JPS59125760U - magnetic recording device - Google Patents

magnetic recording device

Info

Publication number
JPS59125760U
JPS59125760U JP1630683U JP1630683U JPS59125760U JP S59125760 U JPS59125760 U JP S59125760U JP 1630683 U JP1630683 U JP 1630683U JP 1630683 U JP1630683 U JP 1630683U JP S59125760 U JPS59125760 U JP S59125760U
Authority
JP
Japan
Prior art keywords
recording device
magnetic recording
brushless motor
motor
magnetic
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
JP1630683U
Other languages
Japanese (ja)
Inventor
伊東　紀夫
Original Assignee
東北エプソン株式会社
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 東北エプソン株式会社 filed Critical 東北エプソン株式会社
Priority to JP1630683U priority Critical patent/JPS59125760U/en
Publication of JPS59125760U publication Critical patent/JPS59125760U/en
Pending legal-status Critical Current

Links

Landscapes

  • Rotational Drive Of Disk (AREA)
  • Brushless Motors (AREA)
  • Control Of Stepping Motors (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図は従来の主軸モータに使用していたブラシレスモ
ータの概略断面図。第２図は本考案による主軸用ブラシ
レスモータ概略断面図。第３図は本考案の主軸用ブラシ
レスモータの自起動タイミングチャート。第４図は本考
案による主軸用ブラシレスモータの駆動用ブロック図で
ある。FIG. 1 is a schematic cross-sectional view of a brushless motor used in a conventional spindle motor. FIG. 2 is a schematic cross-sectional view of a brushless motor for a spindle according to the present invention. FIG. 3 is a self-starting timing chart of the spindle brushless motor of the present invention. FIG. 4 is a block diagram for driving the main shaft brushless motor according to the present invention.

Claims (2)

【実用新案登録請求の範囲】[Scope of utility model registration request] （１）磁気記録媒体を回転せしめるモータにブラシレス
モータを使用した磁気記録装置に於て、該ブラシレスモ
ータは複数の極に分割着磁されたロータマグネットと、
該ロータマグネットに回転力を与える為の多相ステータ
コイルと、モータの回転位置検出を行なう為の検出コイ
ルを具え、駆動回路には自起動用に多相発振器を具えた
事を特徴とする磁気記録装置。(1) In a magnetic recording device that uses a brushless motor as a motor for rotating a magnetic recording medium, the brushless motor includes a rotor magnet that is divided into a plurality of poles and magnetized;
A magnetic magnet characterized by comprising a multiphase stator coil for applying rotational force to the rotor magnet, a detection coil for detecting the rotational position of the motor, and a drive circuit equipped with a multiphase oscillator for self-starting. Recording device. （２）前記ブラシレスモータを磁気ヘッドの回転用に使
用した事を特徴とする実用新案登録請求の範囲第１項記
載の磁気記録装置。(2) The magnetic recording device according to claim 1, wherein the brushless motor is used for rotating a magnetic head.
JP1630683U 1983-02-07 1983-02-07 magnetic recording device Pending JPS59125760U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1630683U JPS59125760U (en) 1983-02-07 1983-02-07 magnetic recording device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1630683U JPS59125760U (en) 1983-02-07 1983-02-07 magnetic recording device

Publications (1)

Publication Number Publication Date
JPS59125760U true JPS59125760U (en) 1984-08-24

Family

ID=30147599

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1630683U Pending JPS59125760U (en) 1983-02-07 1983-02-07 magnetic recording device

Country Status (1)

Country Link
JP (1) JPS59125760U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01192058A (en) * 1988-01-27 1989-08-02 Sankyo Seiki Mfg Co Ltd Disk driving motor

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5229176A (en) * 1975-09-01 1977-03-04 Hitachi Ltd Method for production of field effect transistor

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5229176A (en) * 1975-09-01 1977-03-04 Hitachi Ltd Method for production of field effect transistor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01192058A (en) * 1988-01-27 1989-08-02 Sankyo Seiki Mfg Co Ltd Disk driving motor

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