JPS4926028A - - Google Patents
Info
- Publication number
- JPS4926028A JPS4926028A JP6607172A JP6607172A JPS4926028A JP S4926028 A JPS4926028 A JP S4926028A JP 6607172 A JP6607172 A JP 6607172A JP 6607172 A JP6607172 A JP 6607172A JP S4926028 A JPS4926028 A JP S4926028A
- 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 (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6607172A JPS552630B2 (en:Method) | 1972-06-30 | 1972-06-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6607172A JPS552630B2 (en:Method) | 1972-06-30 | 1972-06-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4926028A true JPS4926028A (en:Method) | 1974-03-08 |
| JPS552630B2 JPS552630B2 (en:Method) | 1980-01-21 |
Family
ID=13305229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6607172A Expired JPS552630B2 (en:Method) | 1972-06-30 | 1972-06-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS552630B2 (en:Method) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5337366A (en) * | 1976-09-20 | 1978-04-06 | Nippon Telegr & Teleph Corp <Ntt> | Driving system for semiconductor switch |
| JPS5381555U (en:Method) * | 1976-12-08 | 1978-07-06 | ||
| JPS5660962U (en:Method) * | 1979-10-12 | 1981-05-23 | ||
| JPS597989A (ja) * | 1982-07-07 | 1984-01-17 | キヤノン株式会社 | 電子式学習機 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB985924A (en) * | 1960-12-12 | 1965-03-10 | Ibm | Teaching device |
-
1972
- 1972-06-30 JP JP6607172A patent/JPS552630B2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB985924A (en) * | 1960-12-12 | 1965-03-10 | Ibm | Teaching device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5337366A (en) * | 1976-09-20 | 1978-04-06 | Nippon Telegr & Teleph Corp <Ntt> | Driving system for semiconductor switch |
| JPS5381555U (en:Method) * | 1976-12-08 | 1978-07-06 | ||
| JPS5660962U (en:Method) * | 1979-10-12 | 1981-05-23 | ||
| JPS597989A (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 |
|---|---|
| JPS552630B2 (en:Method) | 1980-01-21 |