KR890016519A - 광학식 기록장치 - Google Patents

광학식 기록장치 Download PDF

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Publication number
KR890016519A
KR890016519A KR1019890004734A KR890004734A KR890016519A KR 890016519 A KR890016519 A KR 890016519A KR 1019890004734 A KR1019890004734 A KR 1019890004734A KR 890004734 A KR890004734 A KR 890004734A KR 890016519 A KR890016519 A KR 890016519A
Authority
KR
South Korea
Prior art keywords
acoustooptic deflector
deflector
modulated laser
laser lights
recording medium
Prior art date
Application number
KR1019890004734A
Other languages
English (en)
Inventor
다다시 오즈에
마사히꼬 자야
다쯔야 나라하다
Original Assignee
오오가 노리오
소니 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 오오가 노리오, 소니 가부시끼가이샤 filed Critical 오오가 노리오
Publication of KR890016519A publication Critical patent/KR890016519A/ko

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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
    • 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
    • G11B7/14—Heads, e.g. forming of the optical beam spot or modulation of the optical beam specially adapted to record on, or to reproduce from, more than one track simultaneously
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/29—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the position or the direction of light beams, i.e. deflection
    • G02F1/33—Acousto-optical deflection devices
    • 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
    • G11B7/002—Recording, reproducing or erasing systems characterised by the shape or form of the carrier
    • G11B7/003—Recording, reproducing or erasing systems characterised by the shape or form of the carrier with webs, filaments or wires, e.g. belts, spooled tapes or films of quasi-infinite extent
    • G11B7/0031—Recording, reproducing or erasing systems characterised by the shape or form of the carrier with webs, filaments or wires, e.g. belts, spooled tapes or films of quasi-infinite extent using a rotating head, e.g. helicoidal recording
    • 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

Abstract

내용 없음

Description

광학식 기록장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제 1 도는 본 밞영의 광학식 기록 장치의 원리를 도시하는 주요부분의 배치도. 제 2 도는 본 발명의 다른 실시예를 도시하는 주요부분의 배치도. 제3a도, 3b도는 회전 드럼으로 주사가 가능하도록한 본 발명의 실시예를 도시하는 부품의 설치도.

Claims (4)

  1. 레이저 광이 입사되어 있는 음향 광학 편향기와, 상기 음향 광학 편향기의 여진 전극에 공급되어 있는 단일 주파수로 형성되는 2이상의 교류 신호와, 상기 2 이상의 교류 신호를 각각 기록 정보에 의거하여 단속 제어하는 변조기를 구비하여, 상기 음향 광학 편향기에 입사되어 있는 상기 레이저 광이 2이상의 변조 레이저 광으로서 기록 매체에 조사되도록 구성한 것을 특징으로 하는 광학식 기록장치.
  2. 제 1 항에 있어서, 음향 광학 편향기에서 출력되는 2이상의 변조 레이저 광이 기록 매체에 대해서 소정의 진폭으로 주사 인출되도록 되어 있는 것을 특징으로 하는 광학식 기록 장치.
  3. 제 1 항에 있어서, 음향 광학 편향기에서 출력되는 2 이상의 변조레이저 광이 그 편향 방향과 직교하는 제 2 의 음향 광학 편향기에 의해 주사되도록 구성되어 있는 것을 특징으로 하는 광학식 기록장치.
  4. 제 1 항에 있어서, 음향 광학 편향기에서 출력되어 있는 2 이상의 변조 레이저 광이 회전 드럼에 의해 기록 매체를 주사하도록 구성이 되어 있는 것을 특징으로 하는 광학식 기록장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019890004734A 1988-04-15 1989-04-11 광학식 기록장치 KR890016519A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP63-91283 1988-04-15
JP63091283A JPH01263953A (ja) 1988-04-15 1988-04-15 光学式記録装置

Publications (1)

Publication Number Publication Date
KR890016519A true KR890016519A (ko) 1989-11-29

Family

ID=14022133

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019890004734A KR890016519A (ko) 1988-04-15 1989-04-11 광학식 기록장치

Country Status (6)

Country Link
US (1) US5157650A (ko)
JP (1) JPH01263953A (ko)
KR (1) KR890016519A (ko)
DE (1) DE3912208A1 (ko)
FR (1) FR2630245B1 (ko)
GB (1) GB2217510B (ko)

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JPH04104216A (ja) * 1990-08-24 1992-04-06 Hitachi Koki Co Ltd 光走査装置
JP2738785B2 (ja) * 1991-06-27 1998-04-08 三菱電機株式会社 光磁気記録再生装置
KR930009220B1 (ko) * 1991-08-20 1993-09-24 주식회사 금성사 광학기기의 옵티컬 픽-업장치
KR930012147B1 (ko) * 1991-10-23 1993-12-24 삼성전자 주식회사 광테이프의 기록 및/또는 재생장치
CA2134325C (en) * 1992-05-01 2000-01-25 John D. Boardman High data rate optical tape recorder
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WO1995016988A1 (en) * 1993-12-15 1995-06-22 Philips Electronics N.V. Optical scanning means
FR2797514B3 (fr) * 1999-08-10 2001-10-12 Thomson Csf Dispositif de lecture magneto-optique pour bandes magnetiques multipistes
DE10062683A1 (de) * 2000-12-15 2002-06-20 Heidelberger Druckmasch Ag Mehrstrahl-Abtastvorrichtung
US6838661B2 (en) 2002-03-08 2005-01-04 Lexmark International, Inc. Torsion oscillator stabilization including maintaining the amplitude of the oscillator without changing its drive frequency
US6987595B2 (en) * 2002-12-23 2006-01-17 Lexmark International, Inc. Oscillator imaging with control of media speed and modulation frequency
US7321379B2 (en) * 2002-12-23 2008-01-22 Lexmark International, Inc. Galvonometric scanning and imaging with multiple beams reflected from an oscillator
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US6995357B2 (en) * 2002-12-23 2006-02-07 Lexmark International, Inc. Device for determining position and movement of scanning laser beam
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Also Published As

Publication number Publication date
US5157650A (en) 1992-10-20
JPH01263953A (ja) 1989-10-20
GB2217510A (en) 1989-10-25
GB8907484D0 (en) 1989-05-17
FR2630245B1 (fr) 1995-08-04
GB2217510B (en) 1992-01-29
FR2630245A1 (fr) 1989-10-20
DE3912208A1 (de) 1989-10-26

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A201 Request for examination
E902 Notification of reason for refusal
E601 Decision to refuse application