KR890001344U - 포커스 에라 오프셋 자동 보상회로 - Google Patents

포커스 에라 오프셋 자동 보상회로

Info

Publication number
KR890001344U
KR890001344U KR2019870009588U KR870009588U KR890001344U KR 890001344 U KR890001344 U KR 890001344U KR 2019870009588 U KR2019870009588 U KR 2019870009588U KR 870009588 U KR870009588 U KR 870009588U KR 890001344 U KR890001344 U KR 890001344U
Authority
KR
South Korea
Prior art keywords
era
focus
compensation circuit
automatic compensation
offset automatic
Prior art date
Application number
KR2019870009588U
Other languages
English (en)
Other versions
KR900003159Y1 (ko
Inventor
고영산
Original Assignee
삼성전자 주식회사
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 삼성전자 주식회사 filed Critical 삼성전자 주식회사
Priority to KR2019870009588U priority Critical patent/KR900003159Y1/ko
Publication of KR890001344U publication Critical patent/KR890001344U/ko
Application granted granted Critical
Publication of KR900003159Y1 publication Critical patent/KR900003159Y1/ko

Links

Classifications

    • 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
    • G11B7/094—Methods and circuits for servo offset compensation
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/45—Differential amplifiers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Optical Recording Or Reproduction (AREA)
KR2019870009588U 1987-06-16 1987-06-16 포커스 에라 오프셋 자동 보상회로 KR900003159Y1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019870009588U KR900003159Y1 (ko) 1987-06-16 1987-06-16 포커스 에라 오프셋 자동 보상회로

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019870009588U KR900003159Y1 (ko) 1987-06-16 1987-06-16 포커스 에라 오프셋 자동 보상회로

Publications (2)

Publication Number Publication Date
KR890001344U true KR890001344U (ko) 1989-03-18
KR900003159Y1 KR900003159Y1 (ko) 1990-04-14

Family

ID=19264121

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019870009588U KR900003159Y1 (ko) 1987-06-16 1987-06-16 포커스 에라 오프셋 자동 보상회로

Country Status (1)

Country Link
KR (1) KR900003159Y1 (ko)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100447663B1 (ko) * 1996-09-19 2004-11-08 엘지전자 주식회사 Cdp포커스오프셋자동조정장치및그방법
KR100676769B1 (ko) * 2005-11-30 2007-02-01 주식회사 유컴테크놀러지 무선주파수인식 시스템

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100447663B1 (ko) * 1996-09-19 2004-11-08 엘지전자 주식회사 Cdp포커스오프셋자동조정장치및그방법
KR100676769B1 (ko) * 2005-11-30 2007-02-01 주식회사 유컴테크놀러지 무선주파수인식 시스템

Also Published As

Publication number Publication date
KR900003159Y1 (ko) 1990-04-14

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