JPH0331799U - - Google Patents
Info
- Publication number
- JPH0331799U JPH0331799U JP9245289U JP9245289U JPH0331799U JP H0331799 U JPH0331799 U JP H0331799U JP 9245289 U JP9245289 U JP 9245289U JP 9245289 U JP9245289 U JP 9245289U JP H0331799 U JPH0331799 U JP H0331799U
- Authority
- JP
- Japan
- Prior art keywords
- flexible
- keys
- key
- keyboard device
- sensor
- 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 description 3
- 238000010586 diagram Methods 0.000 description 3
Description
第１図はこの考案の第１実施例の要部拡大斜視
図、第２図は同じくその白鍵ユニツトの全体斜視
図、第３図はこの考案の第２実施例の要部拡大斜
視図、第４図は動じくそのＩＣ基板内のタツチレ
スポンス検出回路を示す回路図、第５図はこの考
案の第３実施例の要部分解斜視図、第６図はその
センサの構造例を示す分解斜視図、第７図はその
センサに加わる圧力と検出回路の出力電圧との関
係を示す線図、第８図はこの考案の第４実施例を
示す斜視図、第９図はそのセンサの他の例を示す
斜視図、第１０図はこの考案の第５実施例の要部
を示す斜視図である。
１０，４０……鍵、１１，４１……第１の可撓
部、１２，４２……第２の可撓部、１３，２３，
３３，４３……第１のセンサ、１４，２４，３４
，５４……第２のセンサ、３５，３６，４５……
弾性体、３７……ＦＰＣ、３８……フイルム、３
９……導電パターン。
FIG. 1 is an enlarged perspective view of the main parts of the first embodiment of this invention, FIG. 2 is an overall perspective view of the white key unit, and FIG. 3 is an enlarged perspective view of the main parts of the second embodiment of this invention. Fig. 4 is a circuit diagram showing the touch response detection circuit in the IC board, Fig. 5 is an exploded perspective view of the main part of the third embodiment of this invention, and Fig. 6 is an exploded view showing an example of the structure of the sensor. FIG. 7 is a diagram showing the relationship between the pressure applied to the sensor and the output voltage of the detection circuit, FIG. 8 is a perspective view showing the fourth embodiment of this invention, and FIG. 9 is a diagram showing the relationship between the pressure applied to the sensor and the output voltage of the detection circuit. FIG. 10 is a perspective view showing a main part of a fifth embodiment of this invention. 10, 40... Key, 11, 41... First flexible part, 12, 42... Second flexible part, 13, 23,
33, 43...first sensor, 14, 24, 34
, 54... second sensor, 35, 36, 45...
Elastic body, 37... FPC, 38... Film, 3
9... Conductive pattern.
Claims (1)
材に弾性的に支持させ、 前記各可撓部に鍵の動きによる該可撓部の歪あ
るいは圧力を検出して電気的出力を発生するセン
サを配設したことを特徴とする鍵盤装置。 ２ 各鍵を支持する可撓部が、鍵の押下方向に可
撓性を有する第１の可撓部と鍵の並び方向に可撓
性を有する第２の可撓部とからなり、その第１、
第２の可撓部にそれぞれセンサを配設したことを
特徴とする請求項１記載の鍵盤装置。 ３ 各鍵を支持する可撓部が、鍵の上下又は左右
方向と前後方向とに可撓性を有するＵ字状に形成
された部分を備え、その部分の内側に弾性体を介
してセンサを挾持させたことを特徴とする請求項
１記載の鍵盤装置。[Claims for Utility Model Registration] 1. A plurality of keys are elastically supported by a key support member via respective flexible parts, and each of the flexible parts detects strain or pressure on the flexible parts due to movement of the keys. What is claimed is: 1. A keyboard device comprising a sensor that generates an electrical output. 2. The flexible part supporting each key consists of a first flexible part that is flexible in the direction in which the keys are pressed and a second flexible part that is flexible in the direction in which the keys are arranged. 1,
2. The keyboard device according to claim 1, wherein a sensor is disposed on each of the second flexible parts. 3. The flexible part supporting each key has a U-shaped part that is flexible in the vertical or horizontal direction and the front-back direction of the key, and a sensor is installed inside the part through an elastic body. 2. The keyboard device according to claim 1, wherein the keyboard device is sandwiched.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9245289U JPH0331799U (en) | 1989-08-05 | 1989-08-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9245289U JPH0331799U (en) | 1989-08-05 | 1989-08-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0331799U true JPH0331799U (en) | 1991-03-27 |
Family
ID=31641880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9245289U Pending JPH0331799U (en) | 1989-08-05 | 1989-08-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0331799U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017173691A (en) * | 2016-03-25 | 2017-09-28 | ヤマハ株式会社 | Keyboard device and electronic keyboard musical instrument |
-
1989
- 1989-08-05 JP JP9245289U patent/JPH0331799U/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017173691A (en) * | 2016-03-25 | 2017-09-28 | ヤマハ株式会社 | Keyboard device and electronic keyboard musical instrument |
| WO2017163872A1 (en) * | 2016-03-25 | 2017-09-28 | ヤマハ株式会社 | Keyboard device and electronic keyboard instrument |
| US10657939B2 (en) | 2016-03-25 | 2020-05-19 | Yamaha Corporation | Keyboard apparatus and electronic keyboard instrument |
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