GB1150309A - Improvements in or relating to Magnetic Store Read-Out Arrangements. - Google Patents

Improvements in or relating to Magnetic Store Read-Out Arrangements.

Info

Publication number
GB1150309A
GB1150309A GB5523866A GB5523866A GB1150309A GB 1150309 A GB1150309 A GB 1150309A GB 5523866 A GB5523866 A GB 5523866A GB 5523866 A GB5523866 A GB 5523866A GB 1150309 A GB1150309 A GB 1150309A
Authority
GB
United Kingdom
Prior art keywords
pulse
trigger
store
gate
time
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
Application number
GB5523866A
Other languages
English (en)
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.)
Siemens AG
Siemens Corp
Original Assignee
Siemens AG
Siemens 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 Siemens AG, Siemens Corp filed Critical Siemens AG
Publication of GB1150309A publication Critical patent/GB1150309A/en
Expired 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
    • G11B20/14—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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Digital Magnetic Recording (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
GB5523866A 1965-12-10 1966-12-09 Improvements in or relating to Magnetic Store Read-Out Arrangements. Expired GB1150309A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DES0100896 1965-12-10

Publications (1)

Publication Number Publication Date
GB1150309A true GB1150309A (en) 1969-04-30

Family

ID=7523355

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5523866A Expired GB1150309A (en) 1965-12-10 1966-12-09 Improvements in or relating to Magnetic Store Read-Out Arrangements.

Country Status (3)

Country Link
FR (1) FR1505685A (enrdf_load_html_response)
GB (1) GB1150309A (enrdf_load_html_response)
NL (1) NL145077B (enrdf_load_html_response)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5285328A (en) * 1990-03-01 1994-02-08 Siemens Nixdorf Informationssysteme Ag Process for evaluating binary data of a magnetic storage card using curve patterns
CN104054127A (zh) * 2012-03-30 2014-09-17 日本电产三协株式会社 信息再生装置以及信息再生方法

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5285328A (en) * 1990-03-01 1994-02-08 Siemens Nixdorf Informationssysteme Ag Process for evaluating binary data of a magnetic storage card using curve patterns
EP0483296B1 (de) * 1990-03-01 1998-05-27 Siemens Nixdorf Informationssysteme Aktiengesellschaft Verfahren zum auswerten binärer informationen einer magnetspeicherkarte
CN104054127A (zh) * 2012-03-30 2014-09-17 日本电产三协株式会社 信息再生装置以及信息再生方法
EP2833357A4 (en) * 2012-03-30 2015-11-11 Nidec Sankyo Corp INFORMATION REPRODUCTION AND INFORMATION RENEWAL PROCEDURE
CN104054127B (zh) * 2012-03-30 2017-03-01 日本电产三协株式会社 信息再生装置以及信息再生方法

Also Published As

Publication number Publication date
DE1474508A1 (de) 1970-03-12
NL145077B (nl) 1975-02-17
NL6617359A (enrdf_load_html_response) 1967-06-12
DE1474508B2 (de) 1975-04-30
FR1505685A (fr) 1967-12-15

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees