JPH02128225U - - Google Patents

Info

Publication number
JPH02128225U
JPH02128225U JP1990031141U JP3114190U JPH02128225U JP H02128225 U JPH02128225 U JP H02128225U JP 1990031141 U JP1990031141 U JP 1990031141U JP 3114190 U JP3114190 U JP 3114190U JP H02128225 U JPH02128225 U JP H02128225U
Authority
JP
Japan
Prior art keywords
information carrier
optical information
magneto
sliding body
reading device
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
JP1990031141U
Other languages
English (en)
Other versions
JP2552492Y2 (ja
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 filed Critical
Publication of JPH02128225U publication Critical patent/JPH02128225U/ja
Application granted granted Critical
Publication of JP2552492Y2 publication Critical patent/JP2552492Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
    • G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
    • G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
    • G11B11/1055—Disposition or mounting of transducers relative to record carriers
    • G11B11/10556—Disposition or mounting of transducers relative to record carriers with provision for moving or switching or masking the transducers in or out of their operative position
    • G11B11/10567—Mechanically moving the transducers
    • G11B11/10571—Sled type positioners
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/02—Control of operating function, e.g. switching from recording to reproducing
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
    • G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
    • G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
    • G11B11/10532—Heads
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
    • G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
    • G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
    • G11B11/1055—Disposition or mounting of transducers relative to record carriers
    • G11B11/10556—Disposition or mounting of transducers relative to record carriers with provision for moving or switching or masking the transducers in or out of their operative position
    • G11B11/10573—Control of relative positioning of the magnetic and optical transducers, e.g. to move simultaneously

Description

【図面の簡単な説明】
第１図は本考案による装置の第１実施例の図式
的側面図であり、第２図は第１図に示した実施例
の平面図であり、第３図は第１図の〜線にお
ける矢視断面図であり、第４図は本考案による装
置の第２実施例の一部を示す図式的側面図であり
、第４Ａ図はこの第２実施例の一部分を示す側面
図であり、第４Ｂ図は第４Ａ図に示した部分の平
面図であり、第５図は本考案による装置の第３実
施例の一部を示す図式的側面図であり、第６図は
本考案による装置の第４実施例の図式的側面図で
あつて、第７図は第６図に示した実施例の平面図
である。 １……枠、３……捕助枠、５……回転台、５ａ
……保持面、７……磁気光学的情報担体、９，８
７……電動機、１１……回転軸、１３，１５，５
３，５５……案内スピンドル、１７，５７……摺
動体、１９……光学ユニツト、２１……対物鏡、
２３……光軸、２５，１０１，１０３……リニア
モータ、２７……固定子、２９……電機子、３１
……中央固定子板、３２……端板、３３，１０５
……磁石、３５……電機子コイル、３７……光学
定規、３９……発光器と受光器とのセツト、４３
……旋回軸、４５……軸、４７，４９……ジヤー
ナル、５１……接続部材、５６……停止素子、５
９……磁気ユニツト、６１……バナナ形部材、６
３……磁気軸、６５……留め金、６７，７１……
摺動部材、６９……開口、７３……デイスク押し
付け部材、７５……蝶番構造、７７……中央の細
長い部分、７９，８１……端部、８３ａ，８３ｂ
，８５ａ，８５ｂ……弾性蝶番、８８……電動機
軸、８９……伝達機構、９１……駆動軸、９３，
９５……ピニオン軸、９７，９９……ギヤラツク
、１０７……固定子継鉄、１０９……コイル、１
１１……増分測定定規、１１３……光学距離計、
１１７……反射面。

Claims (1)

  1. 【実用新案登録請求の範囲】 １ 情報担体支持用の回転軸の周りを回転できる
    回転台を有する枠と、 焦点合わせ平面に少なくとも１個の放射点の形
    成するための放射線集中用対物鏡を含む光学ユニ
    ツトとを具えている摺動体と、 枠上に配置された摺動体用直線案内手段および
    摺動体駆動ユニツトと、および 前記回転軸の方向から見て光学ユニツトと対向
    し且つ光学ユニツトから離れて置かれた、前記焦
    点合わせ平面へ延在する磁束を発生させるための
    可動磁気ユニツトと、 を具えた磁気光学的情報担体書き込み・読み取
    り装置において、 この装置は更に枠へ固定され且つ枠に対して動
    き得るように支持された補助枠と磁気ユニツトが
    固定された別の摺動体とを具え、この補助枠はこ
    の別の摺動体用の別の直線案内手段を設けられて
    おり、この別の直線案内手段は、少なくとも動作
    中は、最初に述べた摺動体用の直線案内手段と平
    行に延在することを特徴とする磁気光学的情報担
    体書き込み・読み出し装置。 ２ 前記補助枠は旋回できるように枠へ固定され
    たことを特徴とする請求項１記載の磁気光学的情
    報担体書き込み・読み取り装置。 ３ 前記装置がこれらの摺動体を互いに結合する
    ための結合手段を具えることを特徴とする請求項
    １または２記載の磁気光学的情報担体書き込み・
    読み出し装置。 ４ 前記結合手段が、一方の摺動体上に配置され
    た突出部材と、前記突出部材と協働するように他
    方の摺動体上に配置された留め金とを具えること
    を特徴とする請求項３記載の磁気光学的情報担体
    書き込み・読み取り装置。 ５ 前記結合手段が両方の摺動体へ固定された蝶
    番構造を具えることを特徴とする請求項３記載の
    磁気光学的情報担体書き込み・読み取り装置。 ６ 前記結合手段が摺動体駆動ユニツトと協働す
    る伝達機構を具えることを特徴とする請求項３記
    載の磁気光学的情報担体書き込み・読み取り装置
    。 ７ 動作中回転台上へ情報担体を押し付けるため
    の押し付け部材を具える前記装置において、該押
    し付け部材が補助枠へ固定されていることを特徴
    とする前記請求項のうちいずれか１項記載の磁気
    光学的情報担体書き込み・読み取り装置。
JP1990031141U 1989-03-28 1990-03-28 磁気光学的情報担体書き込み・読み取り装置 Expired - Lifetime JP2552492Y2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8900751 1989-03-28
NL8900751A NL8900751A (nl) 1989-03-28 1989-03-28 Inrichting voor het inschrijven en/of uitlezen van een magneto-optische informatiedrager.

Publications (2)

Publication Number Publication Date
JPH02128225U true JPH02128225U (ja) 1990-10-23
JP2552492Y2 JP2552492Y2 (ja) 1997-10-29

Family

ID=19854364

Family Applications (2)

Application Number Title Priority Date Filing Date
JP1990031141U Expired - Lifetime JP2552492Y2 (ja) 1989-03-28 1990-03-28 磁気光学的情報担体書き込み・読み取り装置
JP2077141A Pending JPH02285541A (ja) 1989-03-28 1990-03-28 磁気―光学情報キャリヤの書込および／または読出装置

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2077141A Pending JPH02285541A (ja) 1989-03-28 1990-03-28 磁気―光学情報キャリヤの書込および／または読出装置

Country Status (10)

Country Link
EP (2) EP0390263B1 (ja)
JP (2) JP2552492Y2 (ja)
KR (1) KR900015116A (ja)
CZ (1) CZ280054B6 (ja)
DE (2) DE69022456T2 (ja)
ES (2) ES2079428T3 (ja)
HK (2) HK169496A (ja)
NL (1) NL8900751A (ja)
RU (1) RU2068201C1 (ja)
SK (1) SK278531B6 (ja)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0340250A (ja) * 1989-07-06 1991-02-21 Matsushita Electric Ind Co Ltd 光磁気ディスクおよび光磁気ディスク装置
NL9001546A (nl) * 1990-07-06 1992-02-03 Philips Nv Inrichting voor het inschrijven en/of uitlezen van een magneto-optische informatiedrager.
JP3393655B2 (ja) * 1992-02-27 2003-04-07 パイオニア株式会社 光ディスクプレーヤ
BRPI0710033B1 (pt) * 2006-03-29 2018-12-26 Panasonic Intellectual Property Management Co., Ltd. cabeçote óptico, dispositivo de cabeçote, dispositivo de informação óptica e sistema de informação óptica
CN111624171B (zh) * 2020-05-07 2023-08-11 北京空间机电研究所 一种低温真空大光程高灵敏度直线扫描装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61133069A (ja) * 1984-12-03 1986-06-20 Olympus Optical Co Ltd バイアス磁界印加装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6466848A (en) * 1987-09-07 1989-03-13 Hitachi Ltd Magneto-optical recording/reproducing device
JPS6468814A (en) * 1987-09-10 1989-03-14 Canon Kk Method and device for position control of moving object

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61133069A (ja) * 1984-12-03 1986-06-20 Olympus Optical Co Ltd バイアス磁界印加装置

Also Published As

Publication number Publication date
NL8900751A (nl) 1990-10-16
EP0390259B1 (en) 1995-09-20
JP2552492Y2 (ja) 1997-10-29
HK169496A (en) 1996-09-20
SK278531B6 (en) 1997-09-10
DE69022456D1 (de) 1995-10-26
RU2068201C1 (ru) 1996-10-20
DE69022456T2 (de) 1996-04-25
CZ280054B6 (cs) 1995-10-18
EP0390263A1 (en) 1990-10-03
JPH02285541A (ja) 1990-11-22
KR900015116A (ko) 1990-10-26
ES2079428T3 (es) 1996-01-16
EP0390263B1 (en) 1995-09-20
DE69022458T2 (de) 1996-04-25
ES2079430T3 (es) 1996-01-16
EP0390259A1 (en) 1990-10-03
DE69022458D1 (de) 1995-10-26
HK168896A (en) 1996-09-20
CS142490A3 (en) 1992-06-17

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