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JPS5885889U - electret condenser microphone - Google Patents

electret condenser microphone

Info

Publication number
JPS5885889U
JPS5885889U JP18131881U JP18131881U JPS5885889U JP S5885889 U JPS5885889 U JP S5885889U JP 18131881 U JP18131881 U JP 18131881U JP 18131881 U JP18131881 U JP 18131881U JP S5885889 U JPS5885889 U JP S5885889U
Authority
JP
Japan
Prior art keywords
condenser microphone
electret condenser
air chamber
conversion element
impedance conversion
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.)
Granted
Application number
JP18131881U
Other languages
Japanese (ja)
Other versions
JPH0134477Y2 (en
Inventor
馬場　啓之
秋本　義孝
Original Assignee
松下電器産業株式会社
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 松下電器産業株式会社 filed Critical 松下電器産業株式会社
Priority to JP18131881U priority Critical patent/JPS5885889U/en
Publication of JPS5885889U publication Critical patent/JPS5885889U/en
Application granted granted Critical
Publication of JPH0134477Y2 publication Critical patent/JPH0134477Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Details Of Audible-Bandwidth Transducers (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (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。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は従来のエレクトレットコンデンサマイクロホン
の断面図、第２図は本考案の一実施例におけるエレクト
レットコンデンサマイクロホンの断面図、第３図は別の
実施例におけるエレクトレットコンデンサマイクロホン
の要部の断面図である。 ６・・・背電極、７・・・絶縁体、９・・・電気インピ
ーダンス変換用素子、１０・・・背気室。Fig. 1 is a sectional view of a conventional electret condenser microphone, Fig. 2 is a sectional view of an electret condenser microphone according to one embodiment of the present invention, and Fig. 3 is a sectional view of main parts of an electret condenser microphone according to another embodiment. be. 6... Back electrode, 7... Insulator, 9... Element for electrical impedance conversion, 10... Back air chamber.

Claims (1)

【実用新案登録請求の範囲】 １　背電極保持兼背気室形成用の絶縁体の一部に、入力
部が前記背電極に結合される電気インピーダンス変換用
素子の収容部を設け、かつこの収容部を前記背気室と分
離されたエレクトレットコンデンサマイクロホン。 ２　背気室は電気インピーダンス変換用素子の収容部の
外周に設けられた実用新案登録請求の範囲第１　項記載
のエレクトレットコンデンサマイクロホン。 ３　電気インピーダンス変換用素子の収容部への収容は
、背型極側あるいはその反対側から行なうように構成さ
れた実用新案登録請求の範囲第１項または第２項記載の
エレクトレットコンデンサマイクロホン。[Claims for Utility Model Registration] 1. A housing part for an electrical impedance conversion element whose input part is coupled to the back electrode is provided in a part of the insulator for holding the back electrode and forming the back air chamber, and An electret condenser microphone whose part is separated from the back air chamber. 2. The electret condenser microphone according to claim 1, wherein the back air chamber is provided on the outer periphery of the housing portion of the electrical impedance conversion element. 3. The electret condenser microphone according to claim 1 or 2, wherein the electric impedance conversion element is housed in the housing portion from the back pole side or the opposite side.
JP18131881U 1981-12-04 1981-12-04 electret condenser microphone Granted JPS5885889U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18131881U JPS5885889U (en) 1981-12-04 1981-12-04 electret condenser microphone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18131881U JPS5885889U (en) 1981-12-04 1981-12-04 electret condenser microphone

Publications (2)

Publication Number Publication Date
JPS5885889U true JPS5885889U (en) 1983-06-10
JPH0134477Y2 JPH0134477Y2 (en) 1989-10-19

Family

ID=29978689

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18131881U Granted JPS5885889U (en) 1981-12-04 1981-12-04 electret condenser microphone

Country Status (1)

Country Link
JP (1) JPS5885889U (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5593193U (en) * 1978-12-23 1980-06-27
JPS5593192U (en) * 1978-12-23 1980-06-27

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5593193U (en) * 1978-12-23 1980-06-27
JPS5593192U (en) * 1978-12-23 1980-06-27

Also Published As

Publication number Publication date
JPH0134477Y2 (en) 1989-10-19

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