DE69122051T2 - Trommelservosystem - Google Patents

Trommelservosystem

Info

Publication number
DE69122051T2
DE69122051T2 DE69122051T DE69122051T DE69122051T2 DE 69122051 T2 DE69122051 T2 DE 69122051T2 DE 69122051 T DE69122051 T DE 69122051T DE 69122051 T DE69122051 T DE 69122051T DE 69122051 T2 DE69122051 T2 DE 69122051T2
Authority
DE
Germany
Prior art keywords
servo system
drum servo
drum
servo
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
DE69122051T
Other languages
English (en)
Other versions
DE69122051D1 (de
Inventor
Jin Ogasawara
Seiji Higurashi
Tomoyuki Shindo
Tetsuya Suwa
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.)
Victor Company of Japan Ltd
Original Assignee
Victor Company of Japan 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
Priority claimed from JP2336126A external-priority patent/JP2536689B2/ja
Priority claimed from JP3121966A external-priority patent/JP2601058B2/ja
Application filed by Victor Company of Japan Ltd filed Critical Victor Company of Japan Ltd
Application granted granted Critical
Publication of DE69122051D1 publication Critical patent/DE69122051D1/de
Publication of DE69122051T2 publication Critical patent/DE69122051T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
    • G11B15/18—Driving; Starting; Stopping; Arrangements for control or regulation thereof
    • G11B15/46—Controlling, regulating, or indicating speed
    • G11B15/467—Controlling, regulating, or indicating speed in arrangements for recording or reproducing wherein both record carriers and heads are driven
    • G11B15/473—Controlling, regulating, or indicating speed in arrangements for recording or reproducing wherein both record carriers and heads are driven by controlling the speed of the heads
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
    • G11B15/18—Driving; Starting; Stopping; Arrangements for control or regulation thereof
    • G11B15/46—Controlling, regulating, or indicating speed
    • G11B15/467—Controlling, regulating, or indicating speed in arrangements for recording or reproducing wherein both record carriers and heads are driven
    • G11B15/473—Controlling, regulating, or indicating speed in arrangements for recording or reproducing wherein both record carriers and heads are driven by controlling the speed of the heads
    • G11B15/4731—Controlling, regulating, or indicating speed in arrangements for recording or reproducing wherein both record carriers and heads are driven by controlling the speed of the heads control of headwheel rotation
DE69122051T 1990-11-30 1991-11-29 Trommelservosystem Expired - Lifetime DE69122051T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2336126A JP2536689B2 (ja) 1990-11-30 1990-11-30 ドラムサ―ボ回路
JP3121966A JP2601058B2 (ja) 1991-03-29 1991-03-29 ドラムサーボシステム

Publications (2)

Publication Number Publication Date
DE69122051D1 DE69122051D1 (de) 1996-10-17
DE69122051T2 true DE69122051T2 (de) 1997-02-27

Family

ID=26459204

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69133381T Expired - Lifetime DE69133381T2 (de) 1990-11-30 1991-11-29 Trommelservosystem
DE69122051T Expired - Lifetime DE69122051T2 (de) 1990-11-30 1991-11-29 Trommelservosystem

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE69133381T Expired - Lifetime DE69133381T2 (de) 1990-11-30 1991-11-29 Trommelservosystem

Country Status (4)

Country Link
US (1) US5751509A (de)
EP (2) EP0489375B1 (de)
KR (1) KR950011518B1 (de)
DE (2) DE69133381T2 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07130092A (ja) * 1993-11-05 1995-05-19 Sony Corp ディスク記録装置、ディスク再生装置およびディスク状記録媒体
SG34287A1 (en) 1994-10-28 1996-12-06 Hitachi Ltd Input-output circuit recording apparatus and reproduction apparatus for digital video signal
EP1209923B1 (de) 1995-04-27 2006-05-24 Hitachi, Ltd. Verfahren und Vorrichtung zum Empfang und/oder Wiedergabe von digitalen Signalen
DE60104629T2 (de) 2001-05-22 2005-08-11 Agilent Technologies Inc., A Delaware Corp., Palo Alto Polarisationskorrigierte optische Messeinheit
JP4379031B2 (ja) * 2003-07-17 2009-12-09 日本ビクター株式会社 情報伝送方式及びそれに用いる情報送信装置及び情報受信装置
JP4469758B2 (ja) * 2005-07-04 2010-05-26 パナソニック株式会社 音声処理装置
US8660400B2 (en) * 2008-06-17 2014-02-25 Panasonic Corporation Imaging apparatus and method of starting the same

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5456119A (en) * 1977-10-11 1979-05-04 Sony Corp Speed controller for motor
JPS55153159A (en) * 1979-05-15 1980-11-28 Sony Corp Digital signal recorder
US4296446A (en) * 1979-11-15 1981-10-20 Rca Corporation Motor speed control circuit
JPS56157291A (en) * 1980-05-06 1981-12-04 Ricoh Co Ltd Control system for motor
JPS5845651A (ja) * 1981-09-07 1983-03-16 Victor Co Of Japan Ltd ヘツドサ−ボ回路
US4550345A (en) * 1981-12-09 1985-10-29 Hitachi, Ltd. Magnetic video pilot signal recording/reproducing system
JPS58186811A (ja) * 1982-04-26 1983-10-31 Fuji Xerox Co Ltd 速度制御装置
KR900001222B1 (ko) * 1983-06-15 1990-03-05 가부시기가이샤 히다찌세이사꾸쇼 Pcm 신호의 기록 재생장치
JPS60171663A (ja) * 1984-02-15 1985-09-05 Mitsubishi Electric Corp 回転ヘツド型磁気記録再生装置
JPS60171604A (ja) * 1984-02-16 1985-09-05 Mitsubishi Electric Corp 回転ヘツド型記録再生装置
JPS6167114A (ja) * 1984-09-10 1986-04-07 Ntn Toyo Bearing Co Ltd デイスク線速度一定制御装置
DE3584609D1 (de) * 1984-11-02 1991-12-12 Sony Corp Geraet zur erzeugung digitaler signale.
US4807055A (en) * 1985-09-11 1989-02-21 Pioneer Electronic Corporation Multi-speed magnetic recording playback
JPH0650581B2 (ja) * 1986-10-30 1994-06-29 ロ−ム株式会社 磁気テ−プの記録速度自動判別装置
US5012352A (en) * 1987-08-10 1991-04-30 Canon Kabushiki Kaisha Digital signal recording apparatus time-division multiplexing video and audio signals
EP0327289B1 (de) * 1988-01-30 1996-03-13 Sony Corporation Magnetisches Aufzeichnungs- und Wiedergabegerät
US5130863A (en) * 1988-04-11 1992-07-14 Canon Kabushiki Kaisha Digital signal recording apparatus for recording plural kinds of digital information signals having different respective bit rates
US4872073A (en) * 1988-09-02 1989-10-03 Ampex Corporation Apparatus for playback of magnetically recorded data having a variable input rate
JP2773224B2 (ja) * 1989-04-18 1998-07-09 ソニー株式会社 スピンドルサーボ回路
JPH03168976A (ja) * 1989-11-25 1991-07-22 Sony Corp デイジタル信号記録装置及び再生装置

Also Published As

Publication number Publication date
EP0720165B1 (de) 2004-04-14
EP0489375A2 (de) 1992-06-10
KR950011518B1 (ko) 1995-10-05
DE69122051D1 (de) 1996-10-17
EP0720165A3 (de) 2000-10-25
EP0720165A2 (de) 1996-07-03
KR920010565A (ko) 1992-06-26
EP0489375A3 (en) 1993-03-31
US5751509A (en) 1998-05-12
EP0489375B1 (de) 1996-09-11
DE69133381D1 (de) 2004-05-19
DE69133381T2 (de) 2005-05-04

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition