KR840001425A - 분극된 고체유전 캐패시터 전자-음향 변환기 - Google Patents

분극된 고체유전 캐패시터 전자-음향 변환기 Download PDF

Info

Publication number
KR840001425A
KR840001425A KR1019820003586A KR820003586A KR840001425A KR 840001425 A KR840001425 A KR 840001425A KR 1019820003586 A KR1019820003586 A KR 1019820003586A KR 820003586 A KR820003586 A KR 820003586A KR 840001425 A KR840001425 A KR 840001425A
Authority
KR
South Korea
Prior art keywords
plate
solid dielectric
electroacoustic transducer
dielectric capacitor
polarized solid
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Withdrawn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
KR1019820003586A
Other languages
English (en)
Korean (ko)
Inventor
라비네 삐에르 (외 1)
Original Assignee
재끄 보아르
똥송 쎄에스 에프
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 재끄 보아르, 똥송 쎄에스 에프 filed Critical 재끄 보아르
Publication of KR840001425A publication Critical patent/KR840001425A/ko
Withdrawn legal-status Critical Current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
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • 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
    • H04R17/005—Piezoelectric transducers; Electrostrictive transducers using a piezoelectric polymer
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
    • H04R2499/10—General applications
    • H04R2499/11—Transducers incorporated or for use in hand-held devices, e.g. mobile phones, PDA's, camera's

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
KR1019820003586A 1981-08-11 1982-08-10 분극된 고체유전 캐패시터 전자-음향 변환기 Withdrawn KR840001425A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8115507A FR2511571A1 (fr) 1981-08-11 1981-08-11 Transducteur electroacoustique a condensateur a dielectrique solide polarise
FR8115507 1981-08-11

Publications (1)

Publication Number Publication Date
KR840001425A true KR840001425A (ko) 1984-04-30

Family

ID=9261362

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019820003586A Withdrawn KR840001425A (ko) 1981-08-11 1982-08-10 분극된 고체유전 캐패시터 전자-음향 변환기

Country Status (5)

Country Link
EP (1) EP0072289A3 (enExample)
JP (1) JPS5841000A (enExample)
KR (1) KR840001425A (enExample)
FR (1) FR2511571A1 (enExample)
GB (1) GB2111799A (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2542552B1 (fr) * 1983-03-07 1986-04-11 Thomson Csf Transducteur electroacoustique a diaphragme piezo-electrique
DE3425175A1 (de) * 1984-07-09 1986-03-27 Fernsprech- und Signalbau KG Schüler & Vershoven, 4300 Essen Piezoelektrischer, akustischer wandler
DE3425176A1 (de) * 1984-07-09 1986-02-20 Fernsprech Und Signalbau Kg Sc Piezoelektrische fernsprechkapsel
DE3825973A1 (de) * 1988-07-29 1990-02-01 Siemens Ag Elektroakustischer einheitswandler
DE10297066B4 (de) 2002-04-11 2006-08-31 Rion Co., Ltd. Elektroakustischer Wandler
DE102010021157A1 (de) * 2010-05-21 2011-11-24 Daniela Manger 3D-Stereospaltmikrofon
KR101781551B1 (ko) * 2011-07-20 2017-09-27 삼성전자주식회사 전기에너지 발생 소자 및 그 구동방법

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1131741B (de) * 1961-02-03 1962-06-20 Siemens Ag Elektrostriktive Membran fuer einen elektroakustischen Wandler
FR1334235A (fr) * 1961-09-29 1963-08-02 Siemens Ag Transformateur électro-acoustique
US4170742A (en) * 1974-07-15 1979-10-09 Pioneer Electronic Corporation Piezoelectric transducer with multiple electrode areas
GB1520118A (en) * 1975-08-11 1978-08-02 Rank Organisation Ltd Transducers
GB1565860A (en) * 1976-04-02 1980-04-23 Matsushita Electric Industrial Co Ltd Microphone utilizing high-polymer piezoelectric membrane

Also Published As

Publication number Publication date
EP0072289A2 (fr) 1983-02-16
FR2511571A1 (fr) 1983-02-18
EP0072289A3 (fr) 1983-04-06
FR2511571B1 (enExample) 1983-12-02
JPS5841000A (ja) 1983-03-10
GB2111799A (en) 1983-07-06

Similar Documents

Publication Publication Date Title
US4127749A (en) Microphone capable of cancelling mechanical generated noise
US2105010A (en) Piezoelectric device
US3941946A (en) Electrostatic transducer assembly
JPH02149199A (ja) エレクトレットコンデンサマイクロホン
GB1489351A (en) Piezo-electric transducer
US3858307A (en) Electrostatic transducer
GB2044037A (en) Electrostatic microphone
JPS6150560B2 (enExample)
US3763464A (en) Pressure transducer device
US3980838A (en) Plural electret electroacoustic transducer
US3778561A (en) Electret microphone
KR840001425A (ko) 분극된 고체유전 캐패시터 전자-음향 변환기
US3930128A (en) Electret diaphragm microphone with means to corrugate the diaphragm when in an overstressed condition
US2518331A (en) Piezoelectric crystal mounting
US2406119A (en) Microphone
US6975736B2 (en) Microphone
GB1234767A (en) Improvements in or relating to electro-acoustic transducers
US4559418A (en) Ceramic microphone
GB1276196A (en) Electro-acoustic transducer
JPS6147620A (ja) エレクトレツト構体
US3251953A (en) Electro-acoustic transducer
JP2002095092A (ja) マイクロホン
JP2011004116A (ja) コンデンサマイクロホンユニットおよびコンデンサマイクロホン
US2931865A (en) Microphones
US6356511B1 (en) Low distortion ratio hydrophone

Legal Events

Date Code Title Description
PA0109 Patent application

Patent event code: PA01091R01D

Comment text: Patent Application

Patent event date: 19820810

PG1501 Laying open of application
PC1203 Withdrawal of no request for examination