JPH0321995B2 - - Google Patents

Info

Publication number
JPH0321995B2
JPH0321995B2 JP19724881A JP19724881A JPH0321995B2 JP H0321995 B2 JPH0321995 B2 JP H0321995B2 JP 19724881 A JP19724881 A JP 19724881A JP 19724881 A JP19724881 A JP 19724881A JP H0321995 B2 JPH0321995 B2 JP H0321995B2
Authority
JP
Japan
Prior art keywords
output
magnetic disk
voltage
servo
head
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.)
Expired
Application number
JP19724881A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5898883A (ja
Inventor
Shinji Sengoku
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric 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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP19724881A priority Critical patent/JPS5898883A/ja
Publication of JPS5898883A publication Critical patent/JPS5898883A/ja
Publication of JPH0321995B2 publication Critical patent/JPH0321995B2/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
    • G11B33/00—Constructional parts, details or accessories not provided for in the other groups of this subclass
    • G11B33/10—Indicating arrangements; Warning arrangements

Landscapes

  • Moving Of The Head To Find And Align With The Track (AREA)
JP19724881A 1981-12-08 1981-12-08 記憶装置 Granted JPS5898883A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19724881A JPS5898883A (ja) 1981-12-08 1981-12-08 記憶装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19724881A JPS5898883A (ja) 1981-12-08 1981-12-08 記憶装置

Publications (2)

Publication Number Publication Date
JPS5898883A JPS5898883A (ja) 1983-06-11
JPH0321995B2 true JPH0321995B2 (enrdf_load_stackoverflow) 1991-03-25

Family

ID=16371304

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19724881A Granted JPS5898883A (ja) 1981-12-08 1981-12-08 記憶装置

Country Status (1)

Country Link
JP (1) JPS5898883A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6185675A (ja) * 1984-10-02 1986-05-01 Fuji Photo Film Co Ltd 回転磁気記録再生装置
US4819093A (en) * 1984-10-02 1989-04-04 Fuji Photo Film Co., Ltd. Rotary magnetic recording-reproducing apparatus with disc track checking

Also Published As

Publication number Publication date
JPS5898883A (ja) 1983-06-11

Similar Documents

Publication Publication Date Title
US4929894A (en) Method and apparatus for increasing throughput on disk drive quality control testing
JPS62185178A (ja) デイスク検査方法
US6476997B2 (en) Disk device, track positioning method and method for generating a position error signal
JPH0321995B2 (enrdf_load_stackoverflow)
JPH0355796B2 (enrdf_load_stackoverflow)
JPH0321994B2 (enrdf_load_stackoverflow)
JP2611731B2 (ja) トラック幅検査装置
JP2611730B2 (ja) トラック幅検査装置
JPS59107461A (ja) 記憶装置
JPS60121575A (ja) 光学的情報記録再生装置
JPS61283877A (ja) 磁気デイスクの検査方法
JPS59107462A (ja) 記憶装置
JPH05342638A (ja) 光ディスクの検査装置及びその検査方法
JPH01159835A (ja) 光学的情報記録再生装置
JP2976577B2 (ja) 磁気ディスク検査装置
JP2802816B2 (ja) サーボディスクの媒体検査方式
JPS59107463A (ja) 記憶装置
JPS63161538A (ja) 情報記録再生装置のトラツキング制御装置
JP2003141837A (ja) プリサーボ信号の検査方法
JPH0778898B2 (ja) 光学的情報記録再生装置
JPS62173654A (ja) 光学式記録担体
JPS6226645A (ja) 光デイスク記憶装置
JPH01235004A (ja) 磁気媒体の欠陥検出方式
JPH11110754A (ja) 記録媒体欠陥検出システム
JPH02130769A (ja) ポジションエラー検出方法