FR1450132A - Method for recording, reproducing and erasing information on recording media - Google Patents
Method for recording, reproducing and erasing information on recording mediaInfo
- Publication number
- FR1450132A FR1450132A FR34925A FR34925A FR1450132A FR 1450132 A FR1450132 A FR 1450132A FR 34925 A FR34925 A FR 34925A FR 34925 A FR34925 A FR 34925A FR 1450132 A FR1450132 A FR 1450132A
- Authority
- FR
- France
- Prior art keywords
- recording
- reproducing
- erasing information
- recording media
- media
- 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
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C13/00—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00
- G11C13/04—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using optical elements ; using other beam accessed elements, e.g. electron or ion beam
- G11C13/048—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using optical elements ; using other beam accessed elements, e.g. electron or ion beam using other optical storage elements
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
- G11B11/03—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by deforming with non-mechanical means, e.g. laser, beam of particles
-
- 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
- G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
- G11B7/0055—Erasing
-
- 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
- G11B9/00—Recording or reproducing using a method not covered by one of the main groups G11B3/00 - G11B7/00; Record carriers therefor
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Record Carriers And Manufacture Thereof (AREA)
- Thermal Transfer Or Thermal Recording In General (AREA)
- Optical Recording Or Reproduction (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DER0039014 | 1964-10-15 | ||
| DER0039013 | 1964-10-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR1450132A true FR1450132A (en) | 1966-05-06 |
Family
ID=25991829
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR34925A Expired FR1450132A (en) | 1964-10-15 | 1965-10-14 | Method for recording, reproducing and erasing information on recording media |
| FR34924A Expired FR1450131A (en) | 1964-10-15 | 1965-10-14 | Method for recording and reproducing information on a recording medium |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR34924A Expired FR1450131A (en) | 1964-10-15 | 1965-10-14 | Method for recording and reproducing information on a recording medium |
Country Status (3)
| Country | Link |
|---|---|
| DE (2) | DE1449851A1 (en) |
| FR (2) | FR1450132A (en) |
| GB (2) | GB1093437A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1628080A1 (en) * | 1986-02-07 | 1991-02-15 | Институт Проблем Моделирования В Энергетике Ан Усср | Method for restoring the working layer in optical recording media |
| BE1000802A4 (en) * | 1987-08-06 | 1989-04-11 | Akad Nauk Sssr | Optical disc data recording technique - by use of laser to induce formation of deposit on photosensitive recording medium |
-
1964
- 1964-10-15 DE DE19641449851 patent/DE1449851A1/en active Pending
- 1964-10-15 DE DE19641449852 patent/DE1449852A1/en active Pending
-
1965
- 1965-10-14 FR FR34925A patent/FR1450132A/en not_active Expired
- 1965-10-14 FR FR34924A patent/FR1450131A/en not_active Expired
- 1965-10-14 GB GB43548/65A patent/GB1093437A/en not_active Expired
- 1965-10-14 GB GB43547/65A patent/GB1093436A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE1449852A1 (en) | 1970-08-06 |
| GB1093437A (en) | 1967-12-06 |
| FR1450131A (en) | 1966-05-06 |
| DE1449851A1 (en) | 1970-07-23 |
| GB1093436A (en) | 1967-12-06 |
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