JPH0572025B2 - - Google Patents

Info

Publication number
JPH0572025B2
JPH0572025B2 JP62287127A JP28712787A JPH0572025B2 JP H0572025 B2 JPH0572025 B2 JP H0572025B2 JP 62287127 A JP62287127 A JP 62287127A JP 28712787 A JP28712787 A JP 28712787A JP H0572025 B2 JPH0572025 B2 JP H0572025B2
Authority
JP
Japan
Prior art keywords
motor
signal
speed
level
output
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 - Lifetime
Application number
JP62287127A
Other languages
English (en)
Japanese (ja)
Other versions
JPH01128262A (ja
Inventor
Juji Tsuyukuchi
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
Original Assignee
Teac 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 filed Critical Teac Corp
Priority to JP62287127A priority Critical patent/JPH01128262A/ja
Priority to US07/262,958 priority patent/US4918743A/en
Publication of JPH01128262A publication Critical patent/JPH01128262A/ja
Publication of JPH0572025B2 publication Critical patent/JPH0572025B2/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
    • G11B19/28—Speed controlling, regulating, or indicating
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S388/00—Electricity: motor control systems
    • Y10S388/907—Specific control circuit element or device
    • Y10S388/908—Frequency to voltage converter

Landscapes

  • Rotational Drive Of Disk (AREA)
JP62287127A 1987-11-13 1987-11-13 デイスク装置 Granted JPH01128262A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP62287127A JPH01128262A (ja) 1987-11-13 1987-11-13 デイスク装置
US07/262,958 US4918743A (en) 1987-11-13 1988-10-26 Circuit for generating a dual purpose control signal in a disk apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62287127A JPH01128262A (ja) 1987-11-13 1987-11-13 デイスク装置

Publications (2)

Publication Number Publication Date
JPH01128262A JPH01128262A (ja) 1989-05-19
JPH0572025B2 true JPH0572025B2 (en]) 1993-10-08

Family

ID=17713421

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62287127A Granted JPH01128262A (ja) 1987-11-13 1987-11-13 デイスク装置

Country Status (2)

Country Link
US (1) US4918743A (en])
JP (1) JPH01128262A (en])

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5714941A (en) * 1996-04-22 1998-02-03 Dell U.S.A., L.P. Integral information and energy storage system
KR100213079B1 (ko) * 1996-12-13 1999-08-02 윤종용 웨이크 업 초기 안정화 방법
US6104566A (en) * 1997-12-12 2000-08-15 International Business Machines Corporation Direct access storage device (DASD) with a variable spindle rotation speed
TW440817B (en) * 1999-05-20 2001-06-16 Asustek Comp Inc Method for controlling the rotating speed of compact disk player and device thereof
JP2005208966A (ja) * 2004-01-23 2005-08-04 Matsushita Electric Ind Co Ltd 情報処理装置
JP4572740B2 (ja) * 2005-05-24 2010-11-04 船井電機株式会社 光ディスク装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4211964A (en) * 1978-01-31 1980-07-08 Matsushita Electric Industrial Co., Ltd. Speed control circuit
US4484235A (en) * 1980-06-19 1984-11-20 Matsushita Electric Industrial Co., Ltd. Phase control circuit and magnetic reproducing apparatus using the same
US4490755A (en) * 1981-07-09 1984-12-25 Victor Company Of Japan, Ltd. Recording and reproducing video signals at selectable different tape traveling speeds from plural video head pairs
JPS597964A (ja) * 1982-07-06 1984-01-17 Canon Inc 記録媒体駆動装置
JPS59185071A (ja) * 1983-04-04 1984-10-20 Hitachi Ltd 情報記録デイスクの再生速度制御装置
US4710825A (en) * 1983-05-26 1987-12-01 Nippon Kogaku K.K. Disc recording system with speed control
JPS6182375A (ja) * 1984-09-29 1986-04-25 Hitachi Ltd 磁気デイスク駆動方式
JPS6196583A (ja) * 1984-10-17 1986-05-15 Sony Corp ディスク記録再生装置
JPS61211711A (ja) * 1985-03-16 1986-09-19 Pioneer Electronic Corp 位相比較器
JPS6275814A (ja) * 1985-09-30 1987-04-07 Toshiba Corp デジタル時間差計測装置

Also Published As

Publication number Publication date
JPH01128262A (ja) 1989-05-19
US4918743A (en) 1990-04-17

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