SE8001170L - Sett och anordning for alstring av magnetiskt felt - Google Patents
Sett och anordning for alstring av magnetiskt feltInfo
- Publication number
- SE8001170L SE8001170L SE8001170A SE8001170A SE8001170L SE 8001170 L SE8001170 L SE 8001170L SE 8001170 A SE8001170 A SE 8001170A SE 8001170 A SE8001170 A SE 8001170A SE 8001170 L SE8001170 L SE 8001170L
- Authority
- SE
- Sweden
- Prior art keywords
- magnetic
- generating
- medium
- field
- magnetic field
- Prior art date
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
- G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
- G11B5/49—Fixed mounting or arrangements, e.g. one head per track
- G11B5/4907—Details for scanning
-
- 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
- G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
Landscapes
- Recording Or Reproducing By Magnetic Means (AREA)
- Manufacturing Of Magnetic Record Carriers (AREA)
- Digital Magnetic Recording (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7905067A FR2450494A1 (fr) | 1979-02-27 | 1979-02-27 | Procede de generation d'un champ d'induction magnetique dans un milieu magnetique |
Publications (2)
Publication Number | Publication Date |
---|---|
SE8001170L true SE8001170L (sv) | 1980-08-28 |
SE444741B SE444741B (sv) | 1986-04-28 |
Family
ID=9222516
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE8001170A SE444741B (sv) | 1979-02-27 | 1980-02-14 | Anordning for alstring av magnetiskt flode i ett magnetiskt medium |
Country Status (8)
Country | Link |
---|---|
US (1) | US4323940A (sv) |
JP (1) | JPS55117711A (sv) |
DE (1) | DE3007373A1 (sv) |
FR (1) | FR2450494A1 (sv) |
GB (1) | GB2048546B (sv) |
IT (1) | IT1141393B (sv) |
NL (1) | NL7908861A (sv) |
SE (1) | SE444741B (sv) |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2890275A (en) * | 1954-10-25 | 1959-06-09 | Acf Ind Inc | Magnetic recording using acoustic delay line |
NL113483C (sv) * | 1958-05-05 | |||
US3016429A (en) * | 1959-04-24 | 1962-01-09 | Minnesota Mining & Mfg | Magnetostructure recording device |
US3526899A (en) * | 1967-01-09 | 1970-09-01 | Ibm | Magneto-acoustic transducer for high track density recording |
BE758053A (fr) * | 1969-10-28 | 1971-04-01 | Commissariat Energie Atomique | Tete magnetique integree et procede de fabrication de ladite tete |
US3671681A (en) * | 1970-09-11 | 1972-06-20 | Honeywell Inc | Magnetostrictive recording assembly |
FR2191186B1 (sv) * | 1972-07-03 | 1976-01-16 | Inf Ci Interna Fr | |
US4138702A (en) * | 1975-01-23 | 1979-02-06 | Compagnie Honeywell Bull | Head arrangement for perpendicular recording information on a magnetic record carrier |
JPS5817994B2 (ja) * | 1978-03-03 | 1983-04-11 | 東光株式会社 | 磁性体記憶装置 |
-
1979
- 1979-02-27 FR FR7905067A patent/FR2450494A1/fr active Granted
- 1979-12-10 NL NL7908861A patent/NL7908861A/nl not_active Application Discontinuation
- 1979-12-18 US US06/104,851 patent/US4323940A/en not_active Expired - Lifetime
-
1980
- 1980-02-05 GB GB8003868A patent/GB2048546B/en not_active Expired
- 1980-02-14 SE SE8001170A patent/SE444741B/sv not_active IP Right Cessation
- 1980-02-26 IT IT20178/80A patent/IT1141393B/it active
- 1980-02-27 JP JP2287580A patent/JPS55117711A/ja active Pending
- 1980-02-27 DE DE19803007373 patent/DE3007373A1/de active Granted
Also Published As
Publication number | Publication date |
---|---|
DE3007373C2 (sv) | 1989-10-12 |
IT1141393B (it) | 1986-10-01 |
US4323940A (en) | 1982-04-06 |
SE444741B (sv) | 1986-04-28 |
GB2048546A (en) | 1980-12-10 |
DE3007373A1 (de) | 1980-09-11 |
NL7908861A (nl) | 1980-08-29 |
IT8020178A0 (it) | 1980-02-26 |
JPS55117711A (en) | 1980-09-10 |
FR2450494A1 (fr) | 1980-09-26 |
GB2048546B (en) | 1983-08-24 |
FR2450494B1 (sv) | 1983-07-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |
Ref document number: 8001170-3 Effective date: 19910117 Format of ref document f/p: F |