NL8007045A - Rotatieregelstelsel in een weergeefinrichting voor een roterend registratiemedium. - Google Patents

Rotatieregelstelsel in een weergeefinrichting voor een roterend registratiemedium. Download PDF

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Publication number
NL8007045A
NL8007045A NL8007045A NL8007045A NL8007045A NL 8007045 A NL8007045 A NL 8007045A NL 8007045 A NL8007045 A NL 8007045A NL 8007045 A NL8007045 A NL 8007045A NL 8007045 A NL8007045 A NL 8007045A
Authority
NL
Netherlands
Prior art keywords
signal
output
rotation
comparator
recording medium
Prior art date
Application number
NL8007045A
Other languages
English (en)
Dutch (nl)
Original Assignee
Victor Company Of Japan
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 JP17308279A external-priority patent/JPS5694547A/ja
Priority claimed from JP17308379A external-priority patent/JPS5694548A/ja
Application filed by Victor Company Of Japan filed Critical Victor Company Of Japan
Publication of NL8007045A publication Critical patent/NL8007045A/nl

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
NL8007045A 1979-12-27 1980-12-24 Rotatieregelstelsel in een weergeefinrichting voor een roterend registratiemedium. NL8007045A (nl)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP17308279A JPS5694547A (en) 1979-12-27 1979-12-27 Revolution number controlling system in reproducing device for information disc
JP17308379 1979-12-27
JP17308279 1979-12-27
JP17308379A JPS5694548A (en) 1979-12-27 1979-12-27 Number of revolution control system in equal line speed playback device for information disc

Publications (1)

Publication Number Publication Date
NL8007045A true NL8007045A (nl) 1981-07-16

Family

ID=26495203

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8007045A NL8007045A (nl) 1979-12-27 1980-12-24 Rotatieregelstelsel in een weergeefinrichting voor een roterend registratiemedium.

Country Status (4)

Country Link
US (1) US4388713A (de)
DE (1) DE3049045C2 (de)
GB (1) GB2069186B (de)
NL (1) NL8007045A (de)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5764371A (en) * 1980-09-30 1982-04-19 Toshiba Corp Rotation control system of disk recording medium
JPS57181482A (en) * 1981-05-01 1982-11-08 Toshiba Corp Disc device
JPS57198579A (en) * 1981-05-29 1982-12-06 Sony Corp Disc reproducing device
JPS5819713A (ja) * 1981-07-29 1983-02-04 Olympus Optical Co Ltd デイスク上の読み出しデ−タ長等価方式
JPS5898881A (ja) * 1981-12-08 1983-06-11 Pioneer Video Corp 情報記録デイスク再生装置における時間軸制御装置
US4727530A (en) * 1983-10-14 1988-02-23 Nippon Gakki Seizo Kabushiki Kaisha Disc rotation control device for a disc player
JPS60113680A (ja) * 1983-11-22 1985-06-20 Victor Co Of Japan Ltd モ−タの回転制御装置
JPS60111556U (ja) * 1983-12-29 1985-07-29 パイオニア株式会社 情報再生装置
JPS60173767A (ja) * 1984-02-20 1985-09-07 Sony Corp 光学式ディスク装置
JPS60195772A (ja) * 1984-03-16 1985-10-04 Pioneer Electronic Corp 記録ディスク回転駆動制御装置
US4566224A (en) * 1984-10-24 1986-01-28 Rca Corporation Lapping apparatus
US5228020A (en) * 1985-01-31 1993-07-13 Matsushita Electric Industrial Co., Ltd. System for detecting rotational deviation of a rotary recording medium and an apparatus for reproducing a signal from the recording medium
DE3508423A1 (de) * 1985-03-09 1986-09-11 Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen System zur ermittlung der abtastgeschwindigkeit von audioplatten mit beruehrungsloser abtastung
JPS6254868A (ja) * 1985-09-03 1987-03-10 Victor Co Of Japan Ltd 回転記録媒体の回転数制御装置
US4809248A (en) * 1986-03-05 1989-02-28 Mitsubishi Denki Kabushiki Kaisha Memory device including a rotating disk and means for detecting change in frictional resistance between the disk and a read/record head
US4799112A (en) * 1987-02-19 1989-01-17 Magnetic Peripherals Inc. Method and apparatus for recording data
DE3884100T2 (de) * 1987-07-31 1994-02-24 Sharp Kk Gerät zur Aufnahme und Wiedergabe von Daten auf einer optischen Platte.
US4947093A (en) * 1988-11-25 1990-08-07 Micropolis Corporation Shock resistant winchester disk drive
JPH02216663A (ja) * 1989-02-15 1990-08-29 Sony Corp 光デイスク装置
DE3912837A1 (de) * 1989-04-19 1990-10-25 Thomson Brandt Gmbh Regelschaltung
DE4016551A1 (de) * 1990-05-23 1991-11-28 Thomson Brandt Gmbh Verfahren zum anhalten eines rotierenden plattenfoermigen aufzeichnungstraegers
US5258876A (en) * 1991-09-16 1993-11-02 Seagate Technology, Inc. Zone bit recording with write compensation
US5798999A (en) * 1991-12-23 1998-08-25 Nimbus Communications International Limited Damped turntable/disk arculately positionable relative to a head
JPH06147811A (ja) * 1992-11-04 1994-05-27 Fujitsu Ltd 回転角度検出方式
US5805370A (en) * 1992-11-30 1998-09-08 Samsung Electronics Co., Ltd. Head switching method for staggered servo and circuit thereof
AU694947B2 (en) * 1993-02-02 1998-08-06 Nimbus Communications International Limited A disk recording system
US6088180A (en) * 1994-04-05 2000-07-11 Samsung Electronics Co., Ltd. Head switching method for staggered servo and circuit thereof
KR970076521A (ko) * 1996-05-14 1997-12-12 김광호 콤팩트 디스크의 데이터의 기록선속도 측정방법
US7234181B1 (en) * 2005-02-24 2007-06-26 Christine Griggs Incline sleeper for an infant

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4040401A (en) * 1974-11-05 1977-08-09 Ethyl Corporation Spark vacuum advance control
DD125986A1 (de) * 1975-05-27 1977-06-08
DE2811761A1 (de) * 1978-03-17 1979-09-20 Wilhelm Dr Ing Lepper Verfahren zur aufnahme und wiedergabe von schallaufzeichnungen fuer schallplatten und einrichtung zur durchfuehrung des verfahrens
US4190860A (en) * 1978-11-16 1980-02-26 Mca Discovision, Inc. Digital method and apparatus for rotating an information storage disc
US4223349A (en) * 1978-11-16 1980-09-16 Mca Discovision, Inc. System for rotating an information storage disc at a variable angular velocity to recover information therefrom at a prescribed constant rate

Also Published As

Publication number Publication date
US4388713A (en) 1983-06-14
DE3049045A1 (de) 1981-10-01
GB2069186B (en) 1983-12-07
GB2069186A (en) 1981-08-19
DE3049045C2 (de) 1986-08-28

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Legal Events

Date Code Title Description
A1A A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
A85 Still pending on 85-01-01
BV The patent application has lapsed