JPH0448590U - - Google Patents
Info
- Publication number
- JPH0448590U JPH0448590U JP8997590U JP8997590U JPH0448590U JP H0448590 U JPH0448590 U JP H0448590U JP 8997590 U JP8997590 U JP 8997590U JP 8997590 U JP8997590 U JP 8997590U JP H0448590 U JPH0448590 U JP H0448590U
- Authority
- JP
- Japan
- Prior art keywords
- reflective surface
- photocoupler
- key
- musical tone
- keyboard instrument
- 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
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8997590U JPH0448590U (ko) | 1990-08-28 | 1990-08-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8997590U JPH0448590U (ko) | 1990-08-28 | 1990-08-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0448590U true JPH0448590U (ko) | 1992-04-24 |
Family
ID=31824345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8997590U Pending JPH0448590U (ko) | 1990-08-28 | 1990-08-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0448590U (ko) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008233643A (ja) * | 2007-03-22 | 2008-10-02 | Korg Inc | 鍵変位量検出装置 |
-
1990
- 1990-08-28 JP JP8997590U patent/JPH0448590U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008233643A (ja) * | 2007-03-22 | 2008-10-02 | Korg Inc | 鍵変位量検出装置 |