JPS5882100U - Electrostatic acoustic transducer - Google Patents
Electrostatic acoustic transducerInfo
- Publication number
- JPS5882100U JPS5882100U JP17624881U JP17624881U JPS5882100U JP S5882100 U JPS5882100 U JP S5882100U JP 17624881 U JP17624881 U JP 17624881U JP 17624881 U JP17624881 U JP 17624881U JP S5882100 U JPS5882100 U JP S5882100U
- Authority
- JP
- Japan
- Prior art keywords
- acoustic transducer
- electrode plate
- fixed electrode
- electrostatic acoustic
- electrostatic
- 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
Links
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
第１図及び第２図は従来の静電形音響変換器を示す断面
図、第３図は本考案の静電形音響変換器の一実施例を示
す断面図、第４図は第３図で用いられるインピーダンス
変換素子を制作するための一工程を示す図、第５図は本
考案の静電形音響変換器の他の実施例を示す断面図、第
６図は本考案の静電形音響変換器の使用例を説明する図
である。
１・・・・・・固定電極板、２・・・・・・高分子誘電
体層、３・・・・・・固定電極、４・・・・・・支持筒
、５・・・・・・スペーサ、６・・・・・・膜リング、
７・・・・・・振動膜、８・・・・・・基板、９・・・
・・・ケース、１０・・・・・・インピーダンス変換素
子、１１・・・・・・入力端子、１３・・・・・・出力
端子、１５・・・・・・電極板。1 and 2 are sectional views showing a conventional electrostatic acoustic transducer, FIG. 3 is a sectional view showing an embodiment of the electrostatic acoustic transducer of the present invention, and FIG. 4 is a sectional view showing an embodiment of the electrostatic acoustic transducer of the present invention. Figure 5 is a sectional view showing another embodiment of the electrostatic acoustic transducer of the present invention, and Figure 6 is the electrostatic type acoustic transducer of the present invention. It is a figure explaining the example of use of an acoustic transducer. DESCRIPTION OF SYMBOLS 1...Fixed electrode plate, 2...Polymer dielectric layer, 3...Fixed electrode, 4...Support tube, 5...・Spacer, 6...Membrane ring,
7... Vibration membrane, 8... Substrate, 9...
... Case, 10 ... Impedance conversion element, 11 ... Input terminal, 13 ... Output terminal, 15 ... Electrode plate.
Claims (1)
、前記固定電極板または前記振動板の対向面の少なくと
も何れか一方にエレクトレット化した高分子誘電体層を
形成してなる静電形音響変換器において、前記固定電極
板を保磁力の良好な磁性体で構成したことを特徴とする
静電形音響変換器。A diaphragm is arranged in front of a fixed electrode plate at a slight interval, and an electret polymer dielectric layer is formed on at least one of the opposing surface of the fixed electrode plate or the diaphragm. An electrostatic acoustic transducer characterized in that the fixed electrode plate is made of a magnetic material with good coercive force.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17624881U JPS5882100U (en) | 1981-11-27 | 1981-11-27 | Electrostatic acoustic transducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17624881U JPS5882100U (en) | 1981-11-27 | 1981-11-27 | Electrostatic acoustic transducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5882100U true JPS5882100U (en) | 1983-06-03 |
Family
ID=29969114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17624881U Pending JPS5882100U (en) | 1981-11-27 | 1981-11-27 | Electrostatic acoustic transducer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5882100U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0523698U (en) * | 1991-09-09 | 1993-03-26 | ホシデン株式会社 | Electret condenser microphone unit |
-
1981
- 1981-11-27 JP JP17624881U patent/JPS5882100U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0523698U (en) * | 1991-09-09 | 1993-03-26 | ホシデン株式会社 | Electret condenser microphone unit |
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