JPS5275425A - Magnetic recording and reproduction apparatus - Google Patents

Magnetic recording and reproduction apparatus

Info

Publication number
JPS5275425A
JPS5275425A JP15258375A JP15258375A JPS5275425A JP S5275425 A JPS5275425 A JP S5275425A JP 15258375 A JP15258375 A JP 15258375A JP 15258375 A JP15258375 A JP 15258375A JP S5275425 A JPS5275425 A JP S5275425A
Authority
JP
Japan
Prior art keywords
magnetic recording
reproduction apparatus
head
heads
magnetic
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.)
Granted
Application number
JP15258375A
Other languages
Japanese (ja)
Other versions
JPS5734584B2 (en
Inventor
Minoru Koda
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP15258375A priority Critical patent/JPS5275425A/en
Publication of JPS5275425A publication Critical patent/JPS5275425A/en
Publication of JPS5734584B2 publication Critical patent/JPS5734584B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/008—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires

Landscapes

  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
  • Magnetic Record Carriers (AREA)

Abstract

PURPOSE:To detect abnormal condition of heads, magnetic tapes, etc. by reproducing the magnetic track formed in one head with other head and detecting the levels of reproduction signals, where two rotary heads are provided.
JP15258375A 1975-12-19 1975-12-19 Magnetic recording and reproduction apparatus Granted JPS5275425A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15258375A JPS5275425A (en) 1975-12-19 1975-12-19 Magnetic recording and reproduction apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15258375A JPS5275425A (en) 1975-12-19 1975-12-19 Magnetic recording and reproduction apparatus

Publications (2)

Publication Number Publication Date
JPS5275425A true JPS5275425A (en) 1977-06-24
JPS5734584B2 JPS5734584B2 (en) 1982-07-23

Family

ID=15543626

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15258375A Granted JPS5275425A (en) 1975-12-19 1975-12-19 Magnetic recording and reproduction apparatus

Country Status (1)

Country Link
JP (1) JPS5275425A (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB935132A (en) * 1960-11-10 1963-08-28 Loewe Opta Ag Device for monitoring a magnetic recording process
JPS5050021A (en) * 1973-09-01 1975-05-06

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB935132A (en) * 1960-11-10 1963-08-28 Loewe Opta Ag Device for monitoring a magnetic recording process
JPS5050021A (en) * 1973-09-01 1975-05-06

Also Published As

Publication number Publication date
JPS5734584B2 (en) 1982-07-23

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