DE2967500D1 - Apparatus and method for writing a signal information track on a disc - Google Patents
Apparatus and method for writing a signal information track on a discInfo
- Publication number
- DE2967500D1 DE2967500D1 DE8181201022T DE2967500T DE2967500D1 DE 2967500 D1 DE2967500 D1 DE 2967500D1 DE 8181201022 T DE8181201022 T DE 8181201022T DE 2967500 T DE2967500 T DE 2967500T DE 2967500 D1 DE2967500 D1 DE 2967500D1
- Authority
- DE
- Germany
- Prior art keywords
- writing
- disc
- signal information
- information track
- track
- 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 (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US89077178A | 1978-03-27 | 1978-03-27 | |
US05/890,407 US4225873A (en) | 1978-03-27 | 1978-03-27 | Recording and playback system |
EP79300490A EP0005316A1 (en) | 1978-03-27 | 1979-03-27 | Optical apparatus and process for recording information and record carrier formed by this apparatus; optical apparatus for retrieving the recorded information |
Publications (1)
Publication Number | Publication Date |
---|---|
DE2967500D1 true DE2967500D1 (en) | 1985-09-19 |
Family
ID=27224531
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8181201023T Expired DE2967484D1 (en) | 1978-03-27 | 1979-03-27 | Apparatus and method for writing a signal information track on a disc |
DE8181201022T Expired DE2967500D1 (en) | 1978-03-27 | 1979-03-27 | Apparatus and method for writing a signal information track on a disc |
DE8181201021T Expired DE2967478D1 (en) | 1978-03-27 | 1979-03-27 | Method of writing signal information on a disc |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8181201023T Expired DE2967484D1 (en) | 1978-03-27 | 1979-03-27 | Apparatus and method for writing a signal information track on a disc |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8181201021T Expired DE2967478D1 (en) | 1978-03-27 | 1979-03-27 | Method of writing signal information on a disc |
Country Status (1)
Country | Link |
---|---|
DE (3) | DE2967484D1 (en) |
-
1979
- 1979-03-27 DE DE8181201023T patent/DE2967484D1/en not_active Expired
- 1979-03-27 DE DE8181201022T patent/DE2967500D1/en not_active Expired
- 1979-03-27 DE DE8181201021T patent/DE2967478D1/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2967478D1 (en) | 1985-08-08 |
DE2967484D1 (en) | 1985-08-14 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
SG92685G (en) | Apparatus for recording and/or reproducing information on a flexible disc | |
GB2022875B (en) | Method and apparatus for recording and reproducing information | |
GB2080997B (en) | Method and apparatus for recording digitized information on a record medium | |
DE3277657D1 (en) | Method and apparatus for optically recording and reproducing information | |
DE3275037D1 (en) | Information recording/reproducing apparatus | |
JPS55129939A (en) | Method and device for recording information | |
ZA815293B (en) | Method and apparatus for recording digitized information on a record medium | |
EP0048441A3 (en) | Track locating system for optical recording and reproducing apparatus | |
GB2035620B (en) | Method of and apparatus for recording information and tracing signals | |
GB2121229B (en) | Methods and apparatus for recording and reproducing information signals | |
GB2035902B (en) | Information recording method and apparatus | |
HK51386A (en) | Apparatus and method for writing a signal information track on a disc | |
IL63926A (en) | Method for protection against the re-transfer of uniquely recorded information on a data carrier and apparatus for recording and/or reading re-transfer-protected information | |
GB2119998B (en) | Method for recording information on a recording disc | |
GB2013935B (en) | Method of and apparatus for addressing and/or locating information on a record carrier | |
GB2113891B (en) | Method for recording information on a recording disc | |
GB2087631B (en) | Methods and apparatus for recording and reproducing information signals | |
JPS56165935A (en) | Method and device for reading mark on information record | |
JPS5553980A (en) | Information recording and reproducing system | |
DE3379244D1 (en) | Methods and apparatus for recording an information signal on a magnetic medium | |
JPS5491351A (en) | Method and device for reproducing and recording data | |
DE3068532D1 (en) | Apparatus for recording and/or reproducing information on a magnetic tape | |
JPS54123009A (en) | Tape device for recording and reproducing information | |
GB2109128B (en) | Information signal track search system in a rotary recording medium reproducing apparatus | |
ZA815031B (en) | Method and apparatus for recording digitized information on a record medium |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8363 | Opposition against the patent | ||
8320 | Willingness to grant licences declared (paragraph 23) | ||
8328 | Change in the person/name/address of the agent |
Free format text: GRUENECKER, A., DIPL.-ING. KINKELDEY, H., DIPL.-ING. DR.-ING. STOCKMAIR, W., DIPL.-ING. DR.-ING. AE.E. CAL TECH SCHUMANN, K., DIPL.-PHYS. DR.RER.NAT. JAKOB, P., DIPL.-ING. BEZOLD, G., DIPL.-CHEM. DR.RER.NAT. MEISTER, W., DIPL.-ING. HILGERS, H., DIPL.-ING. MEYER-PLATH, H., DIPL.-ING. DR.-ING. EHNOLD, A., DIPL.-ING. SCHUSTER, T., DIPL.-PHYS. GOLDBACH, K., DIPL.-ING.DR.-ING. AUFENANGER, M., DIPL.-ING., PAT.-ANWAELTE, 8000 MUENCHEN |
|
8366 | Restricted maintained after opposition proceedings |