JPH0734478Y2 - マイクロホン装置 - Google Patents
マイクロホン装置Info
- Publication number
- JPH0734478Y2 JPH0734478Y2 JP9821189U JP9821189U JPH0734478Y2 JP H0734478 Y2 JPH0734478 Y2 JP H0734478Y2 JP 9821189 U JP9821189 U JP 9821189U JP 9821189 U JP9821189 U JP 9821189U JP H0734478 Y2 JPH0734478 Y2 JP H0734478Y2
- Authority
- JP
- Japan
- Prior art keywords
- microphone
- duct
- microphone device
- present
- hole
- 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.)
- Expired - Fee Related
Links
Landscapes
- Details Of Audible-Bandwidth Transducers (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9821189U JPH0734478Y2 (ja) | 1989-08-22 | 1989-08-22 | マイクロホン装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9821189U JPH0734478Y2 (ja) | 1989-08-22 | 1989-08-22 | マイクロホン装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0336299U JPH0336299U (en, 2012) | 1991-04-09 |
JPH0734478Y2 true JPH0734478Y2 (ja) | 1995-08-02 |
Family
ID=31647320
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9821189U Expired - Fee Related JPH0734478Y2 (ja) | 1989-08-22 | 1989-08-22 | マイクロホン装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0734478Y2 (en, 2012) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3507522B2 (ja) * | 1993-04-19 | 2004-03-15 | 松下エコシステムズ株式会社 | 能動消音装置 |
-
1989
- 1989-08-22 JP JP9821189U patent/JPH0734478Y2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPH0336299U (en, 2012) | 1991-04-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
LAPS | Cancellation because of no payment of annual fees |