DE3176641D1 - Flexible optical disc - Google Patents
Flexible optical discInfo
- Publication number
- DE3176641D1 DE3176641D1 DE8484103897T DE3176641T DE3176641D1 DE 3176641 D1 DE3176641 D1 DE 3176641D1 DE 8484103897 T DE8484103897 T DE 8484103897T DE 3176641 T DE3176641 T DE 3176641T DE 3176641 D1 DE3176641 D1 DE 3176641D1
- Authority
- DE
- Germany
- Prior art keywords
- optical disc
- flexible optical
- flexible
- disc
- optical
- 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.)
- Expired
Links
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/160,769 US4447899A (en) | 1980-06-18 | 1980-06-18 | Optical disc method, media and apparatus for writing and/or reading information |
EP19810901478 EP0054039A4 (en) | 1980-06-18 | 1981-05-27 | Flexible optical disc and method and apparatus for stabilizing during writing and/or reading of information thereon. |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3176641D1 true DE3176641D1 (en) | 1988-03-10 |
Family
ID=26083604
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8484103897T Expired DE3176641D1 (en) | 1980-06-18 | 1981-05-27 | Flexible optical disc |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE3176641D1 (en) |
-
1981
- 1981-05-27 DE DE8484103897T patent/DE3176641D1/en not_active Expired
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |