JPH02111199U - - Google Patents
Info
- Publication number
- JPH02111199U JPH02111199U JP1944489U JP1944489U JPH02111199U JP H02111199 U JPH02111199 U JP H02111199U JP 1944489 U JP1944489 U JP 1944489U JP 1944489 U JP1944489 U JP 1944489U JP H02111199 U JPH02111199 U JP H02111199U
- Authority
- JP
- Japan
- Prior art keywords
- key
- magnet
- detection means
- pressure
- magnetic detection
- 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
- 238000001514 detection method Methods 0.000 claims description 4
- 230000004907 flux Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Description
第１図はこの考案の鍵盤楽器用感圧センサの一
実施例を示す分解斜視図、第２図は第１図に示し
た鍵盤楽器用感圧センサの要部断面及びその押鍵
操作を示す図である。
２……鍵、６……突部、８……磁石、１２……
磁気検出回路、１４……シールド枠（シールド部
材）、１６……弾性体（弾性部材）。
Fig. 1 is an exploded perspective view showing an embodiment of the pressure-sensitive sensor for keyboard instruments of this invention, and Fig. 2 shows a cross-section of the main part of the pressure-sensitive sensor for keyboard instruments shown in Fig. 1 and its key press operation. It is a diagram. 2...Key, 6...Protrusion, 8...Magnet, 12...
Magnetic detection circuit, 14... Shield frame (shield member), 16... Elastic body (elastic member).
Claims (1)
手段と、 この磁気検出手段と前記磁石との間に設置され
た弾性部材とを備えたことを特徴とする鍵盤楽器
用感圧センサ。 ２ 前記鍵の下面に形成された突部に前記磁石を
配設し、押鍵に応じて前記突部を各鍵ごとに案内
するとともに、各鍵ごとに設置された前記磁気検
出手段間を包囲するシールド部材を設置したこと
を特徴とする請求項１記載の鍵盤楽器用感圧セン
サ。[Claims for Utility Model Registration] 1. A magnet disposed on each key, a magnetic detection means for detecting the magnetic flux of the magnet as the key is pressed, and a magnet disposed between the magnetic detection means and the magnet. A pressure-sensitive sensor for a keyboard instrument, characterized by comprising an elastic member. 2. The magnet is disposed on a protrusion formed on the lower surface of the key, and the protrusion guides each key in response to a key press, and surrounds the magnetic detection means installed for each key. 2. The pressure-sensitive sensor for a keyboard instrument according to claim 1, further comprising a shield member that protects the pressure sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1944489U JPH0727513Y2 (en) | 1989-02-21 | 1989-02-21 | Pressure sensor for keyboard instruments |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1944489U JPH0727513Y2 (en) | 1989-02-21 | 1989-02-21 | Pressure sensor for keyboard instruments |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02111199U true JPH02111199U (en) | 1990-09-05 |
| JPH0727513Y2 JPH0727513Y2 (en) | 1995-06-21 |
Family
ID=31234961
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1944489U Expired - Fee Related JPH0727513Y2 (en) | 1989-02-21 | 1989-02-21 | Pressure sensor for keyboard instruments |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0727513Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021100475A1 (en) * | 2019-11-20 | 2021-05-27 | ヤマハ株式会社 | Performance operation device |
| JPWO2021100472A1 (en) * | 2019-11-20 | 2021-05-27 |
-
1989
- 1989-02-21 JP JP1944489U patent/JPH0727513Y2/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021100475A1 (en) * | 2019-11-20 | 2021-05-27 | ヤマハ株式会社 | Performance operation device |
| JPWO2021100475A1 (en) * | 2019-11-20 | 2021-05-27 | ||
| JPWO2021100472A1 (en) * | 2019-11-20 | 2021-05-27 | ||
| WO2021100472A1 (en) * | 2019-11-20 | 2021-05-27 | ヤマハ株式会社 | Music performing device and keyboard instrument |
| EP4064274A4 (en) * | 2019-11-20 | 2024-01-10 | Yamaha Corporation | Music performing device and keyboard instrument |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0727513Y2 (en) | 1995-06-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |