JPH0336299U - - Google Patents
Info
- Publication number
- JPH0336299U JPH0336299U JP9821189U JP9821189U JPH0336299U JP H0336299 U JPH0336299 U JP H0336299U JP 9821189 U JP9821189 U JP 9821189U JP 9821189 U JP9821189 U JP 9821189U JP H0336299 U JPH0336299 U JP H0336299U
- Authority
- JP
- Japan
- Prior art keywords
- cover
- microphone
- hole
- microphone device
- hemisphere
- 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
- 238000004378 air conditioning Methods 0.000 claims description 2
- 239000002775 capsule Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Details Of Audible-Bandwidth Transducers (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Description
第１図は本考案の構成を示す断面図、第２図は
従来例の図である。
図中、１はセンサマイクロホン、４はマイクロ
ホンカプセル、６は空調ダクト、７はカバー、７
ａは音波導入孔、８は取り付け孔、９は音響フイ
ルター、Ｓは音源となる送風機である。
FIG. 1 is a sectional view showing the configuration of the present invention, and FIG. 2 is a diagram of a conventional example. In the figure, 1 is a sensor microphone, 4 is a microphone capsule, 6 is an air conditioning duct, 7 is a cover, 7
a is a sound wave introduction hole, 8 is a mounting hole, 9 is an acoustic filter, and S is a blower serving as a sound source.
Claims (1)
、球殻状のカバー７を管内に露出して装備したカ
プセル４内に収納されたセンサマイクロホン１の
出力を取り出すマイクロホン装置であつて、前記
カバー７の音源Ｓに近い側の半球は密閉し、他の
側の半球に音波導入用の孔７ａを穿設したマイク
ロホン装置。 前記請求項に記載のカバー７の音波導入孔
７ａを、音響フイルター材９で被つたマイクロホ
ン装置。[Claim for Utility Model Registration] The sensor microphone 1 is attached to a hole 8 made in the wall of an air conditioning duct 6, and the output of the sensor microphone 1 housed in a capsule 4 equipped with a spherical cover 7 exposed inside the pipe is taken out. The microphone device is a microphone device in which the hemisphere of the cover 7 close to the sound source S is sealed, and the other hemisphere is provided with a hole 7a for introducing sound waves. A microphone device in which the sound wave introduction hole 7a of the cover 7 according to the preceding claims is covered with an acoustic filter material 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9821189U JPH0734478Y2 (en) | 1989-08-22 | 1989-08-22 | Microphone device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9821189U JPH0734478Y2 (en) | 1989-08-22 | 1989-08-22 | Microphone device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0336299U true JPH0336299U (en) | 1991-04-09 |
| JPH0734478Y2 JPH0734478Y2 (en) | 1995-08-02 |
Family
ID=31647320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9821189U Expired - Fee Related JPH0734478Y2 (en) | 1989-08-22 | 1989-08-22 | Microphone device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0734478Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06308973A (en) * | 1993-04-19 | 1994-11-04 | Matsushita Seiko Co Ltd | Active muffler |
-
1989
- 1989-08-22 JP JP9821189U patent/JPH0734478Y2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06308973A (en) * | 1993-04-19 | 1994-11-04 | Matsushita Seiko Co Ltd | Active muffler |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0734478Y2 (en) | 1995-08-02 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |