JPH041950B2 - - Google Patents

Info

Publication number
JPH041950B2
JPH041950B2 JP23845083A JP23845083A JPH041950B2 JP H041950 B2 JPH041950 B2 JP H041950B2 JP 23845083 A JP23845083 A JP 23845083A JP 23845083 A JP23845083 A JP 23845083A JP H041950 B2 JPH041950 B2 JP H041950B2
Authority
JP
Japan
Prior art keywords
motor
acceleration
speed
traverse
polarity
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
JP23845083A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60129967A (ja
Inventor
Makoto Akyama
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 JP23845083A priority Critical patent/JPS60129967A/ja
Publication of JPS60129967A publication Critical patent/JPS60129967A/ja
Publication of JPH041950B2 publication Critical patent/JPH041950B2/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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
    • G11B7/08505—Methods for track change, selection or preliminary positioning by moving the head

Landscapes

  • Rotational Drive Of Disk (AREA)
JP23845083A 1983-12-16 1983-12-16 モ−タの回転制御装置 Granted JPS60129967A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP23845083A JPS60129967A (ja) 1983-12-16 1983-12-16 モ−タの回転制御装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP23845083A JPS60129967A (ja) 1983-12-16 1983-12-16 モ−タの回転制御装置

Publications (2)

Publication Number Publication Date
JPS60129967A JPS60129967A (ja) 1985-07-11
JPH041950B2 true JPH041950B2 (enrdf_load_stackoverflow) 1992-01-14

Family

ID=17030395

Family Applications (1)

Application Number Title Priority Date Filing Date
JP23845083A Granted JPS60129967A (ja) 1983-12-16 1983-12-16 モ−タの回転制御装置

Country Status (1)

Country Link
JP (1) JPS60129967A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0746465B2 (ja) * 1990-07-06 1995-05-17 三洋電機株式会社 ディスクプレーヤ装置

Also Published As

Publication number Publication date
JPS60129967A (ja) 1985-07-11

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