JPS62223822A - Objective lens driving device - Google Patents
Objective lens driving deviceInfo
- Publication number
- JPS62223822A JPS62223822A JP6637186A JP6637186A JPS62223822A JP S62223822 A JPS62223822 A JP S62223822A JP 6637186 A JP6637186 A JP 6637186A JP 6637186 A JP6637186 A JP 6637186A JP S62223822 A JPS62223822 A JP S62223822A
- Authority
- JP
- Japan
- Prior art keywords
- lens
- bearing
- lens holder
- objective lens
- support shaft
- 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
Links
- 239000000463 material Substances 0.000 claims abstract description 8
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 8
- 239000010935 stainless steel Substances 0.000 claims abstract description 8
- 239000004033 plastic Substances 0.000 claims abstract description 4
- 229920003023 plastic Polymers 0.000 claims abstract description 4
- 230000003287 optical effect Effects 0.000 claims description 10
- 239000004734 Polyphenylene sulfide Substances 0.000 claims description 3
- 229920000069 polyphenylene sulfide Polymers 0.000 claims description 3
- 239000011347 resin Substances 0.000 abstract description 5
- 229920005989 resin Polymers 0.000 abstract description 5
- 230000003746 surface roughness Effects 0.000 abstract description 5
- 238000000465 moulding Methods 0.000 abstract description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 abstract 2
- 229910052731 fluorine Inorganic materials 0.000 abstract 2
- 239000011737 fluorine Substances 0.000 abstract 2
- 230000000694 effects Effects 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 229920006351 engineering plastic Polymers 0.000 description 2
- 206010010071 Coma Diseases 0.000 description 1
- 206010027146 Melanoderma Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002747 voluntary effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Lens Barrels (AREA)
- Optical Recording Or Reproduction (AREA)
Abstract
Description
【発明の詳細な説明】
〔匿業上の利用分野〕
本発明は対物レンズ駆動装置、特に光学式ディスクの情
報記録面に集光される光スポットの黒点ずれ及びトラッ
クずれを検矧し、その倹知遇に応じて対物レンズの立置
を部ｊ御する対Ｉ勿しンズ北区動装置の改良に関するも
のである。[Detailed Description of the Invention] [Field of Confidential Application] The present invention is an objective lens drive device, in particular, a system for measuring black spot deviation and track deviation of a light spot focused on the information recording surface of an optical disk. This invention relates to an improvement in a lens moving device for controlling the upright positioning of an objective lens according to prudent circumstances.
従来の対物レンズ駆動装置を図面に基づいて説明する。 A conventional objective lens driving device will be explained based on the drawings.
第４図乃至第６図は従来の対物レンズ駆動装置を示すも
のであり、（２）は基盤（１）に垂設された支軸であり
、（３）は前記支軸（２）に回転かつ軸線方向に摺動自
在に嵌着されたレンズホルダである。Figures 4 to 6 show a conventional objective lens drive device, in which (2) is a support shaft vertically installed on the base (1), and (3) is a shaft that rotates on the support shaft (2). The lens holder is fitted so as to be slidable in the axial direction.
そして、前記レンズホルダ（３）は、支軸（２）の軸線
方向と平行な光軸を有する対物レンズ（４）を保持する
レンズ保持板（３ａ）と、焦点制御用コ′イル（６）を
巻着するリング部（３ｂ）とからなり、前記レンズ保持
部（３ａ）の中心には筒状軸受（５）が固着されている
。The lens holder (3) includes a lens holding plate (3a) that holds an objective lens (4) having an optical axis parallel to the axial direction of the support shaft (2), and a focus control coil (6). A cylindrical bearing (5) is fixed to the center of the lens holding part (3a).
また、前記レンズホルダのリング部（３ｂ）に巻着され
た焦点制御用コイル（６）の外周には略等間隔にトラッ
ク制御用コイル（７ａ）、（７ｂ）。Also, track control coils (7a) and (7b) are provided at approximately equal intervals around the outer circumference of the focus control coil (6) wound around the ring portion (3b) of the lens holder.
（７ｃ）、（７ａ）が貼着されている。両制御用コイル
（６）＝ （７ａ）−（７ｂ）ｔ （７ｃ）ｅ （
７ｄ）に対向して、基盤（９）上に支軸（２）を中心と
したセグメント形状の永久磁石（８ａ）、（８ｂ）が設
けられている。そして、（９ａ）、（９ｂ）は前記永久
磁石（８ａ）＝ （８ｂ）と同形の該永久磁石上に設け
られた外周ヨークであり、（Ｌ Ｏａ ） ｔ（ｔｕｂ
）は、基盤上に永久磁石（８ａ）＝ （８ｂ）に対向配
置された内周ヨークであり、（１１）はギャップである
。(7c) and (7a) are attached. Both control coils (6) = (7a) - (7b)t (7c)e (
7d), segment-shaped permanent magnets (8a) and (8b) are provided on the base (9) with the support shaft (2) as the center. And (9a) and (9b) are outer circumferential yokes provided on the permanent magnets having the same shape as the permanent magnets (8a) = (8b), and (L Oa ) t(tub
) is an inner circumferential yoke disposed on the base to face the permanent magnets (8a)=(8b), and (11) is a gap.
（１２）は対向レンズ（４）と対向し、内周ヨーク（Ｌ
Ｏａ）、（ＬＯｂ）に！役された穴である。(12) faces the opposing lens (4), and the inner yoke (L
Oa), (LOb)! It is a well-used hole.
そして、前記支軸（２）はステンレスの表面にフッ素樹
脂等の低摩擦係数の材料がコーティングされている。The support shaft (2) is made of stainless steel and its surface is coated with a material having a low coefficient of friction such as fluororesin.
また、前記筒犬軸受（５）はアルミニウムなどから形成
されている。Further, the tube dog bearing (5) is made of aluminum or the like.
次に動作について説明する。光学装置から出射された光
ビーム（図示せず）は穴（１２）を通して対ノ吻レンズ
（４）に入射され、該対物レンズ（４）で絞った光スポ
ット（図示せず）をディスク（図示せず）上のｉｔ報記
＠酊に照射し、情報を光学的に読み出し又は記録する。Next, the operation will be explained. A light beam (not shown) emitted from the optical device is incident on an objective lens (4) through a hole (12), and a light spot (not shown) focused by the objective lens (4) is focused on a disk (not shown). (not shown) to optically read or record information.
前記光スポットのディスクに対する焦点ずれ及びトラッ
クずれは、光検知器（図示せず）によって検出され、そ
の検出量に応じて焦点制御用コイル（６）及びトラック
制御用コイル（７ａ）、（７ｂ）。The focus deviation and track deviation of the light spot with respect to the disk are detected by a photodetector (not shown), and depending on the detected amount, a focus control coil (6) and track control coils (7a) and (7b) are activated. .
（７ｃ）、（７ａ）にそれぞれ所望の電流が流れる。Desired currents flow through (7c) and (7a), respectively.
そして、両制御用コイルに対向して基盤（９）に配置さ
れた永久磁石（８ａ）、 （８ｂ）及びヨーク（９ａ）
＝ （９ｂ）−（ＬＯａ）−（ｔｕｂ）によって形成さ
れた＠路中に名流が流れ、電磁、ｇＦｉｈ力が生じ、レ
ンズホルダ（２）は、矢印入方向に回動しトラック制−
を青ない、また、矢印Ｂ方向にＭ動して焦点制、・卸を
行なう。Permanent magnets (8a), (8b) and a yoke (9a) are placed on the base (9) facing both control coils.
A current flows in the @ path formed by = (9b) - (LOa) - (tub), electromagnetic force and gFih force are generated, and the lens holder (2) rotates in the direction of the arrow and tracks control -
Also, move M in the direction of arrow B to perform focus control and wholesale.
詑釆における対物レンズ駆動装置は以上のように構成さ
れているので、アルミニウム製の筒状軸受ヲレンズホル
ダに固定するｄに、軸受とレンズホルダのレンズ保持板
の亘父度がでにぐいという問題点があった。Since the objective lens driving device in the case is constructed as described above, there is a problem in that the aluminum cylindrical bearing is fixed to the lens holder, and the tightness between the bearing and the lens holding plate of the lens holder is insufficient. was there.
つまり、前記軸受とレンズ保持板が垂設されてい１よい
と、対Ｊレンズに入射する光ビームの光軸が対物レンズ
の光軸に対し頑いて入射するために、対物レンズにコマ
収差等が発生し光学的な特性を劣化させる原因となる。In other words, if the bearing and the lens holding plate are vertically arranged, the optical axis of the light beam incident on the J lens will be firmly incident on the optical axis of the objective lens, so that coma aberration etc. will occur in the objective lens. This occurs and causes deterioration of optical characteristics.
また、基盤に垂設された支軸は、その表面にフッ素樹脂
等をコーティングしているために、支軸の軸径がばらつ
き、軸受との嵌合状態が不適正なものが生じ、光学的特
性の劣化が生じるという問題点もあった。In addition, since the surface of the spindle installed vertically on the base is coated with fluororesin, etc., the shaft diameter of the spindle varies and the fitting condition with the bearing may be incorrect, resulting in optical problems. There was also the problem that characteristics deteriorated.
本発明は上記従来の問題に鑑みなされたものであり、そ
の目的は、光学的特性の劣化を無クシ、組み立てが容易
な構造の対物レンズ惠動装置を得ることを目的とする。The present invention has been made in view of the above-mentioned conventional problems, and an object thereof is to obtain an objective lens moving device that does not cause deterioration of optical characteristics and has a structure that is easy to assemble.
上記目的を達成するために、本発明は、レンズホルダを
ヤング率の高いエンジニアリングプラスチックで形成し
、軸受を低摩擦係数の樹脂から形成し、レンズホルダと
軸受を一体成形したものである。In order to achieve the above object, the present invention includes a lens holder made of an engineering plastic with a high Young's modulus, a bearing made of a resin with a low coefficient of friction, and the lens holder and the bearing integrally molded.
また、基盤に垂設した支軸は面粗度０．８ｓ位に仕上げ
られたステンレス等により形成し、その表面にはコーテ
ィングを施さない。Further, the support shaft vertically disposed on the base is made of stainless steel or the like with a surface roughness of about 0.8s, and its surface is not coated.
前述した構成から明らかなように、本発明によれば、レ
ンズホルダを軸受と一体成形したので、レンズホルダの
レンズ保持板と軸受部との直交度が出しやすい構造とな
る。As is clear from the above-mentioned configuration, according to the present invention, since the lens holder is integrally molded with the bearing, the structure is such that the lens holding plate of the lens holder and the bearing portion are easily perpendicular to each other.
更に、支軸にコーティングを施さないので、支軸の軸径
のばらつきがなくなり、支軸と軸受部の嵌合状態が向上
する。Furthermore, since no coating is applied to the support shaft, there is no variation in the diameter of the support shaft, and the fit between the support shaft and the bearing portion is improved.
以上のように、精度が向上し、更に組み立てが容易な対
物レンズ駆動を得ることが可能となる。As described above, it is possible to obtain an objective lens drive with improved accuracy and further ease of assembly.
以下図面に縞づいて本発明の好適な実施例を説明する。 Preferred embodiments of the present invention will be described below with reference to the drawings.
第１図乃至第３図には本発明に係る対物レンズ駆動装置
が示されており、（２）は基盤（１）に垂設された支軸
であり、（３）は前記支軸（２）に回転かつ軸線方向に
摺動自在に嵌着されたレンズホルダである。1 to 3 show an objective lens driving device according to the present invention, (2) is a support shaft vertically installed on the base (1), and (3) is the support shaft (2). ) is a lens holder that is rotatably and slidably fitted in the axial direction.
そして、前記レンズホルダ（３）は、支軸（２）の軸線
方向と平行な光軸を有する対物レンズ（４）を保持する
レンズ保持板（３ａ）と、焦点制御用コイル（６）を巻
着するリング部（３ｂ）と、レンズ保持板（３ａ）の中
央部に設けられた前記支軸（２）の軸受部（３ｃ）と、
かも形成されている。The lens holder (3) includes a lens holding plate (3a) that holds an objective lens (4) having an optical axis parallel to the axial direction of the support shaft (2), and a focus control coil (6) wound around the lens holding plate (3a). a ring portion (3b) for attaching the lens; a bearing portion (3c) for the support shaft (2) provided at the center of the lens holding plate (3a);
It is also formed.
また、前記レンズホルダのリング部（３ｂ）Ｋ巻着され
た焦点制御用コイル（６）の外周には略等間隔にトラッ
ク制御用コイル（７ａ）、（７ｂ）。Also, track control coils (7a) and (7b) are arranged at approximately equal intervals around the outer periphery of the focus control coil (6) wound around the ring part (3b) of the lens holder.
（７ｃ）、（７ａ）が貼着されている。両制御用コイル
（６）−（７ａ）＝ （７ｂ）−（７ｃ）、（７ｄ）
に対向して、基盤（９）上に支軸（２）を中心としたセ
グメント形状の永久磁石（８ａ）＝ （８ｂ）が設けら
れている。そして、（９ａ）、（９ｂ）は前記永久磁石
（８ａ）＝ （８ｂ）と同形の該永久磁石上に設けられ
た外周ヨークであり、（ＬＯａ）。(7c) and (7a) are attached. Both control coils (6) - (7a) = (7b) - (7c), (7d)
Segment-shaped permanent magnets (8a) = (8b) are provided on the base (9) to face the support shaft (2). And (9a) and (9b) are outer circumferential yokes provided on the permanent magnets having the same shape as the permanent magnets (8a)=(8b), (LOa).
（ｔａｂ）は、基盤上に永久磁石（８ａ）−（８ｂ）に
対向配置された内周ヨークであり、（１１）はキャップ
である。(tab) is an inner circumferential yoke disposed on the base to face the permanent magnets (8a) and (8b), and (11) is a cap.
（１２）は対物レンズ（４）と対向し、内周ヨーク（Ｌ
Ｏａ）、（１０ｂ） にス設された穴である。(12) faces the objective lens (4), and the inner yoke (L
Oa) and (10b) are the holes provided.
そして、第３図に示されるように、前記支軸（２）は面
粗度０．８ｓ位に仕上げられたステンレスから形成され
ており、前記レンズホルダはレンズ保持板（３ａ）と軸
受部（３ｃ）がポリフェニレンサルファイド樹脂により
一体成形され、軸受部（３ｃ）の前記支軸（２）を摺動
する摺動部（３Ｃｔ）がフッ素樹脂から形成されている
。As shown in FIG. 3, the support shaft (2) is made of stainless steel with a surface roughness of about 0.8s, and the lens holder consists of a lens holding plate (3a) and a bearing part ( 3c) is integrally molded from polyphenylene sulfide resin, and a sliding portion (3Ct) that slides on the support shaft (2) of the bearing portion (3c) is formed from fluororesin.
以上のように、レンズホルダ（３）を軸受と一体成形し
たことにより、レンズ保持板（３ａ）と軸受部（３ｃ）
の直交就を出しやすくなった。As described above, by integrally molding the lens holder (3) with the bearing, the lens holding plate (3a) and the bearing part (3c)
It has become easier to obtain the orthogonality of .
更に、レンズホルダ（３）の軸受摺動部（ａｃｔ）を低
摩擦係数材料であるフッ素樹脂から形成し、それ以外の
部分をヤング率の高いエンジニアプラスチックであるポ
リフェニレンサルファイドから形成しているので、ステ
ンレスからなる支軸（２）と軸受部（３ｃ）の摺動特性
が損われず精度の良い対物レンズ駆動装置を得ることが
できる。Furthermore, the bearing sliding part (act) of the lens holder (3) is made of fluororesin, which is a material with a low coefficient of friction, and the other parts are made of polyphenylene sulfide, which is an engineering plastic with a high Young's modulus. It is possible to obtain an objective lens drive device with high precision without impairing the sliding characteristics of the support shaft (2) made of stainless steel and the bearing portion (3c).
尚、上記実施例においては、支軸（２）の材料に、面粗
度０．８ｓのものを使用したが、面、互変は０．８８と
限定されない。In the above embodiment, a material with a surface roughness of 0.8s was used for the support shaft (2), but the surface roughness is not limited to 0.88.
以上説明したように、本発明によれば、レンズホルダと
軸受を一体成形し、レンズホルダの軸受摺動部は低摩擦
係枚の材料からなり、池の部分はヤング率の高いエンジ
ニアプラスチックから形成し、かつ、支軸はステンレス
から形成し、その表面にコーティングを施さないように
したので、前記軸受摺動部の摺動特性を損わずに、摺動
及び回動の中心となる軸受部分とレンズ保持板の直交、
度が出やすくなり、精度の良い対物レンズ駆動装置が低
価名で得ることができるという効果がある。As explained above, according to the present invention, the lens holder and the bearing are integrally molded, the bearing sliding part of the lens holder is made of a material with a low friction coefficient, and the pond part is made of an engineered plastic with a high Young's modulus. In addition, since the support shaft is made of stainless steel and its surface is not coated, the bearing part, which is the center of sliding and rotation, can be maintained without impairing the sliding characteristics of the bearing sliding part. and the perpendicularity of the lens holding plate,
This has the effect that it becomes easier to obtain power and that a highly accurate objective lens driving device can be obtained at a low price.
第１図は本発明に係る対物レンズ駆動装（ｄの好適な実
施例を示す平面図、第２図は第１図１１−１１線に沿う
断面図、第３図は第２図の要部の部分拡大図、第４図は
従来の対物レンズ駆動装置の分解斜視図、第５図は第４
図実施例の平面図、４６図は第５図のＶｌ −Ｖｌ線に
沿う断面図である。
図において、（１）は基盤、（２）は支軸、（３）ｄレ
ンズホルダ、（３ａ）はレンズ保持板、（３ｂ）はリン
グ部、（３ｃ）は軸受部、（４）は対物レンズ、（６）
は焦点制御コイル、（７）はトラック制御用コイルであ
る。
なお、図中、同一符号は同−又は相当部材を示す。
代理人 弁理士 大 岩 増 雄
（ほか２名）
第３図
第４図
第５図
第６図
手続補正書（自発）
１、事件の表示 特願昭 ６１−０６６３７１号対
物レンズ駆動装置
３、補正をする者
４買゛′
第１図
ス
ｓａ、ｓｂ：水ｊｊみに
第４図
第６図
＋（、）ＧFIG. 1 is a plan view showing a preferred embodiment of the objective lens driving device (d) according to the present invention, FIG. 2 is a sectional view taken along line 11-11 in FIG. FIG. 4 is an exploded perspective view of a conventional objective lens drive device, and FIG.
FIG. 46 is a plan view of the embodiment, and FIG. 46 is a sectional view taken along the line Vl--Vl in FIG. In the figure, (1) is the base, (2) is the support shaft, (3) d lens holder, (3a) is the lens holding plate, (3b) is the ring part, (3c) is the bearing part, and (4) is the objective. lens, (6)
(7) is a focus control coil, and (7) is a track control coil. In addition, in the drawings, the same reference numerals indicate the same or equivalent members. Agent Patent attorney Masuo Oiwa (and 2 others) Figure 3 Figure 4 Figure 5 Figure 6 Procedure amendment (voluntary) 1. Indication of the case Patent application No. 1983-066371 Objective lens drive device 3. Amendment Those who buy 4 ゛' Figure 1 Ssa, sb: Water jj Figure 4 Figure 6 + (,)G
Claims (4)
記支軸の軸線方向と平行な光軸を有するレンズを保持す
るレンズホルダと、このレンズホルダに取付けられ該レ
ンズホルダを回転かつ軸線方向に駆動する駆動装置とを
備え、前記レンズホルダを駆動して、前記レンズを介し
てディスクに集光される光スポットのトラックずれおよ
び焦点ずれを制御するようにした対物レンズ駆動装置に
おいて、前記レンズホルダはレンズを保持するレンズ保
持板と、前記支軸を嵌合する軸受部とを含み、前記レン
ズ保持板と軸受部とはヤング率の高いエンジニアプラス
チックにて一体成形され、前記軸受部には低摩擦係数の
材料からなる軸受部首を一体に固定したことを特徴とす
る対物レンズ駆動装置。(1) A lens holder that is rotatably and axially movably fitted onto a support shaft and holds a lens having an optical axis parallel to the axial direction of the support shaft; In an objective lens drive device, the objective lens drive device includes a drive device that drives in an axial direction, and drives the lens holder to control track deviation and defocus of a light spot focused on a disk via the lens, The lens holder includes a lens holding plate that holds a lens, and a bearing portion that fits the support shaft, and the lens holding plate and the bearing portion are integrally molded from an engineered plastic with a high Young's modulus, and the bearing portion An objective lens drive device characterized in that a bearing neck made of a material with a low coefficient of friction is fixed integrally.
部がフッ素樹脂から形成されていることを特徴とする特
許請求の範囲第（１）項記載の対物レンズ駆動装置。(2) The objective lens driving device according to claim (1), wherein the bearing sliding portion, which is a radical of the bearing portion of the lens holder, is made of fluororesin.
リフェニレンサルファイドから一体成形されていること
を特徴とする特許請求の範囲第（１）、（２）項記載の
対物レンズ駆動装置。(3) The objective lens driving device according to claims (1) and (2), wherein the lens holding plate and bearing portion of the lens holder are integrally molded from polyphenylene sulfide.
特徴とする特許請求の範囲第（１）乃至（３）項記載の
対物レンズ駆動装置。(4) The objective lens drive device according to any one of claims (1) to (3), wherein the support shaft is made of stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6637186A JPS62223822A (en) | 1986-03-25 | 1986-03-25 | Objective lens driving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6637186A JPS62223822A (en) | 1986-03-25 | 1986-03-25 | Objective lens driving device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62223822A true JPS62223822A (en) | 1987-10-01 |
Family
ID=13313902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6637186A Pending JPS62223822A (en) | 1986-03-25 | 1986-03-25 | Objective lens driving device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62223822A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01273232A (en) * | 1988-04-25 | 1989-11-01 | Canon Inc | Optical head device |
| FR2649238A1 (en) * | 1989-06-30 | 1991-01-04 | Atg Sa | DEVICE FOR ACCESSING AND SERVING OPTICAL DISK |
| EP0421771A2 (en) * | 1989-10-05 | 1991-04-10 | Canon Kabushiki Kaisha | Lens actuator |
| JPH04350609A (en) * | 1991-05-28 | 1992-12-04 | Mitsubishi Electric Corp | Objective lens driving device |
| US5285488A (en) * | 1989-09-21 | 1994-02-08 | Canon Kabushiki Kaisha | Exposure apparatus |
| JPH0768698A (en) * | 1992-03-30 | 1995-03-14 | Tac Syst Kk | Slide material wherein stainless steel panel and engineering plastic panel are laminated with thermosetting adhesive |
| US6492448B1 (en) | 1999-12-28 | 2002-12-10 | Dainippon Ink And Chemicals, Incorporated | Polyarylenesulfide resin composition |
| JP2007121679A (en) * | 2005-10-28 | 2007-05-17 | Konica Minolta Opto Inc | Optical member drive device |
-
1986
- 1986-03-25 JP JP6637186A patent/JPS62223822A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01273232A (en) * | 1988-04-25 | 1989-11-01 | Canon Inc | Optical head device |
| FR2649238A1 (en) * | 1989-06-30 | 1991-01-04 | Atg Sa | DEVICE FOR ACCESSING AND SERVING OPTICAL DISK |
| US5285488A (en) * | 1989-09-21 | 1994-02-08 | Canon Kabushiki Kaisha | Exposure apparatus |
| EP0421771A2 (en) * | 1989-10-05 | 1991-04-10 | Canon Kabushiki Kaisha | Lens actuator |
| JPH04350609A (en) * | 1991-05-28 | 1992-12-04 | Mitsubishi Electric Corp | Objective lens driving device |
| JPH0768698A (en) * | 1992-03-30 | 1995-03-14 | Tac Syst Kk | Slide material wherein stainless steel panel and engineering plastic panel are laminated with thermosetting adhesive |
| US6492448B1 (en) | 1999-12-28 | 2002-12-10 | Dainippon Ink And Chemicals, Incorporated | Polyarylenesulfide resin composition |
| EP1114847B1 (en) * | 1999-12-28 | 2004-11-17 | Dainippon Ink And Chemicals, Inc. | Part of an object lens driving unit made from a polyarylene sulfide resin composition |
| JP2007121679A (en) * | 2005-10-28 | 2007-05-17 | Konica Minolta Opto Inc | Optical member drive device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS62223822A (en) | Objective lens driving device | |
| JPS6350771B2 (en) | ||
| EP2093760B1 (en) | Objective lens driving device | |
| JPS6257130A (en) | Optical head | |
| JPH067450Y2 (en) | Two-dimensional drive | |
| JPS60254425A (en) | Objective lens driving device used for optical information reader | |
| JPH0450567Y2 (en) | ||
| JPH03100933A (en) | Lens driving device | |
| JPS6320730A (en) | Optical system driver | |
| JPS63112831A (en) | Optical system driving device | |
| JPH04103036A (en) | Information processor | |
| JPH0765383A (en) | Optical recording and reproducing device | |
| KR200144849Y1 (en) | Tracking Coil Assembly Structure of Axial Perturbation Actuator | |
| JP2797500B2 (en) | Manufacturing method of objective lens actuator | |
| JPH0726911U (en) | Objective lens drive | |
| JPH0517618B2 (en) | ||
| JPH0393044A (en) | Optical system driving device | |
| JPH04324127A (en) | Lens driving device in optical pickup | |
| JPH05135383A (en) | Optical means driving device | |
| JPS62205534A (en) | Optical system driving device | |
| JPH08212724A (en) | Linear guide device and information recording/ reproducing apparatus using linear guide device | |
| JPH03113729A (en) | Objective lens driver | |
| JPS63104226A (en) | Convergent optical element drive and control device in optical pickup optical system | |
| JPS62236149A (en) | Optical system driving device | |
| JPS61129744A (en) | Two-dimension driver of optical system |