JPS6132879B2 - - Google Patents

Info

Publication number
JPS6132879B2
JPS6132879B2 JP56000626A JP62681A JPS6132879B2 JP S6132879 B2 JPS6132879 B2 JP S6132879B2 JP 56000626 A JP56000626 A JP 56000626A JP 62681 A JP62681 A JP 62681A JP S6132879 B2 JPS6132879 B2 JP S6132879B2
Authority
JP
Japan
Prior art keywords
circular
diaphragm
low
ceramic plate
piezoelectric ceramic
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
Application number
JP56000626A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57113697A (en
Inventor
Tadashi Takaya
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.)
Murata Manufacturing Co Ltd
Original Assignee
Murata Manufacturing Co 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
Application filed by Murata Manufacturing Co Ltd filed Critical Murata Manufacturing Co Ltd
Priority to JP56000626A priority Critical patent/JPS57113697A/ja
Priority to US06/336,038 priority patent/US4439640A/en
Publication of JPS57113697A publication Critical patent/JPS57113697A/ja
Publication of JPS6132879B2 publication Critical patent/JPS6132879B2/ja
Granted legal-status Critical Current

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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
JP56000626A 1981-01-05 1981-01-05 Piezoelectric type speaker Granted JPS57113697A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP56000626A JPS57113697A (en) 1981-01-05 1981-01-05 Piezoelectric type speaker
US06/336,038 US4439640A (en) 1981-01-05 1981-12-31 Piezoelectric loudspeaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56000626A JPS57113697A (en) 1981-01-05 1981-01-05 Piezoelectric type speaker

Publications (2)

Publication Number Publication Date
JPS57113697A JPS57113697A (en) 1982-07-15
JPS6132879B2 true JPS6132879B2 (US06229276-20010508-P00022.png) 1986-07-30

Family

ID=11478930

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56000626A Granted JPS57113697A (en) 1981-01-05 1981-01-05 Piezoelectric type speaker

Country Status (2)

Country Link
US (1) US4439640A (US06229276-20010508-P00022.png)
JP (1) JPS57113697A (US06229276-20010508-P00022.png)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6045596U (ja) * 1983-09-02 1985-03-30 パイオニア株式会社 圧電発音体
JPS60134700A (ja) * 1983-12-23 1985-07-17 Nippon Denso Co Ltd 発音装置
US4717826A (en) * 1986-06-26 1988-01-05 Spectro-Scan, Inc. Method for determining intracellular mineral levels
US5023504A (en) * 1990-04-26 1991-06-11 Motorola, Inc. Piezo-electric resonant vibrator for selective call receiver
WO1992019018A1 (en) * 1991-04-17 1992-10-29 Motorola, Inc. Piezo-electric resonant vibrator for a selective call receiver
GB9221953D0 (en) * 1992-10-20 1992-12-02 Gosling Andrew J Compact slogan advertsing device
US5828768A (en) * 1994-05-11 1998-10-27 Noise Cancellation Technologies, Inc. Multimedia personal computer with active noise reduction and piezo speakers
US5638456A (en) * 1994-07-06 1997-06-10 Noise Cancellation Technologies, Inc. Piezo speaker and installation method for laptop personal computer and other multimedia applications
US5751827A (en) * 1995-03-13 1998-05-12 Primo Microphones, Inc. Piezoelectric speaker
US5805726A (en) * 1995-08-11 1998-09-08 Industrial Technology Research Institute Piezoelectric full-range loudspeaker
US6266426B1 (en) 1995-09-02 2001-07-24 New Transducers Limited Visual display means incorporating loudspeakers
MX9801518A (es) 1995-09-02 1998-05-31 New Transducers Ltd Vehiculo para pasajeros que incorporan altavoces que comprenden elementos acusticos radiantes en forma de panel.
US5901231A (en) 1995-09-25 1999-05-04 Noise Cancellation Technologies, Inc. Piezo speaker for improved passenger cabin audio systems
US5838805A (en) * 1995-11-06 1998-11-17 Noise Cancellation Technologies, Inc. Piezoelectric transducers
JP3233041B2 (ja) * 1996-08-13 2001-11-26 株式会社村田製作所 圧電型電気音響変換器
US6169809B1 (en) * 1996-09-02 2001-01-02 New Transducers Limited Visual display means incorporating loudspeakers
AU7717398A (en) 1997-06-19 1999-01-04 Nct Group, Inc. Loudspeaker assembly
DE19757097B4 (de) * 1997-12-20 2004-04-15 Harman Audio Electronic Systems Gmbh Schallwiedergabeanordnung
US6181797B1 (en) 1999-01-09 2001-01-30 Noise Cancellation Technologies, Inc. Piezo speaker for improved passenger cabin audio systems
US6127918A (en) * 1999-05-26 2000-10-03 Lin; Kuang-Yao Buzzer with a sound film and equalizing or whirlpool sound mechanism
DE10063242C2 (de) * 2000-12-19 2003-02-20 Siemens Ag Kommunikationsendgerät mit Antenne
BE1015150A3 (nl) * 2002-10-21 2004-10-05 Sonitron Nv Verbeterde transducent
US7167130B2 (en) * 2003-08-01 2007-01-23 Sony Ericsson Mobile Communications Ab Internal antenna and flat panel speaker assemblies and mobile terminals including the same
US20060013417A1 (en) * 2004-07-16 2006-01-19 Intier Automotive Inc. Acoustical panel assembly
EP1952667A1 (en) 2005-11-14 2008-08-06 Nxp B.V. Asymmetrical moving system for a piezoelectric speaker and asymmetrical speaker
CN101467468B (zh) * 2006-06-08 2012-09-05 楼氏电子亚洲有限公司 声学装置及其制造方法
JP4185946B2 (ja) * 2006-07-20 2008-11-26 ホシデン株式会社 圧電型電気音響変換器
CN101611538A (zh) * 2007-01-12 2009-12-23 日本电气株式会社 压电致动器和电子装置
DE102007035189A1 (de) * 2007-07-25 2009-02-05 Siemens Ag Vorrichtung zum Einkoppeln mechanischer Schwingungen in ein flächiges, biegesteifes Schallabgabeelement und Flächenlautsprecher
JP2009188801A (ja) * 2008-02-07 2009-08-20 Panasonic Corp 圧電スピーカ
TWI381747B (zh) * 2008-12-17 2013-01-01 Ind Tech Res Inst 微型揚聲器及其製造方法
US9264802B2 (en) 2012-12-13 2016-02-16 Google Inc. Computing device utilizing a resting surface as a speaker
CN107360487A (zh) * 2016-05-10 2017-11-17 陈引捷 发声装置和音响设备
CN108769863B (zh) * 2017-10-10 2020-10-09 数码绿洲有限公司 一种新型共鸣发音平板音响

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3005708C2 (de) * 1980-02-15 1984-08-30 Siemens AG, 1000 Berlin und 8000 München Wandlerplatte für piezoelektrische Wandler

Also Published As

Publication number Publication date
US4439640A (en) 1984-03-27
JPS57113697A (en) 1982-07-15

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