IT947823B - PROCEDURE AND EQUIPMENT FOR RECORDING INFORMATION ON PHONOGRAPH RECORDS - Google Patents
PROCEDURE AND EQUIPMENT FOR RECORDING INFORMATION ON PHONOGRAPH RECORDSInfo
- Publication number
- IT947823B IT947823B IT20923/72A IT2092372A IT947823B IT 947823 B IT947823 B IT 947823B IT 20923/72 A IT20923/72 A IT 20923/72A IT 2092372 A IT2092372 A IT 2092372A IT 947823 B IT947823 B IT 947823B
- Authority
- IT
- Italy
- Prior art keywords
- procedure
- equipment
- recording information
- phonograph records
- phonograph
- Prior art date
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
- G11B7/26—Apparatus or processes specially adapted for the manufacture of record carriers
-
- 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
- G11B11/06—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 with reproducing by mechanical sensing
-
- 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
- G11B23/0057—Intermediate mediums, i.e. mediums provided with an information structure not specific to the method of reproducing or duplication such as matrixes for mechanical pressing of an information structure ; record carriers having a relief information structure provided with or included in layers not specific for a single reproducing method; apparatus or processes specially adapted for their manufacture
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Record Carriers And Manufacture Thereof (AREA)
- Optical Recording Or Reproduction (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB529371A GB1389831A (en) | 1971-02-24 | 1971-02-24 | Production of records |
| GB3400071 | 1971-07-20 | ||
| GB3674671 | 1971-08-05 | ||
| GB5566271 | 1971-12-01 | ||
| GB5989671 | 1971-12-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT947823B true IT947823B (en) | 1973-05-30 |
Family
ID=27515772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT20923/72A IT947823B (en) | 1971-02-24 | 1972-02-23 | PROCEDURE AND EQUIPMENT FOR RECORDING INFORMATION ON PHONOGRAPH RECORDS |
Country Status (5)
| Country | Link |
|---|---|
| DE (1) | DE2209332A1 (en) |
| FR (1) | FR2126387A1 (en) |
| GB (1) | GB1389831A (en) |
| IT (1) | IT947823B (en) |
| NL (1) | NL7202468A (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6021403B2 (en) * | 1979-10-18 | 1985-05-27 | 日本ビクター株式会社 | Monitoring device for light focusing state in optical recording device |
| JPS5687239A (en) * | 1979-12-18 | 1981-07-15 | Matsushita Electric Ind Co Ltd | Optical recording and reproducing device |
| FR2474222A1 (en) | 1980-01-23 | 1981-07-24 | Thomson Csf | METHOD FOR THERMO-OPTICAL INFORMATION REGISTRATION AND INFORMATION CARRIER FOR IMPLEMENTING SAID METHOD |
| FR2474223A1 (en) * | 1980-01-23 | 1981-07-24 | Thomson Csf | METHOD FOR THERMO-OPTICAL INFORMATION REGISTRATION AND INFORMATION CARRIER FOR IMPLEMENTING SAID METHOD |
| JPS57105828A (en) * | 1980-12-19 | 1982-07-01 | Matsushita Electric Ind Co Ltd | Optical disk recording and reproducing system |
-
1971
- 1971-02-24 GB GB529371A patent/GB1389831A/en not_active Expired
-
1972
- 1972-02-23 IT IT20923/72A patent/IT947823B/en active
- 1972-02-23 DE DE19722209332 patent/DE2209332A1/en active Pending
- 1972-02-24 NL NL7202468A patent/NL7202468A/xx unknown
- 1972-02-24 FR FR7206264A patent/FR2126387A1/fr not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| DE2209332A1 (en) | 1972-09-07 |
| NL7202468A (en) | 1972-08-28 |
| FR2126387A1 (en) | 1972-10-06 |
| GB1389831A (en) | 1975-04-09 |
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