JPS6347416U - - Google Patents
Info
- Publication number
- JPS6347416U JPS6347416U JP14208986U JP14208986U JPS6347416U JP S6347416 U JPS6347416 U JP S6347416U JP 14208986 U JP14208986 U JP 14208986U JP 14208986 U JP14208986 U JP 14208986U JP S6347416 U JPS6347416 U JP S6347416U
- Authority
- JP
- Japan
- Prior art keywords
- objective lens
- support device
- movable member
- lens support
- lens holder
- 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
- 230000003287 optical effect Effects 0.000 claims description 16
- 238000001514 detection method Methods 0.000 claims description 4
Landscapes
- Optical Recording Or Reproduction (AREA)
Description
第１図は本考案の実施例に係る光学式ピツクア
ツプの対物レンズ支持装置を示す斜視図、第２図
は本考案の実施例に係る光学式ピツクアツプの対
物レンズ支持装置を示す平面図、第３図はその正
面図、第４図は第３図の右側面図、第５図は第二
実施例を示す平面図、第６図はその正面図である
。第７図は従来例に係る光学式ピツクアツプの対
物レンズ支持装置の平面図、第８図は従来例に係
る光学式ピツクアツプの対物レンズ支持装置の回
動部を示す拡大図である。
１１，２１……対物レンズ、１２……レンズホ
ルダ、１３，２３……板ばね、１４……回動フレ
ーム（第一実施例の可動部材）、１５，２５……
トーシヨンバー、２２……レンズホルダ（第二実
施例の可動部材）、１５ａ，２５ａ……支持片、
１６，２６……ベース、１７（フオーカシングコ
イル）および１９（マグネツト）……レンズホル
ダを対物レンズの光軸方向へ駆動する駆動機構、
１８（トラツキングコイル）および２０（マグネ
ツト）……レンズホルダを対物レンズの光軸に交
叉する方向へ駆動する駆動機構。
FIG. 1 is a perspective view showing an objective lens support device for an optical pickup according to an embodiment of the present invention, FIG. 2 is a plan view showing an objective lens support device for an optical pickup according to an embodiment of the present invention, and FIG. 4 is a right side view of FIG. 3, FIG. 5 is a plan view showing the second embodiment, and FIG. 6 is a front view thereof. FIG. 7 is a plan view of an objective lens support device for an optical pickup according to a conventional example, and FIG. 8 is an enlarged view showing a rotating portion of the objective lens support device for an optical pickup according to a conventional example. 11, 21... Objective lens, 12... Lens holder, 13, 23... Leaf spring, 14... Rotating frame (movable member of the first embodiment), 15, 25...
Torsion bar, 22... lens holder (movable member of the second embodiment), 15a, 25a... support piece,
16, 26... base, 17 (focusing coil) and 19 (magnet)... drive mechanism that drives the lens holder in the optical axis direction of the objective lens;
18 (tracking coil) and 20 (magnet)... Drive mechanism that drives the lens holder in a direction intersecting the optical axis of the objective lens.
補正 昭６２．１．２３
実用新案登録請求の範囲を次のように補正する
。Amendment January 23, 1982 The scope of claims for utility model registration is amended as follows.
【実用新案登録請求の範囲】
(1) 光デイスクに検知ビームを照射する対物レ
ンズを支持している可動部材が、前記検知ビーム
の照射状態を補正する方向へ回動自在に支持され
ており且つ、可動部材を前記回動方向へ駆動する
駆動機構が設けられている光学式ピツクアツプの
対物レンズ支持装置において、前記可動部材と固
定部との間には回動中心となる弾性変形自在なト
ーシヨンバーが渡設されていることを特徴とする
光学式ピツクアツプの対物レンズ支持装置。
(2) 対物レンズがレンズホルダに保持されてお
り、可動部材は、このレンズホルダを板ばねによ
つて支持している回動フレームである実用新案登
録請求の範囲第１項記載の光学式ピツクアツプの
対物レンズ支持装置。
(3) 可動部材は、対物レンズを保持しているレ
ンズホルダである実用新案登録請求の範囲第１項
記載の光学式ピツクアツプの対物レンズ支持装置
。[Claims for Utility Model Registration] (1) A movable member supporting an objective lens that irradiates a detection beam onto an optical disk is supported so as to be rotatable in a direction to correct the irradiation state of the detection beam, and In the objective lens support device for an optical pickup provided with a drive mechanism for driving the movable member in the rotation direction, an elastically deformable torsion bar serving as a rotation center is provided between the movable member and the fixed part. An objective lens support device for an optical pick-up, characterized in that the objective lens support device is installed across the body. (2) The optical pick-up according to claim 1, wherein the objective lens is held by a lens holder, and the movable member is a rotating frame that supports the lens holder with a leaf spring. objective lens support device. (3) The objective lens support device for an optical pickup according to claim 1, wherein the movable member is a lens holder holding an objective lens.
Claims (1)
ンズを支持している可動部材が、前記検知ビーム
の照射状態を補正する方向へ回動自在に支持され
ており且つ、レンズホルダを前記回動方向へ駆動
する駆動機構が設けられている光学式ピツクアツ
プの対物レンズ支持装置において、前記可動部材
と固定部との間には回動中心となる弾性変形自在
なトーシヨンバーが渡設されていることを特徴と
する光学式ピツクアツプの対物レンズ支持装置。 (2) 対物レンズがレンズホルダに保持されてお
り、可動部材は、このレンズホルダを板ばねによ
つて支持している回動フレームである実用新案登
録請求の範囲第１項記載の光学式ピツクアツプの
対物レンズ支持装置。 (3) 可動部材は、対物レンズを保持しているレ
ンズホルダである実用新案登録請求の範囲第１項
記載の光学式ピツクアツプの対物レンズ支持装置
。[Claims for Utility Model Registration] (1) A movable member supporting an objective lens that irradiates a detection beam onto an optical disk is rotatably supported in a direction to correct the irradiation state of the detection beam, and In the objective lens support device for an optical pickup, which is provided with a drive mechanism for driving the lens holder in the rotation direction, an elastically deformable torsion bar serving as a rotation center is provided between the movable member and the fixed part. An objective lens support device for an optical pick-up, characterized in that the objective lens support device is installed across the body. (2) The optical pick-up according to claim 1, wherein the objective lens is held by a lens holder, and the movable member is a rotating frame that supports the lens holder with a leaf spring. objective lens support device. (3) The objective lens support device for an optical pickup according to claim 1, wherein the movable member is a lens holder holding an objective lens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14208986U JPS6347416U (en) | 1986-09-16 | 1986-09-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14208986U JPS6347416U (en) | 1986-09-16 | 1986-09-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6347416U true JPS6347416U (en) | 1988-03-31 |
Family
ID=31050486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14208986U Pending JPS6347416U (en) | 1986-09-16 | 1986-09-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6347416U (en) |
-
1986
- 1986-09-16 JP JP14208986U patent/JPS6347416U/ja active Pending
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