JPH02113817U - - Google Patents

Info

Publication number
JPH02113817U
JPH02113817U JP1989018931U JP1893189U JPH02113817U JP H02113817 U JPH02113817 U JP H02113817U JP 1989018931 U JP1989018931 U JP 1989018931U JP 1893189 U JP1893189 U JP 1893189U JP H02113817 U JPH02113817 U JP H02113817U
Authority
JP
Japan
Prior art keywords
optical
casing
optical head
information recording
reproducing 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.)
Pending
Application number
JP1989018931U
Other languages
English (en)
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
Priority to JP1989018931U priority Critical patent/JPH02113817U/ja
Priority to US07/480,016 priority patent/US5107409A/en
Priority to EP90301569A priority patent/EP0385609A1/en
Priority to CA002010317A priority patent/CA2010317A1/en
Publication of JPH02113817U publication Critical patent/JPH02113817U/ja
Pending legal-status Critical Current

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
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)

Description

【図面の簡単な説明】
第１図はこの考案の一実施例による光学ヘツド
の分解斜視図、第２図は第１図の全体構成分解斜
視図、第３図及び第４図はこの考案の他の実施例
を示す筐体及び制動材を貼布、充填したその筐体
の斜視図、第５図及び第６図はこの考案の更に他
の実施例を示す筐体及び制動材を貼布、充填した
その筐体の斜視図、第７図及び第８図はこの考案
の更に又他の実施例の筐体及び制動材を貼布、充
填したその筐体の斜視図、第９図は第８図に示す
堀状部分の制動材の作用を説明するための説明図
、第１０図は従来の光学ヘツドの全体構成を示す
分解斜視図、第１１図は第１０図の光学部品の組
込み方を示した分解斜視図、第１２図は第１０図
の筐体の機械共振を示す１例の線図でＡは周波数
に対するゲイン関係図、Ｂは周波数に対する位相
の関係図である。 １〜１０……光学素子、１１，２２，２５，２
８……筐体、２１，２４，２７，２９……制動材
、２３，２６……空隙部、２８ａ，２８ｃ……筐
体壁部分、２８ｂ，２８ｄ……堀状部分。なお、
各図中、同一符号は同一又は相当部分を示す。

Claims (1)

    【実用新案登録請求の範囲】
  1. 発光素子を含む複数個の光学素子からなる光学
    系と、上記光学素子の少なくとも１部を装着保持
    する筐体とを有する光学式情報記録再生装置用光
    学ヘツドにおいて、上記筐体の空隙部、筐体表面
    及び筐体壁部分に設けられた堀状部分の少なくと
    もいずれかに振動を抑制する制動材を充填若しく
    は貼付していることを特徴とする光学式情報記録
    再生装置用光学ヘツド。
JP1989018931U 1989-02-22 1989-02-22 Pending JPH02113817U (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP1989018931U JPH02113817U (ja) 1989-02-22 1989-02-22
US07/480,016 US5107409A (en) 1989-02-22 1990-02-13 Optical head for optical information recording/reproducing apparatus
EP90301569A EP0385609A1 (en) 1989-02-22 1990-02-14 Optical head for optical information recording/reproducing apparatus
CA002010317A CA2010317A1 (en) 1989-02-22 1990-02-19 Optical head for optical information recording/reproducing apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989018931U JPH02113817U (ja) 1989-02-22 1989-02-22

Publications (1)

Publication Number Publication Date
JPH02113817U true JPH02113817U (ja) 1990-09-12

Family

ID=11985385

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989018931U Pending JPH02113817U (ja) 1989-02-22 1989-02-22

Country Status (4)

Country Link
US (1) US5107409A (ja)
EP (1) EP0385609A1 (ja)
JP (1) JPH02113817U (ja)
CA (1) CA2010317A1 (ja)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04121833A (ja) * 1990-09-13 1992-04-22 Canon Inc 分離型光学ヘッド
DE69217810T2 (de) * 1991-10-12 1997-10-09 Sumitomo Spec Metals Verfahren zur Herstellung eines warmleitenden Materials
US5579176A (en) * 1993-04-30 1996-11-26 Olympus Optical Co., Ltd. Optical system supporting device with flowable damping material
DE69836003T2 (de) * 1997-08-27 2007-05-10 NHK Spring Co., Ltd., Yokohama Stellglied für eine Objektivlinse
TW560676U (en) * 2002-02-08 2003-11-01 Lite On It Corp Suspension vibration-isolation device of slim-type optical disk driver
US20050128749A1 (en) * 2003-12-12 2005-06-16 Wilson Jeffrey D. Hand-held stabilized laser pointer

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5483848A (en) * 1977-12-16 1979-07-04 Mitsubishi Electric Corp Automatic focusing device
US4571715A (en) * 1982-02-22 1986-02-18 Nippon Telegraph & Telephone Public Corporation Optical head movable in a tracking direction
US4578103A (en) * 1984-11-23 1986-03-25 Glasstech, Inc. Glass sheet processing system including topside transfer apparatus
JP2683337B2 (ja) * 1986-04-07 1997-11-26 ポリプラスチックス 株式会社 光ピツクアツプ
JPS6315661A (ja) * 1986-07-03 1988-01-22 Secoh Giken Inc リラクタンス型回転機

Also Published As

Publication number Publication date
US5107409A (en) 1992-04-21
CA2010317A1 (en) 1990-08-22
EP0385609A1 (en) 1990-09-05

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