JPS57158006A - Magnetic recording and reproducing device - Google Patents

Magnetic recording and reproducing device

Info

Publication number
JPS57158006A
JPS57158006A JP4290481A JP4290481A JPS57158006A JP S57158006 A JPS57158006 A JP S57158006A JP 4290481 A JP4290481 A JP 4290481A JP 4290481 A JP4290481 A JP 4290481A JP S57158006 A JPS57158006 A JP S57158006A
Authority
JP
Japan
Prior art keywords
head
switch
gap
inputted
track
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
JP4290481A
Other languages
Japanese (ja)
Inventor
Satoshi Yamato
Shintaro Nagatsuka
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric 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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP4290481A priority Critical patent/JPS57158006A/en
Publication of JPS57158006A publication Critical patent/JPS57158006A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
    • G11B15/02—Control of operating function, e.g. switching from recording to reproducing
    • G11B15/12—Masking of heads; circuits for Selecting or switching of heads between operative and inoperative functions or between different operative functions or for selection between operative heads; Masking of beams, e.g. of light beams
    • 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
    • G11B5/00813—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires magnetic tapes
    • G11B5/00817—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires magnetic tapes on longitudinal tracks only, e.g. for serpentine format recording
    • 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
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/488—Disposition of heads
    • G11B5/4893—Disposition of heads relative to moving tape

Landscapes

  • Recording Or Reproducing By Magnetic Means (AREA)

Abstract

PURPOSE:To achieve high-density recording to an endless tape without causing signal absence and discontinuity, by using a head body which has two heads differing in gap azimuth and employing a specific method. CONSTITUTION:An input signal is inputted through a recording signal processor 18 to a signal delay circuit 17, whose delay output is inputted to a head A through a switch 16, and the output of the processor 18 is inputted to a head B through a switch 15. The delay circuit 17 has delay time td=d/V which corresponds to a gap interval (d) between two gaps of a head body 8. When the head A forms a track T1, the switch 16 is closed and the switch 15 is opened, and when a tape takes one round and the gap alpha of the head A coincides with a position 7, the switch 15 is closed. At this time, the gap B of the head B is at a position 9 and a track T2 starts at a position 9. The head A preforms recording continuously unitl the alpha reaches the position 9, i.e., for a time td when the alpha moves from the position 7 to 9, and the track T1 ends at the position 9, thereby starting operation with the switch 16 opened.
JP4290481A 1981-03-24 1981-03-24 Magnetic recording and reproducing device Pending JPS57158006A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4290481A JPS57158006A (en) 1981-03-24 1981-03-24 Magnetic recording and reproducing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4290481A JPS57158006A (en) 1981-03-24 1981-03-24 Magnetic recording and reproducing device

Publications (1)

Publication Number Publication Date
JPS57158006A true JPS57158006A (en) 1982-09-29

Family

ID=12649014

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4290481A Pending JPS57158006A (en) 1981-03-24 1981-03-24 Magnetic recording and reproducing device

Country Status (1)

Country Link
JP (1) JPS57158006A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0153410A1 (en) * 1983-06-18 1985-09-04 Sony Corporation Apparatus for recording and reproducing signal

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0153410A1 (en) * 1983-06-18 1985-09-04 Sony Corporation Apparatus for recording and reproducing signal

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