JPS60175250A - レコ−ドの偏心検出方法 - Google Patents

レコ−ドの偏心検出方法

Info

Publication number
JPS60175250A
JPS60175250A JP3040484A JP3040484A JPS60175250A JP S60175250 A JPS60175250 A JP S60175250A JP 3040484 A JP3040484 A JP 3040484A JP 3040484 A JP3040484 A JP 3040484A JP S60175250 A JPS60175250 A JP S60175250A
Authority
JP
Japan
Prior art keywords
record
eccentricity
turntable
fourier series
individual
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
JP3040484A
Other languages
English (en)
Japanese (ja)
Other versions
JPS641866B2 (enrdf_load_stackoverflow
Inventor
Hiroshi Meguro
弘 目黒
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.)
Nakamichi Corp
Original Assignee
Nakamichi Corp
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 Nakamichi Corp filed Critical Nakamichi Corp
Priority to JP3040484A priority Critical patent/JPS60175250A/ja
Publication of JPS60175250A publication Critical patent/JPS60175250A/ja
Publication of JPS641866B2 publication Critical patent/JPS641866B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
    • G11B23/0014—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture record carriers not specifically of filamentary or web form
    • G11B23/0021—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture record carriers not specifically of filamentary or web form discs
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
    • G11B17/02—Details
    • G11B17/022—Positioning or locking of single discs
    • G11B17/028—Positioning or locking of single discs of discs rotating during transducing operation
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B33/00—Constructional parts, details or accessories not provided for in the other groups of this subclass
    • G11B33/10—Indicating arrangements; Warning arrangements

Landscapes

  • Rotational Drive Of Disk (AREA)
JP3040484A 1984-02-22 1984-02-22 レコ−ドの偏心検出方法 Granted JPS60175250A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3040484A JPS60175250A (ja) 1984-02-22 1984-02-22 レコ−ドの偏心検出方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3040484A JPS60175250A (ja) 1984-02-22 1984-02-22 レコ−ドの偏心検出方法

Publications (2)

Publication Number Publication Date
JPS60175250A true JPS60175250A (ja) 1985-09-09
JPS641866B2 JPS641866B2 (enrdf_load_stackoverflow) 1989-01-12

Family

ID=12302998

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3040484A Granted JPS60175250A (ja) 1984-02-22 1984-02-22 レコ−ドの偏心検出方法

Country Status (1)

Country Link
JP (1) JPS60175250A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02143168U (enrdf_load_stackoverflow) * 1989-05-08 1990-12-05

Also Published As

Publication number Publication date
JPS641866B2 (enrdf_load_stackoverflow) 1989-01-12

Similar Documents

Publication Publication Date Title
WO2021114419A1 (zh) 一种旋转磁电编码器的校准方法、装置及设备
US4742332A (en) Magnetic shaft angle encoder
JPH0264407A (ja) 磁気式絶対位置エンコーダ
JPS60175250A (ja) レコ−ドの偏心検出方法
US6222690B1 (en) Tape speed sensor, control circuit using tape speed sensor and method of controlling tape speed sensor using control circuit
CN100523723C (zh) 一种基于相关算法的角位移测量方法
JPS61149822A (ja) 位相誤差補正装置
CN112697190A (zh) 一种光栅莫尔信号锁相细分误差的动态标定方法
JP2008210451A (ja) ディスクリートトラックメディアの偏芯検出方法および偏芯検出装置
JP3018099B2 (ja) 回転体軸受の異常検出方法
JPH01184643A (ja) 光ディスク偏心測定装置
JPS593364Y2 (ja) 磁気デイスクジヤケツトの記録検査装置
JP2920415B2 (ja) ロータリーエンコーダの回転軸振れの評価方法
JPS60134786A (ja) モ−タ速度制御装置
JPS6135944Y2 (enrdf_load_stackoverflow)
JP2000337867A (ja) 平面度測定方法および測定装置
JPS62285065A (ja) テ−プレコ−ダのリ−ル台回転方向検出装置
JPS63221223A (ja) 軸捩れ振動計測用マ−クの形成装置
JPH05113324A (ja) デイスクの偏心計測装置
JPH0626851A (ja) 回転同期型非接触式回転軸変位測定装置及びその表示システム
JPH03120640A (ja) 偏心測定方法
JPS62189644A (ja) 光デイスク偏心測定装置
JPS6369037A (ja) 光デイスク基板
JPS59146484A (ja) サ−ボトラツク書込み装置
JPH04174313A (ja) 回転体角度検出機構