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JPS62120427U - - Google Patents

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Publication number
JPS62120427U
JPS62120427U JP713486U JP713486U JPS62120427U JP S62120427 U JPS62120427 U JP S62120427U JP 713486 U JP713486 U JP 713486U JP 713486 U JP713486 U JP 713486U JP S62120427 U JPS62120427 U JP S62120427U
Authority
JP
Japan
Prior art keywords
fixed
yoke
holder
movable
magnetic circuit
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
JP713486U
Other languages
Japanese (ja)
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 JP713486U priority Critical patent/JPS62120427U/ja
Publication of JPS62120427U publication Critical patent/JPS62120427U/ja
Pending legal-status Critical Current

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  • Optical Recording Or Reproduction (AREA)

Description

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

第1図〜第3図は本考案の一実施例を示すもの
で、第1図は分解斜面図、第2図は平面図、第3
図は磁気回路の説明図で、第4図〜第7図は他の
実施例を示すもので、第4図は分解斜面図、第5
図は平面図、第6図は磁気回路の説明図、第7図
は引張り力の説明図である。第8図と第9図、第
10図と第11図はそれぞれ異なつた従来の光学
式ピツクアツプのアクチユエータの分解斜面図と
平面図である。 21,31…対物レンズ、22,32…ホルダ
、23,33…フオーカスコイル、24,34…
トラツキングコイル、25,35…ワイヤ、26
,36…固定部材、27,37…磁石、28,3
8…固定ヨーク、29,39…可動ヨーク。
Figures 1 to 3 show an embodiment of the present invention. Figure 1 is an exploded slope view, Figure 2 is a plan view, and Figure 3 is a plan view.
The figure is an explanatory diagram of the magnetic circuit, and Figures 4 to 7 show other embodiments. Figure 4 is an exploded perspective view, and Figure 5 is an exploded perspective view.
The figure is a plan view, FIG. 6 is an explanatory diagram of the magnetic circuit, and FIG. 7 is an explanatory diagram of tensile force. FIGS. 8 and 9, and FIGS. 10 and 11 are exploded perspective views and plan views of different conventional optical pickup actuators, respectively. 21, 31... Objective lens, 22, 32... Holder, 23, 33... Focus coil, 24, 34...
Tracking coil, 25, 35...Wire, 26
, 36... Fixed member, 27, 37... Magnet, 28, 3
8... Fixed yoke, 29, 39... Movable yoke.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 対物レンズ等の光学系を備え、可撓部材により
固定部材に対して可動的に支持されるホルダに、
固定ヨークに対向して該ホルダの固定部材側に設
けられた可動ヨークと、固定ヨーク、可動ヨーク
の何れかに固定された磁石とで磁気回路を形成し
、少くともフオーカスコイル、トラツキングコイ
ルの何れかを固定ヨークに固定したことを特徴と
する光学式ピツクアツプのアクチユエータ。
A holder equipped with an optical system such as an objective lens and movably supported by a flexible member with respect to a fixed member,
A magnetic circuit is formed by a movable yoke provided on the fixed member side of the holder opposite to the fixed yoke, and a magnet fixed to either the fixed yoke or the movable yoke, and includes at least a focus coil and a tracking coil. An optical pick-up actuator, characterized in that either one of the above is fixed to a fixed yoke.
JP713486U 1986-01-23 1986-01-23 Pending JPS62120427U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP713486U JPS62120427U (en) 1986-01-23 1986-01-23

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP713486U JPS62120427U (en) 1986-01-23 1986-01-23

Publications (1)

Publication Number Publication Date
JPS62120427U true JPS62120427U (en) 1987-07-30

Family

ID=30790305

Family Applications (1)

Application Number Title Priority Date Filing Date
JP713486U Pending JPS62120427U (en) 1986-01-23 1986-01-23

Country Status (1)

Country Link
JP (1) JPS62120427U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0581682A (en) * 1991-05-13 1993-04-02 Samsung Electron Co Ltd Objective drive for light pickup

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0581682A (en) * 1991-05-13 1993-04-02 Samsung Electron Co Ltd Objective drive for light pickup

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