JPH03109163U - - Google Patents
Info
- Publication number
- JPH03109163U JPH03109163U JP1726790U JP1726790U JPH03109163U JP H03109163 U JPH03109163 U JP H03109163U JP 1726790 U JP1726790 U JP 1726790U JP 1726790 U JP1726790 U JP 1726790U JP H03109163 U JPH03109163 U JP H03109163U
- Authority
- JP
- Japan
- Prior art keywords
- constriction section
- sound
- microphone
- absence
- air
- 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
- 238000001514 detection method Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 1
Description
第１図は本考案の一実施例の構成図である。
４……エアー流通管路、１１……検出用管、１
２……オリフイス、１４……マイクロホン、１６
……検出器。
２……オリフイス、１４……マイクロホン、１６
……検出器。
Claims (1)
- エアーが流通する管路の途中に絞り部を設けて
、該絞り部の近傍に、エアーが前記絞り部を通る
際に発生する音を拾うマイクロホンを配設し、該
マイクロホンの出力信号から前記発生音の有無を
検出してそれに対応した信号を出す検出器を設け
たことを特徴とするエアー流通検出装置。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1726790U JPH03109163U (ja) | 1990-02-22 | 1990-02-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1726790U JPH03109163U (ja) | 1990-02-22 | 1990-02-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03109163U true JPH03109163U (ja) | 1991-11-08 |
Family
ID=31520494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1726790U Pending JPH03109163U (ja) | 1990-02-22 | 1990-02-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03109163U (ja) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007027060A (ja) * | 2005-07-21 | 2007-02-01 | Alps Electric Co Ltd | 入力装置 |
| JP2009503659A (ja) * | 2005-07-25 | 2009-01-29 | 惠州市正牌科▲電▼有限公司 | マウス用４軸中心ホイールモジュール |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63290968A (ja) * | 1987-05-22 | 1988-11-28 | Smc Corp | 流体センサ装置 |
-
1990
- 1990-02-22 JP JP1726790U patent/JPH03109163U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63290968A (ja) * | 1987-05-22 | 1988-11-28 | Smc Corp | 流体センサ装置 |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007027060A (ja) * | 2005-07-21 | 2007-02-01 | Alps Electric Co Ltd | 入力装置 |
| JP2009503659A (ja) * | 2005-07-25 | 2009-01-29 | 惠州市正牌科▲電▼有限公司 | マウス用４軸中心ホイールモジュール |
| JP4875079B2 (ja) * | 2005-07-25 | 2012-02-15 | 惠州市正牌科▲電▼有限公司 | マウス用４軸中心ホイールモジュール |