DE19882647T1 - Method and device for determining the bit error rate in a scanned data system - Google Patents

Method and device for determining the bit error rate in a scanned data system

Info

Publication number
DE19882647T1
DE19882647T1 DE19882647T DE19882647T DE19882647T1 DE 19882647 T1 DE19882647 T1 DE 19882647T1 DE 19882647 T DE19882647 T DE 19882647T DE 19882647 T DE19882647 T DE 19882647T DE 19882647 T1 DE19882647 T1 DE 19882647T1
Authority
DE
Germany
Prior art keywords
determining
error rate
bit error
data system
scanned data
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.)
Withdrawn
Application number
DE19882647T
Other languages
German (de)
Inventor
Robert E Kost
Jian-Gang Zhu
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.)
Seagate Technology LLC
Original Assignee
Seagate Technology LLC
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 Seagate Technology LLC filed Critical Seagate Technology LLC
Publication of DE19882647T1 publication Critical patent/DE19882647T1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/02—Control of operating function, e.g. switching from recording to reproducing
    • 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
    • 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
    • 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
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
    • G11B5/09—Digital recording
    • 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
    • G11B2020/10935—Digital recording or reproducing wherein a time constraint must be met
    • G11B2020/10981—Recording or reproducing data when the data rate or the relative speed between record carrier and transducer is variable
DE19882647T 1997-08-28 1998-08-27 Method and device for determining the bit error rate in a scanned data system Withdrawn DE19882647T1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US5800997P 1997-08-28 1997-08-28
PCT/US1998/017768 WO1999010990A1 (en) 1997-08-28 1998-08-27 Method and apparatus for determining bit error rate in a sampled data system

Publications (1)

Publication Number Publication Date
DE19882647T1 true DE19882647T1 (en) 2000-08-03

Family

ID=22014099

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19882647T Withdrawn DE19882647T1 (en) 1997-08-28 1998-08-27 Method and device for determining the bit error rate in a scanned data system

Country Status (6)

Country Link
JP (1) JP2002519801A (en)
KR (1) KR100424131B1 (en)
CN (1) CN1132331C (en)
DE (1) DE19882647T1 (en)
GB (1) GB2343289B (en)
WO (1) WO1999010990A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100442864B1 (en) 2001-09-04 2004-08-02 삼성전자주식회사 Method and apparatus for performing a recovery routine by instability head detection in a data storage system

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5121263A (en) * 1989-10-31 1992-06-09 International Business Machines Corporation Method and apparatus for determining the error rate of magnetic recording disk drives having a amplitude sampling data detection
DE69321066T2 (en) * 1992-10-14 1999-03-18 Sony Corp Magnetic disk device
JPH0877726A (en) * 1994-09-06 1996-03-22 Hitachi Ltd Digital signal processing device, error detecting method and recording medium reproducing device
US5600500A (en) * 1994-11-14 1997-02-04 Seagate Technology, Inc. Performance based write current optimization process
US5771127A (en) * 1996-07-29 1998-06-23 Cirrus Logic, Inc. Sampled amplitude read channel employing interpolated timing recovery and a remod/demod sequence detector

Also Published As

Publication number Publication date
JP2002519801A (en) 2002-07-02
KR100424131B1 (en) 2004-03-24
KR20010023422A (en) 2001-03-26
GB0004048D0 (en) 2000-04-12
GB2343289A (en) 2000-05-03
CN1269073A (en) 2000-10-04
GB2343289B (en) 2001-09-12
CN1132331C (en) 2003-12-24
WO1999010990A1 (en) 1999-03-04

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Legal Events

Date Code Title Description
8127 New person/name/address of the applicant

Owner name: SEAGATE TECHNOLOGY LLC, SCOTTS VALLEY, CALIF., US

8110 Request for examination paragraph 44
8125 Change of the main classification

Ipc: G11B 20/18

8607 Notification of search results after publication
8139 Disposal/non-payment of the annual fee