JPH0327986B2 - - Google Patents

Info

Publication number
JPH0327986B2
JPH0327986B2 JP15370781A JP15370781A JPH0327986B2 JP H0327986 B2 JPH0327986 B2 JP H0327986B2 JP 15370781 A JP15370781 A JP 15370781A JP 15370781 A JP15370781 A JP 15370781A JP H0327986 B2 JPH0327986 B2 JP H0327986B2
Authority
JP
Japan
Prior art keywords
signal
pulse width
synchronization signal
period
maximum pulse
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
JP15370781A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5856258A (ja
Inventor
Hiroyuki Kimura
Yoshimi Iso
Shigeki Inoe
Takashi Takeuchi
Shinichi Oohashi
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 JP15370781A priority Critical patent/JPS5856258A/ja
Priority to GB08227632A priority patent/GB2109593B/en
Priority to EP82109013A priority patent/EP0075948B1/en
Priority to US06/428,209 priority patent/US4532561A/en
Priority to DE8282109013T priority patent/DE3275144D1/de
Priority to AT82109013T priority patent/ATE24981T1/de
Publication of JPS5856258A publication Critical patent/JPS5856258A/ja
Publication of JPH0327986B2 publication Critical patent/JPH0327986B2/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)
  • Signal Processing For Digital Recording And Reproducing (AREA)
JP15370781A 1981-09-30 1981-09-30 再生速度制御装置 Granted JPS5856258A (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP15370781A JPS5856258A (ja) 1981-09-30 1981-09-30 再生速度制御装置
GB08227632A GB2109593B (en) 1981-09-30 1982-09-28 Playback speed control system
EP82109013A EP0075948B1 (en) 1981-09-30 1982-09-29 Playback speed control system
US06/428,209 US4532561A (en) 1981-09-30 1982-09-29 Playback speed control system
DE8282109013T DE3275144D1 (en) 1981-09-30 1982-09-29 Playback speed control system
AT82109013T ATE24981T1 (de) 1981-09-30 1982-09-29 Vorrichtung zum regeln der abtastgeschwindigkeit.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15370781A JPS5856258A (ja) 1981-09-30 1981-09-30 再生速度制御装置

Publications (2)

Publication Number Publication Date
JPS5856258A JPS5856258A (ja) 1983-04-02
JPH0327986B2 true JPH0327986B2 (ko) 1991-04-17

Family

ID=15568337

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15370781A Granted JPS5856258A (ja) 1981-09-30 1981-09-30 再生速度制御装置

Country Status (1)

Country Link
JP (1) JPS5856258A (ko)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2919380B2 (ja) * 1996-08-29 1999-07-12 山形日本電気株式会社 ディスク回転速度制御回路
JP2972657B2 (ja) * 1997-06-20 1999-11-08 山形日本電気株式会社 Ｅｆｍ信号のフレーム周期検出回路及びｅｆｍ信号再生用ビット同期クロック信号の周波数制御方法

Also Published As

Publication number Publication date
JPS5856258A (ja) 1983-04-02

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