EP0264557A3 - Transducteur de son piézoélectrique - Google Patents

Transducteur de son piézoélectrique Download PDF

Info

Publication number
EP0264557A3
EP0264557A3 EP87111434A EP87111434A EP0264557A3 EP 0264557 A3 EP0264557 A3 EP 0264557A3 EP 87111434 A EP87111434 A EP 87111434A EP 87111434 A EP87111434 A EP 87111434A EP 0264557 A3 EP0264557 A3 EP 0264557A3
Authority
EP
European Patent Office
Prior art keywords
sound transducer
piezoelectric sound
membrane
metal membrane
ring
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.)
Withdrawn
Application number
EP87111434A
Other languages
German (de)
English (en)
Other versions
EP0264557A2 (fr
Inventor
Gerd Bertl
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.)
Stettner and Co
Original Assignee
Stettner and 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 Stettner and Co filed Critical Stettner and Co
Publication of EP0264557A2 publication Critical patent/EP0264557A2/fr
Publication of EP0264557A3 publication Critical patent/EP0264557A3/fr
Withdrawn legal-status Critical Current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
    • 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
    • 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)
EP87111434A 1986-08-27 1987-08-07 Transducteur de son piézoélectrique Withdrawn EP0264557A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19863629093 DE3629093A1 (de) 1986-08-27 1986-08-27 Piezokeramischer schallwandler
DE3629093 1986-08-27

Publications (2)

Publication Number Publication Date
EP0264557A2 EP0264557A2 (fr) 1988-04-27
EP0264557A3 true EP0264557A3 (fr) 1989-12-06

Family

ID=6308271

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87111434A Withdrawn EP0264557A3 (fr) 1986-08-27 1987-08-07 Transducteur de son piézoélectrique

Country Status (5)

Country Link
EP (1) EP0264557A3 (fr)
JP (1) JPS6367900A (fr)
KR (1) KR900006323B1 (fr)
DE (1) DE3629093A1 (fr)
IL (1) IL83648A0 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02234600A (ja) * 1989-03-07 1990-09-17 Mitsubishi Mining & Cement Co Ltd 圧電変換素子
JP3360558B2 (ja) * 1997-01-06 2002-12-24 株式会社村田製作所 圧電型電気音響変換器
GB2348564B (en) 1999-04-01 2003-06-18 Thomson Marconi Sonar Ltd Transducers

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR854121A (fr) * 1938-12-14 1940-04-05 Csf Perfectionnements aux appareils électromécaniques vibrants
DE1112548B (de) * 1960-02-01 1961-08-10 Krone Kg Sprechkapsel fuer fernmeldetechnische Zwecke
US4449019A (en) * 1980-11-10 1984-05-15 Murata Manufacturing Co., Ltd. Piezoelectric loudspeaker

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4056742A (en) * 1976-04-30 1977-11-01 Tibbetts Industries, Inc. Transducer having piezoelectric film arranged with alternating curvatures
FR2394512A1 (fr) * 1977-06-14 1979-01-12 Rhone Poulenc Ind Procede de separation d'acide acrylique a partir de ses solutions dans le phosphate de tri-n-butyle
DE3041742C2 (de) * 1980-11-05 1982-10-28 Siemens AG, 1000 Berlin und 8000 München Luftschallgeber

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR854121A (fr) * 1938-12-14 1940-04-05 Csf Perfectionnements aux appareils électromécaniques vibrants
DE1112548B (de) * 1960-02-01 1961-08-10 Krone Kg Sprechkapsel fuer fernmeldetechnische Zwecke
US4449019A (en) * 1980-11-10 1984-05-15 Murata Manufacturing Co., Ltd. Piezoelectric loudspeaker

Also Published As

Publication number Publication date
JPS6367900A (ja) 1988-03-26
DE3629093A1 (de) 1988-03-10
KR880003535A (ko) 1988-05-17
KR900006323B1 (ko) 1990-08-28
IL83648A0 (en) 1988-01-31
EP0264557A2 (fr) 1988-04-27

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Inventor name: BERTL, GERD