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JPS6365128U - - Google Patents

Info

Publication number
JPS6365128U
JPS6365128U JP15954386U JP15954386U JPS6365128U JP S6365128 U JPS6365128 U JP S6365128U JP 15954386 U JP15954386 U JP 15954386U JP 15954386 U JP15954386 U JP 15954386U JP S6365128 U JPS6365128 U JP S6365128U
Authority
JP
Japan
Prior art keywords
arc
yoke
pair
outer yokes
shaped
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
JP15954386U
Other languages
Japanese (ja)
Other versions
JP2521592Y2 (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 JP1986159543U priority Critical patent/JP2521592Y2/en
Publication of JPS6365128U publication Critical patent/JPS6365128U/ja
Application granted granted Critical
Publication of JP2521592Y2 publication Critical patent/JP2521592Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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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図はこの考案の一実施例を示す斜視図、第
２図はこの考案を構成するレンズホルダを示す図
で、ａは斜視図、ｂはａのＡ―Ａ断面図、第３図
、第４図は従来技術を示す分解斜視図である。 １…ベースヨーク、１１…外側ヨーク、１２…
内側ヨーク、１３…永久磁石、１４…レンズホル
ダ。 Fig. 1 is a perspective view showing an embodiment of this invention, Fig. 2 is a view showing a lens holder constituting this invention, where a is a perspective view, b is a sectional view taken along line A-A of a, and Fig. 3. FIG. 4 is an exploded perspective view showing the prior art. 1...Base yoke, 11...Outer yoke, 12...
Inner yoke, 13...Permanent magnet, 14...Lens holder.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ベースヨーク上に一定間隔をもつて配置された
一対の円弧状の外側ヨークと、該外側ヨークより
内側で、かつ該外側ヨークと対向する、該ベース
ヨーク上の位置に配置された一対の円弧状の内側
ヨークと、該内側ヨークの外側に該外側ヨークと
一定のギヤツプをもつて固定されているとともに
半径方向に着磁されている一対の円弧状の永久磁
石とからなる磁気回路のギヤツプ内に、対物レン
ズ、フオーカスコイルおよびトラツキングコイル
が装着されているレンズホルダを配置してなる光
ピツクアツプ用アクチユエータ。 a pair of arc-shaped outer yokes arranged at a constant interval on the base yoke; and a pair of arc-shaped outer yokes arranged on the base yoke inside the outer yokes and facing the outer yokes. and a pair of arc-shaped permanent magnets that are fixed to the outside of the inner yoke with a constant gap to the outer yoke and magnetized in the radial direction. , an optical pickup actuator comprising a lens holder to which an objective lens, a focus coil, and a tracking coil are mounted.
JP1986159543U 1986-10-20 1986-10-20 Actuator for optical pickup Expired - Lifetime JP2521592Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1986159543U JP2521592Y2 (en) 1986-10-20 1986-10-20 Actuator for optical pickup

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1986159543U JP2521592Y2 (en) 1986-10-20 1986-10-20 Actuator for optical pickup

Publications (2)

Publication Number Publication Date
JPS6365128U true JPS6365128U (en) 1988-04-28
JP2521592Y2 JP2521592Y2 (en) 1996-12-25

Family

ID=31084078

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1986159543U Expired - Lifetime JP2521592Y2 (en) 1986-10-20 1986-10-20 Actuator for optical pickup

Country Status (1)

Country Link
JP (1) JP2521592Y2 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6044225U (en) * 1983-09-05 1985-03-28 ソニー株式会社 Optical pickup device
JPS6157315U (en) * 1984-09-18 1986-04-17

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6044225U (en) * 1983-09-05 1985-03-28 ソニー株式会社 Optical pickup device
JPS6157315U (en) * 1984-09-18 1986-04-17

Also Published As

Publication number Publication date
JP2521592Y2 (en) 1996-12-25

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