KR890003486U - Compact disc player's laser pickup lock device - Google Patents

Compact disc player's laser pickup lock device

Info

Publication number
KR890003486U
KR890003486U KR2019870022495U KR870022495U KR890003486U KR 890003486 U KR890003486 U KR 890003486U KR 2019870022495 U KR2019870022495 U KR 2019870022495U KR 870022495 U KR870022495 U KR 870022495U KR 890003486 U KR890003486 U KR 890003486U
Authority
KR
South Korea
Prior art keywords
compact disc
lock device
disc player
laser pickup
pickup lock
Prior art date
Application number
KR2019870022495U
Other languages
Korean (ko)
Other versions
KR910001341Y1 (en
Inventor
야스히꼬 이께다
Original Assignee
가부시기가이샤 니후고
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 가부시기가이샤 니후고 filed Critical 가부시기가이샤 니후고
Publication of KR890003486U publication Critical patent/KR890003486U/en
Application granted granted Critical
Publication of KR910001341Y1 publication Critical patent/KR910001341Y1/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
    • 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
    • G11B17/08—Guiding record carriers not specifically of filamentary or web form, or of supports therefor from consecutive-access magazine of disc records
    • 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
    • G11B7/125—Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces
    • G11B7/127—Lasers; Multiple laser arrays
    • 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
    • G11B2220/2545—CDs

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Supporting Of Heads In Record-Carrier Devices (AREA)
  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
  • Optical Head (AREA)
KR2019870022495U 1987-07-06 1987-12-21 Locking apparatus of lazer pick-up unit in the cdp KR910001341Y1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP102747 1987-07-06
JP1987102747U JPH0437289Y2 (en) 1987-07-06 1987-07-06

Publications (2)

Publication Number Publication Date
KR890003486U true KR890003486U (en) 1989-04-13
KR910001341Y1 KR910001341Y1 (en) 1991-02-28

Family

ID=31332939

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019870022495U KR910001341Y1 (en) 1987-07-06 1987-12-21 Locking apparatus of lazer pick-up unit in the cdp

Country Status (2)

Country Link
JP (1) JPH0437289Y2 (en)
KR (1) KR910001341Y1 (en)

Also Published As

Publication number Publication date
KR910001341Y1 (en) 1991-02-28
JPH0437289Y2 (en) 1992-09-02
JPS648218U (en) 1989-01-18

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Legal Events

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

Payment date: 20020110

Year of fee payment: 12

EXPY Expiration of term