JPS6418898U - - Google Patents

Info

Publication number
JPS6418898U
JPS6418898U JP11322487U JP11322487U JPS6418898U JP S6418898 U JPS6418898 U JP S6418898U JP 11322487 U JP11322487 U JP 11322487U JP 11322487 U JP11322487 U JP 11322487U JP S6418898 U JPS6418898 U JP S6418898U
Authority
JP
Japan
Prior art keywords
holder
held
vibrating membrane
housing
insulating material
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
JP11322487U
Other languages
Japanese (ja)
Other versions
JP2514204Y2 (en
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 filed Critical
Priority to JP1987113224U priority Critical patent/JP2514204Y2/en
Priority to PCT/JP1988/000236 priority patent/WO1988006832A1/en
Priority to DE3852156T priority patent/DE3852156T2/en
Priority to US07/320,333 priority patent/US5014322A/en
Priority to EP88902236A priority patent/EP0305540B1/en
Priority to DK612988A priority patent/DK612988D0/en
Publication of JPS6418898U publication Critical patent/JPS6418898U/ja
Application granted granted Critical
Publication of JP2514204Y2 publication Critical patent/JP2514204Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)

Description

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

第１図はこの考案による静電形マイクロホンの
一例を示す断面図、第２図は従来の静電形マイク
ロホンを示す断面図である。 FIG. 1 is a sectional view showing an example of an electrostatic microphone according to this invention, and FIG. 2 is a sectional view showing a conventional electrostatic microphone.

Claims (1)

【実用新案登録請求の範囲】 (1) 匣体内に振動膜が保持され、その振動膜と
対向して背極が匣体内に配され、その背極は絶縁
材の保持具により匣体に保持された静電形マイク
ロホンにおいて、 上記絶縁材の保持具として快削性結晶ガラスが
用いられ、 かつその保持具はねじ結合により上記匣体に保
持されていることを特徴とする静電形マイクロホ
ン。 (2) 上記保持具には、上記振動膜の背室と外部
とを通じる通気孔が形成されていることを特徴と
する実用新案登録請求の範囲第１項記載の静電形
マイクロホン。[Scope of Claim for Utility Model Registration] (1) A vibrating membrane is held within the housing, a back electrode is disposed within the housing facing the vibrating membrane, and the back electrode is held in the housing by a holder made of an insulating material. An electrostatic microphone according to the present invention, wherein a free-cutting crystal glass is used as a holder for the insulating material, and the holder is held in the casing by screw connection. (2) The electrostatic microphone according to claim 1, wherein the holder is provided with a ventilation hole that communicates between the back chamber of the vibrating membrane and the outside.
JP1987113224U 1987-03-04 1987-07-22 Electrostatic microphone Expired - Lifetime JP2514204Y2 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP1987113224U JP2514204Y2 (en) 1987-07-22 1987-07-22 Electrostatic microphone
PCT/JP1988/000236 WO1988006832A1 (en) 1987-03-04 1988-03-03 Diaphragm unit of a condenser microphone, a method of fabricating the same, and a condenser microphone
DE3852156T DE3852156T2 (en) 1987-03-04 1988-03-03 MEMBRANE UNIT OF AN ELECTROSTATIC MICROPHONE, A METHOD FOR THEIR PRODUCTION AND AN ELECTROSTATIC MICROPHONE.
US07/320,333 US5014322A (en) 1987-03-04 1988-03-03 Diaphragm unit of a condenser microphone, a method of fabricating the same, and a condenser microphone
EP88902236A EP0305540B1 (en) 1987-03-04 1988-03-03 Diaphragm unit of a condenser microphone, a method of fabricating the same, and a condenser microphone
DK612988A DK612988D0 (en) 1987-03-04 1988-11-03 CONDENSOR MICROPHONE AND MEMBRANE UNIT THEREOF, AND PROCEDURE FOR MANUFACTURING THE MEMBRANE UNIT

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987113224U JP2514204Y2 (en) 1987-07-22 1987-07-22 Electrostatic microphone

Publications (2)

Publication Number Publication Date
JPS6418898U true JPS6418898U (en) 1989-01-30
JP2514204Y2 JP2514204Y2 (en) 1996-10-16

Family

ID=31352869

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987113224U Expired - Lifetime JP2514204Y2 (en) 1987-03-04 1987-07-22 Electrostatic microphone

Country Status (1)

Country Link
JP (1) JP2514204Y2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003052690A (en) * 2001-08-20 2003-02-25 Akoo:Kk Electrostatic capacitance type heart sound microphone by detection of acceleration with weight stuck on mobile film

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6381390B2 (en) * 2014-09-30 2018-08-29 株式会社アコー Sound / vibration detection sensor

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5126700U (en) * 1974-08-17 1976-02-26
JPS6166500A (en) * 1984-09-10 1986-04-05 Power Reactor & Nuclear Fuel Dev Corp Capacitor type high-temperature resistant/radiation resistant microphone

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5126700U (en) * 1974-08-17 1976-02-26
JPS6166500A (en) * 1984-09-10 1986-04-05 Power Reactor & Nuclear Fuel Dev Corp Capacitor type high-temperature resistant/radiation resistant microphone

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003052690A (en) * 2001-08-20 2003-02-25 Akoo:Kk Electrostatic capacitance type heart sound microphone by detection of acceleration with weight stuck on mobile film

Also Published As

Publication number Publication date
JP2514204Y2 (en) 1996-10-16

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