JPS54148511A - Data reproducing system - Google Patents

Data reproducing system

Info

Publication number
JPS54148511A
JPS54148511A JP5651678A JP5651678A JPS54148511A JP S54148511 A JPS54148511 A JP S54148511A JP 5651678 A JP5651678 A JP 5651678A JP 5651678 A JP5651678 A JP 5651678A JP S54148511 A JPS54148511 A JP S54148511A
Authority
JP
Japan
Prior art keywords
track
reading
change
signal
read
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
JP5651678A
Other languages
Japanese (ja)
Inventor
Yutaka Hamano
Yoshihiro Nagano
Hideo Tsuboi
Hiroyuki Yamamoto
Kazumasa Moriya
Tadaichiro Nagai
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP5651678A priority Critical patent/JPS54148511A/en
Publication of JPS54148511A publication Critical patent/JPS54148511A/en
Pending legal-status Critical Current

Links

Landscapes

  • Signal Processing For Digital Recording And Reproducing (AREA)

Abstract

PURPOSE: To perform reading strong to jitter and skew by independently reading out the logics 0, 1 of the digital data having been recorded in two sets of tracks and combining the read-out signals from the respective tracks according to the presence or not of the change in polarity data.
CONSTITUTION: The logics 0, 1 of the digital signal D have respectively separately been recorded in the zero track 11 and 1 track 12 of a magnetic tape 10. These records are separately reproduced by a magnetic head, whereby the reading strong to jitter is accomplished. The presence or not of the change in the polarities of the reproduction signal in the search signal periods T1, T2 ... of about one and half times the inter bit spacing is detected at this reading. If the outputs are so combined that, when there is no change in the polarity at each bit, the read-out signal of the track 12 is outputted for the track 11 and when there is a change in the polarity at each bit, the read-out signal of the track 11 is outputted for the track 12, whereby reading strong even to jitters may be accomplished.
COPYRIGHT: (C)1979,JPO&Japio
JP5651678A 1978-05-15 1978-05-15 Data reproducing system Pending JPS54148511A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5651678A JPS54148511A (en) 1978-05-15 1978-05-15 Data reproducing system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5651678A JPS54148511A (en) 1978-05-15 1978-05-15 Data reproducing system

Publications (1)

Publication Number Publication Date
JPS54148511A true JPS54148511A (en) 1979-11-20

Family

ID=13029277

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5651678A Pending JPS54148511A (en) 1978-05-15 1978-05-15 Data reproducing system

Country Status (1)

Country Link
JP (1) JPS54148511A (en)

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