NL181310C - Magnetische registratie- en reproduktie-inrichting. - Google Patents
Magnetische registratie- en reproduktie-inrichting.Info
- Publication number
- NL181310C NL181310C NLAANVRAGE7809878,A NL7809878A NL181310C NL 181310 C NL181310 C NL 181310C NL 7809878 A NL7809878 A NL 7809878A NL 181310 C NL181310 C NL 181310C
- Authority
- NL
- Netherlands
- Prior art keywords
- reproduction device
- magnetic registration
- registration
- magnetic
- reproduction
- 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
- G11B5/127—Structure or manufacture of heads, e.g. inductive
- G11B5/1278—Structure or manufacture of heads, e.g. inductive specially adapted for magnetisations perpendicular to the surface of the record carrier
-
- 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
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Recording Or Reproducing By Magnetic Means (AREA)
- Digital Magnetic Recording (AREA)
- Magnetic Record Carriers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP52117745A JPS5810764B2 (ja) | 1977-09-30 | 1977-09-30 | 磁気記録再生装置 |
Publications (3)
Publication Number | Publication Date |
---|---|
NL7809878A NL7809878A (nl) | 1979-04-03 |
NL181310B NL181310B (nl) | 1987-02-16 |
NL181310C true NL181310C (nl) | 1987-07-16 |
Family
ID=14719249
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NLAANVRAGE7809878,A NL181310C (nl) | 1977-09-30 | 1978-09-29 | Magnetische registratie- en reproduktie-inrichting. |
Country Status (6)
Country | Link |
---|---|
US (1) | US4251842A (nl) |
JP (1) | JPS5810764B2 (nl) |
DE (1) | DE2841633C2 (nl) |
FR (1) | FR2404885A1 (nl) |
GB (1) | GB2006509B (nl) |
NL (1) | NL181310C (nl) |
Families Citing this family (35)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4481531A (en) * | 1977-11-03 | 1984-11-06 | Massachusetts Institute Of Technology | Microchannel spatial light modulator |
JPS5616917A (en) * | 1979-07-17 | 1981-02-18 | Olympus Optical Co Ltd | Thermal and magnetic recorder |
JPS5644109A (en) * | 1979-09-17 | 1981-04-23 | Toshiba Corp | Magnetic recording and reproducing system |
JPS5667904A (en) * | 1979-11-08 | 1981-06-08 | Toshiba Corp | Preparation method of megnetic powder for high density magnetic recording |
US4383284A (en) * | 1979-12-14 | 1983-05-10 | Tokyo Shibaura Denki Kabushiki Kaisha | Perpendicular magnetic head and method of manufacturing the same |
JPS5798116A (en) * | 1980-12-09 | 1982-06-18 | Matsushita Electric Ind Co Ltd | Vertical magnetic recording and reproducing head apparatus |
JPS57120221A (en) * | 1981-01-14 | 1982-07-27 | Seiko Epson Corp | Ring head for vertical magnetization recording and reproduction |
US4451858A (en) * | 1981-02-10 | 1984-05-29 | Vertimag Systems Corporation | Analog recording system |
JPS57162114A (en) * | 1981-03-30 | 1982-10-05 | Sony Corp | Magnetic head |
DE3213928A1 (de) * | 1981-04-15 | 1982-11-18 | Canon Denshi K.K., Chichibu, Saitama | Senkrecht - magnetkopf |
US4745509A (en) * | 1981-08-21 | 1988-05-17 | Matsushita Electric Industrial Company, Limited | Magnetic head with improved supporter for perpendicular magnetization recording |
JPS5914101A (ja) * | 1982-07-14 | 1984-01-25 | Hitachi Ltd | 磁気記録再生方式 |
US4541026A (en) * | 1982-07-20 | 1985-09-10 | Vertimag Systems Corporation | Hybrid read-write head for perpendicular recording media |
FR2535097B1 (fr) * | 1982-10-22 | 1989-04-07 | Cii Honeywell Bull | Dispositif d'ecriture d'informations sur un support magnetique |
JPS59144032A (ja) * | 1983-02-07 | 1984-08-17 | Konishiroku Photo Ind Co Ltd | 磁気記録媒体 |
JPS59157835A (ja) * | 1983-02-28 | 1984-09-07 | Konishiroku Photo Ind Co Ltd | 磁気記録媒体 |
JPS59157828A (ja) * | 1983-02-28 | 1984-09-07 | Konishiroku Photo Ind Co Ltd | 磁気記録媒体 |
JPS59157831A (ja) * | 1983-02-28 | 1984-09-07 | Konishiroku Photo Ind Co Ltd | 磁気記録媒体 |
JPS59157838A (ja) * | 1983-02-28 | 1984-09-07 | Konishiroku Photo Ind Co Ltd | 磁気記録媒体 |
US4672494A (en) * | 1983-09-01 | 1987-06-09 | Matsushita Electric Industrial Co., Ltd. | Magnetic head for effecting perpendicular magnetic recording |
JPH0661130B2 (ja) * | 1983-10-28 | 1994-08-10 | 株式会社日立製作所 | 垂直磁気記録媒体とその製造方法 |
US4700253A (en) * | 1983-11-22 | 1987-10-13 | Minnesota Mining And Manufacturing Company | Slanted pole head for magnetic recording |
JPS60224110A (ja) * | 1984-04-20 | 1985-11-08 | Alps Electric Co Ltd | 磁気記録用装置 |
JP2563247B2 (ja) * | 1985-04-30 | 1996-12-11 | 株式会社東芝 | 磁気記録再生装置 |
US4663676A (en) * | 1985-09-13 | 1987-05-05 | International Business Machines | Return to zero vertical magnetic recording system |
US4786891A (en) * | 1986-04-08 | 1988-11-22 | Yokogawa Electric Corporation | Absolute encoder for linear or angular position measurements |
US5001589A (en) * | 1989-05-31 | 1991-03-19 | Seagate Technology, Inc. | Tungsten and tantalum diffusion barriers for Metal-In-Gap magnetic heads |
DE4442682C2 (de) * | 1994-11-30 | 1997-12-18 | Bogen Electronic Gmbh | Kodierkopf zum Magnetisieren von Schichten |
JP4102013B2 (ja) | 2000-09-22 | 2008-06-18 | 株式会社東芝 | 垂直記録ヘッドおよび垂直磁気記録装置 |
DE10210326B4 (de) | 2002-03-08 | 2019-02-21 | Asm Automation Sensorik Messtechnik Gmbh | Magnetisieren von magnetischen Meßkörpern |
US7313013B2 (en) * | 2004-11-18 | 2007-12-25 | International Business Machines Corporation | Spin-current switchable magnetic memory element and method of fabricating the memory element |
US7736765B2 (en) * | 2004-12-28 | 2010-06-15 | Seagate Technology Llc | Granular perpendicular magnetic recording media with dual recording layer and method of fabricating same |
US8110298B1 (en) | 2005-03-04 | 2012-02-07 | Seagate Technology Llc | Media for high density perpendicular magnetic recording |
US8119263B2 (en) * | 2005-09-22 | 2012-02-21 | Seagate Technology Llc | Tuning exchange coupling in magnetic recording media |
US8697260B2 (en) * | 2008-07-25 | 2014-04-15 | Seagate Technology Llc | Method and manufacture process for exchange decoupled first magnetic layer |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3438010A (en) * | 1957-11-18 | 1969-04-08 | Lab For Electronics Inc | High capacity data processing techniques |
US3185775A (en) * | 1958-03-10 | 1965-05-25 | Iit Res Inst | Oriented tape |
US3052567A (en) * | 1959-09-23 | 1962-09-04 | Minnesota Mining & Mfg | Magnetic recording medium |
JPS5843815B2 (ja) * | 1975-10-23 | 1983-09-29 | 富士写真フイルム株式会社 | ジキキロクテ−プ |
-
1977
- 1977-09-30 JP JP52117745A patent/JPS5810764B2/ja not_active Expired
-
1978
- 1978-09-25 DE DE2841633A patent/DE2841633C2/de not_active Expired
- 1978-09-25 US US05/945,295 patent/US4251842A/en not_active Expired - Lifetime
- 1978-09-29 NL NLAANVRAGE7809878,A patent/NL181310C/nl not_active IP Right Cessation
- 1978-09-29 FR FR7827911A patent/FR2404885A1/fr active Granted
- 1978-10-02 GB GB7838969A patent/GB2006509B/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
NL7809878A (nl) | 1979-04-03 |
GB2006509A (en) | 1979-05-02 |
FR2404885A1 (fr) | 1979-04-27 |
FR2404885B1 (nl) | 1983-07-18 |
DE2841633C2 (de) | 1982-03-11 |
GB2006509B (en) | 1982-03-10 |
DE2841633A1 (de) | 1979-04-12 |
JPS5451810A (en) | 1979-04-24 |
NL181310B (nl) | 1987-02-16 |
JPS5810764B2 (ja) | 1983-02-28 |
US4251842A (en) | 1981-02-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A1A | 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 | ||
A85 | Still pending on 85-01-01 | ||
V1 | Lapsed because of non-payment of the annual fee |
Effective date: 19970401 |