JPS5284711A - Head drive type magnetic recording and reproduction apparatus - Google Patents

Head drive type magnetic recording and reproduction apparatus

Info

Publication number
JPS5284711A
JPS5284711A JP15909475A JP15909475A JPS5284711A JP S5284711 A JPS5284711 A JP S5284711A JP 15909475 A JP15909475 A JP 15909475A JP 15909475 A JP15909475 A JP 15909475A JP S5284711 A JPS5284711 A JP S5284711A
Authority
JP
Japan
Prior art keywords
magnetic recording
reproduction apparatus
type magnetic
drive type
head drive
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
JP15909475A
Other languages
Japanese (ja)
Inventor
Hiroyuki Nagai
Hideaki Toko
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 JP15909475A priority Critical patent/JPS5284711A/en
Publication of JPS5284711A publication Critical patent/JPS5284711A/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
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/20—Driving; Starting; Stopping; Control thereof
    • G11B19/24—Arrangements for providing constant relative speed between record carrier and head

Abstract

PURPOSE:Driving of magnetic heads is made possible and damaging of discs and heads is prevented by detecting that the rotating speed of the magnetic disc has reached a fixed value, from the pulses proportional to the rotating speeds.
JP15909475A 1975-12-31 1975-12-31 Head drive type magnetic recording and reproduction apparatus Pending JPS5284711A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15909475A JPS5284711A (en) 1975-12-31 1975-12-31 Head drive type magnetic recording and reproduction apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15909475A JPS5284711A (en) 1975-12-31 1975-12-31 Head drive type magnetic recording and reproduction apparatus

Publications (1)

Publication Number Publication Date
JPS5284711A true JPS5284711A (en) 1977-07-14

Family

ID=15686095

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15909475A Pending JPS5284711A (en) 1975-12-31 1975-12-31 Head drive type magnetic recording and reproduction apparatus

Country Status (1)

Country Link
JP (1) JPS5284711A (en)

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