JPS5221816A - Information read-out system - Google Patents

Information read-out system

Info

Publication number
JPS5221816A
JPS5221816A JP9764775A JP9764775A JPS5221816A JP S5221816 A JPS5221816 A JP S5221816A JP 9764775 A JP9764775 A JP 9764775A JP 9764775 A JP9764775 A JP 9764775A JP S5221816 A JPS5221816 A JP S5221816A
Authority
JP
Japan
Prior art keywords
information read
out system
signal
reading
unreliability
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
JP9764775A
Other languages
Japanese (ja)
Inventor
Masaru Sakamoto
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP9764775A priority Critical patent/JPS5221816A/en
Publication of JPS5221816A publication Critical patent/JPS5221816A/en
Pending legal-status Critical Current

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  • Digital Magnetic Recording (AREA)

Abstract

PURPOSE: To decrease the unreliability of information due to noise during the reading out of signal recorded on recording medium by switching the signal amplitude judgment level in accordance respectively whether the signal exists or not and then reading it out.
COPYRIGHT: (C)1977,JPO&Japio
JP9764775A 1975-08-13 1975-08-13 Information read-out system Pending JPS5221816A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9764775A JPS5221816A (en) 1975-08-13 1975-08-13 Information read-out system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9764775A JPS5221816A (en) 1975-08-13 1975-08-13 Information read-out system

Publications (1)

Publication Number Publication Date
JPS5221816A true JPS5221816A (en) 1977-02-18

Family

ID=14197887

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9764775A Pending JPS5221816A (en) 1975-08-13 1975-08-13 Information read-out system

Country Status (1)

Country Link
JP (1) JPS5221816A (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS492514A (en) * 1972-04-19 1974-01-10
JPS4951807A (en) * 1972-06-09 1974-05-20

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS492514A (en) * 1972-04-19 1974-01-10
JPS4951807A (en) * 1972-06-09 1974-05-20

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