JPS6263826U - - Google Patents

Info

Publication number
JPS6263826U
JPS6263826U JP15515185U JP15515185U JPS6263826U JP S6263826 U JPS6263826 U JP S6263826U JP 15515185 U JP15515185 U JP 15515185U JP 15515185 U JP15515185 U JP 15515185U JP S6263826 U JPS6263826 U JP S6263826U
Authority
JP
Japan
Prior art keywords
actuator section
electromagnetic coil
opening
width
optical
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
JP15515185U
Other languages
Japanese (ja)
Other versions
JP2517237Y2 (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 JP1985155151U priority Critical patent/JP2517237Y2/en
Publication of JPS6263826U publication Critical patent/JPS6263826U/ja
Application granted granted Critical
Publication of JP2517237Y2 publication Critical patent/JP2517237Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Moving Of Heads (AREA)
  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
  • Optical Recording Or Reproduction (AREA)

Description

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

第１図は本考案に係る光学ヘツドの駆動装置の
一実施例の上面図、第２図は第１図に示す装置の
光学ヘツド部の断面図、第３図は第１図に示す装
置のアクチユエータの上面図、第４図ａ〜ｃは第
１図に示す装置の光学ヘツド部と摺動機構部との
構造図、第５図は本考案の別な実施例に係る装置
の説明図で、同図ａは上面図、同図ｂは側断面図
、同図ｃはアクチユエータの斜視図、同図ｄはホ
ルダの斜視図、第６図は本考案の更に別な実施例
に係る装置の光学ヘツド部の説明図で、同図ａは
上面図、同図ｂは側面図、同図ｃはダンパの上面
図である。 １００……装置本体、１０……メカインデツク
ス検出部、２０……スピンドルモータ部、３０…
…光学ヘツド部、３１……アクチユエータ、３３
……キヤリツジ、３１１……全反射鏡、３１２…
…１／４波長板、３１２……対物レンズ、３１４
……ホルダ、３１５……トラツキング用コイル、
３１６……フオーカシング用コイル、３１７……
キヤリツジ本体、３１８……ヨーク、３１９……
板ばね、３２０……ブロツク、３２１……板ばね
、３２２……ブロツク、３２３……バランス、３
２４……溝、３２５……枢軸、３２６……ダンパ
、３２７……取付けねじ、３３１……弾性部材、
３３２……ベアリング、３３３……アクセス用コ
イル、４０……摺動機構部、４０１……ガイド、
４０２……ヨーク、４０３……放熱孔、４０４…
…アクセス用磁石、４０５……アクチユエータ用
磁石、４０６……磁気回路の開口部、５０……ビ
ーム検出部、５１……レーザダイオード、５２…
…コリメータレンズ、５３……プリズム系、５４
……光検出器、Ｌ１……磁気回路の開口部の幅、
Ｌ２……アクチユエータの幅。 1 is a top view of an embodiment of an optical head driving device according to the present invention, FIG. 2 is a sectional view of the optical head portion of the device shown in FIG. 1, and FIG. 3 is a cross-sectional view of the device shown in FIG. 1. A top view of the actuator, FIGS. 4a to 4c are structural diagrams of the optical head section and sliding mechanism section of the device shown in FIG. 1, and FIG. 5 is an explanatory diagram of the device according to another embodiment of the present invention. , Figure a is a top view, Figure b is a side sectional view, Figure c is a perspective view of the actuator, Figure d is a perspective view of the holder, and Figure 6 is a diagram of a device according to yet another embodiment of the present invention. FIG. 2 is an explanatory diagram of the optical head section, in which figure a is a top view, figure b is a side view, and figure c is a top view of the damper. 100...Device main body, 10...Mechanical index detection section, 20...Spindle motor section, 30...
...Optical head section, 31... Actuator, 33
...Carriage, 311...Total reflection mirror, 312...
...1/4 wavelength plate, 312...Objective lens, 314
...Holder, 315...Tracking coil,
316...Focusing coil, 317...
Carriage body, 318... Yoke, 319...
Leaf spring, 320...Block, 321...Leaf spring, 322...Block, 323...Balance, 3
24...Groove, 325...Pivot, 326...Damper, 327...Mounting screw, 331...Elastic member,
332...Bearing, 333...Access coil, 40...Sliding mechanism section, 401...Guide,
402...Yoke, 403...Radiation hole, 404...
... Access magnet, 405 ... Actuator magnet, 406 ... Magnetic circuit opening, 50 ... Beam detection section, 51 ... Laser diode, 52 ...
... Collimator lens, 53 ... Prism system, 54
...Photodetector, L1 ...Width of the opening of the magnetic circuit,
L2 ... Width of the actuator.

Claims (1)

【実用新案登録請求の範囲】 光学レンズに光ビームを照射するための光学系
およびこの光学系の位置調整を行う電磁コイルを
有するアクチユエータ部と、前記アクチユエータ
部を脱着自在に支持し前記光学デイスクの半径方
向に摺動するキヤリツジ部と、前記手動方向に沿
つて磁場を発生させ前記電磁コイルを駆動する磁
気回路とを備える光学ヘツドの駆動装置において
、 前記磁気回路が前記キヤリツジを包むように設
けられ、前記摺動方向に沿つて細長い開口を有し
、この開口部に発生した磁場によつて前記電磁コ
イルを駆動するように構成され、かつ、前記開口
部の前記摺動方向に対し直角方向の幅が前記アク
チユエータ部の同方向の幅より大きいことを特徴
とする光学ヘツド駆動装置。[Claims for Utility Model Registration] An actuator section having an optical system for irradiating a light beam onto an optical lens and an electromagnetic coil for adjusting the position of the optical system, and an actuator section that removably supports the actuator section and supports the optical disk. An optical head driving device comprising a carriage portion that slides in a radial direction, and a magnetic circuit that generates a magnetic field along the manual direction and drives the electromagnetic coil, wherein the magnetic circuit is provided so as to surround the carriage; an elongated opening along the sliding direction, configured to drive the electromagnetic coil by a magnetic field generated in the opening, and a width of the opening in a direction perpendicular to the sliding direction; is larger than the width of the actuator section in the same direction.
JP1985155151U 1985-10-09 1985-10-09 Optical head drive Expired - Lifetime JP2517237Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1985155151U JP2517237Y2 (en) 1985-10-09 1985-10-09 Optical head drive

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1985155151U JP2517237Y2 (en) 1985-10-09 1985-10-09 Optical head drive

Publications (2)

Publication Number Publication Date
JPS6263826U true JPS6263826U (en) 1987-04-21
JP2517237Y2 JP2517237Y2 (en) 1996-11-20

Family

ID=31075597

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985155151U Expired - Lifetime JP2517237Y2 (en) 1985-10-09 1985-10-09 Optical head drive

Country Status (1)

Country Link
JP (1) JP2517237Y2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62114169A (en) * 1985-11-13 1987-05-25 Sharp Corp Linear motor for photomagnetic disc device or the like
JPH03185632A (en) * 1989-12-14 1991-08-13 Olympus Optical Co Ltd Drive device for optical head
JPH04349222A (en) * 1991-01-22 1992-12-03 Fuji Xerox Co Ltd Optical information recording and reproducing device

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5580834A (en) * 1978-12-08 1980-06-18 Thomson Csf Accessing device for track provided in optical recordable and readable medium * and optical system including said device

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5580834A (en) * 1978-12-08 1980-06-18 Thomson Csf Accessing device for track provided in optical recordable and readable medium * and optical system including said device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62114169A (en) * 1985-11-13 1987-05-25 Sharp Corp Linear motor for photomagnetic disc device or the like
JPH03185632A (en) * 1989-12-14 1991-08-13 Olympus Optical Co Ltd Drive device for optical head
JPH04349222A (en) * 1991-01-22 1992-12-03 Fuji Xerox Co Ltd Optical information recording and reproducing device

Also Published As

Publication number Publication date
JP2517237Y2 (en) 1996-11-20

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