JPS5890533U - floppy disc - Google Patents

floppy disc

Info

Publication number
JPS5890533U
JPS5890533U JP18577181U JP18577181U JPS5890533U JP S5890533 U JPS5890533 U JP S5890533U JP 18577181 U JP18577181 U JP 18577181U JP 18577181 U JP18577181 U JP 18577181U JP S5890533 U JPS5890533 U JP S5890533U
Authority
JP
Japan
Prior art keywords
floppy disc
floppy disk
core metal
abstract
drive
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
JP18577181U
Other languages
Japanese (ja)
Other versions
JPH0313916Y2 (en
Inventor
小浜　慶昭
浅見　省二郎
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.)
Sony Corp
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Priority to JP18577181U priority Critical patent/JPS5890533U/en
Publication of JPS5890533U publication Critical patent/JPS5890533U/en
Application granted granted Critical
Publication of JPH0313916Y2 publication Critical patent/JPH0313916Y2/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) [Abstract] 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 the drawing]

第１図ａ、ｂは従来のフロッピーディスクの平面図、お
よび側面口、第２図はフロッピーディスクの駆動装置を
示す概略図、第３図ａ、　　ｂ、　　ｅはフロッピーデ
ィスク装置、駆動の説明図、第４図は従来のフロッピー
ディスクの装着回数とトラック中心のずれを測定したグ
ラフ、第５図はこの考案のフロッピ−デイスクに使用す
る芯金の断面図、第６図はこの考案のフローラピーディ
スクの装着回数とトラック中心のずれを測定したグラフ
である。 図中、１は磁気シート、２は芯金、３，４は孔、５はハ
ードクロームメッキ、Ｆはフロッピーディ　　　　゛ス
フ、Ｓはカセットシェル、Ｃはカセット、Ｍは駆動モー
タ、Ａはモータ軸、Ｐは位置決めピン１、Ｇは磁石であ
る。Figures 1a and 1b are a plan view and side opening of a conventional floppy disk, Figure 2 is a schematic diagram showing a floppy disk drive, and Figures 3a, b, and e are explanatory diagrams of the floppy disk drive and drive. , Fig. 4 is a graph measuring the number of loading times and track center deviation of a conventional floppy disk, Fig. 5 is a cross-sectional view of the core metal used in the floppy disk of this invention, and Fig. 6 is a graph of the floppy disk of this invention. This is a graph showing the number of times a disc is loaded and the deviation of the track center. In the figure, 1 is a magnetic sheet, 2 is a metal core, 3 and 4 are holes, 5 is hard chrome plating, F is a floppy disk, S is a cassette shell, C is a cassette, M is a drive motor, and A is a motor shaft. , P is a positioning pin 1, and G is a magnet.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 位置決め用の孔を設けた芯金を有するフロッピーディス
クにおいて、前記芯金にハードクロームメッキを施した
ことを特徴とするフロッピーディスク。1. A floppy disk having a core metal provided with a positioning hole, characterized in that the core metal is plated with hard chrome.
JP18577181U 1981-12-15 1981-12-15 floppy disc Granted JPS5890533U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18577181U JPS5890533U (en) 1981-12-15 1981-12-15 floppy disc

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18577181U JPS5890533U (en) 1981-12-15 1981-12-15 floppy disc

Publications (2)

Publication Number Publication Date
JPS5890533U true JPS5890533U (en) 1983-06-18
JPH0313916Y2 JPH0313916Y2 (en) 1991-03-28

Family

ID=29987125

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18577181U Granted JPS5890533U (en) 1981-12-15 1981-12-15 floppy disc

Country Status (1)

Country Link
JP (1) JPS5890533U (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5436706A (en) * 1977-08-26 1979-03-17 Nec Corp Flexible disc cartridge

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5436706A (en) * 1977-08-26 1979-03-17 Nec Corp Flexible disc cartridge

Also Published As

Publication number Publication date
JPH0313916Y2 (en) 1991-03-28

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