JPS6438696U - - Google Patents
Info
- Publication number
- JPS6438696U JPS6438696U JP13473487U JP13473487U JPS6438696U JP S6438696 U JPS6438696 U JP S6438696U JP 13473487 U JP13473487 U JP 13473487U JP 13473487 U JP13473487 U JP 13473487U JP S6438696 U JPS6438696 U JP S6438696U
- Authority
- JP
- Japan
- Prior art keywords
- keys
- swing fulcrum
- fulcrum position
- keyboard device
- black
- 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
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987134734U JPH0548236Y2 (ar) | 1987-09-02 | 1987-09-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987134734U JPH0548236Y2 (ar) | 1987-09-02 | 1987-09-02 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6438696U true JPS6438696U (ar) | 1989-03-08 |
| JPH0548236Y2 JPH0548236Y2 (ar) | 1993-12-21 |
Family
ID=31393750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987134734U Expired - Lifetime JPH0548236Y2 (ar) | 1987-09-02 | 1987-09-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0548236Y2 (ar) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3915050A (en) * | 1974-03-21 | 1975-10-28 | Wajiha Abdel Hak | Keyboard instrument |
| JPS59133591A (ja) * | 1983-01-20 | 1984-07-31 | ヤマハ株式会社 | 電子楽器の鍵盤装置 |
| JPS61198996U (ar) * | 1985-05-30 | 1986-12-12 |
-
1987
- 1987-09-02 JP JP1987134734U patent/JPH0548236Y2/ja not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3915050A (en) * | 1974-03-21 | 1975-10-28 | Wajiha Abdel Hak | Keyboard instrument |
| JPS59133591A (ja) * | 1983-01-20 | 1984-07-31 | ヤマハ株式会社 | 電子楽器の鍵盤装置 |
| JPS61198996U (ar) * | 1985-05-30 | 1986-12-12 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0548236Y2 (ar) | 1993-12-21 |
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