JPS61156399U - - Google Patents
Info
- Publication number
- JPS61156399U JPS61156399U JP3867885U JP3867885U JPS61156399U JP S61156399 U JPS61156399 U JP S61156399U JP 3867885 U JP3867885 U JP 3867885U JP 3867885 U JP3867885 U JP 3867885U JP S61156399 U JPS61156399 U JP S61156399U
- Authority
- JP
- Japan
- Prior art keywords
- hole
- vent
- prevention member
- howling prevention
- 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.)
- Pending
Links
- 230000002265 prevention Effects 0.000 claims description 5
Description
第１図・第２図・第３図は従来のベスト付き挿
耳形補聴器の側断面図。第４図は本考案の一実施
例を示す要部側断面図、第５図は本考案に係るハ
ウリング防止部材の一実施例を示す拡大斜視図。
第６図は本考案の他の実施例を示す要部側断面図
。第７図は本考案に係るハウリング防止部材の一
実施例を示す拡大斜視図。第８図は本考案に係る
ハウリング防止部材の一実施例を示す拡大斜視図
。第９図は本考案の他の実施例を示す要部側断面
図。
１１：ケース、１２：蓋体、１４：ベント、１
４Ａ：ベント孔、１５：マイクロホン、１５Ａ：
マイクロホン音孔、１６：ハウリング防止部材。
Figures 1, 2, and 3 are side sectional views of a conventional in-the-ear hearing aid with a vest. FIG. 4 is a sectional side view of a main part showing an embodiment of the present invention, and FIG. 5 is an enlarged perspective view showing an embodiment of the howling prevention member according to the present invention.
FIG. 6 is a sectional side view of a main part showing another embodiment of the present invention. FIG. 7 is an enlarged perspective view showing one embodiment of the howling prevention member according to the present invention. FIG. 8 is an enlarged perspective view showing one embodiment of the howling prevention member according to the present invention. FIG. 9 is a side sectional view of a main part showing another embodiment of the present invention. 11: Case, 12: Lid, 14: Vent, 1
4A: Vent hole, 15: Microphone, 15A:
Microphone sound hole, 16: Howling prevention member.
Claims (1)
ずれか一方に或は一方近傍に、 前記ベント孔から出た音の前記マイクロホン音
孔への到達が困難となるハウリング防止部材を設
けてなるベント付き挿耳形補聴器。[Claims for Utility Model Registration] A howling prevention member that makes it difficult for sound emitted from the vent hole to reach the microphone sound hole is provided in or near at least one of the vent hole and the microphone sound hole. An in-ear hearing aid with a vent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3867885U JPS61156399U (en) | 1985-03-18 | 1985-03-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3867885U JPS61156399U (en) | 1985-03-18 | 1985-03-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61156399U true JPS61156399U (en) | 1986-09-27 |
Family
ID=30545910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3867885U Pending JPS61156399U (en) | 1985-03-18 | 1985-03-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61156399U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012042672A1 (en) * | 2010-10-01 | 2012-04-05 | フォスター電機株式会社 | Noise-cancelling headphones |
-
1985
- 1985-03-18 JP JP3867885U patent/JPS61156399U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012042672A1 (en) * | 2010-10-01 | 2012-04-05 | フォスター電機株式会社 | Noise-cancelling headphones |
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