JPS545681B2 - - Google Patents
Info
- Publication number
- JPS545681B2 JPS545681B2 JP4025872A JP4025872A JPS545681B2 JP S545681 B2 JPS545681 B2 JP S545681B2 JP 4025872 A JP4025872 A JP 4025872A JP 4025872 A JP4025872 A JP 4025872A JP S545681 B2 JPS545681 B2 JP S545681B2
- 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.)
- Expired
Links
Landscapes
- Optical Record Carriers And Manufacture Thereof (AREA)
- Optical Recording Or Reproduction (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4025872A JPS545681B2 (https=) | 1972-04-21 | 1972-04-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4025872A JPS545681B2 (https=) | 1972-04-21 | 1972-04-21 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP53009541A Division JPS6020811B2 (ja) | 1978-01-30 | 1978-01-30 | 記録装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS493604A JPS493604A (https=) | 1974-01-12 |
| JPS545681B2 true JPS545681B2 (https=) | 1979-03-20 |
Family
ID=12575638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4025872A Expired JPS545681B2 (https=) | 1972-04-21 | 1972-04-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS545681B2 (https=) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4027330A (en) * | 1973-03-27 | 1977-05-31 | Ted-Bildplatten Aktiengesellschaft, Aeg-Telefunken, Teldec | Disc recording |
| JPS553499U (https=) * | 1979-07-05 | 1980-01-10 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2086934A (en) * | 1932-03-31 | 1937-07-13 | Rech Ind Francaise Sa | Art of electromechanical recording of sound and in the photoelectric reproduction ofthe latter from the inscriptions obtained |
-
1972
- 1972-04-21 JP JP4025872A patent/JPS545681B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS493604A (https=) | 1974-01-12 |