EP1665879B1 (de) 2003-09-11 2004-09-09 Elektromechanischer kraftwandler
JP2006525885A JP5128127B2 (ja) 2003-09-11 2004-09-09 電気機械式力変換器
US11/372,345 US7475598B2 (en) 2003-09-11 2006-03-10 Electromechanical force transducer
HK06113403A HK1094748A1 (en) 2003-09-11 2006-12-06 Electromechanical force transducer

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB0321292.5A GB0321292D0 (en) 2003-09-11 2003-09-11 Transducer
GB0321292.5 2003-09-11

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US11/372,345 Continuation-In-Part US7475598B2 (en) 2003-09-11 2006-03-10 Electromechanical force transducer

Publications (1)

Publication Number Publication Date
WO2005027571A1 true WO2005027571A1 (en) 2005-03-24

Family

ID=29226902

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2004/003843 WO2005027571A1 (en) 2003-09-11 2004-09-09 Electromechanical force transducer

Country Status (9)

Country Link
EP (1) EP1665879B1 (de)
JP (1) JP5128127B2 (de)
KR (1) KR101176671B1 (de)
CN (1) CN1839659B (de)
DE (1) DE602004005060T2 (de)
GB (1) GB0321292D0 (de)
HK (1) HK1094748A1 (de)
TW (1) TWI343755B (de)
WO (1) WO2005027571A1 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006003367A1 (en) * 2004-06-30 2006-01-12 New Transducers Limited Piezoelectric inertial transducer
WO2019116038A1 (en) * 2017-12-13 2019-06-20 Nvf Tech Ltd Distributed mode loudspeaker actuator including patterned electrodes
WO2019122892A1 (en) * 2017-12-22 2019-06-27 Nvf Tech Ltd Two-dimensional distributed mode actuator

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6304168B2 (ja) * 2015-08-06 2018-04-04 Tdk株式会社 圧電モジュール
US10631072B2 (en) * 2018-06-25 2020-04-21 Google Llc Actuator for distributed mode loudspeaker with extended damper and systems including the same
JP7148481B2 (ja) 2019-12-04 2022-10-05 エルジー ディスプレイ カンパニー リミテッド 表示装置
KR20220128355A (ko) 2020-01-17 2022-09-20 썬전 샥 컴퍼니 리미티드 마이크로폰 및 그 마이크로폰을 구비하는 전자 디바이스
WO2021142913A1 (en) * 2020-01-17 2021-07-22 Shenzhen Voxtech Co., Ltd. Microphone and electronic device having the same
BR112022012943A2 (pt) * 2020-01-17 2022-09-13 Shenzhen Shokz Co Ltd Microfone e dispositivo eletrônico contendo o mesmo

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3440363A (en) * 1965-11-26 1969-04-22 Bell Telephone Labor Inc Shock-resistant microphone
US4969197A (en) * 1988-06-10 1990-11-06 Murata Manufacturing Piezoelectric speaker
US20010026625A1 (en) * 1998-07-03 2001-10-04 Henry Azima Resonant panel-form loudspeaker
US20030059069A1 (en) * 2000-01-27 2003-03-27 New Transducers Limited Loudspeaker

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63110900A (ja) * 1986-10-28 1988-05-16 Murata Mfg Co Ltd 振動アラ−ム装置
US5805726A (en) * 1995-08-11 1998-09-08 Industrial Technology Research Institute Piezoelectric full-range loudspeaker
JP2000201398A (ja) 1998-06-30 2000-07-18 Shinsei Kk スピ―カ
TW511391B (en) * 2000-01-24 2002-11-21 New Transducers Ltd Transducer
JP2004087662A (ja) * 2002-08-26 2004-03-18 Fdk Corp 圧電素子

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3440363A (en) * 1965-11-26 1969-04-22 Bell Telephone Labor Inc Shock-resistant microphone
US4969197A (en) * 1988-06-10 1990-11-06 Murata Manufacturing Piezoelectric speaker
US20010026625A1 (en) * 1998-07-03 2001-10-04 Henry Azima Resonant panel-form loudspeaker
US20030059069A1 (en) * 2000-01-27 2003-03-27 New Transducers Limited Loudspeaker

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7916880B2 (en) 2004-06-30 2011-03-29 New Transducers Limited Transducer
WO2006003367A1 (en) * 2004-06-30 2006-01-12 New Transducers Limited Piezoelectric inertial transducer
TWI712320B (zh) * 2017-12-13 2020-12-01 美商谷歌有限責任公司 包括經圖案化電極之分佈模式揚聲器致動器
WO2019116038A1 (en) * 2017-12-13 2019-06-20 Nvf Tech Ltd Distributed mode loudspeaker actuator including patterned electrodes
EP4109926A1 (de) * 2017-12-13 2022-12-28 Google LLC Lautsprecher mit verteiltem modus, einschliesslich strukturierter elektroden
US10631089B2 (en) 2017-12-13 2020-04-21 Google Llc Distributed mode loudspeaker actuator including patterned electrodes
US11032643B2 (en) 2017-12-13 2021-06-08 Google Llc Distributed mode loudspeaker actuator including patterned electrodes
TWI712321B (zh) * 2017-12-22 2020-12-01 美商谷歌有限責任公司 二維分佈模式致動器
US10681471B2 (en) 2017-12-22 2020-06-09 Google Llc Two-dimensional distributed mode actuator
EP3917166A1 (de) * 2017-12-22 2021-12-01 Google LLC Zweidimensionaler distributed mode aktuator
US11356782B2 (en) 2017-12-22 2022-06-07 Google Llc Two-dimensional distributed mode actuator
TWI771848B (zh) * 2017-12-22 2022-07-21 美商谷歌有限責任公司 二維分佈模式致動器
WO2019122892A1 (en) * 2017-12-22 2019-06-27 Nvf Tech Ltd Two-dimensional distributed mode actuator

Also Published As

Publication number Publication date
TWI343755B (en) 2011-06-11
HK1094748A1 (en) 2007-04-04
GB0321292D0 (en) 2003-10-15
KR101176671B1 (ko) 2012-08-23
EP1665879A1 (de) 2006-06-07
CN1839659A (zh) 2006-09-27
TW200522760A (en) 2005-07-01
JP5128127B2 (ja) 2013-01-23
KR20060119972A (ko) 2006-11-24
DE602004005060D1 (de) 2007-04-12
EP1665879B1 (de) 2007-02-28
JP2007505539A (ja) 2007-03-08
DE602004005060T2 (de) 2007-11-22
CN1839659B (zh) 2011-05-04

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