JPS6381321U - - Google Patents
Info
- Publication number
- JPS6381321U JPS6381321U JP17650686U JP17650686U JPS6381321U JP S6381321 U JPS6381321 U JP S6381321U JP 17650686 U JP17650686 U JP 17650686U JP 17650686 U JP17650686 U JP 17650686U JP S6381321 U JPS6381321 U JP S6381321U
- Authority
- JP
- Japan
- Prior art keywords
- objective lens
- drive coil
- lens
- information recording
- circuit assembly
- 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
Links
- 230000003287 optical effect Effects 0.000 claims description 6
- 238000013016 damping Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
Landscapes
- Optical Recording Or Reproduction (AREA)
Description
第１図は本考案による光学式ピツクアツプ装置
の拡散分解図、第２図ａ，ｂ及びｃは本考案によ
る光学式ピツクアツプ装置の平面図、正面図及び
側面図、第３図は可撓性部材を示した図、第４図
は対物レンズの光軸方向の調整動作を示した図。
主要部分の符号の説明、１……対物レンズ、２
……レンズホルダ、５……フオーカスコイル、６
……トラツキングコイル、７……中心コア、８…
…ネジ部材、１０……筐体、１１……平板部材、
１３……外側ヨーク、１４……マグネツト、１６
……内側ヨーク、１８……可撓性部材、２０……
制振部材、２１……付勢手段、２２，２３……ビ
ス、２４……雄ネジ部材、２５……雌ネジ部材、
２６……弾性部材。
Fig. 1 is a diffusion exploded view of an optical pick-up device according to the present invention, Fig. 2 a, b, and c are plan, front, and side views of an optical pick-up device according to the present invention, and Fig. 3 is a flexible member. FIG. 4 is a diagram showing the adjustment operation of the objective lens in the optical axis direction. Explanation of symbols of main parts, 1...Objective lens, 2
... Lens holder, 5 ... Focus coil, 6
...Trucking coil, 7...Center core, 8...
... screw member, 10 ... housing, 11 ... flat plate member,
13...Outer yoke, 14...Magnet, 16
... Inner yoke, 18 ... Flexible member, 20 ...
Vibration damping member, 21... urging means, 22, 23... screw, 24... male screw member, 25... female screw member,
26...Elastic member.
Claims (1)
情報記録媒体の情報記録面に照射しこの反射光を
受けて受光素子へ中継する光学系及び前記対物レ
ンズを位置決めするレンズ駆動系を収容する筐体
を含む光学式ピツクアツプ装置であつて、前記レ
ンズ駆動系は前記筐体内に固定されて磁気ギヤツ
プを形成する磁気回路アセンブリと、前記磁気ギ
ヤツプに配設された駆動コイルと、前記駆動コイ
ルに結合しかつ前記磁気回路アセンブリに対して
可撓性部材を介し可動に支持されて前記対物レン
ズを保持するレンズ保持部材とからなり、前記可
撓性部材の表面には制振部材が付着していること
を特徴とする光学式ピツクアツプ装置。 A casing that houses an optical system that irradiates a light beam obtained from a light source onto an information recording surface of an information recording medium through an objective lens, receives the reflected light, and relays it to a light receiving element, and a lens drive system that positions the objective lens. An optical pickup device comprising: a magnetic circuit assembly fixed within the housing to form a magnetic gap; a drive coil disposed in the magnetic gap; and a drive coil coupled to the drive coil. and a lens holding member movably supported by the magnetic circuit assembly via a flexible member to hold the objective lens, and a damping member is attached to the surface of the flexible member. Optical pick-up device with special features.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986176506U JP2568770Y2 (en) | 1986-11-17 | 1986-11-17 | Optical pickup device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986176506U JP2568770Y2 (en) | 1986-11-17 | 1986-11-17 | Optical pickup device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6381321U true JPS6381321U (en) | 1988-05-28 |
| JP2568770Y2 JP2568770Y2 (en) | 1998-04-15 |
Family
ID=31116814
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986176506U Expired - Lifetime JP2568770Y2 (en) | 1986-11-17 | 1986-11-17 | Optical pickup device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2568770Y2 (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5835134U (en) * | 1981-09-02 | 1983-03-07 | 株式会社三協精機製作所 | 2D drive device |
| JPS5860438A (en) * | 1981-10-05 | 1983-04-09 | Mitsubishi Electric Corp | Condenser lens supporting device |
| JPS5885939A (en) * | 1981-11-16 | 1983-05-23 | Hitachi Ltd | Optical information reader |
| JPS58148732U (en) * | 1982-03-26 | 1983-10-06 | 株式会社日立製作所 | Optical information reading device |
| JPS6022742A (en) * | 1983-07-19 | 1985-02-05 | Sharp Corp | Objective lens driver |
-
1986
- 1986-11-17 JP JP1986176506U patent/JP2568770Y2/en not_active Expired - Lifetime
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5835134U (en) * | 1981-09-02 | 1983-03-07 | 株式会社三協精機製作所 | 2D drive device |
| JPS5860438A (en) * | 1981-10-05 | 1983-04-09 | Mitsubishi Electric Corp | Condenser lens supporting device |
| JPS5885939A (en) * | 1981-11-16 | 1983-05-23 | Hitachi Ltd | Optical information reader |
| JPS58148732U (en) * | 1982-03-26 | 1983-10-06 | 株式会社日立製作所 | Optical information reading device |
| JPS6022742A (en) * | 1983-07-19 | 1985-02-05 | Sharp Corp | Objective lens driver |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2568770Y2 (en) | 1998-04-15 |
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