ATE107071T1 - Wiedergabe und dekodierung aufgezeichneter daten mit variabler geschwindigkeit unter verwendung eines magneto-resistiven sensors. - Google Patents

Wiedergabe und dekodierung aufgezeichneter daten mit variabler geschwindigkeit unter verwendung eines magneto-resistiven sensors.

Info

Publication number
ATE107071T1
ATE107071T1 AT89301439T AT89301439T ATE107071T1 AT E107071 T1 ATE107071 T1 AT E107071T1 AT 89301439 T AT89301439 T AT 89301439T AT 89301439 T AT89301439 T AT 89301439T AT E107071 T1 ATE107071 T1 AT E107071T1
Authority
AT
Austria
Prior art keywords
widths
pulse
data
pulses
medium
Prior art date
Application number
AT89301439T
Other languages
English (en)
Inventor
Alan John Collins
Selvaratnam
Original Assignee
Mr Sensors 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 Mr Sensors Ltd filed Critical Mr Sensors Ltd
Application granted granted Critical
Publication of ATE107071T1 publication Critical patent/ATE107071T1/de

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
    • G11B20/14—Digital recording or reproducing using self-clocking codes
    • G11B20/1403—Digital recording or reproducing using self-clocking codes characterised by the use of two levels
    • 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
    • G11B20/14—Digital recording or reproducing using self-clocking codes
    • G11B20/1403—Digital recording or reproducing using self-clocking codes characterised by the use of two levels
    • G11B20/1407—Digital recording or reproducing using self-clocking codes characterised by the use of two levels code representation depending on a single bit, i.e. where a one is always represented by a first code symbol while a zero is always represented by a second code symbol
    • G11B20/1419—Digital recording or reproducing using self-clocking codes characterised by the use of two levels code representation depending on a single bit, i.e. where a one is always represented by a first code symbol while a zero is always represented by a second code symbol to or from biphase level coding, i.e. to or from codes where a one is coded as a transition from a high to a low level during the middle of a bit cell and a zero is encoded as a transition from a low to a high level during the middle of a bit cell or vice versa, e.g. split phase code, Manchester code conversion to or from biphase space or mark coding, i.e. to or from codes where there is a transition at the beginning of every bit cell and a one has no second transition and a zero has a second transition one half of a bit period later or vice versa, e.g. double frequency code, FM code

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
AT89301439T 1988-02-16 1989-02-15 Wiedergabe und dekodierung aufgezeichneter daten mit variabler geschwindigkeit unter verwendung eines magneto-resistiven sensors. ATE107071T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB888803504A GB8803504D0 (en) 1988-02-16 1988-02-16 Method of decoding recorded data

Publications (1)

Publication Number Publication Date
ATE107071T1 true ATE107071T1 (de) 1994-06-15

Family

ID=10631766

Family Applications (1)

Application Number Title Priority Date Filing Date
AT89301439T ATE107071T1 (de) 1988-02-16 1989-02-15 Wiedergabe und dekodierung aufgezeichneter daten mit variabler geschwindigkeit unter verwendung eines magneto-resistiven sensors.

Country Status (4)

Country Link
EP (1) EP0329412B1 (de)
AT (1) ATE107071T1 (de)
DE (1) DE68915807D1 (de)
GB (2) GB8803504D0 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114509709B (zh) * 2021-11-26 2025-09-30 成都芯进电子股份有限公司 一种二维amr传感器开关芯片信号检测架构及检测方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3838251A (en) * 1971-06-29 1974-09-24 Monarch Marking Systems Inc Method of interpreting a coded record
CA955685A (en) * 1971-07-01 1974-10-01 Roland O. Barnes Rate adaptive nonsynchronous demodulator apparatus for two level binary signals
DE2208309C3 (de) * 1972-02-22 1975-09-18 Nixdorf Computer Ag, 4790 Paderborn Verfahren zur Auswertung von Informationen in Form gruppenweise zusammengefaßter Informationselemente aus einfarbig gedruckten Strichen, Anordnung zur Darstellung von Informationen zur Auswertung nach dem Verfahren und Schaltungsanordnung zur Durchführung des Verfahrens
US3859631A (en) * 1973-07-16 1975-01-07 Comsci Data Inc Method and apparatus for decoding binary digital signals
JPS5085320A (de) * 1973-11-27 1975-07-09
GB1528381A (en) * 1974-11-08 1978-10-11 Ibm Processing bar coded data
FR2428875A1 (fr) * 1978-06-16 1980-01-11 Cii Honeywell Bull Procede et appareil de lecture d'informations codees magnetiquement

Also Published As

Publication number Publication date
EP0329412B1 (de) 1994-06-08
GB2216316A (en) 1989-10-04
EP0329412A3 (en) 1990-05-16
GB8903418D0 (en) 1989-04-05
GB8803504D0 (en) 1988-03-16
EP0329412A2 (de) 1989-08-23
DE68915807D1 (de) 1994-07-14
GB2216316B (en) 1992-05-13

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Legal Events

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