AU4154578A - Information storage member - Google Patents
Information storage memberInfo
- Publication number
- AU4154578A AU4154578A AU41545/78A AU4154578A AU4154578A AU 4154578 A AU4154578 A AU 4154578A AU 41545/78 A AU41545/78 A AU 41545/78A AU 4154578 A AU4154578 A AU 4154578A AU 4154578 A AU4154578 A AU 4154578A
- Authority
- AU
- Australia
- Prior art keywords
- information storage
- storage member
- information
- storage
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/007—Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH684581A CH636467A5 (en) | 1978-10-17 | 1978-10-17 | Method and device for recording a modulated electrical signal |
CH1072578A CH636212A5 (en) | 1978-10-17 | 1978-10-17 | Medium carrying recorded information |
CH684181A CH636466A5 (en) | 1978-10-17 | 1978-10-17 | Method and device for recording information in the form of a frequency-modulated signal |
AU41545/78A AU512359B2 (en) | 1978-10-17 | 1978-11-13 | Information storage member |
FR7917918A FR2464608A1 (en) | 1978-10-17 | 1979-07-10 | INFORMATION RECORDING MEDIUM |
CH684481A CH636215A5 (en) | 1978-10-17 | 1981-10-27 | Method and device for recording and monitoring video information |
CH684281A CH636213A5 (en) | 1978-10-17 | 1981-10-27 | Method and device for reading an information signal |
CH684381A CH636214A5 (en) | 1978-10-17 | 1981-10-27 | Method and device for recording and reproducing information |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH1072578A CH636212A5 (en) | 1978-10-17 | 1978-10-17 | Medium carrying recorded information |
AU41545/78A AU512359B2 (en) | 1978-10-17 | 1978-11-13 | Information storage member |
FR7917918A FR2464608A1 (en) | 1978-10-17 | 1979-07-10 | INFORMATION RECORDING MEDIUM |
Publications (2)
Publication Number | Publication Date |
---|---|
AU4154578A true AU4154578A (en) | 1980-05-22 |
AU512359B2 AU512359B2 (en) | 1980-10-09 |
Family
ID=27154079
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU41545/78A Expired AU512359B2 (en) | 1978-10-17 | 1978-11-13 | Information storage member |
Country Status (3)
Country | Link |
---|---|
AU (1) | AU512359B2 (en) |
CH (6) | CH636467A5 (en) |
FR (1) | FR2464608A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL8601006A (en) * | 1986-04-21 | 1987-11-16 | Philips Nv | METHOD FOR SCANNING A RADIATION-SENSITIVE REGISTRATION SURFACE OF A ROTATING DISK CARRIER USING A MODULATED RADIATION BEAM, AND OPTICAL WRITING DEVICE FOR CARRYING OUT THE METHOD |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1013854A (en) * | 1973-02-20 | 1977-07-12 | John S. Winslow | Videodisc mastering system |
NL172111C (en) * | 1973-07-02 | 1983-07-01 | Philips Nv | REGISTRATION CARRIER ON WHICH INFORMATION IS STORED IN AN OPTICAL STRUCTURE AND DEVICE FOR REGISTERING SUCH REGISTRATION CARRIER. |
FR2355337A1 (en) * | 1976-06-18 | 1978-01-13 | Thomson Brandt | Optical read-write system for disc memories - has disc sandwiched between covers to prevent errors due to dust particles or surface scratches (NL 20.12.77) |
EP0044603B1 (en) * | 1978-03-27 | 1985-07-10 | Discovision Associates | Apparatus and method for writing a signal information track on a disc |
-
1978
- 1978-10-17 CH CH684581A patent/CH636467A5/en not_active IP Right Cessation
- 1978-10-17 CH CH684181A patent/CH636466A5/en not_active IP Right Cessation
- 1978-10-17 CH CH1072578A patent/CH636212A5/en not_active IP Right Cessation
- 1978-11-13 AU AU41545/78A patent/AU512359B2/en not_active Expired
-
1979
- 1979-07-10 FR FR7917918A patent/FR2464608A1/en active Pending
-
1981
- 1981-10-27 CH CH684481A patent/CH636215A5/en not_active IP Right Cessation
- 1981-10-27 CH CH684381A patent/CH636214A5/en not_active IP Right Cessation
- 1981-10-27 CH CH684281A patent/CH636213A5/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
CH636215A5 (en) | 1983-05-13 |
CH636213A5 (en) | 1983-05-13 |
AU512359B2 (en) | 1980-10-09 |
CH636467A5 (en) | 1983-05-31 |
CH636466A5 (en) | 1983-05-31 |
FR2464608A1 (en) | 1981-03-06 |
CH636214A5 (en) | 1983-05-13 |
CH636212A5 (en) | 1983-05-13 |
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