JPH1153701A - 記録装置の測定装置 - Google Patents

記録装置の測定装置

Info

Publication number
JPH1153701A
JPH1153701A JP9210598A JP21059897A JPH1153701A JP H1153701 A JPH1153701 A JP H1153701A JP 9210598 A JP9210598 A JP 9210598A JP 21059897 A JP21059897 A JP 21059897A JP H1153701 A JPH1153701 A JP H1153701A
Authority
JP
Japan
Prior art keywords
signal
read
write
measuring
sector
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
JP9210598A
Other languages
English (en)
Japanese (ja)
Other versions
JPH1153701A5 (enExample
Inventor
Yoshiyuki Yanagimoto
吉之 柳本
Hiroaki Ukawa
浩明 烏川
Mutsumi Hattori
睦 服部
Nobuhiro Shidara
延弘 設楽
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.)
Hewlett Packard Japan Inc
Original Assignee
Hewlett Packard Japan Inc
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 Hewlett Packard Japan Inc filed Critical Hewlett Packard Japan Inc
Priority to JP9210598A priority Critical patent/JPH1153701A/ja
Priority to US09/124,535 priority patent/US6195215B1/en
Publication of JPH1153701A publication Critical patent/JPH1153701A/ja
Publication of JPH1153701A5 publication Critical patent/JPH1153701A5/ja
Pending 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
    • G11B20/10009—Improvement or modification of read or write signals
    • G11B20/10046—Improvement or modification of read or write signals filtering or equalising, e.g. setting the tap weights of an FIR filter
    • G11B20/10203—Improvement or modification of read or write signals filtering or equalising, e.g. setting the tap weights of an FIR filter baseline correction
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/34—Indicating arrangements 
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/36—Monitoring, i.e. supervising the progress of recording or reproducing
    • 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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/012—Recording on, or reproducing or erasing from, magnetic disks
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
  • Digital Magnetic Recording (AREA)
JP9210598A 1997-08-05 1997-08-05 記録装置の測定装置 Pending JPH1153701A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP9210598A JPH1153701A (ja) 1997-08-05 1997-08-05 記録装置の測定装置
US09/124,535 US6195215B1 (en) 1997-08-05 1998-07-29 Measurement apparatus for use in recording unit provided with control means for controlling write and read parameters

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9210598A JPH1153701A (ja) 1997-08-05 1997-08-05 記録装置の測定装置

Publications (2)

Publication Number Publication Date
JPH1153701A true JPH1153701A (ja) 1999-02-26
JPH1153701A5 JPH1153701A5 (enExample) 2005-02-24

Family

ID=16591985

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9210598A Pending JPH1153701A (ja) 1997-08-05 1997-08-05 記録装置の測定装置

Country Status (2)

Country Link
US (1) US6195215B1 (enExample)
JP (1) JPH1153701A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012195040A (ja) * 2011-03-17 2012-10-11 Teac Corp 光ディスク装置

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6307699B1 (en) * 1998-11-04 2001-10-23 Stmicroelectronics, Inc. Bimodal biasing of magneto resistive heads
US7002890B2 (en) * 2000-03-29 2006-02-21 Lsi Logic Corporation High density analog recording using write symbols having distinguishable readout waveforms
JP2002183901A (ja) 2000-12-15 2002-06-28 Agilent Technologies Japan Ltd 記録装置の測定装置及び測定方法
JP2002367311A (ja) 2001-06-05 2002-12-20 Agilent Technologies Japan Ltd ヘッド制御方法
US7154699B2 (en) 2001-07-02 2006-12-26 Seagate Technology Llc High bandwidth large stroke spin-stand
US6777929B2 (en) * 2002-08-27 2004-08-17 International Business Machines Corporation Cross talk bit error rate testing of a magnetic head
JP2011061684A (ja) * 2009-09-14 2011-03-24 Fujifilm Corp 固体撮像素子及びその駆動方法並びに撮像装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3704363A (en) * 1971-06-09 1972-11-28 Ibm Statistical and environmental data logging system for data processing storage subsystem
JPH056517A (ja) 1991-06-03 1993-01-14 Hitachi Electron Eng Co Ltd 薄膜ヘツドのノイズ検査方法
US5134366A (en) 1991-06-21 1992-07-28 Digital Equipment Corporation Magnetic head testing apparatus for detecting occurrences of popcorn noise amid externally generated noise
US5254946A (en) 1992-02-25 1993-10-19 Guzik Technical Enterprises, Inc. Magnetic head and disk tester with head centrally mounted on radially-moving, rotatable platform that surrounds disk
JP2783087B2 (ja) 1992-09-02 1998-08-06 ティーディーケイ株式会社 磁気抵抗ヘッドの検査方法及び装置
US5822139A (en) * 1996-05-10 1998-10-13 Hitachi Electronics Engineering Co., Ltd. Method of detecting thermal asperity error of MR head and magnetic disk certifier using the same method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012195040A (ja) * 2011-03-17 2012-10-11 Teac Corp 光ディスク装置

Also Published As

Publication number Publication date
US6195215B1 (en) 2001-02-27

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