KR880003185U - 광 픽업 구동장치 - Google Patents

광 픽업 구동장치

Info

Publication number
KR880003185U
KR880003185U KR2019860009831U KR860009831U KR880003185U KR 880003185 U KR880003185 U KR 880003185U KR 2019860009831 U KR2019860009831 U KR 2019860009831U KR 860009831 U KR860009831 U KR 860009831U KR 880003185 U KR880003185 U KR 880003185U
Authority
KR
South Korea
Prior art keywords
optical pickup
pickup drive
drive
optical
pickup
Prior art date
Application number
KR2019860009831U
Other languages
English (en)
Other versions
KR900006117Y1 (ko
Inventor
이원학
Original Assignee
주식회사 금성사
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 주식회사 금성사 filed Critical 주식회사 금성사
Priority to KR2019860009831U priority Critical patent/KR900006117Y1/ko
Publication of KR880003185U publication Critical patent/KR880003185U/ko
Application granted granted Critical
Publication of KR900006117Y1 publication Critical patent/KR900006117Y1/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
    • G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
    • G11B7/0857—Arrangements for mechanically moving the whole head
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/02—Permanent magnets [PM]

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Optical Recording Or Reproduction (AREA)
KR2019860009831U 1986-07-08 1986-07-08 광 픽업 구동장치 KR900006117Y1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019860009831U KR900006117Y1 (ko) 1986-07-08 1986-07-08 광 픽업 구동장치

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019860009831U KR900006117Y1 (ko) 1986-07-08 1986-07-08 광 픽업 구동장치

Publications (2)

Publication Number Publication Date
KR880003185U true KR880003185U (ko) 1988-04-11
KR900006117Y1 KR900006117Y1 (ko) 1990-07-06

Family

ID=19253502

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019860009831U KR900006117Y1 (ko) 1986-07-08 1986-07-08 광 픽업 구동장치

Country Status (1)

Country Link
KR (1) KR900006117Y1 (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021118153A1 (ko) * 2019-12-11 2021-06-17 최창균 냉매회로 열펌프의 순환냉매 유량조절장치 및 이를 이용하여 순환냉매의 효율적 유량제어가 가능한 히트펌프

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021118153A1 (ko) * 2019-12-11 2021-06-17 최창균 냉매회로 열펌프의 순환냉매 유량조절장치 및 이를 이용하여 순환냉매의 효율적 유량제어가 가능한 히트펌프

Also Published As

Publication number Publication date
KR900006117Y1 (ko) 1990-07-06

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