JPS5872794U - magnetic bubble eraser - Google Patents

magnetic bubble eraser

Info

Publication number
JPS5872794U
JPS5872794U JP16563781U JP16563781U JPS5872794U JP S5872794 U JPS5872794 U JP S5872794U JP 16563781 U JP16563781 U JP 16563781U JP 16563781 U JP16563781 U JP 16563781U JP S5872794 U JPS5872794 U JP S5872794U
Authority
JP
Japan
Prior art keywords
eraser
cassette
magnetic valve
magnetic bubble
magnetic field
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
Application number
JP16563781U
Other languages
Japanese (ja)
Other versions
JPS6128316Y2 (en
Inventor
助田　俊明
Original Assignee
富士通株式会社
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 富士通株式会社 filed Critical 富士通株式会社
Priority to JP16563781U priority Critical patent/JPS5872794U/en
Publication of JPS5872794U publication Critical patent/JPS5872794U/en
Application granted granted Critical
Publication of JPS6128316Y2 publication Critical patent/JPS6128316Y2/ja
Granted legal-status Critical Current

Links

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

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

第１図は磁気バルブメモリカセットの構成図、第２図は
磁気バブルの動作マージンの説明図、第３図は本考案に
かさる磁気バブル消去器の斜視図また第４図は消去器に
バブルメモリカセットを挿入した状態図である。 図において、１は磁気バブルメモリデバイス、５はコラ
プス磁界領域、７は動作マージン、８はヨーク、９は永
久磁石、１０はワセット逆挿入防止用ガイド、１１はバ
ブルメモリカセット、１３は側溝。　　　　“Fig. 1 is a configuration diagram of a magnetic valve memory cassette, Fig. 2 is an explanatory diagram of the operating margin of magnetic bubbles, Fig. 3 is a perspective view of a magnetic bubble eraser according to the present invention, and Fig. 4 is a bubble eraser in the eraser. FIG. 6 is a diagram showing a state in which a memory cassette is inserted. In the figure, 1 is a magnetic bubble memory device, 5 is a collapse magnetic field region, 7 is an operating margin, 8 is a yoke, 9 is a permanent magnet, 10 is a guide for preventing reverse insertion of a washer, 11 is a bubble memory cassette, and 13 is a side groove. “

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 磁気バルブメモリカセットに書き込まれている情報の消
去に使用される消去器において、該消去器が角筒状をな
すヨークの側面にカセット逆挿入防止用の突出したガイ
ドを備えると共に該ヨークの上下面に平板状磁石を備え
た構成をとり、前記カセットを挿入した際該磁石の磁界
強度が磁気バルブメモリチップに更に５０〜１５００の
バイアス磁界が加わるように形成されていることを特徴
とする磁気バルブ消去器。An eraser used for erasing information written in a magnetic valve memory cassette is provided with a protruding guide on the side surface of a square tube-shaped yoke to prevent reverse insertion of the cassette, and on the upper and lower surfaces of the yoke. A magnetic valve having a configuration including a flat magnet, and formed such that when the cassette is inserted, the magnetic field strength of the magnet is such that an additional bias magnetic field of 50 to 1500 is applied to the magnetic valve memory chip. Eraser.
JP16563781U 1981-11-06 1981-11-06 magnetic bubble eraser Granted JPS5872794U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16563781U JPS5872794U (en) 1981-11-06 1981-11-06 magnetic bubble eraser

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16563781U JPS5872794U (en) 1981-11-06 1981-11-06 magnetic bubble eraser

Publications (2)

Publication Number Publication Date
JPS5872794U true JPS5872794U (en) 1983-05-17
JPS6128316Y2 JPS6128316Y2 (en) 1986-08-22

Family

ID=29957827

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16563781U Granted JPS5872794U (en) 1981-11-06 1981-11-06 magnetic bubble eraser

Country Status (1)

Country Link
JP (1) JPS5872794U (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5587372A (en) * 1978-12-26 1980-07-02 Fujitsu Ltd Information erasion method for magnetic bubble memory device
JPS5597898U (en) * 1978-12-28 1980-07-08

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5587372A (en) * 1978-12-26 1980-07-02 Fujitsu Ltd Information erasion method for magnetic bubble memory device
JPS5597898U (en) * 1978-12-28 1980-07-08

Also Published As

Publication number Publication date
JPS6128316Y2 (en) 1986-08-22

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