JPS62105689U - - Google Patents
Info
- Publication number
- JPS62105689U JPS62105689U JP18825086U JP18825086U JPS62105689U JP S62105689 U JPS62105689 U JP S62105689U JP 18825086 U JP18825086 U JP 18825086U JP 18825086 U JP18825086 U JP 18825086U JP S62105689 U JPS62105689 U JP S62105689U
- Authority
- JP
- Japan
- Prior art keywords
- back electrode
- circuit board
- printed circuit
- capsule
- view
- 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
Links
- 239000002775 capsule Substances 0.000 claims description 12
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 238000009423 ventilation Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Landscapes
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
Description
第１図はこの考案の基礎となる小形マイクロホ
ンの構成を示す断面図、第２図Ａは小形マイクロ
ホンで従来使用されている通気部の構成を示す平
面図、第２図ＢはＡのＭ―Ｍ断面図、第３図はプ
リント基板に対するカプセルの加締状態を示す第
２図ＡのＳ―Ｓ断面図で、Ａは加締力が弱い状態
、Ｂは加締力が強い状態を示す図、第４図はカプ
セルの角部で通気部が閉塞された状態を示す模式
断面図、第５図はこの考案の小形マイクロホンの
第１の実施例の構成を示す断面図、第６図Ａはこ
の考案における通気部の構成を示す平面図、第６
図Ｂは第６図ＡのＬ―Ｌ断面図、第７図及び第８
図はこの考案におけるカプセル内の背室と外気と
の通気部分の要部断面図、第９図はこの考案の小
形マイクロホンの第２の実施例の構成を示す断面
図、第１０図はこの考案の小形マイクロホンの第
３の実施例の構成を示す断面図である。
１１：カプセル、１５：振動板、１６：金属リ
ング、１８：背極、１９：音響通路、２１：背極
ホルダー、２８：プリント基板、３１：インピー
ダンス変換素子。
Figure 1 is a cross-sectional view showing the configuration of a small microphone that is the basis of this invention, Figure 2 A is a plan view showing the configuration of a ventilation section conventionally used in small microphones, and Figure 2 B is the M- M cross-sectional view, Figure 3 is a SS cross-sectional view of Figure 2A showing the state of tightening of the capsule to the printed circuit board, where A shows a state where the fastening force is weak and B shows a state where the fastening force is strong. , FIG. 4 is a schematic sectional view showing a state in which the vent is closed at the corner of the capsule, FIG. 5 is a sectional view showing the configuration of the first embodiment of the small microphone of this invention, and FIG. Plan view showing the configuration of the ventilation section in this invention, No. 6
Figure B is the LL sectional view of Figure 6A, Figures 7 and 8.
The figure is a cross-sectional view of the main part of the ventilation part between the back chamber in the capsule and the outside air in this invention, FIG. 9 is a cross-sectional view showing the configuration of a second embodiment of the small microphone of this invention, and FIG. 10 is a cross-sectional view of the second embodiment of the small microphone of this invention. FIG. 3 is a sectional view showing the configuration of a third embodiment of the small microphone. 11: capsule, 15: diaphragm, 16: metal ring, 18: back electrode, 19: acoustic path, 21: back electrode holder, 28: printed circuit board, 31: impedance conversion element.
補正 昭６１．１２．２９
実用新案登録請求の範囲を次のように補正する
。Amendment December 29, 1981 The scope of claims for utility model registration is amended as follows.
【実用新案登録請求の範囲】
カプセル内に振動板が収容され、
その振動板と近接対向して背極が配設され、
この背極が有底の背極ホルダーの開放側端部に
保持され、
前記背極ホルダーの底板にプリント基板が対接
され、
このプリント基板の背面に対して前記カプセル
の端部が押えつけられて前記カプセル内部が機械
的に固定され、
前記背極ホルダー内にインピーダンス変換素子
が収容され、
このインピーダンス変換素子は前記背極 に接続
され、
前記プリント基板の外円周の一部に前記プリン
ト基板の両面に達する切欠が設けられ、
その切欠には前記プリント基板の背面に対し押
えつけられた前記カプセルの端部の内周面との間
に外部と通じる間隔が設けられ、
前記インピーダンス変換素子の端子が、前記背
極ホルダーの底板及び前記プリント基板に形成さ
れた開孔を通じて導出され、プリント基板とその
外面で接続され、
前記開孔と前記切欠との間において、前記背極
ホルダーの底板及び前記プリント基板の対向面の
少なくとも一方に空気を通す粗面が形成されてい
る小形マイクロホン。
図面の簡単な説明を次のように補正する。
明細書第１３頁１８行〜第１４頁３行「第７図
及び・・・構成を示す断面図である。」を「第７
図はこの考案の第２の実施例の構成を示す断面図
である。」と訂正する。[Scope of utility model registration request]
A diaphragm is housed inside the capsule,
A back electrode is arranged close to and opposite to the diaphragm,
This back electrodebottomedback electrode holderopen sideat the end
held,
of the back electrode holderBottom plateThe printed circuit board is in contact with
is,
Said capsule against the back side of this printed circuit board.
The end of the capsule is pressed down and the inside of the capsule is mechanically
fixed,
Impedance conversion element inside the back electrode holder
is accommodated,
This impedance conversion element is connected to the back electrode. connect to
is,
The printer is attached to a part of the outer circumference of the printed circuit board.
Notches that reach both sides of the boardbutprovisionis,
A space is provided between the notch and the inner peripheral surface of the end of the capsule pressed against the back surface of the printed circuit board, and the space communicates with the outside;
A terminal of the impedance conversion element is led out through an opening formed in the bottom plate of the back electrode holder and the printed circuit board, and connected to the printed circuit board on its outer surface,
A rough surface that allows air to pass is formed between the opening and the notch on at least one of the bottom plate of the back electrode holder and the opposing surface of the printed circuit board.Small microphone.
The brief description of the drawing has been amended as follows.
Specification page 13, line 18 to page 14, line 3 “Figure 7
and... is a sectional view showing the configuration. ” to “7th
The figure is a sectional view showing the configuration of the second embodiment of this invention.
It is. ” he corrected.
Claims (1)
近接対向して背極が配設され、この背極が背極ホ
ルダーの一端部に保持され、前記背極ホルダーの
他端面にプリント基板が対接され、このプリント
基板の背面に対して前記カプセルの端部が押えつ
けられて前記カプセル内部が機械的に固定され、
前記背極ホルダー内にインピーダンス変換素子が
収容され、このインピーダンス変換素子は前記背
極及び前記プリント基板に接続され、前記プリン
ト基板の外円周の一部に前記プリント基板の両面
に達する切欠を設けてなることを特徴とする小形
マイクロホン。 A diaphragm is housed in the capsule, a back electrode is disposed closely facing the diaphragm, the back electrode is held at one end of the back electrode holder, and a printed circuit board is mounted on the other end of the back electrode holder. and the end of the capsule is pressed against the back surface of the printed circuit board to mechanically fix the inside of the capsule,
An impedance conversion element is housed in the back electrode holder, and the impedance conversion element is connected to the back electrode and the printed circuit board, and a cutout that reaches both sides of the printed circuit board is provided in a part of the outer circumference of the printed circuit board. A small microphone that is characterized by the ability to
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18825086U JPS6324713Y2 (en) | 1986-12-05 | 1986-12-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18825086U JPS6324713Y2 (en) | 1986-12-05 | 1986-12-05 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62105689U true JPS62105689U (en) | 1987-07-06 |
| JPS6324713Y2 JPS6324713Y2 (en) | 1988-07-06 |
Family
ID=31139439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18825086U Expired JPS6324713Y2 (en) | 1986-12-05 | 1986-12-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6324713Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005130437A (en) * | 2003-10-24 | 2005-05-19 | Knowles Electronics Llc | High-performance capacitor microphone and its manufacturing method |
-
1986
- 1986-12-05 JP JP18825086U patent/JPS6324713Y2/ja not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005130437A (en) * | 2003-10-24 | 2005-05-19 | Knowles Electronics Llc | High-performance capacitor microphone and its manufacturing method |
| US8144898B2 (en) | 2003-10-24 | 2012-03-27 | Knowles Electronics, Llc | High performance microphone and manufacturing method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6324713Y2 (en) | 1988-07-06 |
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