JPS5378802A - Speed control system for record player - Google Patents

Speed control system for record player

Info

Publication number
JPS5378802A
JPS5378802A JP15340576A JP15340576A JPS5378802A JP S5378802 A JPS5378802 A JP S5378802A JP 15340576 A JP15340576 A JP 15340576A JP 15340576 A JP15340576 A JP 15340576A JP S5378802 A JPS5378802 A JP S5378802A
Authority
JP
Japan
Prior art keywords
control system
speed control
record player
control
control signals
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
JP15340576A
Other languages
Japanese (ja)
Inventor
Katsuhiro Oi
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP15340576A priority Critical patent/JPS5378802A/en
Publication of JPS5378802A publication Critical patent/JPS5378802A/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
    • G11B19/28—Speed controlling, regulating, or indicating

Landscapes

  • Rotational Drive Of Disk (AREA)

Abstract

PURPOSE:To control the rotational speed of a turntable so as to improve its irregularity by reproducing control signals from a record disc and by comparing the control signals and reference signals.
JP15340576A 1976-12-22 1976-12-22 Speed control system for record player Pending JPS5378802A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15340576A JPS5378802A (en) 1976-12-22 1976-12-22 Speed control system for record player

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15340576A JPS5378802A (en) 1976-12-22 1976-12-22 Speed control system for record player

Publications (1)

Publication Number Publication Date
JPS5378802A true JPS5378802A (en) 1978-07-12

Family

ID=15561760

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15340576A Pending JPS5378802A (en) 1976-12-22 1976-12-22 Speed control system for record player

Country Status (1)

Country Link
JP (1) JPS5378802A (en)

Cited By (1)

* 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

Cited By (1)

* 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

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