FI20001680A - Piezoelectric electroacoustic converter - Google Patents

Piezoelectric electroacoustic converter Download PDF

Info

Publication number
FI20001680A
FI20001680A FI20001680A FI20001680A FI20001680A FI 20001680 A FI20001680 A FI 20001680A FI 20001680 A FI20001680 A FI 20001680A FI 20001680 A FI20001680 A FI 20001680A FI 20001680 A FI20001680 A FI 20001680A
Authority
FI
Finland
Prior art keywords
electroacoustic converter
piezoelectric electroacoustic
piezoelectric
converter
electroacoustic
Prior art date
Application number
FI20001680A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI20001680A0 (en
Inventor
Kazuaki Hamada
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 FI20001680A0 publication Critical patent/FI20001680A0/en
Publication of FI20001680A publication Critical patent/FI20001680A/en

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)
FI20001680A 1999-07-22 2000-07-18 Piezoelectric electroacoustic converter FI20001680A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11207197A JP2001036993A (en) 1999-07-22 1999-07-22 Piezoelectric electro-acoustic transducer

Publications (2)

Publication Number Publication Date
FI20001680A0 FI20001680A0 (en) 2000-07-18
FI20001680A true FI20001680A (en) 2001-01-23

Family

ID=16535861

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20001680A FI20001680A (en) 1999-07-22 2000-07-18 Piezoelectric electroacoustic converter

Country Status (3)

Country Link
JP (1) JP2001036993A (en)
DE (1) DE10033576A1 (en)
FI (1) FI20001680A (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3770114B2 (en) * 2001-07-11 2006-04-26 株式会社村田製作所 Piezoelectric electroacoustic transducer and manufacturing method thereof
JP3669431B2 (en) * 2001-08-20 2005-07-06 株式会社村田製作所 Piezoelectric electroacoustic transducer
CN1926917B (en) * 2004-03-25 2011-08-03 日本电气株式会社 Piezoelectric acoustic element, acoustic device and portable terminal device
DE102005033632B4 (en) * 2005-07-19 2009-08-20 Kurt Kojer speaker
CN101964186B (en) * 2010-09-27 2013-06-12 宁波东方电子有限公司 Piezoelectric type squealer
TWI681120B (en) * 2018-05-21 2020-01-01 研能科技股份有限公司 Micro gas driving apparatus
CN114067773B (en) * 2020-07-31 2024-01-05 华为技术有限公司 Piezoelectric electroacoustic device and electronic device

Also Published As

Publication number Publication date
JP2001036993A (en) 2001-02-09
FI20001680A0 (en) 2000-07-18
DE10033576A1 (en) 2001-02-08

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Legal Events

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MA Patent expired