FR2267605A1 - - Google Patents
Info
- Publication number
- FR2267605A1 FR2267605A1 FR7511229A FR7511229A FR2267605A1 FR 2267605 A1 FR2267605 A1 FR 2267605A1 FR 7511229 A FR7511229 A FR 7511229A FR 7511229 A FR7511229 A FR 7511229A FR 2267605 A1 FR2267605 A1 FR 2267605A1
- 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
- G11B5/706—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 the composition of the magnetic material
- G11B5/70626—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 the composition of the magnetic material containing non-metallic substances
- G11B5/70642—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 the composition of the magnetic material containing non-metallic substances iron oxides
- G11B5/70678—Ferrites
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP49041303A JPS50134608A (fr) | 1974-04-10 | 1974-04-10 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2267605A1 true FR2267605A1 (fr) | 1975-11-07 |
FR2267605B1 FR2267605B1 (fr) | 1981-01-16 |
Family
ID=12604700
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7511229A Expired FR2267605B1 (fr) | 1974-04-10 | 1975-04-10 |
Country Status (4)
Country | Link |
---|---|
US (1) | US4034410A (fr) |
JP (1) | JPS50134608A (fr) |
DE (1) | DE2515328A1 (fr) |
FR (1) | FR2267605B1 (fr) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4277809A (en) * | 1979-09-26 | 1981-07-07 | Memorex Corporation | Apparatus for recording magnetic impulses perpendicular to the surface of a recording medium |
JPS5660002A (en) * | 1979-10-19 | 1981-05-23 | Toshiba Corp | Manufacture of high density recording magnetic powder |
JPS5661101A (en) * | 1979-10-24 | 1981-05-26 | Toshiba Corp | Magnetic recording medium |
JPS60127527A (ja) * | 1983-12-15 | 1985-07-08 | Saiteku Kk | 膜状積重磁気記録媒体およびその製造方法 |
JP4461931B2 (ja) * | 2003-08-08 | 2010-05-12 | 国産電機株式会社 | インバータユニット |
CN106291408B (zh) * | 2016-10-11 | 2023-06-09 | 中国计量大学 | 基于磁致伸缩体和驻极体的磁电转换器 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3023166A (en) * | 1956-08-18 | 1962-02-27 | Philips Corp | Magnetic record carrier |
US3185775A (en) * | 1958-03-10 | 1965-05-25 | Iit Res Inst | Oriented tape |
US3016310A (en) * | 1959-01-05 | 1962-01-09 | Bell Telephone Labor Inc | Magnetic record device and method of preparing it |
US3047429A (en) * | 1959-03-27 | 1962-07-31 | Rca Corp | Magnetic recording medium comprising coatings of ferrite particles of the molar composite amno.bzno.cfe2o3 |
US3723668A (en) * | 1970-03-27 | 1973-03-27 | Ampex | Method of erasing signals from magnetic discs using dc pulses which persist for one disc revolution |
JPS549044B1 (fr) * | 1970-05-21 | 1979-04-20 | ||
JPS4838705A (fr) * | 1971-09-17 | 1973-06-07 |
-
1974
- 1974-04-10 JP JP49041303A patent/JPS50134608A/ja active Pending
-
1975
- 1975-04-08 DE DE19752515328 patent/DE2515328A1/de active Pending
- 1975-04-10 FR FR7511229A patent/FR2267605B1/fr not_active Expired
- 1975-04-10 US US05/566,720 patent/US4034410A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US4034410A (en) | 1977-07-05 |
FR2267605B1 (fr) | 1981-01-16 |
DE2515328A1 (de) | 1975-10-16 |
JPS50134608A (fr) | 1975-10-24 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |