KR870010500A - 광학 픽업 - Google Patents

광학 픽업 Download PDF

Info

Publication number
KR870010500A
KR870010500A KR870003309A KR870003309A KR870010500A KR 870010500 A KR870010500 A KR 870010500A KR 870003309 A KR870003309 A KR 870003309A KR 870003309 A KR870003309 A KR 870003309A KR 870010500 A KR870010500 A KR 870010500A
Authority
KR
South Korea
Prior art keywords
optical pickup
polyester
optical system
setting block
block
Prior art date
Application number
KR870003309A
Other languages
English (en)
Other versions
KR900008406B1 (ko
Inventor
쓰네요시 오까다
야수유끼 다께다
Original Assignee
아사노 다께시
폴리플라스틱스 가부시끼가이샤
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 아사노 다께시, 폴리플라스틱스 가부시끼가이샤 filed Critical 아사노 다께시
Publication of KR870010500A publication Critical patent/KR870010500A/ko
Application granted granted Critical
Publication of KR900008406B1 publication Critical patent/KR900008406B1/ko

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L77/00Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
    • C08L77/10Polyamides derived from aromatically bound amino and carboxyl groups of amino-carboxylic acids or of polyamines and polycarboxylic acids
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L67/00Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
    • C08L67/02Polyesters derived from dicarboxylic acids and dihydroxy compounds
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L77/00Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
    • C08L77/12Polyester-amides
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/08Disposition or mounting of heads or light sources relatively to record carriers
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/12Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/12Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/22Apparatus or processes for the manufacture of optical heads, e.g. assembly

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Head (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)

Abstract

내용 없음

Description

광학 픽업
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명에 따른 광학 픽업에 대한 광한 시스템 셋팅블록의 일례의 측면도
제2도는 제1도에 대한 정면도.

Claims (3)

  1. 광학 픽업에 있어서,
    용융상태에 있고, 용해 처리할 수 있는 비등방성 페이저를 형성할 능력이 있는 폴리에스테르로부터 성형된 광학시스템 셋팅 블록을 포함하는 광학 픽업.
  2. 청구범위 제1항에 있어서,
    시스템들에 대한 구성요소들을 위치하기 위한 주 광학 시스템, 부 광학 시스템 및 셋팅 블록을 포함하고, 상기 블록이 상기 폴리에스테르로 만들어 졌었던 광학 픽업.
  3. 청구범위 제1항 또는 제2항에 있어서,
    상기 폴리에스테르가 무기 충전재를 포함하는 광학 픽업.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019870003309A 1986-04-07 1987-04-07 광학기용 픽업 KR900008406B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP61079582A JP2683337B2 (ja) 1986-04-07 1986-04-07 光ピツクアツプ
JP79582 1986-04-07
JP86-79582 1986-04-07

Publications (2)

Publication Number Publication Date
KR870010500A true KR870010500A (ko) 1987-11-30
KR900008406B1 KR900008406B1 (ko) 1990-11-20

Family

ID=13693977

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019870003309A KR900008406B1 (ko) 1986-04-07 1987-04-07 광학기용 픽업

Country Status (4)

Country Link
JP (1) JP2683337B2 (ko)
KR (1) KR900008406B1 (ko)
GB (1) GB2190094B (ko)
SG (1) SG36590G (ko)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02113817U (ko) * 1989-02-22 1990-09-12
JPH08220407A (ja) * 1995-02-17 1996-08-30 Toray Ind Inc 光ピックアップレンズホルダー
JP5066861B2 (ja) * 2006-02-07 2012-11-07 住友化学株式会社 液晶ポリエステルおよびその溶液組成物

Also Published As

Publication number Publication date
JP2683337B2 (ja) 1997-11-26
GB2190094B (en) 1990-02-28
JPS62236143A (ja) 1987-10-16
SG36590G (en) 1990-08-17
GB2190094A (en) 1987-11-11
KR900008406B1 (ko) 1990-11-20
GB8708157D0 (en) 1987-05-13

Similar Documents

Publication Publication Date Title
CA2006505A1 (en) Paging by text matching
KR940015918A (ko) 오디오/비디오 시스템
DE69003117D1 (de) Schwingungsdämpfendes Lagersystem.
KR840004589A (ko) 포지티브형(positive type) 감광성 내식막 조성물
IT8322886A0 (it) Dispositivo d'idrottero stabilizzato da impennaggio, e veicolo nautico munito di tale dispositivo.
KR910010320A (ko) 확장 유닛이 접속 가능한 컴퓨터 시스템에 있어서의 리쥼 처리 제어방법 및 시스템
KR870010500A (ko) 광학 픽업
KR880002319A (ko) 게인 제어 앰프
KR910013252A (ko) 픽업유니트의 록킹장치
DE69111477D1 (de) Photosatzverfahren und -system.
KR890000904A (ko) 렌즈
KR920017803A (ko) 유리
DE3770291D1 (de) Laserbedrohungswarnungssystem.
KR870009335A (ko) 트랙킹 제어 장치
KR900015096A (ko) 드럼 서보 회로
KR920004230A (ko) 이륜승용차 조립식 확대 짐받이, 제작 사용 방법
KR880013490A (ko) 함성수지 갓
KR890003308A (ko) 쑥을 사용한 흡연초 쑥권연
KR910005124A (ko) 객실온도 자동제어방법
KR910012852A (ko) 전자기기의 원타치 블럭 스텝 제어방법
KR870003394A (ko) 액체를 이용한 볼록렌즈
KR850000323A (ko) 자동차 운행 경보장치
KR890001361A (ko) 고체촬상 카메라
KR910008240A (ko) 아스팔트(asphalt) 방수공법
KR850000058A (ko) 우툴두툴하고 오목하게 들어간 빨래판

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
G160 Decision to publish patent application
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20001116

Year of fee payment: 11

LAPS Lapse due to unpaid annual fee