JPS5592164U - - Google Patents
Info
- Publication number
- JPS5592164U JPS5592164U JP1978183138U JP18313878U JPS5592164U JP S5592164 U JPS5592164 U JP S5592164U JP 1978183138 U JP1978183138 U JP 1978183138U JP 18313878 U JP18313878 U JP 18313878U JP S5592164 U JPS5592164 U JP S5592164U
- Authority
- JP
- Japan
- 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
Landscapes
- Electrically Operated Instructional Devices (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1978183138U JPS6022367Y2 (ja) | 1978-12-21 | 1978-12-21 | 電子式計算練習機 |
| US06/098,026 US4337047A (en) | 1978-11-29 | 1979-11-28 | Time counter controlled electronic learning aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1978183138U JPS6022367Y2 (ja) | 1978-12-21 | 1978-12-21 | 電子式計算練習機 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5592164U true JPS5592164U (ja) | 1980-06-25 |
| JPS6022367Y2 JPS6022367Y2 (ja) | 1985-07-03 |
Family
ID=29194798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1978183138U Expired JPS6022367Y2 (ja) | 1978-11-29 | 1978-12-21 | 電子式計算練習機 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6022367Y2 (ja) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS597989A (ja) * | 1982-07-07 | 1984-01-17 | キヤノン株式会社 | 電子式学習機 |
| JPS597990A (ja) * | 1982-07-07 | 1984-01-17 | キヤノン株式会社 | 電子式学習機 |
-
1978
- 1978-12-21 JP JP1978183138U patent/JPS6022367Y2/ja not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS597989A (ja) * | 1982-07-07 | 1984-01-17 | キヤノン株式会社 | 電子式学習機 |
| JPS597990A (ja) * | 1982-07-07 | 1984-01-17 | キヤノン株式会社 | 電子式学習機 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6022367Y2 (ja) | 1985-07-03 |