JPS5869372U - magnetic sheet device - Google Patents

magnetic sheet device

Info

Publication number
JPS5869372U
JPS5869372U JP16372581U JP16372581U JPS5869372U JP S5869372 U JPS5869372 U JP S5869372U JP 16372581 U JP16372581 U JP 16372581U JP 16372581 U JP16372581 U JP 16372581U JP S5869372 U JPS5869372 U JP S5869372U
Authority
JP
Japan
Prior art keywords
sheet
pin
magnetic
magnetic sheet
axial direction
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
JP16372581U
Other languages
Japanese (ja)
Other versions
JPS6245332Y2 (en
Inventor
和男 小沢
斎藤　憲蔵
伸 佐々木
Original Assignee
ソニー株式会社
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 ソニー株式会社 filed Critical ソニー株式会社
Priority to JP16372581U priority Critical patent/JPS5869372U/en
Publication of JPS5869372U publication Critical patent/JPS5869372U/en
Application granted granted Critical
Publication of JPS6245332Y2 publication Critical patent/JPS6245332Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Holding Or Fastening Of Disk On Rotational Shaft (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) [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図は従来例を示す縦断側面図、第２図は本考案の第
′１の実施例を示す縦断側面図、第３図は磁性板の斜視
図、第４図Ａ及び第４図Ｂは上記磁性板の変形例を示す
斜視図、第５図は本考案の第２の実施例を示す縦断側面
図、第６図は磁性板の斜視図、第７図は本考案の第３の
実施例を示す縦断側面図、第８図は磁性板の斜視図であ
る。 ４・・・・・・回転磁気シート、５・・・・・・中心孔
、７・・・・・・センターコア、７Ａ・・・・・・軸方
向一端面、７Ｂ・・・・・・軸方向他端面、９．　１３
．　１８・・・・・・環状磁性板、１０．１４．１９・
・・・・・シート回転位置検出用ピン。 第４図 ７Ａ　　／　　　　　　　ゝ８FIG. 1 is a vertical side view showing a conventional example, FIG. 2 is a vertical side view showing a first embodiment of the present invention, FIG. 3 is a perspective view of a magnetic plate, and FIGS. 4A and 4B. 5 is a vertical side view showing a second embodiment of the present invention, FIG. 6 is a perspective view of the magnetic plate, and FIG. 7 is a third embodiment of the present invention. FIG. 8 is a longitudinal sectional side view showing the embodiment and a perspective view of the magnetic plate. 4...Rotating magnetic sheet, 5...Center hole, 7...Center core, 7A...One end surface in the axial direction, 7B... The other end surface in the axial direction; 9. 13
．． 18...Annular magnetic plate, 10.14.19.
...Pin for detecting seat rotation position. Figure 4 7A/ゝ8

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ジャケット筐体内に回転磁気シートを収納し、このシー
ト上に画像情報を環状トラック状に磁気語録するように
したものにおいて、上記シートの回転位置を示す磁気的
な検出信号を発生するシート回転位置検出用ピンを回転
バランスが保たれるように一体形成した環状磁性体を、
上記シートの回転中心部に取り付けたセンターコアの軸
方向一端面に、上記ピンの一端が該コアの軸方向他端面
に臨むように同心状に取り付けたことを特徴とする磁気
シート装置。A sheet rotation position detection system that generates a magnetic detection signal indicating the rotation position of the sheet, in which a rotating magnetic sheet is housed in a jacket housing, and image information is magnetically recorded in an annular track shape on the sheet. An annular magnetic body with an integrally formed pin that maintains rotational balance.
A magnetic sheet device characterized in that the pin is concentrically attached to one end surface in the axial direction of a center core attached to the rotational center of the sheet so that one end of the pin faces the other end surface in the axial direction of the core.
JP16372581U 1981-11-04 1981-11-04 magnetic sheet device Granted JPS5869372U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16372581U JPS5869372U (en) 1981-11-04 1981-11-04 magnetic sheet device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16372581U JPS5869372U (en) 1981-11-04 1981-11-04 magnetic sheet device

Publications (2)

Publication Number Publication Date
JPS5869372U true JPS5869372U (en) 1983-05-11
JPS6245332Y2 JPS6245332Y2 (en) 1987-12-03

Family

ID=29956010

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16372581U Granted JPS5869372U (en) 1981-11-04 1981-11-04 magnetic sheet device

Country Status (1)

Country Link
JP (1) JPS5869372U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58102340A (en) * 1981-12-11 1983-06-17 Teac Co Optical reproducing device
JPS6051650U (en) * 1983-09-12 1985-04-11 キヤノン株式会社 magnetic disk device
JPH0550564U (en) * 1992-06-18 1993-07-02 オリンパス光学工業株式会社 Magnetic disk recording / reproducing device
WO1998007154A1 (en) * 1996-08-08 1998-02-19 Fuji Photo Film Co., Ltd. Magnetic disk cartridge

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58102340A (en) * 1981-12-11 1983-06-17 Teac Co Optical reproducing device
JPS6051650U (en) * 1983-09-12 1985-04-11 キヤノン株式会社 magnetic disk device
JPH0550564U (en) * 1992-06-18 1993-07-02 オリンパス光学工業株式会社 Magnetic disk recording / reproducing device
WO1998007154A1 (en) * 1996-08-08 1998-02-19 Fuji Photo Film Co., Ltd. Magnetic disk cartridge

Also Published As

Publication number Publication date
JPS6245332Y2 (en) 1987-12-03

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