KR100255646B1 - 디스크 플레이어용 자기보상형 볼밸런서 - Google Patents

디스크 플레이어용 자기보상형 볼밸런서 Download PDF

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Publication number
KR100255646B1
KR100255646B1 KR1019970041991A KR19970041991A KR100255646B1 KR 100255646 B1 KR100255646 B1 KR 100255646B1 KR 1019970041991 A KR1019970041991 A KR 1019970041991A KR 19970041991 A KR19970041991 A KR 19970041991A KR 100255646 B1 KR100255646 B1 KR 100255646B1
Authority
KR
South Korea
Prior art keywords
wall
race
ball
disk
self
Prior art date
Application number
KR1019970041991A
Other languages
English (en)
Korean (ko)
Other versions
KR19990018765A (ko
Inventor
손진승
강혜주
Original Assignee
윤종용
삼성전자주식회사
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 윤종용, 삼성전자주식회사 filed Critical 윤종용
Priority to KR1019970041991A priority Critical patent/KR100255646B1/ko
Priority to TW088101176A priority patent/TW442785B/zh
Publication of KR19990018765A publication Critical patent/KR19990018765A/ko
Application granted granted Critical
Publication of KR100255646B1 publication Critical patent/KR100255646B1/ko

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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
    • G11B19/2009—Turntables, hubs and motors for disk drives; Mounting of motors in the drive
    • G11B19/2027—Turntables or rotors incorporating balancing means; Means for detecting imbalance
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
    • G11B17/02—Details
    • G11B17/022—Positioning or locking of single discs
    • G11B17/028—Positioning or locking of single discs of discs rotating during transducing operation
    • G11B17/0284—Positioning or locking of single discs of discs rotating during transducing operation by clampers
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B33/00—Constructional parts, details or accessories not provided for in the other groups of this subclass
    • G11B33/14—Reducing influence of physical parameters, e.g. temperature change, moisture, dust
    • G11B33/148—Reducing friction, adhesion, drag
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B7/095—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following specially adapted for discs, e.g. for compensation of eccentricity or wobble
    • G11B7/0953—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following specially adapted for discs, e.g. for compensation of eccentricity or wobble to compensate for eccentricity of the disc or disc tracks
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
    • G11B2220/2537—Optical discs

Landscapes

  • Holding Or Fastening Of Disk On Rotational Shaft (AREA)
  • Rotational Drive Of Disk (AREA)
KR1019970041991A 1997-08-28 1997-08-28 디스크 플레이어용 자기보상형 볼밸런서 KR100255646B1 (ko)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR1019970041991A KR100255646B1 (ko) 1997-08-28 1997-08-28 디스크 플레이어용 자기보상형 볼밸런서
TW088101176A TW442785B (en) 1997-08-28 1999-01-27 Self-compensating dynamic ball balancer for disk player

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019970041991A KR100255646B1 (ko) 1997-08-28 1997-08-28 디스크 플레이어용 자기보상형 볼밸런서

Publications (2)

Publication Number Publication Date
KR19990018765A KR19990018765A (ko) 1999-03-15
KR100255646B1 true KR100255646B1 (ko) 2000-07-01

Family

ID=19519063

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019970041991A KR100255646B1 (ko) 1997-08-28 1997-08-28 디스크 플레이어용 자기보상형 볼밸런서

Country Status (2)

Country Link
KR (1) KR100255646B1 (zh)
TW (1) TW442785B (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7434240B2 (en) 2003-05-13 2008-10-07 Lg Innotek Co., Ltd. Spindle motor including a ball cover having decelerating portion

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100445565B1 (ko) * 1999-05-08 2004-08-21 주식회사 엘지이아이 디스크 드라이브의 자동조심장치
KR20010063006A (ko) * 1999-12-21 2001-07-09 이형도 디스크 회전장치
KR20020006738A (ko) * 2000-07-13 2002-01-26 이형도 디스크 구동모터
KR20030048800A (ko) 2001-12-13 2003-06-25 엘지이노텍 주식회사 스핀들모터

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7434240B2 (en) 2003-05-13 2008-10-07 Lg Innotek Co., Ltd. Spindle motor including a ball cover having decelerating portion

Also Published As

Publication number Publication date
TW442785B (en) 2001-06-23
KR19990018765A (ko) 1999-03-15

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