JPS5897764U - Head feeding device of rotating disk device - Google Patents

Head feeding device of rotating disk device

Info

Publication number
JPS5897764U
JPS5897764U JP19205381U JP19205381U JPS5897764U JP S5897764 U JPS5897764 U JP S5897764U JP 19205381 U JP19205381 U JP 19205381U JP 19205381 U JP19205381 U JP 19205381U JP S5897764 U JPS5897764 U JP S5897764U
Authority
JP
Japan
Prior art keywords
head
reference position
rotating disk
disk device
reached
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
JP19205381U
Other languages
Japanese (ja)
Other versions
JPH0115029Y2 (en
Inventor
薫 柳本
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 JP19205381U priority Critical patent/JPS5897764U/en
Publication of JPS5897764U publication Critical patent/JPS5897764U/en
Application granted granted Critical
Publication of JPH0115029Y2 publication Critical patent/JPH0115029Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Moving Of Heads (AREA)
  • Moving Of Head For Track Selection And Changing (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]

図はすべて本考案に係る一実施例を示すものであり、第
１図は本考案が適用される回転ディスク装置の主要部を
取り出して示す斜視図、第２図はヘッド送り関連の回路
構成の一例を示すブロック回路図である。 １・・・・・・回転ディスク装置、１３・・・・・・ス
テップモー　夕、１５・・・・・・ヘッド送りネジ、１
８・・・・・・ヘッド支持基体、２０・・・・・・磁気
ヘッド、２８・・・・・・係合部、２９・・・・・・ヘ
ッド送り機構、３０・・・・・・基準トラック位置検出
素子、３１・・・・・・ディスクカセット、３２・・・
・・・磁気ディスク、４１・曲・パワーオン検出回路、
４２・・・・・・初期駆動回路、４３・・・・・・マル
チプレクサ、４４・・・・・・加減算カウンタ回路、４
５・・・・・・制御ロジック回路、４６・・・・・・ア
ンドゲート、５０・・・・・・ホストコンピュータシス
テム。The figures all show one embodiment of the present invention; Fig. 1 is a perspective view showing the main parts of a rotating disk device to which the present invention is applied, and Fig. 2 shows the circuit configuration related to head feeding. FIG. 2 is a block circuit diagram showing an example. 1...Rotating disk device, 13...Step mode, 15...Head feed screw, 1
8... Head support base, 20... Magnetic head, 28... Engaging portion, 29... Head feeding mechanism, 30... Reference track position detection element, 31... Disc cassette, 32...
...magnetic disk, 41/song/power-on detection circuit,
42... Initial drive circuit, 43... Multiplexer, 44... Addition/subtraction counter circuit, 4
5... Control logic circuit, 46... AND gate, 50... Host computer system.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 回転駆動されるディスク状の記録媒体に対して、記録、
再生用のヘッドを径方向にステップ送りする回転ディス
ク装置のヘッド送り装置において、上記ヘッドが基準位
置に達したことを検出する基準位置検出手段と、この検
出手段からの検出出力に応じてリセットされ上記ヘッド
の送りステップを計数するカウンタ回路と、このカウン
タ回路からのカウント出力が供給され該カウント値が上
記ヘッドの有効移動範囲の境界値に達したことを検出す
る制御ロジック回路と、この制御ロジック回路からの上
記検出出力に応じてヘッドのステップ送りを停止せる手
段とを備えて成る回転ディスク装置のヘッド送り装置。Recording,
A head feeding device of a rotary disk device that feeds a reproduction head in steps in the radial direction includes a reference position detection means for detecting that the head has reached a reference position, and a reference position detection means for detecting that the head has reached a reference position, and a reset function according to a detection output from the detection means. a counter circuit that counts feed steps of the head; a control logic circuit that receives a count output from the counter circuit and detects that the count value has reached a boundary value of the effective movement range of the head; A head feeding device for a rotating disk device, comprising means for stopping step feeding of the head in response to the detection output from the circuit.
JP19205381U 1981-12-23 1981-12-23 Head feeding device of rotating disk device Granted JPS5897764U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19205381U JPS5897764U (en) 1981-12-23 1981-12-23 Head feeding device of rotating disk device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19205381U JPS5897764U (en) 1981-12-23 1981-12-23 Head feeding device of rotating disk device

Publications (2)

Publication Number Publication Date
JPS5897764U true JPS5897764U (en) 1983-07-02
JPH0115029Y2 JPH0115029Y2 (en) 1989-05-02

Family

ID=30105486

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19205381U Granted JPS5897764U (en) 1981-12-23 1981-12-23 Head feeding device of rotating disk device

Country Status (1)

Country Link
JP (1) JPS5897764U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59129971A (en) * 1983-01-14 1984-07-26 Tokyo Electric Co Ltd Driving device of floppy disk

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS497484A (en) * 1972-04-12 1974-01-23
JPS5133409U (en) * 1974-09-02 1976-03-11
JPS5162720A (en) * 1974-11-25 1976-05-31 Ibm
JPS56137557A (en) * 1980-03-31 1981-10-27 Yokogawa Hokushin Electric Corp Detecting method of reference track position for magnetic disc device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS497484A (en) * 1972-04-12 1974-01-23
JPS5133409U (en) * 1974-09-02 1976-03-11
JPS5162720A (en) * 1974-11-25 1976-05-31 Ibm
JPS56137557A (en) * 1980-03-31 1981-10-27 Yokogawa Hokushin Electric Corp Detecting method of reference track position for magnetic disc device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59129971A (en) * 1983-01-14 1984-07-26 Tokyo Electric Co Ltd Driving device of floppy disk

Also Published As

Publication number Publication date
JPH0115029Y2 (en) 1989-05-02

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