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AU2003304673A1 - Piezoelectric microspeaker with corrugated diaphragm - Google Patents

Piezoelectric microspeaker with corrugated diaphragm

Info

Publication number
AU2003304673A1
AU2003304673A1 AU2003304673A AU2003304673A AU2003304673A1 AU 2003304673 A1 AU2003304673 A1 AU 2003304673A1 AU 2003304673 A AU2003304673 A AU 2003304673A AU 2003304673 A AU2003304673 A AU 2003304673A AU 2003304673 A1 AU2003304673 A1 AU 2003304673A1
Authority
AU
Australia
Prior art keywords
corrugated diaphragm
piezoelectric microspeaker
microspeaker
piezoelectric
corrugated
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.)
Abandoned
Application number
AU2003304673A
Inventor
Seung-Hwan Yi
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of AU2003304673A1 publication Critical patent/AU2003304673A1/en
Abandoned 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)
AU2003304673A 2003-11-27 2003-11-27 Piezoelectric microspeaker with corrugated diaphragm Abandoned AU2003304673A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/KR2003/002582 WO2005053357A1 (en) 2003-11-27 2003-11-27 Piezoelectric microspeaker with corrugated diaphragm

Publications (1)

Publication Number Publication Date
AU2003304673A1 true AU2003304673A1 (en) 2005-06-17

Family

ID=34631994

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2003304673A Abandoned AU2003304673A1 (en) 2003-11-27 2003-11-27 Piezoelectric microspeaker with corrugated diaphragm

Country Status (2)

Country Link
AU (1) AU2003304673A1 (en)
WO (1) WO2005053357A1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101520070B1 (en) 2008-09-22 2015-05-14 삼성전자 주식회사 Piezoelectric microspeaker and its fabrication method
US8363864B2 (en) 2008-09-25 2013-01-29 Samsung Electronics Co., Ltd. Piezoelectric micro-acoustic transducer and method of fabricating the same
KR101562339B1 (en) 2008-09-25 2015-10-22 삼성전자 주식회사 Piezoelectric microspeaker and its fabrication method
US8116508B2 (en) * 2008-09-26 2012-02-14 Nokia Corporation Dual-mode loudspeaker
JP6024655B2 (en) 2011-03-31 2016-11-16 日本電気株式会社 Oscillator and electronic device
CN103033295A (en) * 2012-12-26 2013-04-10 南京高华科技有限公司 Sensor
CN103736202B (en) * 2014-01-07 2015-12-09 上海交通大学 A preparation method of ring-shaped Kraft microelectrode based on self-stress bending
CN108648740A (en) * 2018-06-22 2018-10-12 肇庆奥迪威传感科技有限公司 Buzzer, piezoelectricity singing piece and its manufacturing method
CN112678764B (en) * 2021-03-15 2021-07-30 山东新港电子科技有限公司 MEMS chip, manufacturing method thereof and MEMS microphone

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03293897A (en) * 1990-04-11 1991-12-25 Nitsuko Corp Thin speaker
DD301685A9 (en) * 1990-07-20 1993-06-24 Nordhausen Fernmeldetech Gmbh ACOUSTIC COMPONENT SYSTEM FOR HAND APPARATES
JPH06350371A (en) * 1993-06-10 1994-12-22 Matsushita Electric Ind Co Ltd Manufacture of piezoelectric device
US6028389A (en) * 1998-05-26 2000-02-22 The Charles Stark Draper Laboratory, Inc. Micromachined piezoelectric transducer
US6424237B1 (en) * 2000-12-21 2002-07-23 Agilent Technologies, Inc. Bulk acoustic resonator perimeter reflection system

Also Published As

Publication number Publication date
WO2005053357A1 (en) 2005-06-09

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase