KR880008376U - Laser pickup objective lens driving device - Google Patents

Laser pickup objective lens driving device

Info

Publication number
KR880008376U
KR880008376U KR2019860016162U KR860016162U KR880008376U KR 880008376 U KR880008376 U KR 880008376U KR 2019860016162 U KR2019860016162 U KR 2019860016162U KR 860016162 U KR860016162 U KR 860016162U KR 880008376 U KR880008376 U KR 880008376U
Authority
KR
South Korea
Prior art keywords
driving device
objective lens
lens driving
laser pickup
pickup objective
Prior art date
Application number
KR2019860016162U
Other languages
Korean (ko)
Other versions
KR900008722Y1 (en
Inventor
조대현
Original Assignee
삼성전자정밀공업 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 삼성전자정밀공업 주식회사 filed Critical 삼성전자정밀공업 주식회사
Priority to KR2019860016162U priority Critical patent/KR900008722Y1/en
Publication of KR880008376U publication Critical patent/KR880008376U/en
Application granted granted Critical
Publication of KR900008722Y1 publication Critical patent/KR900008722Y1/en

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
    • G11B7/0925—Electromechanical actuators for lens positioning
    • 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
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1372—Lenses
    • G11B7/1374—Objective lenses
    • 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)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)
KR2019860016162U 1986-10-23 1986-10-23 Operating apparatus of objective lens for optical pick-up unit KR900008722Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019860016162U KR900008722Y1 (en) 1986-10-23 1986-10-23 Operating apparatus of objective lens for optical pick-up unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019860016162U KR900008722Y1 (en) 1986-10-23 1986-10-23 Operating apparatus of objective lens for optical pick-up unit

Publications (2)

Publication Number Publication Date
KR880008376U true KR880008376U (en) 1988-06-29
KR900008722Y1 KR900008722Y1 (en) 1990-09-22

Family

ID=19256441

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019860016162U KR900008722Y1 (en) 1986-10-23 1986-10-23 Operating apparatus of objective lens for optical pick-up unit

Country Status (1)

Country Link
KR (1) KR900008722Y1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100406130B1 (en) * 2001-09-26 2003-11-14 주식회사 경동보일러 Boiler For Using The One Body Type Solenoid Valve

Also Published As

Publication number Publication date
KR900008722Y1 (en) 1990-09-22

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Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
REGI Registration of establishment
FPAY Annual fee payment

Payment date: 19970919

Year of fee payment: 8

LAPS Lapse due to unpaid annual fee