JPS63142012U - - Google Patents

Info

Publication number
JPS63142012U
JPS63142012U JP3273687U JP3273687U JPS63142012U JP S63142012 U JPS63142012 U JP S63142012U JP 3273687 U JP3273687 U JP 3273687U JP 3273687 U JP3273687 U JP 3273687U JP S63142012 U JPS63142012 U JP S63142012U
Authority
JP
Japan
Prior art keywords
coil
objective lens
skirt portion
optical disk
magnetic field
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
JP3273687U
Other languages
Japanese (ja)
Other versions
JPH0629781Y2 (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 JP1987032736U priority Critical patent/JPH0629781Y2/en
Publication of JPS63142012U publication Critical patent/JPS63142012U/ja
Application granted granted Critical
Publication of JPH0629781Y2 publication Critical patent/JPH0629781Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Optical Recording Or Reproduction (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１〜８図は本考案の一実施例を示す説明図、
第９，１０図は従来例の説明図で、特に第１，２
図は一部断面の平面図及び正面図、第３〜５図は
フレキシブル両面プリント板を展開した一部分図
、第６図は電流と磁界の関係を示す説明図、そし
て第７，８図は各コイルの巻回図を示している。 １２…固定軸、１３…可動部、１３ｂ…円筒状
の裾部、１４…対物レンズ、１５…トラツキング
コイル、１６…フオーカシングコイル、１７…ヨ
ーク、１８…永久磁石、１９…フレキシブル両面
プリント板、２０…配線端子。 1 to 8 are explanatory diagrams showing one embodiment of the present invention,
9 and 10 are explanatory diagrams of the conventional example, especially the first and second
The figure is a partial cross-sectional plan view and front view, Figures 3 to 5 are partial views of a developed flexible double-sided printed board, Figure 6 is an explanatory diagram showing the relationship between current and magnetic field, and Figures 7 and 8 are each A winding diagram of the coil is shown. 12...Fixed axis, 13...Movable part, 13b...Cylindrical hem, 14...Objective lens, 15...Tracking coil, 16...Focusing coil, 17...Yoke, 18...Permanent magnet, 19...Flexible double-sided printing Board, 20... Wiring terminal.

Claims (1)

【実用新案登録請求の範囲】 光デイスク用のピツクアツプにおける対物レン
ズ１４を載置した、上下動及び回動可能な可動部
１３の筒状裾部１３ｂに設けたコイルを、界磁界
中に置き、前記コイルに電流を流すことにより、
駆動力が得られるようにした対物レンズ駆動装置
において、 裾部１３ｂに取付けられる前記コイルが、この
裾部１３ｂに巻回された一枚のフレキシブル両面
プリント板１９の各面に形成されたトラツキング
コイル１５とフオーカシングコイル１６とよりな
ることを特徴とした光デイスク用の対物レンズ駆
動装置。[Claims for Utility Model Registration] A coil provided in a cylindrical skirt portion 13b of a vertically movable and rotatable movable portion 13 on which an objective lens 14 is placed in a pick-up for an optical disk is placed in a magnetic field, By passing a current through the coil,
In the objective lens driving device that can obtain a driving force, the coil attached to the skirt portion 13b is a tracking device formed on each surface of a single flexible double-sided printed board 19 wound around the skirt portion 13b. An objective lens drive device for an optical disk characterized by comprising a coil 15 and a focusing coil 16.
JP1987032736U 1987-03-06 1987-03-06 Objective lens drive Expired - Lifetime JPH0629781Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987032736U JPH0629781Y2 (en) 1987-03-06 1987-03-06 Objective lens drive

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987032736U JPH0629781Y2 (en) 1987-03-06 1987-03-06 Objective lens drive

Publications (2)

Publication Number Publication Date
JPS63142012U true JPS63142012U (en) 1988-09-19
JPH0629781Y2 JPH0629781Y2 (en) 1994-08-10

Family

ID=30839702

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987032736U Expired - Lifetime JPH0629781Y2 (en) 1987-03-06 1987-03-06 Objective lens drive

Country Status (1)

Country Link
JP (1) JPH0629781Y2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010187505A (en) * 2009-02-13 2010-08-26 Yaskawa Electric Corp thetaZ-AXIS LINEAR MOTOR

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61150139A (en) * 1984-12-25 1986-07-08 Toshiba Corp Objective lens driving device of optical information processor

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61150139A (en) * 1984-12-25 1986-07-08 Toshiba Corp Objective lens driving device of optical information processor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010187505A (en) * 2009-02-13 2010-08-26 Yaskawa Electric Corp thetaZ-AXIS LINEAR MOTOR

Also Published As

Publication number Publication date
JPH0629781Y2 (en) 1994-08-10

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