FR2126451A1 - - Google Patents
Info
- Publication number
- FR2126451A1 FR2126451A1 FR7206606A FR7206606A FR2126451A1 FR 2126451 A1 FR2126451 A1 FR 2126451A1 FR 7206606 A FR7206606 A FR 7206606A FR 7206606 A FR7206606 A FR 7206606A FR 2126451 A1 FR2126451 A1 FR 2126451A1
- Authority
- FR
- France
- 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
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/62—Record carriers characterised by the selection of the material
- G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
- G11B5/70—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
- G11B5/716—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by two or more magnetic layers
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11919071A | 1971-02-26 | 1971-02-26 | |
| US17411371A | 1971-08-23 | 1971-08-23 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2126451A1 true FR2126451A1 (en) | 1972-10-06 |
| FR2126451B1 FR2126451B1 (en) | 1975-10-24 |
Family
ID=26817106
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7206606A Expired FR2126451B1 (en) | 1971-02-26 | 1972-02-25 |
Country Status (11)
| Country | Link |
|---|---|
| JP (1) | JPS5228364B1 (en) |
| AR (1) | AR192622A1 (en) |
| BE (1) | BE779893A (en) |
| CA (1) | CA963321A (en) |
| DE (1) | DE2208792B2 (en) |
| ES (1) | ES399853A1 (en) |
| FR (1) | FR2126451B1 (en) |
| GB (1) | GB1366192A (en) |
| IT (1) | IT948737B (en) |
| NL (1) | NL7202051A (en) |
| SE (1) | SE382274B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5843815B2 (en) * | 1975-10-23 | 1983-09-29 | 富士写真フイルム株式会社 | Jikiki Loc Tape |
| JPS5817539A (en) * | 1981-07-21 | 1983-02-01 | Sony Corp | Magnetic recording medium |
| EP0090053B1 (en) * | 1981-09-28 | 1987-06-24 | Sony Corporation | Magnetic recording medium |
| DE3420466A1 (en) * | 1984-06-01 | 1985-12-05 | Basf Ag, 6700 Ludwigshafen | METHOD FOR PRODUCING MAGNETOGRAM CARRIERS |
| JPH0727631B2 (en) * | 1987-09-21 | 1995-03-29 | 富士写真フイルム株式会社 | Magnetic recording medium |
| JP2581570B2 (en) * | 1987-10-19 | 1997-02-12 | 富士写真フイルム株式会社 | Video magnetic recording media |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB671269A (en) * | 1949-11-02 | 1952-04-30 | Brush Dev Co | Improvements in or relating to multi-layer magnetic record members |
-
1972
- 1972-02-16 SE SE182172A patent/SE382274B/en unknown
- 1972-02-16 NL NL7202051A patent/NL7202051A/xx unknown
- 1972-02-16 ES ES399853A patent/ES399853A1/en not_active Expired
- 1972-02-24 DE DE19722208792 patent/DE2208792B2/en not_active Ceased
- 1972-02-25 AR AR24071072A patent/AR192622A1/en active
- 1972-02-25 BE BE779893A patent/BE779893A/en not_active IP Right Cessation
- 1972-02-25 CA CA135,600A patent/CA963321A/en not_active Expired
- 1972-02-25 GB GB888772A patent/GB1366192A/en not_active Expired
- 1972-02-25 IT IT4857672A patent/IT948737B/en active
- 1972-02-25 FR FR7206606A patent/FR2126451B1/fr not_active Expired
- 1972-02-25 JP JP1957772A patent/JPS5228364B1/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB671269A (en) * | 1949-11-02 | 1952-04-30 | Brush Dev Co | Improvements in or relating to multi-layer magnetic record members |
Also Published As
| Publication number | Publication date |
|---|---|
| NL7202051A (en) | 1972-08-29 |
| FR2126451B1 (en) | 1975-10-24 |
| JPS5228364B1 (en) | 1977-07-26 |
| SE382274B (en) | 1976-01-19 |
| BE779893A (en) | 1972-08-25 |
| DE2208792B2 (en) | 1976-08-19 |
| AR192622A1 (en) | 1973-02-28 |
| CA963321A (en) | 1975-02-25 |
| IT948737B (en) | 1973-06-11 |
| ES399853A1 (en) | 1975-09-16 |
| GB1366192A (en) | 1974-09-11 |
| DE2208792A1 (en) | 1973-03-08 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |