JP2019519060A - 磁気ヘッド - Google Patents
磁気ヘッド Download PDFInfo
- Publication number
- JP2019519060A JP2019519060A JP2018566912A JP2018566912A JP2019519060A JP 2019519060 A JP2019519060 A JP 2019519060A JP 2018566912 A JP2018566912 A JP 2018566912A JP 2018566912 A JP2018566912 A JP 2018566912A JP 2019519060 A JP2019519060 A JP 2019519060A
- Authority
- JP
- Japan
- Prior art keywords
- magnetic head
- tape
- magnetizable
- head according
- magnetic
- Prior art date
- 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
- G11B5/008—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires
- G11B5/00813—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires magnetic tapes
-
- 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
- G11B5/024—Erasing
-
- 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
-
- 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
- G11B5/187—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features
-
- 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
- G11B5/325—Erasing heads using permanent magnets
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Magnetic Heads (AREA)
- Recording Or Reproducing By Magnetic Means (AREA)
- Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
- Materials For Medical Uses (AREA)
Abstract
Description
a.本発明の第1の態様による磁気ヘッドを設けるステップと、
b.磁気ヘッドの実質的に平面の外面を通り過ぎてテープを通過させるステップと、を含む方法を提供する。
a.本発明の第1の態様による磁気ヘッドと、
b.テープを解除可能に保持するテープ位置付け手段と、
c.磁気ヘッドの実質的に平面の外面に隣接して、磁気ヘッドを通り過ぎてテープを駆動させる駆動手段と、を含むシステムを提供する。
Claims (13)
- 磁気テープ上のデータを消去する磁気ヘッドであって、前記磁気ヘッドが、その上に取り付けられた細長い磁石を有する本体と、前記磁石と磁化可能につながった複数の離散磁化可能部と、を含み、前記複数の磁化可能部が、前記細長い磁石とアライメントされ、前記磁気ヘッドの実質的に平面の外面の少なくとも一部を形成する、磁気ヘッド。
- 前記磁石が、前記実質的な平面の下方に位置する、請求項1に記載の磁気ヘッド。
- 前記本体が非磁化可能材料を含む、請求項1又は2に記載の磁気ヘッド。
- 一片の細長い磁石を含む、請求項1〜3のいずれか1項に記載の磁気ヘッド。
- 前記複数の磁化可能部が、全て同様の形状及びサイズを有する、請求項1〜4のいずれか1項に記載の磁気ヘッド。
- 前記複数の磁化可能部が互いにアライメントされる、請求項1〜5のいずれか1項に記載の磁気ヘッド。
- 各磁化可能部が、隣接するそれぞれの磁化可能部から等距離にある、請求項1〜6のいずれか1項に記載の磁気ヘッド。
- 前記複数の磁化可能部が、前記本体内に埋め込まれることによって、前記本体と共に、前記平面の少なくとも一部を形成する、請求項1〜7のいずれか1項に記載の磁気ヘッド。
- 前記複数のアライメントされた磁化可能部に隣接して配置される長手方向セラミックエッジ部をさらに含む、請求項1〜8のいずれか1項に記載の磁気ヘッド。
- セラミックエッジ部が、前記アライメントされた複数の磁化可能部の各長手方向エッジに沿って配置される、請求項1〜9のいずれか1項に記載の磁気ヘッド。
- 前記磁化可能部がスチール材料を含む、請求項1〜10のいずれか1項に記載の磁気ヘッド。
- 磁気テープ上のデータを消去する方法であって、
a.請求項1〜11のいずれか1項に記載の磁気ヘッドを設けるステップと、
b.前記磁気ヘッドの前記実質的に平面の外面を通り過ぎてテープを通過させるステップと、を含む方法。 - 磁気テープ上のデータを消去するシステムであって、
a.請求項1〜11のいずれか1項に記載の磁気ヘッドと、
b.テープを解除可能に保持するテープ位置付け手段と、
c.前記磁気ヘッドの前記実質的に平面の外面に隣接して、前記磁気ヘッドを通り過ぎて前記テープを駆動させる駆動手段と、を含むシステム。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1610940.7 | 2016-06-21 | ||
GB1610940.7A GB2557564B (en) | 2016-06-22 | 2016-06-22 | Magnetic head |
PCT/GB2017/051824 WO2017221014A1 (en) | 2016-06-22 | 2017-06-21 | Magnetic head |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2019519060A true JP2019519060A (ja) | 2019-07-04 |
JP7112335B2 JP7112335B2 (ja) | 2022-08-03 |
Family
ID=56895235
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2018566912A Active JP7112335B2 (ja) | 2016-06-22 | 2017-06-21 | 磁気ヘッド |
Country Status (15)
Country | Link |
---|---|
US (1) | US10475472B2 (ja) |
EP (1) | EP3475946B1 (ja) |
JP (1) | JP7112335B2 (ja) |
CN (1) | CN109564763B (ja) |
AU (1) | AU2017282087B2 (ja) |
BR (1) | BR112018076745A2 (ja) |
CA (1) | CA3028340A1 (ja) |
DE (1) | DE112016001154B4 (ja) |
GB (1) | GB2557564B (ja) |
MX (1) | MX2018016421A (ja) |
RU (1) | RU2749334C2 (ja) |
SA (1) | SA518400722B1 (ja) |
SG (1) | SG11201811453YA (ja) |
WO (1) | WO2017221014A1 (ja) |
ZA (1) | ZA201900380B (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11837263B1 (en) | 2022-08-18 | 2023-12-05 | International Business Machines Corporation | Tape erase element included in a tape erase device to erase a tape medium |
Citations (7)
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---|---|---|---|---|
JPS5656018U (ja) * | 1979-10-02 | 1981-05-15 | ||
JP3021201U (ja) * | 1995-08-01 | 1996-02-20 | 嘉徳 北村 | 消去ヘッド |
JPH11339206A (ja) * | 1998-05-27 | 1999-12-10 | Funai Electric Co Ltd | 磁気記録再生装置 |
JP2002230706A (ja) * | 2001-01-30 | 2002-08-16 | Otari Kk | 磁気テープの消磁装置 |
JP2005203036A (ja) * | 2004-01-15 | 2005-07-28 | Win Tec:Kk | 磁気カードライタおよび磁気カードライト方法 |
JP2007250112A (ja) * | 2006-03-17 | 2007-09-27 | Fujifilm Corp | Dc消磁ヘッド及びサーボライタ、並びに磁気テープの製造方法 |
JP2013004053A (ja) * | 2011-06-22 | 2013-01-07 | Nidec Sankyo Corp | カードリーダ |
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CA606362A (en) * | 1960-10-04 | Armour Research Foundation Of Illinois Institute Of Technology | Magnetic transducer head assembly | |
US3171107A (en) * | 1961-07-03 | 1965-02-23 | Ibm | Wide-record narrow-read magnetic head |
CH407573A (de) * | 1962-10-22 | 1966-02-15 | Telefunken Patent | Mehrspurlöschkopf |
DE2045073B2 (de) * | 1970-09-11 | 1976-09-02 | Süddeutsches mechanisches Werk Freiherr von Hornstein KG, 8191 Münsing | Magnetkopf fuer kassettentonbandgeraete oder andere bandaufzeichnungs- und bandwiedergabegeraete |
DE2261450B2 (de) * | 1972-12-15 | 1977-08-25 | Agfa-Gevaert Ag, 5090 Leverkusen | Loescheinrichtung fuer bewegte magnetische aufzeichnungstraeger |
JPS5022614A (ja) * | 1973-06-26 | 1975-03-11 | ||
JPS5325410A (en) * | 1976-08-20 | 1978-03-09 | Sony Corp | Magnetic head |
JPS5589913A (en) * | 1978-12-28 | 1980-07-08 | Pioneer Electronic Corp | Magnetic head for eraseing |
JPS55122217A (en) * | 1979-03-08 | 1980-09-19 | Toshiba Corp | Erasing head |
JPS55146627A (en) | 1979-05-04 | 1980-11-15 | Victor Co Of Japan Ltd | Magnetic head for erasure |
US4286295A (en) * | 1979-06-22 | 1981-08-25 | George Ipolyi | Device for erasing visible recorded signals from a recording medium having oriented magnetic components |
JPS57111803A (en) * | 1980-12-26 | 1982-07-12 | Alps Electric Co Ltd | Erasing head |
JPS5860321A (ja) * | 1981-10-07 | 1983-04-09 | Omron Tateisi Electronics Co | 温度調節器 |
JPS5860321U (ja) | 1981-10-19 | 1983-04-23 | ソニー株式会社 | 磁気消去ヘツド |
JPS5946432A (ja) | 1982-09-09 | 1984-03-15 | Matsushita Electric Ind Co Ltd | 空気調和機のフアンモ−タ取付装置 |
SU1094054A1 (ru) * | 1982-12-17 | 1984-05-23 | Всесоюзный научно-исследовательский институт радиовещательного приема и акустики им.А.С.Попова | Стирающа магнитна головка (ее варианты) |
JPS59146432A (ja) * | 1983-02-10 | 1984-08-22 | Matsushita Electric Ind Co Ltd | 交流消去ヘツド |
JPH0740335B2 (ja) * | 1983-12-27 | 1995-05-01 | 日本碍子株式会社 | 磁気ヘッド用コアの製造方法 |
US4683509A (en) * | 1984-06-15 | 1987-07-28 | Odetics, Inc. | High efficiency magnetic erase head |
JPS6233316A (ja) * | 1985-08-02 | 1987-02-13 | Matsushita Electric Ind Co Ltd | 永久磁石消去ヘツド |
JPH01264612A (ja) | 1988-04-15 | 1989-10-20 | Otani Denki Kk | 消去ヘツド及び消去ヘツドの製造方法 |
SU1661831A1 (ru) * | 1989-02-03 | 1991-07-07 | Предприятие П/Я В-2867 | Стирающа магнитна головка |
JPH05325141A (ja) * | 1992-05-18 | 1993-12-10 | Hitachi Electron Eng Co Ltd | 磁気ディスクの消磁ヘッド |
US5331493A (en) * | 1992-08-21 | 1994-07-19 | Minnesota Mining And Manufacturing Company | Bidirectional thin-film magnetoresistive tape head assembly |
JPH07282417A (ja) | 1994-04-13 | 1995-10-27 | Sony Corp | 消去ヘッド |
JP3539348B2 (ja) * | 2000-05-10 | 2004-07-07 | 船井電機株式会社 | 消去ヘッドのギャップ形成方法と消去ヘッド |
JP2005085443A (ja) * | 2003-09-11 | 2005-03-31 | Sony Corp | 薄膜磁気ヘッド及びその製造方法 |
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JP5589913B2 (ja) | 2011-03-15 | 2014-09-17 | コベルコ建機株式会社 | 作業機械 |
-
2016
- 2016-06-22 GB GB1610940.7A patent/GB2557564B/en active Active
-
2017
- 2017-06-21 CA CA3028340A patent/CA3028340A1/en active Pending
- 2017-06-21 SG SG11201811453YA patent/SG11201811453YA/en unknown
- 2017-06-21 AU AU2017282087A patent/AU2017282087B2/en active Active
- 2017-06-21 RU RU2018147382A patent/RU2749334C2/ru active
- 2017-06-21 BR BR112018076745-0A patent/BR112018076745A2/pt unknown
- 2017-06-21 WO PCT/GB2017/051824 patent/WO2017221014A1/en active Application Filing
- 2017-06-21 EP EP17739641.3A patent/EP3475946B1/en active Active
- 2017-06-21 MX MX2018016421A patent/MX2018016421A/es unknown
- 2017-06-21 DE DE112016001154.7T patent/DE112016001154B4/de active Active
- 2017-06-21 JP JP2018566912A patent/JP7112335B2/ja active Active
- 2017-06-21 US US15/552,269 patent/US10475472B2/en active Active
- 2017-06-21 CN CN201780047733.2A patent/CN109564763B/zh active Active
-
2018
- 2018-12-23 SA SA518400722A patent/SA518400722B1/ar unknown
-
2019
- 2019-01-18 ZA ZA2019/00380A patent/ZA201900380B/en unknown
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5656018U (ja) * | 1979-10-02 | 1981-05-15 | ||
JP3021201U (ja) * | 1995-08-01 | 1996-02-20 | 嘉徳 北村 | 消去ヘッド |
JPH11339206A (ja) * | 1998-05-27 | 1999-12-10 | Funai Electric Co Ltd | 磁気記録再生装置 |
JP2002230706A (ja) * | 2001-01-30 | 2002-08-16 | Otari Kk | 磁気テープの消磁装置 |
JP2005203036A (ja) * | 2004-01-15 | 2005-07-28 | Win Tec:Kk | 磁気カードライタおよび磁気カードライト方法 |
JP2007250112A (ja) * | 2006-03-17 | 2007-09-27 | Fujifilm Corp | Dc消磁ヘッド及びサーボライタ、並びに磁気テープの製造方法 |
JP2013004053A (ja) * | 2011-06-22 | 2013-01-07 | Nidec Sankyo Corp | カードリーダ |
Also Published As
Publication number | Publication date |
---|---|
AU2017282087B2 (en) | 2022-05-19 |
AU2017282087A1 (en) | 2019-01-17 |
RU2749334C2 (ru) | 2021-06-08 |
EP3475946C0 (en) | 2024-07-24 |
EP3475946A1 (en) | 2019-05-01 |
EP3475946B1 (en) | 2024-07-24 |
NZ749850A (en) | 2023-09-29 |
DE112016001154B4 (de) | 2023-10-12 |
GB2557564A (en) | 2018-06-27 |
RU2018147382A3 (ja) | 2020-09-24 |
SG11201811453YA (en) | 2019-01-30 |
BR112018076745A2 (pt) | 2019-03-26 |
GB201610940D0 (en) | 2016-08-03 |
WO2017221014A1 (en) | 2017-12-28 |
CN109564763A (zh) | 2019-04-02 |
CN109564763B (zh) | 2021-08-17 |
SA518400722B1 (ar) | 2021-11-25 |
GB2557564B (en) | 2020-10-28 |
CA3028340A1 (en) | 2017-12-28 |
US20190147906A1 (en) | 2019-05-16 |
RU2018147382A (ru) | 2020-07-22 |
JP7112335B2 (ja) | 2022-08-03 |
MX2018016421A (es) | 2019-08-12 |
US10475472B2 (en) | 2019-11-12 |
ZA201900380B (en) | 2020-05-27 |
DE112016001154T5 (de) | 2018-03-01 |
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