NL192851B - Inrichting voor het langs optische weg reproduceren van magnetisch geregistreerde informatie. - Google Patents
Inrichting voor het langs optische weg reproduceren van magnetisch geregistreerde informatie.Info
- Publication number
- NL192851B NL192851B NL8403951A NL8403951A NL192851B NL 192851 B NL192851 B NL 192851B NL 8403951 A NL8403951 A NL 8403951A NL 8403951 A NL8403951 A NL 8403951A NL 192851 B NL192851 B NL 192851B
- Authority
- NL
- Netherlands
- Prior art keywords
- recorded information
- magnetically recorded
- optical reproduction
- reproduction
- optical
- Prior art date
Links
Classifications
-
- 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
- G11B11/10—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 magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
- G11B11/105—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 magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
- G11B11/10532—Heads
- G11B11/10541—Heads for reproducing
- G11B11/10543—Heads for reproducing using optical beam of radiation
- G11B11/10547—Heads for reproducing using optical beam of radiation interacting with the magnetisation of an intermediate transfer element, e.g. magnetic film, included in the head
-
- 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
- G11B5/127—Structure or manufacture of heads, e.g. inductive
- G11B5/31—Structure or manufacture of heads, e.g. inductive using thin films
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Magnetic Heads (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP58252001A JPS60143462A (ja) | 1983-12-29 | 1983-12-29 | 磁気記録情報再生方法および装置 |
JP25200183 | 1983-12-29 |
Publications (3)
Publication Number | Publication Date |
---|---|
NL8403951A NL8403951A (nl) | 1985-07-16 |
NL192851B true NL192851B (nl) | 1997-11-03 |
NL192851C NL192851C (nl) | 1998-03-04 |
Family
ID=17231173
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL8403951A NL192851C (nl) | 1983-12-29 | 1984-12-27 | Inrichting voor het langs optische weg reproduceren van magnetisch geregistreerde informatie. |
Country Status (3)
Country | Link |
---|---|
US (1) | US4677513A (nl) |
JP (1) | JPS60143462A (nl) |
NL (1) | NL192851C (nl) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60143462A (ja) * | 1983-12-29 | 1985-07-29 | Fuji Photo Film Co Ltd | 磁気記録情報再生方法および装置 |
US4707755A (en) * | 1985-03-20 | 1987-11-17 | Hitachi, Ltd. | Optical read-out magnetic head |
US4931634A (en) * | 1987-12-28 | 1990-06-05 | Teijin Seiki Company Limited | Optical position sensor using Kerr effect and a magnetic scale |
JPH01287804A (ja) * | 1988-02-15 | 1989-11-20 | Alps Electric Co Ltd | 光磁気記録装置用磁気ヘッド |
US5287334A (en) * | 1989-07-29 | 1994-02-15 | Sony Corporation | Magneto-optical pickup apparatus and magneto-optical recording/reproducing apparatus |
FR2652670B1 (fr) * | 1989-10-03 | 1995-06-23 | Thomson Csf | Tete de lecture magnetooptique a haute resolution. |
JP3000492B2 (ja) * | 1991-04-22 | 2000-01-17 | キヤノン株式会社 | 情報処理装置 |
JPH075473U (ja) * | 1993-06-30 | 1995-01-27 | エムエイシイサンコー株式会社 | 盆 |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2560430A (en) * | 1949-08-27 | 1951-07-10 | Rca Corp | Magneto-optical transducer system |
US3769465A (en) * | 1969-08-18 | 1973-10-30 | Ibm | Electronic servo in magnetic recording readout |
SU479147A1 (ru) * | 1972-05-03 | 1975-07-30 | Киевский Ордена Ленина Государственный Университет Им.Т.Г.Шевчевко | Устройство магнитооптического воспроизведени |
SU501411A1 (ru) * | 1972-07-24 | 1976-01-30 | Киевский Ордена Ленина Государственный Университет Им. Т.Г.Шевченко | Магнитооптическа головка дл считывани информации |
SU477454A1 (ru) * | 1974-03-04 | 1975-07-15 | Предприятие П/Я А-3103 | Магнитооптическа головка |
SU518795A1 (ru) * | 1975-01-20 | 1976-06-25 | Предприятие П/Я А-3103 | Магнитооптическа головка |
JPS5922295B2 (ja) * | 1975-08-13 | 1984-05-25 | 松下電器産業株式会社 | 磁気ヘツド |
SU540286A1 (ru) * | 1975-11-03 | 1976-12-25 | Предприятие П/Я А-3103 | Магнитооптическа воспроизвод ща головка |
JPS5260111A (en) * | 1975-11-12 | 1977-05-18 | Matsushita Electric Ind Co Ltd | Magnetic head |
JPS57169946A (en) * | 1981-04-14 | 1982-10-19 | Nec Corp | Magnetic recorder and reproducer |
SU972576A2 (ru) * | 1981-05-04 | 1982-11-07 | Киевский Ордена Ленина Политехнический Институт Им.50-Летия Великой Октябрьской Социалистической Революции | Устройство дл контрол рабочего зазора магнитной головки |
JPS57183646A (en) * | 1981-05-07 | 1982-11-12 | Nec Corp | Magnetic recorder and reproducer |
JPS58111115A (ja) * | 1981-12-25 | 1983-07-02 | Hitachi Ltd | 薄膜磁気ヘツド |
NL192546C (nl) * | 1982-07-19 | 1997-09-02 | Nippon Telegraph & Telephone | Leeskop voor een met hoge dichtheid uitgevoerde magnetische registratie. |
JPS5930255A (ja) * | 1982-08-11 | 1984-02-17 | Nippon Hoso Kyokai <Nhk> | 磁気−光ヘツド |
FR2549271B1 (fr) * | 1983-07-13 | 1989-05-26 | Cii Honeywell Bull | Transducteur magnetique hautement integre d'ecriture d'informations sur un support magnetique |
SU1138828A1 (ru) * | 1983-07-15 | 1985-02-07 | Белорусский Ордена Трудового Красного Знамени Политехнический Институт | Устройство дл воспроизведени с носител магнитной записи |
JPS60143462A (ja) * | 1983-12-29 | 1985-07-29 | Fuji Photo Film Co Ltd | 磁気記録情報再生方法および装置 |
-
1983
- 1983-12-29 JP JP58252001A patent/JPS60143462A/ja active Granted
-
1984
- 1984-12-27 US US06/686,526 patent/US4677513A/en not_active Expired - Lifetime
- 1984-12-27 NL NL8403951A patent/NL192851C/nl not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
US4677513A (en) | 1987-06-30 |
JPS60143462A (ja) | 1985-07-29 |
JPH0443337B2 (nl) | 1992-07-16 |
NL8403951A (nl) | 1985-07-16 |
NL192851C (nl) | 1998-03-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
BA | A request for search or an international-type search has been filed | ||
BB | A search report has been drawn up | ||
BC | A request for examination has been filed | ||
V4 | Discontinued because of reaching the maximum lifetime of a patent |
Effective date: 20041227 |