JPS5891578A - Magnetic bubble memory cassette - Google Patents

Magnetic bubble memory cassette

Info

Publication number
JPS5891578A
JPS5891578A JP56187886A JP18788681A JPS5891578A JP S5891578 A JPS5891578 A JP S5891578A JP 56187886 A JP56187886 A JP 56187886A JP 18788681 A JP18788681 A JP 18788681A JP S5891578 A JPS5891578 A JP S5891578A
Authority
JP
Japan
Prior art keywords
magnetic
bubble memory
magnetic bubble
case
memory device
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.)
Pending
Application number
JP56187886A
Other languages
Japanese (ja)
Inventor
Masaru Kawaguchi
優 川口
Toshio Futami
二見　利男
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP56187886A priority Critical patent/JPS5891578A/en
Publication of JPS5891578A publication Critical patent/JPS5891578A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C19/00—Digital stores in which the information is moved stepwise, e.g. shift registers
    • G11C19/02—Digital stores in which the information is moved stepwise, e.g. shift registers using magnetic elements
    • G11C19/08—Digital stores in which the information is moved stepwise, e.g. shift registers using magnetic elements using thin films in plane structure
    • G11C19/085—Generating magnetic fields therefor, e.g. uniform magnetic field for magnetic domain stabilisation

Abstract

PURPOSE:To prevent extinction of magnetic bubble information stored and held in a nagnetic bubble memory device in a case, by providing an external magnetic shielding body on a part of a case of a magnetic bubble memory cassette. CONSTITUTION:A magnetic bubble memory cassette is incorporated with a magnetic bubble memory device 6 in a case 11 made of synthetic resin, and the side is provided with a connector 12 for connecting a magnetic bubble memory device. On the outside surface of the case 11, a permalloy plate 13 is provided as a magnetic shielding body. In this way, magnetic transmission into the case from an external magnetic field is dropped, and extinction of magnetic bubble information stored and held in the device is prevented.

Description

【発明の詳細な説明】 本発明は磁気バブルメモリカセット、特に磁気バブルカ
セットケースの外部磁界遮蔽構造に関するものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a magnetic bubble memory cassette, and more particularly to an external magnetic field shielding structure for a magnetic bubble cassette case.

一般に磁気バブルメモリ装置は、第１図に要部ブロック
図で示すようにインターフェース制御回路部１．タイ２
ング；ントロール回路部２１パルス電流駆動回路部３．
電源回路部４．（１号検出回路部Ｓおよび磁気バブルメ
モリデバイス６から構成され、中央演算処理回路（ＣＰ
Ｕ）７に接続されている。この場合、上記磁気バブルメ
モリデバイス６は磁気バブルメモリ素子、バイアス磁界
発生用の一対の永久磁石板、整磁板および回転磁界発生
用コイルなどから構成されている。In general, a magnetic bubble memory device has an interface control circuit section 1. Thailand 2
control circuit section 21 pulse current drive circuit section 3.
Power supply circuit section 4. (Consists of No. 1 detection circuit section S and magnetic bubble memory device 6, central processing circuit (CP
U) Connected to 7. In this case, the magnetic bubble memory device 6 is composed of a magnetic bubble memory element, a pair of permanent magnet plates for generating a bias magnetic field, a magnetization plate, a coil for generating a rotating magnetic field, and the like.

一般にこのように構成される磁気バブルメモリ装置にお
いて、磁気バブルメモリデバイス６には所要の情報が直
径数ミクロンの磁気バブルで記憶されているため、磁気
パプルメ篭りデバイス６の近傍シよび周辺部には外部磁
気源を近接させないような配慮が施されている。Generally, in a magnetic bubble memory device configured as described above, the required information is stored in the magnetic bubble memory device 6 using magnetic bubbles with a diameter of several micrometers. Care has been taken to avoid bringing external magnetic sources into close proximity.

一方、近年の磁気バブルメそリ装置の普及に伴ない低価
格でしかも持ち運びや作業性において有利な磁気バブル
メモリカセットの必要性が増大している。この磁気バブ
ルメモリカ竜ットはメモリを受は入れる装置側に上記第
１図で示した磁気パズルメモリ装置の各構成回路部のう
ち磁気バブルメモリデバイス６を除く少なくとも１個の
構成回路を持たせてかき、一方磁気バプルメモリカセッ
ト側では少なくとも磁気バブルメモリデバイス６を構成
要素として持たせ、両者で補完して磁気バブルメモリ装
置と同勢の機能を有するようにしたものである。On the other hand, with the spread of magnetic bubble memory devices in recent years, there has been an increasing need for magnetic bubble memory cassettes that are low in price and are advantageous in terms of portability and workability. This magnetic bubble memory card has at least one component circuit other than the magnetic bubble memory device 6 among the component circuits of the magnetic puzzle memory device shown in FIG. Moreover, on the magnetic bubble memory cassette side, at least the magnetic bubble memory device 6 is provided as a component, and the two complement each other to have the same function as the magnetic bubble memory device.

このように構成された磁気バブルメモリカセットは、第
２図に要部斜視図で示すように合成樹脂製のケース１１
内に少なくとも磁気バブルメモリデバイｘ６（図示せず
）が収納配置され、側面に磁気パズルメモリ装置接続用
としてのコネクタ１２を備えた構造を有している。磁気
バブルメモリカセットは小形でしかも取に扱い易いため
、マグネットスタンド郷の強磁界のもとに配置される機
会が多くなシ、その磁界の影響にょ）磁気バブルメモリ
デバイス１内に記憶保存されていた磁気バブルメモリ情
報が消滅するという問題があった。The magnetic bubble memory cassette constructed in this way has a case 11 made of synthetic resin, as shown in a perspective view of the main parts in FIG.
It has a structure in which at least a magnetic bubble memory device x6 (not shown) is housed therein, and a connector 12 for connecting a magnetic puzzle memory device is provided on the side. Because the magnetic bubble memory cassette is small and easy to handle, it is often placed under the strong magnetic field of a magnet stand. There was a problem in that the magnetic bubble memory information stored in the magnetic bubble memory disappeared.

し九がって本発明は、磁気バブルメモリカセットのケー
スの少なくとも一部に磁気蓮蔽体を用いるヒとによって
、磁気パズルメモリデバイスに記憶保存されている磁気
バブル情報の消滅を防止した磁気バブルメモリカセット
を提供、することを目的としている。以下図面を用りて
本発明の実施例を詳細に説明する。Accordingly, the present invention provides a magnetic bubble that prevents disappearance of magnetic bubble information stored in a magnetic puzzle memory device by using a magnetic lotus shield in at least a part of the case of the magnetic bubble memory cassette. The purpose is to provide memory cassettes. Embodiments of the present invention will be described in detail below with reference to the drawings.

第３図は本発明による磁気バブルメモリカセットの一実
施例を示す要部斜視図であｒ、＃ｒ２図と同記号社同−
要素となるのでその説明は省略する。FIG. 3 is a perspective view of a main part showing an embodiment of the magnetic bubble memory cassette according to the present invention.
Since it is an element, its explanation will be omitted.

同図において、合成樹脂製の磁気バブルメモリカセット
ケース１１の外面には、磁気遮蔽性を有する軟磁性体と
して例えばパーマロイ板１３が帯状に巻設固定されてい
る。仁の場合、この帯状のパーｆｆロイ板１３は少なく
と屯−重に巻設され、溶接、嵌合などの接合手段にょシ
固着配置されている。In the figure, on the outer surface of a magnetic bubble memory cassette case 11 made of synthetic resin, a permalloy plate 13, for example, as a soft magnetic material having magnetic shielding properties is wound and fixed in a band shape. In the case of a steel sheet, this belt-shaped parffloy plate 13 is wound at least one round, and is fixedly arranged by a joining means such as welding or fitting.

このような構成によれば、ケース１１の外面に磁気速蔽
体としてのパーマ胃イ板１３を設けたことによって、外
部磁界のケース１１内への磁気透過が大幅に低下し、磁
気バブルメモリデバイス６（図示せず）内に記憶保存さ
れている磁気バブル情報の消滅を確実に防止することが
できる。According to such a configuration, by providing the permanent magnet plate 13 as a magnetic velocity shield on the outer surface of the case 11, magnetic permeation of the external magnetic field into the case 11 is significantly reduced, and the magnetic bubble memory device 6 (not shown) can be reliably prevented from disappearing.

第４図、第５図は本発明による磁気パズルメモリカセッ
トの他の実施例を示す要部断面構成図である。これらの
図において、第４図は合成樹脂製のケース１１の内面全
面、第５図は合成樹脂製のケース１１の外面全面にそれ
ぞれ磁気速蔽性を有する軟磁性体として例えばパーマロ
イ板１３を接着剤（図示せず）で貼シ合わせて磁気バブ
ルメモリカセットを構成したものである。FIGS. 4 and 5 are sectional views showing main parts of other embodiments of the magnetic puzzle memory cassette according to the present invention. In these figures, FIG. 4 shows the entire inner surface of the case 11 made of synthetic resin, and FIG. A magnetic bubble memory cassette is constructed by pasting them together with an adhesive (not shown).

このような構成においても、ケース１１の内部への外部
磁界の透過を小さくすることができるので、前述と全（
同様の効果が得られる。Even in such a configuration, it is possible to reduce the transmission of the external magnetic field into the inside of the case 11, so that the above-mentioned and total (
A similar effect can be obtained.

第６図は本発明による磁気バブルメモリカセラＦのさら
に他の実施例を示す要部断面構成図である。同図におい
て、少なくとも磁気バブルメモリデバイス６（＠示せず
）を収納配置する磁気パプルメ篭りカセットケース１４
を、磁気遮蔽性を有する軟磁性体として例えばパーマロ
イ粉体を含む合成樹脂材で構成したものである。さらに
他の実施例としてケース１４全体をづ−マロイ板もしく
はそれらの組立体で構成しても前述と全く同様の磁気遮
蔽効果が得られる。FIG. 6 is a cross-sectional configuration diagram of main parts showing still another embodiment of the magnetic bubble memory cassera F according to the present invention. In the figure, a magnetic paplume cage cassette case 14 houses and arranges at least a magnetic bubble memory device 6 (not shown).
is made of a synthetic resin material containing, for example, permalloy powder as a soft magnetic material having magnetic shielding properties. In yet another embodiment, the entire case 14 may be constructed of a Z-Malloy plate or an assembly thereof, and the same magnetic shielding effect as described above can be obtained.

以上説明したように本発明によれば、磁気バブルメモリ
カセット内部への外部磁界の影響を小さくできるので、
磁気バブルメモリカセットの強磁界における情報保存を
可能とすることができるという極めて優れた効果が得ら
れる。As explained above, according to the present invention, the influence of the external magnetic field on the inside of the magnetic bubble memory cassette can be reduced.
An extremely excellent effect is obtained in that the magnetic bubble memory cassette can store information in a strong magnetic field.

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は磁気バブルメモリ装置の一例を示す要部ブロッ
ク図、第２図は磁気バブルメモリカセットの一例を示す
要部斜視図、第３図は本発明による磁気バブルメモリカ
セットの一実施例を示す要部斜視図、第４図ないし第６
図は本発明による磁気バブルメモリカセットの他の実施
例を示す要部断面構成図である。 ６・・・・磁気バブルメモリデバイス、１１・や・Φケ
ース、１２書・・・コネクタ、１３・・・・パーｆｆイ
板１．’　１４　ａ　ＩＩ　６参ケース。 代理人　弁理士　　薄　１）利　幸 ５、−一 ノ 一 第１図 ４ 第２図 第３図 １を 第４図　　　　　第５図 第６図 】４FIG. 1 is a block diagram of essential parts showing an example of a magnetic bubble memory device, FIG. 2 is a perspective view of essential parts showing an example of a magnetic bubble memory cassette, and FIG. 3 is an embodiment of a magnetic bubble memory cassette according to the present invention. Perspective views of main parts shown in Figures 4 to 6.
The figure is a cross-sectional configuration diagram of main parts showing another embodiment of the magnetic bubble memory cassette according to the present invention. 6...magnetic bubble memory device, 11...near Φ case, 12 book...connector, 13...perff board 1. '14 a II 6 case. Agent Patent Attorney Susuki 1) Toshiyuki 5, - Ichinoichi Figure 1 4 Figure 2 Figure 3 Figure 1 to 4 Figure 5 Figure 6] 4

Claims (1)

【特許請求の範囲】[Claims] 磁気バブルメモリ素子と、前配素子を駆動させる回転磁
界発生コイルと、前記素子にバイアス磁界を与える一対
の永久磁石板、整磁板とを一体構成し喪磁気バブルメモ
リデバイスを少なくともケース内に収納配置させた磁気
バブルメモリカセットにおいて、前記ケースの少なくと
も一部に磁気膣蔽体を有すると七を特徴とした磁気バブ
ルメモリカセット。A magnetic bubble memory device is integrated with a magnetic bubble memory element, a rotating magnetic field generation coil for driving a front element, a pair of permanent magnet plates and a magnetization plate for applying a bias magnetic field to the element, and the magnetic bubble memory device is housed in at least a case. 7. A magnetic bubble memory cassette, characterized in that at least a portion of the case has a magnetic shield.
JP56187886A 1981-11-25 1981-11-25 Magnetic bubble memory cassette Pending JPS5891578A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56187886A JPS5891578A (en) 1981-11-25 1981-11-25 Magnetic bubble memory cassette

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56187886A JPS5891578A (en) 1981-11-25 1981-11-25 Magnetic bubble memory cassette

Publications (1)

Publication Number Publication Date
JPS5891578A true JPS5891578A (en) 1983-05-31

Family

ID=16213911

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56187886A Pending JPS5891578A (en) 1981-11-25 1981-11-25 Magnetic bubble memory cassette

Country Status (1)

Country Link
JP (1) JPS5891578A (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54136238A (en) * 1978-04-14 1979-10-23 Nec Corp Magnetic bubble memory element

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54136238A (en) * 1978-04-14 1979-10-23 Nec Corp Magnetic bubble memory element

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