JPS5974564U - disk drive - Google Patents

disk drive

Info

Publication number
JPS5974564U
JPS5974564U JP17058582U JP17058582U JPS5974564U JP S5974564 U JPS5974564 U JP S5974564U JP 17058582 U JP17058582 U JP 17058582U JP 17058582 U JP17058582 U JP 17058582U JP S5974564 U JPS5974564 U JP S5974564U
Authority
JP
Japan
Prior art keywords
disk drive
disk
magnet
magnetic
drive 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
JP17058582U
Other languages
Japanese (ja)
Inventor
南　喜八郎
柾彦 藤田
Original Assignee
株式会社日立製作所
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 株式会社日立製作所 filed Critical 株式会社日立製作所
Priority to JP17058582U priority Critical patent/JPS5974564U/en
Publication of JPS5974564U publication Critical patent/JPS5974564U/en
Pending legal-status Critical Current

Links

Landscapes

  • Holding Or Fastening Of Disk On Rotational Shaft (AREA)
  • Rotational Drive Of Disk (AREA)

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 the drawing]

第１図は、本考案に係る磁気ディスクの断面図、第２図
は、第１図に示す磁気ディスクが回転駆動可能な状態に
セットされた様子を示す模式図、第３図は本考案の他の
実施例の断面図、第４、第５図は同じ（説明斜視図であ
る。 １・・・・・・磁気ディスク、２・・・・・・媒体、３
・・・・・・センターハブ、５・・・・・・磁性板、５
Ａ・・・・・・磁性材ピン、６・・・・・・ディスク、
駆動モータ、９・・・・・・回転テーブル、１０・・・
・・・マグネット、１０′・・・・・・多極マグネット
、１５・・・・・・発電線素を備えたプリント基板。FIG. 1 is a cross-sectional view of the magnetic disk according to the present invention, FIG. 2 is a schematic diagram showing the magnetic disk shown in FIG. 1 set in a rotatable state, and FIG. The cross-sectional views of other embodiments, FIGS. 4 and 5 are the same (explanatory perspective views). 1...Magnetic disk, 2...Medium, 3
... Center hub, 5 ... Magnetic plate, 5
A...Magnetic material pin, 6...Disk,
Drive motor, 9...Rotary table, 10...
... Magnet, 10'... Multipolar magnet, 15... Printed circuit board with power generation line element.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 磁性板を備えた硬質材のセンターフ１ブを有する磁気デ
ィスクを上記磁性板を吸着するためのマグネットを備え
た回転テーブル上に載置して、回転駆動するディスク駆
動装置において、上記マグネットを多極に着磁し、これ
によりディスク回転数検出信号を得ることを特徴とした
ディスク駆動装置。In a disk drive device that rotatably drives a magnetic disk having a center plate made of a hard material with a magnetic plate on a rotary table equipped with a magnet for attracting the magnetic plate, the magnet is mounted on a rotating table. A disk drive device characterized by magnetizing a pole and thereby obtaining a disk rotation speed detection signal.
JP17058582U 1982-11-12 1982-11-12 disk drive Pending JPS5974564U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17058582U JPS5974564U (en) 1982-11-12 1982-11-12 disk drive

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17058582U JPS5974564U (en) 1982-11-12 1982-11-12 disk drive

Publications (1)

Publication Number Publication Date
JPS5974564U true JPS5974564U (en) 1984-05-21

Family

ID=30372359

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17058582U Pending JPS5974564U (en) 1982-11-12 1982-11-12 disk drive

Country Status (1)

Country Link
JP (1) JPS5974564U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0380557U (en) * 1989-11-30 1991-08-19
JPH0562317A (en) * 1991-06-05 1993-03-12 Sony Corp Turntable for information disk

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0380557U (en) * 1989-11-30 1991-08-19
JPH0562317A (en) * 1991-06-05 1993-03-12 Sony Corp Turntable for information disk

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