DE69128744D1 - Gerät zur Detektion von digitalen Datensignalen in einem analog Signal - Google Patents

Gerät zur Detektion von digitalen Datensignalen in einem analog Signal

Info

Publication number
DE69128744D1
DE69128744D1 DE69128744T DE69128744T DE69128744D1 DE 69128744 D1 DE69128744 D1 DE 69128744D1 DE 69128744 T DE69128744 T DE 69128744T DE 69128744 T DE69128744 T DE 69128744T DE 69128744 D1 DE69128744 D1 DE 69128744D1
Authority
DE
Germany
Prior art keywords
detection
digital data
analog signal
data signals
signals
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
DE69128744T
Other languages
English (en)
Inventor
Silvio Cardero
Brian Gerard Goodman
Julian Lewkowicz
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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 International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of DE69128744D1 publication Critical patent/DE69128744D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Manipulation Of Pulses (AREA)
DE69128744T 1990-06-11 1991-06-10 Gerät zur Detektion von digitalen Datensignalen in einem analog Signal Expired - Lifetime DE69128744D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/535,697 US5101395A (en) 1990-06-11 1990-06-11 Data detection employing high-speed baseline tracking compensation

Publications (1)

Publication Number Publication Date
DE69128744D1 true DE69128744D1 (de) 1998-02-26

Family

ID=24135386

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69128744T Expired - Lifetime DE69128744D1 (de) 1990-06-11 1991-06-10 Gerät zur Detektion von digitalen Datensignalen in einem analog Signal

Country Status (4)

Country Link
US (1) US5101395A (de)
EP (1) EP0466329B1 (de)
JP (1) JP2826202B2 (de)
DE (1) DE69128744D1 (de)

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US5537379A (en) * 1991-05-10 1996-07-16 Discovision Associates Optical data storage and retrieval system and method
EP0817180B1 (de) * 1991-05-10 2001-03-14 Discovision Associates System und Verfahren zur optischen Speicherung und Wiedergewinnung von Daten
JPH05101312A (ja) * 1991-10-11 1993-04-23 Sony Corp データ再生装置
JP2810270B2 (ja) * 1992-03-13 1998-10-15 株式会社日立製作所 信号再生方法
US5497361A (en) * 1992-03-13 1996-03-05 Hitachi, Ltd. Information reproducing apparatus with a DC level correcting capability
FR2696300B1 (fr) * 1992-09-25 1994-11-18 Thomson Csf Circuit de codage analogique-numérique à compensation automatique du décalage du zéro.
US5357150A (en) * 1992-11-06 1994-10-18 International Business Machines Corporation Defect tolerant envelope follower
US5424881A (en) 1993-02-01 1995-06-13 Cirrus Logic, Inc. Synchronous read channel
US5530601A (en) * 1993-09-30 1996-06-25 International Business Machines Corporation Tracking threshold circuit for peak detection
US5790495A (en) * 1994-05-06 1998-08-04 Discovision Associates Data generator assembly for retrieving stored data by comparing threshold signal with preprocessed signal having DC component
AU739294B2 (en) * 1994-05-06 2001-10-11 Discovision Associates An apparatus for retrieving data stored on a medium
US5894468A (en) * 1994-05-06 1999-04-13 Discovision Associates Data recovery with differentiation and partial integration stages to eliminate noises and DC offset level
JP2638520B2 (ja) * 1994-11-22 1997-08-06 日本電気株式会社 光情報記録媒体再生装置
US6151177A (en) * 1994-12-09 2000-11-21 Seagate Technology, Inc. Apparatus for compensating for non-linear characteristics of magnetoresistive heads
JP3046515B2 (ja) * 1994-12-16 2000-05-29 シャープ株式会社 光情報記録再生装置の再生回路
US5612845A (en) * 1994-12-27 1997-03-18 International Business Machines Corporation Method and apparatus for in-situ detection of data storage system spindle motor performance degradation
US5943177A (en) 1995-05-26 1999-08-24 Maxtor Corporation MR head read signal preconditioning circuitry for reducing pulse -to-pulse baseline distortion
US5787005A (en) * 1995-10-02 1998-07-28 Aiwa Co., Ltd. Method and apparatus for signal threshold adjustment that compensates for signal asymmetry
US5757751A (en) * 1996-01-16 1998-05-26 International Business Machines Corporation Baseline correction circuit for pulse width modulated data readback systems
US5877644A (en) * 1997-01-08 1999-03-02 International Business Machines Corporation Programmable digital envelope following threshold generation apparatus and method
US6735260B1 (en) * 2000-04-17 2004-05-11 Texas Instruments Incorporated Adaptive data slicer
EP1527518A2 (de) * 2002-07-31 2005-05-04 Koninklijke Philips Electronics N.V. Einstellen des slice-werts in einem binärsignal
US20070055471A1 (en) * 2003-05-09 2007-03-08 Koninklijke Philips Electronics N.V. Copy window setpoint control for domain expansion reading
TW200509108A (en) * 2003-08-06 2005-03-01 Via Tech Inc Method for obtaining the best focusing point of optical pickup and server system of its CD-ROM drive
US20130088363A1 (en) * 2011-10-06 2013-04-11 Alexander Gonzalez Telemetry Method and System for Well Logging
US8493247B2 (en) * 2011-12-20 2013-07-23 General Electric Company Methods and systems for decoding data
US9812588B2 (en) 2012-03-20 2017-11-07 Allegro Microsystems, Llc Magnetic field sensor integrated circuit with integral ferromagnetic material
US10234513B2 (en) 2012-03-20 2019-03-19 Allegro Microsystems, Llc Magnetic field sensor integrated circuit with integral ferromagnetic material
US20140032117A1 (en) * 2012-07-26 2014-01-30 Baker Hughes Incorporated SP Curve Drift Correction
JP6883248B2 (ja) * 2018-03-26 2021-06-09 株式会社Ｊｖｃケンウッド 微粒子計測機、分析装置、及び、分析方法

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US3719934A (en) * 1967-09-18 1973-03-06 Burroughs Corp System for processing signals having peaks indicating binary data
US3838448A (en) * 1973-02-07 1974-09-24 Control Data Corp Compensated baseline circuit
US4087840A (en) * 1976-06-16 1978-05-02 Carnegie-Mellon University Method and apparatus for magnetically recording and reproducing physiological information
CA1165825A (en) * 1979-10-26 1984-04-17 Masato Tanaka Data extracting circuit
US4445111A (en) * 1980-09-15 1984-04-24 John Fluke Mfg. Co., Inc. Bi-polar electronic signal converters with single polarity accurate reference source
JPS5757025A (en) * 1980-09-24 1982-04-06 Sony Corp Waveform converting circuit
US4323885A (en) * 1980-09-29 1982-04-06 Bell Telephone Laboratories, Incorporated Noise and crosstalk reduction in mid-riser biased encoders
US4475183A (en) * 1981-10-26 1984-10-02 Eastman Kodak Company Optical disk retrieval methods, media and systems employing digital data of high fractional bandwidth
DE3203559C2 (de) * 1982-02-03 1984-04-19 Siemens AG, 1000 Berlin und 8000 München Verfahren und Schaltungsanordnung zum Umsetzen von analogen Abtastsignalen in binäre Rechtecksignale
US4646281A (en) * 1984-02-08 1987-02-24 Laser Magnetic Storage International Company Read channel for an optical recorder
FR2565746A1 (fr) * 1984-06-06 1985-12-13 Sud Sa Systemes Procede et dispositif de traitement d'un signal electrique analogique et application a la lecture de codes a barres
US4644410A (en) * 1985-03-11 1987-02-17 R. A. McDonald Dynamic threshold binary generator
JPS6232633U (de) * 1985-08-13 1987-02-26
JPS62254514A (ja) * 1986-04-28 1987-11-06 Hitachi Ltd スライスレベル自動設定回路

Also Published As

Publication number Publication date
EP0466329A2 (de) 1992-01-15
JP2826202B2 (ja) 1998-11-18
EP0466329A3 (en) 1993-03-03
EP0466329B1 (de) 1998-01-21
JPH0590918A (ja) 1993-04-09
US5101395A (en) 1992-03-31

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Legal Events

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