JPS6131523B2 - - Google Patents

Info

Publication number
JPS6131523B2
JPS6131523B2 JP1934579A JP1934579A JPS6131523B2 JP S6131523 B2 JPS6131523 B2 JP S6131523B2 JP 1934579 A JP1934579 A JP 1934579A JP 1934579 A JP1934579 A JP 1934579A JP S6131523 B2 JPS6131523 B2 JP S6131523B2
Authority
JP
Japan
Prior art keywords
recording
signal
circuit
head
reproducing
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
JP1934579A
Other languages
English (en)
Japanese (ja)
Other versions
JPS55113114A (en
Inventor
Hiroshi Totsutori
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric 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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP1934579A priority Critical patent/JPS55113114A/ja
Publication of JPS55113114A publication Critical patent/JPS55113114A/ja
Publication of JPS6131523B2 publication Critical patent/JPS6131523B2/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
    • G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
    • 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
    • G11B15/125—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 conditioned by the operating function of the apparatus

Landscapes

  • Digital Magnetic Recording (AREA)
JP1934579A 1979-02-21 1979-02-21 Magnetic memory unit Granted JPS55113114A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1934579A JPS55113114A (en) 1979-02-21 1979-02-21 Magnetic memory unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1934579A JPS55113114A (en) 1979-02-21 1979-02-21 Magnetic memory unit

Publications (2)

Publication Number Publication Date
JPS55113114A JPS55113114A (en) 1980-09-01
JPS6131523B2 true JPS6131523B2 (enrdf_load_stackoverflow) 1986-07-21

Family

ID=11996798

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1934579A Granted JPS55113114A (en) 1979-02-21 1979-02-21 Magnetic memory unit

Country Status (1)

Country Link
JP (1) JPS55113114A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2632323B2 (ja) * 1987-10-12 1997-07-23 日本ビクター株式会社 垂直磁気記録方式
BE1008066A3 (nl) * 1994-02-03 1996-01-09 Koninkl Philips Electronics Nv Inrichting voor het bepalen van de schrijfkwaliteit tijdens magnetische recording.

Also Published As

Publication number Publication date
JPS55113114A (en) 1980-09-01

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