JPS498091B1 - - Google Patents
Info
- Publication number
- JPS498091B1 JPS498091B1 JP44066983A JP6698369A JPS498091B1 JP S498091 B1 JPS498091 B1 JP S498091B1 JP 44066983 A JP44066983 A JP 44066983A JP 6698369 A JP6698369 A JP 6698369A JP S498091 B1 JPS498091 B1 JP S498091B1
- 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.)
- Pending
Links
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP44066983A JPS498091B1 (en) | 1969-08-21 | 1969-08-21 | |
| US00063485A US3718774A (en) | 1969-08-21 | 1970-08-13 | Instructional tape recorder for preventing erroneous erasure on a double track magnetic tape using two sensing means |
| DE19702042125 DE2042125C3 (en) | 1969-08-21 | 1970-08-20 | Teaching tape recorder |
| NL707012354A NL153000B (en) | 1969-08-21 | 1970-08-20 | MAGNETIC RECORDING AND DISPLAYING DEVICE OF THE CASSETTE TYPE, ESPECIALLY FOR INSTRUCTION PURPOSES. |
| GB4042770A GB1323145A (en) | 1969-08-21 | 1970-08-21 | Instructional tape recorder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP44066983A JPS498091B1 (en) | 1969-08-21 | 1969-08-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS498091B1 true JPS498091B1 (en) | 1974-02-23 |
Family
ID=13331748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP44066983A Pending JPS498091B1 (en) | 1969-08-21 | 1969-08-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS498091B1 (en) |
-
1969
- 1969-08-21 JP JP44066983A patent/JPS498091B1/ja active Pending