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JPS549907A - Equal linear velocity controller of rotating media - Google Patents

Equal linear velocity controller of rotating media

Info

Publication number
JPS549907A
JPS549907A JP7504877A JP7504877A JPS549907A JP S549907 A JPS549907 A JP S549907A JP 7504877 A JP7504877 A JP 7504877A JP 7504877 A JP7504877 A JP 7504877A JP S549907 A JPS549907 A JP S549907A
Authority
JP
Japan
Prior art keywords
linear velocity
velocity controller
rotating media
equal linear
equal
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.)
Granted
Application number
JP7504877A
Other languages
Japanese (ja)
Other versions
JPS6244342B2 (en
Inventor
Jun Nakai
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.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Priority to JP7504877A priority Critical patent/JPS549907A/en
Publication of JPS549907A publication Critical patent/JPS549907A/en
Publication of JPS6244342B2 publication Critical patent/JPS6244342B2/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)

Abstract

PURPOSE:To make the sensitivity of control system constant and improve control characteristics by applying a specific voltage to the current source of the charging-discharging loop of a saw tooth wave generating circuit which forms a revolution number-voltage converting means.
JP7504877A 1977-06-24 1977-06-24 Equal linear velocity controller of rotating media Granted JPS549907A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7504877A JPS549907A (en) 1977-06-24 1977-06-24 Equal linear velocity controller of rotating media

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7504877A JPS549907A (en) 1977-06-24 1977-06-24 Equal linear velocity controller of rotating media

Publications (2)

Publication Number Publication Date
JPS549907A true JPS549907A (en) 1979-01-25
JPS6244342B2 JPS6244342B2 (en) 1987-09-19

Family

ID=13564919

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7504877A Granted JPS549907A (en) 1977-06-24 1977-06-24 Equal linear velocity controller of rotating media

Country Status (1)

Country Link
JP (1) JPS549907A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0057612A2 (en) * 1981-02-02 1982-08-11 Sanyo Electric Co., Ltd. Motor controlling circuit of reproducing apparatus and method of controlling
JPS57164876U (en) * 1981-04-13 1982-10-18
JPS57203259A (en) * 1981-06-05 1982-12-13 Akai Electric Co Ltd Controller for rotating speed of motor in disc player
JPS5837874A (en) * 1981-08-31 1983-03-05 Nec Home Electronics Ltd Controller of disk revolution
JPS5885972A (en) * 1981-11-16 1983-05-23 Akai Electric Co Ltd Equilinear speed controller of disk player
JPS5885973A (en) * 1981-11-16 1983-05-23 Akai Electric Co Ltd Equilinear speed controller of disk player
JPS5885974A (en) * 1981-11-16 1983-05-23 Akai Electric Co Ltd Equilinear speed controller of disk player

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01152528A (en) * 1987-10-15 1989-06-15 Matsushita Electric Ind Co Ltd Position information input device
JPH0418036Y2 (en) * 1987-12-07 1992-04-22

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0057612A2 (en) * 1981-02-02 1982-08-11 Sanyo Electric Co., Ltd. Motor controlling circuit of reproducing apparatus and method of controlling
JPS57164876U (en) * 1981-04-13 1982-10-18
JPS57203259A (en) * 1981-06-05 1982-12-13 Akai Electric Co Ltd Controller for rotating speed of motor in disc player
JPS5837874A (en) * 1981-08-31 1983-03-05 Nec Home Electronics Ltd Controller of disk revolution
JPS5885972A (en) * 1981-11-16 1983-05-23 Akai Electric Co Ltd Equilinear speed controller of disk player
JPS5885973A (en) * 1981-11-16 1983-05-23 Akai Electric Co Ltd Equilinear speed controller of disk player
JPS5885974A (en) * 1981-11-16 1983-05-23 Akai Electric Co Ltd Equilinear speed controller of disk player

Also Published As

Publication number Publication date
JPS6244342B2 (en) 1987-09-19

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