NO993327D0 - Piezoelektrisk elektroakustisk omvandler - Google Patents

Piezoelektrisk elektroakustisk omvandler

Info

Publication number
NO993327D0
NO993327D0 NO993327A NO993327A NO993327D0 NO 993327 D0 NO993327 D0 NO 993327D0 NO 993327 A NO993327 A NO 993327A NO 993327 A NO993327 A NO 993327A NO 993327 D0 NO993327 D0 NO 993327D0
Authority
NO
Norway
Prior art keywords
electroacoustic converter
piezoelectric electroacoustic
piezoelectric
converter
electroacoustic
Prior art date
Application number
NO993327A
Other languages
English (en)
Other versions
NO313780B1 (no
NO993327L (no
Inventor
Kazuaki Yamamoto
Original Assignee
Murata Manufacturing Co
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 Murata Manufacturing Co filed Critical Murata Manufacturing Co
Publication of NO993327D0 publication Critical patent/NO993327D0/no
Publication of NO993327L publication Critical patent/NO993327L/no
Publication of NO313780B1 publication Critical patent/NO313780B1/no

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
    • H04R17/02—Microphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R31/00—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
    • H04R31/003—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor for diaphragms or their outer suspension
    • 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
    • H04R1/06—Arranging circuit leads; Relieving strain on circuit leads
    • 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
    • H04R2307/00—Details of diaphragms or cones for electromechanical transducers, their suspension or their manufacture covered by H04R7/00 or H04R31/003, not provided for in any of its subgroups
    • H04R2307/023—Diaphragms comprising ceramic-like materials, e.g. pure ceramic, glass, boride, nitride, carbide, mica and carbon materials

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Manufacturing & Machinery (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
NO19993327A 1997-01-06 1999-07-05 Piezoelektrisk elektroakustisk omvandler NO313780B1 (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP00034197A JP3360558B2 (ja) 1997-01-06 1997-01-06 圧電型電気音響変換器
PCT/JP1997/004453 WO1998031189A1 (fr) 1997-01-06 1997-12-05 Transducteur electroacoustique et piezo-electrique

Publications (3)

Publication Number Publication Date
NO993327D0 true NO993327D0 (no) 1999-07-05
NO993327L NO993327L (no) 1999-07-05
NO313780B1 NO313780B1 (no) 2002-11-25

Family

ID=11471183

Family Applications (1)

Application Number Title Priority Date Filing Date
NO19993327A NO313780B1 (no) 1997-01-06 1999-07-05 Piezoelektrisk elektroakustisk omvandler

Country Status (6)

Country Link
US (1) US6587567B1 (no)
EP (1) EP0957659A1 (no)
JP (1) JP3360558B2 (no)
KR (1) KR100368128B1 (no)
NO (1) NO313780B1 (no)
WO (1) WO1998031189A1 (no)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6445108B1 (en) * 1999-02-19 2002-09-03 Murata Manufacturing Co., Ltd. Piezoelectric acoustic component
DE10042185B4 (de) * 2000-07-10 2006-02-16 Murata Mfg. Co., Ltd., Nagaokakyo Piezoelektrischer elektroakustischer Wandler
JP3770114B2 (ja) * 2001-07-11 2006-04-26 株式会社村田製作所 圧電型電気音響変換器およびその製造方法
US6931929B2 (en) * 2002-04-10 2005-08-23 Akebono Brake Industry Co., Ltd. Filler detection method and filler detection device
JP3979334B2 (ja) * 2003-04-21 2007-09-19 株式会社村田製作所 圧電型電気音響変換器
JP2005045691A (ja) * 2003-07-24 2005-02-17 Taiyo Yuden Co Ltd 圧電振動装置
US8265291B2 (en) * 2005-11-15 2012-09-11 Active Signal Technologies, Inc. High sensitivity noise immune stethoscope
US20080080734A1 (en) * 2006-10-03 2008-04-03 Forth Robert A Sports audio player and two-way voice/data communication device
FR2938780B1 (fr) * 2008-11-25 2011-04-22 Sealynx Automotive Transieres Ensemble a transducteur piezo-electrique a connexions electriques perfectionnees, emetteur ou recepteur sonore et dispositif capteur de detection de choc ou pincement d'un obstacle ainsi equipes.
CN201654740U (zh) * 2010-02-01 2010-11-24 瑞声光电科技(常州)有限公司 触控反馈装置
US8577073B2 (en) 2010-05-12 2013-11-05 Dennis A. Tracy Rectangular wall mounted speaker assembly
JP5771952B2 (ja) * 2010-11-01 2015-09-02 日本電気株式会社 発振装置および電子機器
JP6126990B2 (ja) 2011-08-08 2017-05-10 北陸電気工業株式会社 圧電発音素子
TW201330643A (zh) * 2012-01-05 2013-07-16 Chief Land Electronic Co Ltd 振動喇叭
TW201330642A (zh) * 2012-01-05 2013-07-16 Chief Land Electronic Co Ltd 振動喇叭
CN103065617A (zh) * 2012-12-30 2013-04-24 哈尔滨固泰电子有限责任公司 采用超声波焊接工艺的车用无触点电子喇叭
JP6222185B2 (ja) * 2015-08-11 2017-11-01 Tdk株式会社 圧電発音体
WO2018061302A1 (ja) * 2016-09-28 2018-04-05 株式会社村田製作所 圧電発音部品、及びその製造方法
CN108141675B (zh) * 2016-09-28 2020-05-12 株式会社村田制作所 压电发声部件

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2242756A (en) * 1939-02-11 1941-05-20 Bell Telephone Labor Inc Piezoelectric device
US4436648A (en) * 1980-12-22 1984-03-13 Bell Telephone Laboratories, Incorporated Electrically conducting thermoplastic material, its manufacture, and resulting article
JPS62109500A (ja) 1985-11-07 1987-05-20 Matsushita Electric Ind Co Ltd 圧電形電気音響変換器の製造方法
DE3629093A1 (de) * 1986-08-27 1988-03-10 Stettner & Co Piezokeramischer schallwandler
US4969197A (en) * 1988-06-10 1990-11-06 Murata Manufacturing Piezoelectric speaker
US4931556A (en) 1988-10-17 1990-06-05 Eli Lilly And Company Method of resolving cis 3-amino-4-(2-(2-furyl)eth-1-yl)-methoxycarbonylmethyl-azetidin-2-one and malic acid salts thereof
JPH03125396A (ja) 1989-10-11 1991-05-28 Nec Corp Ｄｒａｍのリフレッシュ制御回路
JPH03125396U (no) * 1990-03-30 1991-12-18
JP2761970B2 (ja) * 1990-07-09 1998-06-04 住友特殊金属株式会社 透明スピーカー
US5317305A (en) * 1992-01-30 1994-05-31 Campman James P Personal alarm device with vibrating accelerometer motion detector and planar piezoelectric hi-level sound generator
US5490220A (en) * 1992-03-18 1996-02-06 Knowles Electronics, Inc. Solid state condenser and microphone devices
DE69420946T2 (de) * 1993-08-31 2000-04-20 Kubota Kk Antidiebstahlvorrichtung
US5889871A (en) * 1993-10-18 1999-03-30 The United States Of America As Represented By The Secretary Of The Navy Surface-laminated piezoelectric-film sound transducer
US5590908A (en) * 1995-07-07 1997-01-07 Carr; Donald W. Sports board having a pressure sensitive panel responsive to contact between the sports board and a surface being ridden

Also Published As

Publication number Publication date
EP0957659A1 (en) 1999-11-17
JP3360558B2 (ja) 2002-12-24
US6587567B1 (en) 2003-07-01
KR20000069923A (ko) 2000-11-25
KR100368128B1 (ko) 2003-01-15
WO1998031189A1 (fr) 1998-07-16
JPH10200994A (ja) 1998-07-31
NO313780B1 (no) 2002-11-25
NO993327L (no) 1999-07-05

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Legal Events

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