JPH0327985B2 - - Google Patents

Info

Publication number
JPH0327985B2
JPH0327985B2 JP56013412A JP1341281A JPH0327985B2 JP H0327985 B2 JPH0327985 B2 JP H0327985B2 JP 56013412 A JP56013412 A JP 56013412A JP 1341281 A JP1341281 A JP 1341281A JP H0327985 B2 JPH0327985 B2 JP H0327985B2
Authority
JP
Japan
Prior art keywords
motor
disk
rotation
output
detection device
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 - Lifetime
Application number
JP56013412A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57129183A (en
Inventor
Makoto Iwazawa
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.)
Sharp Corp
Original Assignee
Sharp 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 Sharp Corp filed Critical Sharp Corp
Priority to JP56013412A priority Critical patent/JPS57129183A/ja
Publication of JPS57129183A publication Critical patent/JPS57129183A/ja
Publication of JPH0327985B2 publication Critical patent/JPH0327985B2/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
    • 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

Landscapes

  • Rotational Drive Of Disk (AREA)
  • Control Of Electric Motors In General (AREA)
JP56013412A 1981-01-31 1981-01-31 Rotation controller for motor Granted JPS57129183A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56013412A JPS57129183A (en) 1981-01-31 1981-01-31 Rotation controller for motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56013412A JPS57129183A (en) 1981-01-31 1981-01-31 Rotation controller for motor

Publications (2)

Publication Number Publication Date
JPS57129183A JPS57129183A (en) 1982-08-11
JPH0327985B2 true JPH0327985B2 (enrdf_load_stackoverflow) 1991-04-17

Family

ID=11832414

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56013412A Granted JPS57129183A (en) 1981-01-31 1981-01-31 Rotation controller for motor

Country Status (1)

Country Link
JP (1) JPS57129183A (enrdf_load_stackoverflow)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT335648B (de) * 1974-08-30 1977-03-25 Voest Ag Stranggiessanlage mit mindestens einer tragkonstruktion fur ein zwischengefass
JPS5412816A (en) * 1977-06-30 1979-01-30 Sony Corp Isolinear velocity controller of rotary recording media
US4223349A (en) * 1978-11-16 1980-09-16 Mca Discovision, Inc. System for rotating an information storage disc at a variable angular velocity to recover information therefrom at a prescribed constant rate

Also Published As

Publication number Publication date
JPS57129183A (en) 1982-08-11

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