JPS5957100U - セラミツクマイクロホン - Google Patents

セラミツクマイクロホン

Info

Publication number
JPS5957100U
JPS5957100U JP1982152078U JP15207882U JPS5957100U JP S5957100 U JPS5957100 U JP S5957100U JP 1982152078 U JP1982152078 U JP 1982152078U JP 15207882 U JP15207882 U JP 15207882U JP S5957100 U JPS5957100 U JP S5957100U
Authority
JP
Japan
Prior art keywords
diaphragm
ceramic
sandwiching
capacitors
electrode plates
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.)
Pending
Application number
JP1982152078U
Other languages
English (en)
Inventor
今井　信臣
Original Assignee
株式会社プリモ
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 株式会社プリモ filed Critical 株式会社プリモ
Priority to JP1982152078U priority Critical patent/JPS5957100U/ja
Priority to CA000438277A priority patent/CA1212451A/en
Priority to US06/539,316 priority patent/US4559418A/en
Priority to EP83306040A priority patent/EP0106631B1/en
Priority to DE8383306040T priority patent/DE3373859D1/de
Publication of JPS5957100U publication Critical patent/JPS5957100U/ja
Pending 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
  • Circuit For Audible Band Transducer (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。

Description

【図面の簡単な説明】
第１〜２図は従来のセラミックマイクロホンの振動板を
示し、第１図は平面図、第２図は厚さを誇張して示した
側面図、第３図以下は本考案の実施例え示し、第３図は
振動板の平面図、第４図は厚さを誇張して示したこの振
動板の側面図、第５図は電極板等の配置を示す斜視図、
第６図は電極板とＦＥＴ回路との接続を示す線図、第７
図はこの振動板を使用したマイクロホンを略示する縦断
面図、第８図はＦＥＴ回路を取付けた振動板の斜視図、
第９図は各種マイクロホンの電気的感度を示す線画であ
る。 １：セラミ７７板、２．　２ａ　〜２ｄ、　　３．　３
−ａ　〜３ｄ：電極板、４：振動板、５，６：導線、７
，８゜９：導体片、１０．１１：端子片、ｌ　２　、Ｆ
ＥＴ回路、１３：回路の端子、１４：ケーシング、１５
．１６：増幅器。

Claims (1)

    【実用新案登録請求の範囲】
  1. 薄いセラミック板１を挾んでその両面に取付けられる電
    極板を複数個に分割し、且つセラミック板１を挾んで対
    向する電極板を正負を異ならせて分極して複数個のコン
    デンサを形成すると共に、各コンデンサを異極同士を接
    続して直列接続し振動板４に貼着し、ＦＥＴ回路に接続
    したことを特徴とするセラミックマイクロホン。
JP1982152078U 1982-10-08 1982-10-08 セラミツクマイクロホン Pending JPS5957100U (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP1982152078U JPS5957100U (ja) 1982-10-08 1982-10-08 セラミツクマイクロホン
CA000438277A CA1212451A (en) 1982-10-08 1983-10-04 Ceramic microphone
US06/539,316 US4559418A (en) 1982-10-08 1983-10-05 Ceramic microphone
EP83306040A EP0106631B1 (en) 1982-10-08 1983-10-05 Ceramic microphone
DE8383306040T DE3373859D1 (en) 1982-10-08 1983-10-05 Ceramic microphone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1982152078U JPS5957100U (ja) 1982-10-08 1982-10-08 セラミツクマイクロホン

Publications (1)

Publication Number Publication Date
JPS5957100U true JPS5957100U (ja) 1984-04-13

Family

ID=15532567

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1982152078U Pending JPS5957100U (ja) 1982-10-08 1982-10-08 セラミツクマイクロホン

Country Status (5)

Country Link
US (1) US4559418A (ja)
EP (1) EP0106631B1 (ja)
JP (1) JPS5957100U (ja)
CA (1) CA1212451A (ja)
DE (1) DE3373859D1 (ja)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4691363A (en) * 1985-12-11 1987-09-01 American Telephone & Telegraph Company, At&T Information Systems Inc. Transducer device
DK155269C (da) * 1986-07-17 1989-07-24 Brueel & Kjaer As Trykgradientmikrofon
JPH07121630B2 (ja) * 1987-05-30 1995-12-25 株式会社東芝 Ｉｃカ−ド
US7003127B1 (en) 1999-01-07 2006-02-21 Sarnoff Corporation Hearing aid with large diaphragm microphone element including a printed circuit board
US6366678B1 (en) * 1999-01-07 2002-04-02 Sarnoff Corporation Microphone assembly for hearing aid with JFET flip-chip buffer
EP1982798A3 (en) * 2000-03-16 2008-11-12 Makita Corporation Power tool
EP2397972B1 (en) * 2010-06-08 2015-01-07 Vodafone Holding GmbH Smart card with microphone

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4998196A (ja) * 1973-01-19 1974-09-17

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2769867A (en) * 1947-02-07 1956-11-06 Sonotone Corp Dielectrostrictive signal and energy transducers
US2967957A (en) * 1957-09-17 1961-01-10 Massa Frank Electroacoustic transducer
FR1354754A (fr) * 1958-11-14 1964-03-13 Transducteur bidirectionnel
US3158762A (en) * 1962-12-27 1964-11-24 John J Horan Bilaminar transducers
US3564303A (en) * 1968-10-07 1971-02-16 Westinghouse Electric Corp Encapsulated transducer assembly
GB1515287A (en) * 1974-05-30 1978-06-21 Plessey Co Ltd Piezoelectric transducers
NL7502452A (en) * 1975-03-03 1976-09-07 Philips Nv Piezo electric reversible transducer - eg a multiple sector series connected microphone membrane
SU607297A1 (ru) * 1976-12-30 1978-05-15 Предприятие П/Я Г-4097 Устройство обработки сигналов на акустических поверхностных волнах
US4376302A (en) * 1978-04-13 1983-03-08 The United States Of America As Represented By The Secretary Of The Navy Piezoelectric polymer hydrophone
US4268912A (en) * 1978-06-06 1981-05-19 Magnavox Government And Industrial Electronics Co. Directional hydrophone suitable for flush mounting
US4424419A (en) * 1981-10-19 1984-01-03 Northern Telecom Limited Electret microphone shield

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4998196A (ja) * 1973-01-19 1974-09-17

Also Published As

Publication number Publication date
US4559418A (en) 1985-12-17
CA1212451A (en) 1986-10-07
DE3373859D1 (en) 1987-10-29
EP0106631A1 (en) 1984-04-25
EP0106631B1 (en) 1987-09-23

Similar Documents

Publication Publication Date Title
JPH0245620U (ja)
JPS5957100U (ja) セラミツクマイクロホン
JPS60149300U (ja) 多分極ピエゾフイルムマイクロホン
JPS5961626U (ja) チツプ形圧電共振子構造
JPS5957008U (ja) 誘電体共振器
JPS5895032U (ja) セラミツクコンデンサ
JPS5957099U (ja) 圧電振動板
JPS5933202U (ja) チツプ形状電子部品
JPS5834728U (ja) 貫通形コンデンサ
JPS60174399U (ja) 圧電発音装置
JPS5885890U (ja) エレクトレツトコンデンサマイクロホン
JPS59270U (ja) コイン形電池
JPS6031081U (ja) フイルムセルと回路基板との間の接続構造
JPS58162621U (ja) 積層磁器コンデンサ−
JPS6059526U (ja) チツプ型電子部品
JPS5853122U (ja) 複合コンデンサ
JPS60136503U (ja) 誘電体共振器
JPS5927619U (ja) 圧電振動部品
JPS5954921U (ja) コンデンサ構造
JPS6096875U (ja) 両面回路基板
JPS59187230U (ja) 固体遅延素子
JPS58173232U (ja) 貫通形コンデンサ
JPS5911518U (ja) セラミツク発振子
JPS59148079U (ja) 端子プレ−ト
JPS5810333U (ja) 透明電極スイツチ