JPS57147164A - Disc reproducer - Google Patents

Disc reproducer

Info

Publication number
JPS57147164A
JPS57147164A JP56206391A JP20639181A JPS57147164A JP S57147164 A JPS57147164 A JP S57147164A JP 56206391 A JP56206391 A JP 56206391A JP 20639181 A JP20639181 A JP 20639181A JP S57147164 A JPS57147164 A JP S57147164A
Authority
JP
Japan
Prior art keywords
disc
composite video
horizontal synchronizing
scanning
detecting
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
JP56206391A
Other languages
Japanese (ja)
Other versions
JPS624913B2 (en
Inventor
Keiji Suzuki
Tatsuo Shimizu
Katsuto Uetake
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.)
Teac Corp
Mitsubishi Electric Corp
Original Assignee
Teac Corp
Mitsubishi Electric 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 Teac Corp, Mitsubishi Electric Corp filed Critical Teac Corp
Priority to JP56206391A priority Critical patent/JPS57147164A/en
Publication of JPS57147164A publication Critical patent/JPS57147164A/en
Publication of JPS624913B2 publication Critical patent/JPS624913B2/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 achieve reproduction at a constant scanning speed easily and accurately, by providing a specific disc and a disc drive control circuit and the like. CONSTITUTION:A disc 31 on which composite video signals are recorded so that the composite video signal including horizontal synchronizing signals can be reproduced by scanning all recording tracks 32 at a constant speed, and a disc driving device 35 driving the disc 31 are provided. A scanning device 37 scanning the said recording tracks 32 and detecting the composite video signals, and a horizontal synchronizing signal detecting circuit 42 detecting the horizontal synchronizing signals from the detected composite video signals are provided. Further, a disc driving control circuit 36 controlling the said disc driving device 35 so that a period 1H of the horizontal synchronizing signals sequentially detected with the detecting circuit 42 can be made to a constant time on all the recording tracks 32 of the disc 31, is provided.
JP56206391A 1981-12-21 1981-12-21 Disc reproducer Granted JPS57147164A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56206391A JPS57147164A (en) 1981-12-21 1981-12-21 Disc reproducer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56206391A JPS57147164A (en) 1981-12-21 1981-12-21 Disc reproducer

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP10619674A Division JPS5444524B2 (en) 1974-09-13 1974-09-13

Related Child Applications (2)

Application Number Title Priority Date Filing Date
JP59130262A Division JPS6016775A (en) 1984-06-25 1984-06-25 Disc reproducing device
JP10602886A Division JPS61267968A (en) 1986-05-09 1986-05-09 Disk reproducing device

Publications (2)

Publication Number Publication Date
JPS57147164A true JPS57147164A (en) 1982-09-10
JPS624913B2 JPS624913B2 (en) 1987-02-02

Family

ID=16522565

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56206391A Granted JPS57147164A (en) 1981-12-21 1981-12-21 Disc reproducer

Country Status (1)

Country Link
JP (1) JPS57147164A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61267968A (en) * 1986-05-09 1986-11-27 Teac Co Disk reproducing device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61267968A (en) * 1986-05-09 1986-11-27 Teac Co Disk reproducing device
JPH0255864B2 (en) * 1986-05-09 1990-11-28 Teiatsuku Kk

Also Published As

Publication number Publication date
JPS624913B2 (en) 1987-02-02

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