JPH0514986B2 - - Google Patents

Info

Publication number
JPH0514986B2
JPH0514986B2 JP24558884A JP24558884A JPH0514986B2 JP H0514986 B2 JPH0514986 B2 JP H0514986B2 JP 24558884 A JP24558884 A JP 24558884A JP 24558884 A JP24558884 A JP 24558884A JP H0514986 B2 JPH0514986 B2 JP H0514986B2
Authority
JP
Japan
Prior art keywords
magnetic tape
tape
read
current value
area
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 - Lifetime
Application number
JP24558884A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61123066A (ja
Inventor
Yoshio Myazawa
Tooru Maruyama
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.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP24558884A priority Critical patent/JPS61123066A/ja
Publication of JPS61123066A publication Critical patent/JPS61123066A/ja
Publication of JPH0514986B2 publication Critical patent/JPH0514986B2/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
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
    • G11B20/1816—Testing
    • G11B20/182—Testing using test patterns

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
JP24558884A 1984-11-20 1984-11-20 磁気テ−プ装置の試験方法 Granted JPS61123066A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP24558884A JPS61123066A (ja) 1984-11-20 1984-11-20 磁気テ−プ装置の試験方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP24558884A JPS61123066A (ja) 1984-11-20 1984-11-20 磁気テ−プ装置の試験方法

Publications (2)

Publication Number Publication Date
JPS61123066A JPS61123066A (ja) 1986-06-10
JPH0514986B2 true JPH0514986B2 (OSRAM) 1993-02-26

Family

ID=17135961

Family Applications (1)

Application Number Title Priority Date Filing Date
JP24558884A Granted JPS61123066A (ja) 1984-11-20 1984-11-20 磁気テ−プ装置の試験方法

Country Status (1)

Country Link
JP (1) JPS61123066A (OSRAM)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0320001U (OSRAM) * 1989-06-29 1991-02-27

Also Published As

Publication number Publication date
JPS61123066A (ja) 1986-06-10

Similar Documents

Publication Publication Date Title
JPS6192475A (ja) 磁気記憶装置システムにおけるタイミング非対称の測定方法
KR100455391B1 (ko) 버스트 패턴을 이용하여 자기헤드의 자기기록폭을측정하는 방법 및 그 장치
EP0379222B1 (en) Data recording/reproducing apparatus
JPH0514986B2 (OSRAM)
US4491881A (en) Calibrated drop-out disk
JPH0243242B2 (OSRAM)
JPS6326453B2 (OSRAM)
KR100459718B1 (ko) 하드 디스크 드라이브에 있어서 헤드의 자기 기록폭을 측정하는 프로그램이 기록된 기록 매체
JPS61123067A (ja) 磁気テ−プ装置の試験方法
JP2762489B2 (ja) 磁気ディスクの試験方法
JP2954104B2 (ja) バルクハウゼンノイズ検出方法
JPH02187971A (ja) トラック追従制御装置
JP2826485B2 (ja) 磁気ディスク装置の読出し電圧測定方法
JPS60140576A (ja) 調整用磁気記録媒体
JPS61182681A (ja) フレキシブルデイスク装置の保守方法
JP2001014619A (ja) 磁気ディスク装置及び磁気ディスク装置の磁気ヘッド検査方法
JPS58220280A (ja) 磁気ヘツドトラツキング測定方法
JPH0249669B2 (OSRAM)
JPH01100483A (ja) 磁気ディスクの試験方法
JPS6234382A (ja) 磁気記録再生方式
JPS60243877A (ja) サ−ボ円板検査方法
JPS63231772A (ja) 磁気デイスク媒体用エラ−波形観察装置
JPH0362378A (ja) ディスク試験システム
JPH03142758A (ja) サンプルサーボ方式光ディスクのキャリア／ノイズ比測定方法
JPS60187970A (ja) 読出し誤り位置情報報告方式