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JPS60183956U - Rotating magnetic sheet device - Google Patents

Rotating magnetic sheet device

Info

Publication number
JPS60183956U
JPS60183956U JP7140884U JP7140884U JPS60183956U JP S60183956 U JPS60183956 U JP S60183956U JP 7140884 U JP7140884 U JP 7140884U JP 7140884 U JP7140884 U JP 7140884U JP S60183956 U JPS60183956 U JP S60183956U
Authority
JP
Japan
Prior art keywords
magnetic
magnetic sheet
rod
sheet device
drive shaft
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
JP7140884U
Other languages
Japanese (ja)
Other versions
JPH0316132Y2 (en
Inventor
原瀬　利克
清隆 金子
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.)
Fujifilm Holdings Corp
Original Assignee
Fuji Photo Film Co 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 Fuji Photo Film Co Ltd filed Critical Fuji Photo Film Co Ltd
Priority to JP7140884U priority Critical patent/JPS60183956U/en
Publication of JPS60183956U publication Critical patent/JPS60183956U/en
Application granted granted Critical
Publication of JPH0316132Y2 publication Critical patent/JPH0316132Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Holding Or Fastening Of Disk On Rotational Shaft (AREA)
  • Measuring Magnetic Variables (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 drawings]

第１図は磁気シートパックの平面図、第２図は　“第１
図で■−■線に沿う磁気シートパックの断面図、第３図
は磁気シート装置の斜視図、第４図は本考案の要部を示
す断面図、第５図は従来のにセンサと本考案のにセンサ
の出力特性比較図である。 １０・・・・・・磁気シートパック、１２・・・・・・
磁気シート、１４・・・・・・センタコア、１４Ａ・・
・・・・ヨーク、１４Ｂ・・・・・・磁性ピン、２４・
・・・・・装置本体、２８・・・・・・上蓋、３０・・
・・・・モータ、３２・・！・・・駆動軸、３３・・・
・・・マグネット、６６・・・・・・ＰＧセンサ、６８
・・・・・・コイル、７０・・・・・・鉄心、７２・・
・・・・鉄心、７２・・・・・・バイアス用マグネット
。Figure 1 is a plan view of the magnetic sheet pack, Figure 2 is the “1st
3 is a perspective view of the magnetic sheet device, FIG. 4 is a sectional view showing the main parts of the present invention, and FIG. 5 is a sectional view of the magnetic sheet pack taken along the line It is a comparison diagram of the output characteristics of the sensor. 10...Magnetic sheet pack, 12...
Magnetic sheet, 14... Center core, 14A...
... Yoke, 14B ... Magnetic pin, 24.
...Device body, 28...Top lid, 30...
...Motor, 32...! ... Drive shaft, 33...
...Magnet, 66...PG sensor, 68
...Coil, 70...Iron core, 72...
...Iron core, 72...Bias magnet.

Claims (2)

【実用新案登録請求の範囲】[Scope of utility model registration request] （１）磁気シートのセンタコアに磁性体が配設されると
共に、該磁性体と一体に形成されてセンタコアの表面に
露出した磁性ピンを備え、駆動軸側のマグネットで前記
磁性体を吸引して駆動軸に磁気シートのセンタコアを連
結して磁気シートを回転させる回転磁気シート装置に於
いて、前記磁性ピンに所定の間隙をもって一端が対向配
置される棒状磁性体と、棒状磁性体に巻回された検出コ
イルと、棒状磁性体の他端に設けられたバイアス用マグ
ネットとを具備することを特徴とする回転磁気シート装
置。(1) A magnetic body is disposed in the center core of the magnetic sheet, and a magnetic pin is formed integrally with the magnetic body and exposed on the surface of the center core, and the magnetic body is attracted by a magnet on the drive shaft side. In a rotating magnetic sheet device in which a center core of a magnetic sheet is connected to a drive shaft to rotate the magnetic sheet, a rod-shaped magnetic material whose one end is arranged opposite to the magnetic pin with a predetermined gap therebetween, and a rod-shaped magnetic material wound around the rod-shaped magnetic material are used. What is claimed is: 1. A rotating magnetic sheet device comprising: a detection coil having a magnetic field; and a bias magnet provided at the other end of a rod-shaped magnetic body. （２）駆動軸側のマグネットの着磁方向とバイアス用マ
グネットの着磁方向とが同一方向であるこ′　　とを特
徴とする実用新案登録請求の範囲第１項の回転磁気シー
ト装置。(2) The rotating magnetic sheet device according to claim 1, wherein the magnetization direction of the drive shaft side magnet and the magnetization direction of the bias magnet are the same direction.
JP7140884U 1984-05-16 1984-05-16 Rotating magnetic sheet device Granted JPS60183956U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7140884U JPS60183956U (en) 1984-05-16 1984-05-16 Rotating magnetic sheet device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7140884U JPS60183956U (en) 1984-05-16 1984-05-16 Rotating magnetic sheet device

Publications (2)

Publication Number Publication Date
JPS60183956U true JPS60183956U (en) 1985-12-06
JPH0316132Y2 JPH0316132Y2 (en) 1991-04-08

Family

ID=30608873

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7140884U Granted JPS60183956U (en) 1984-05-16 1984-05-16 Rotating magnetic sheet device

Country Status (1)

Country Link
JP (1) JPS60183956U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6180560A (en) * 1984-09-27 1986-04-24 Canon Electronics Inc Magnetic disc device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57195670U (en) * 1981-06-08 1982-12-11
JPS5886609A (en) * 1981-11-19 1983-05-24 Shinano Totsuki Kk Generator for rotation position signal

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57195670U (en) * 1981-06-08 1982-12-11
JPS5886609A (en) * 1981-11-19 1983-05-24 Shinano Totsuki Kk Generator for rotation position signal

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6180560A (en) * 1984-09-27 1986-04-24 Canon Electronics Inc Magnetic disc device

Also Published As

Publication number Publication date
JPH0316132Y2 (en) 1991-04-08

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