JPS5894138U - Optical system drive device in optical information recording and reproducing device - Google Patents

Optical system drive device in optical information recording and reproducing device

Info

Publication number
JPS5894138U
JPS5894138U JP18990081U JP18990081U JPS5894138U JP S5894138 U JPS5894138 U JP S5894138U JP 18990081 U JP18990081 U JP 18990081U JP 18990081 U JP18990081 U JP 18990081U JP S5894138 U JPS5894138 U JP S5894138U
Authority
JP
Japan
Prior art keywords
bobbin
optical system
drive device
information recording
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.)
Pending
Application number
JP18990081U
Other languages
Japanese (ja)
Inventor
嶋田　邦彦
育也 菊池
Original Assignee
パイオニア株式会社
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 by パイオニア株式会社 filed Critical パイオニア株式会社
Priority to JP18990081U priority Critical patent/JPS5894138U/en
Publication of JPS5894138U publication Critical patent/JPS5894138U/en
Pending legal-status Critical Current

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  • Optical Recording Or Reproduction (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

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

第１図は従来例を示す断面図、第２図、第３図及び第４
図は本考案の一実施例を示す平面図、正面図及び側面図
、第５図はコイルを巻装したボビンを示゛す概略斜視図
、第６図は本考案の変形例を示す正面図である。 主要部分の符号の説明、１．１１・・・対物レンズ、２
、　７．　１５・・・マグネット、５．　８．　１８．
　１９・・・コイル、１３・・・磁気回路部、１７・・
・ボビン、２０・・・突起、Ｇ１．　Ｇ２・・・磁気ギ
ャップ。Figure 1 is a sectional view showing a conventional example, Figures 2, 3 and 4.
The figures are a plan view, a front view, and a side view showing one embodiment of the present invention, Fig. 5 is a schematic perspective view showing a bobbin wound with a coil, and Fig. 6 is a front view showing a modification of the present invention. It is. Explanation of symbols of main parts, 1.11...Objective lens, 2
, 7. 15...Magnet, 5. 8. 18.
19... Coil, 13... Magnetic circuit section, 17...
- Bobbin, 20...Protrusion, G1. G2...magnetic gap.

Claims (4)

【実用新案登録請求の範囲】[Scope of utility model registration request] （１）記録媒体の記録面にスポット光を照射せしめるた
めの光学系を駆動する光学系駆動装置であって、前記光
学系の光軸と略直交する１方向に平行な１対の磁気ギャ
ップを有する磁気回路部と、前記磁気回路部のギャップ
内に位置するように前記光学系に対して取り付けられた
ボビンと、前記光学系をその先軸方向と該１方向との２
方向に駆動すべ（前記ボビンに巻装された第１及び第２
のコイルとを含み、前記ボビンは該１方向に平行な１対
の面を有し、この面において前記磁気回路部の該磁気ギ
ャップを形成する端面に摺動自在に係合したことを特徴
とする光学式情報記録再生装置における光学系駆動装置
。(1) An optical system drive device that drives an optical system for irradiating a recording surface of a recording medium with a spot light, the device comprising a pair of magnetic gaps parallel to one direction substantially orthogonal to the optical axis of the optical system. a bobbin attached to the optical system so as to be located within the gap of the magnetic circuit section;
(the first and second windings wound on the bobbin)
a coil, the bobbin has a pair of surfaces parallel to the one direction, and the bobbin is slidably engaged with an end surface forming the magnetic gap of the magnetic circuit section. An optical system drive device in an optical information recording/reproducing device. （２）　　前記磁気回路部の磁気ギャップは矩形環状に
形成されており、前記ボビンは矩形状断面を有すること
を特徴とする特許請求の範囲第１項記載の光学式情報記
録再生装置における光学系駆動装置。(2) The optical system in the optical information recording/reproducing apparatus according to claim 1, wherein the magnetic gap of the magnetic circuit section is formed in a rectangular ring shape, and the bobbin has a rectangular cross section. Drive device. （３）前記磁気回路部において前記ボビンの該１対の面
が位置する磁気ギャップを前記ボビンの他の１対の面が
位置する磁気ギャップよりも狭くしたことを特徴とする
実用新案登録請求の範囲第２項記載の光学式情報記録再
生装置における光学系駆動装置。(3) A utility model registration claim characterized in that, in the magnetic circuit portion, the magnetic gap in which the pair of surfaces of the bobbin are located is narrower than the magnetic gap in which the other pair of surfaces of the bobbin are located. An optical system drive device in the optical information recording/reproducing device according to scope 2. （４）前記ボビンの該１対の面若しくは前記磁気回路部
の該端面に複数の突起を設けたことを特徴とする実用新
案登録請求の範囲第１項記載の光学式情報記録再生装置
における光学系駆動装置。(4) The optical information recording and reproducing device according to claim 1, wherein a plurality of protrusions are provided on the pair of surfaces of the bobbin or on the end surface of the magnetic circuit section. System drive device.
JP18990081U 1981-12-19 1981-12-19 Optical system drive device in optical information recording and reproducing device Pending JPS5894138U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18990081U JPS5894138U (en) 1981-12-19 1981-12-19 Optical system drive device in optical information recording and reproducing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18990081U JPS5894138U (en) 1981-12-19 1981-12-19 Optical system drive device in optical information recording and reproducing device

Publications (1)

Publication Number Publication Date
JPS5894138U true JPS5894138U (en) 1983-06-25

Family

ID=30103616

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18990081U Pending JPS5894138U (en) 1981-12-19 1981-12-19 Optical system drive device in optical information recording and reproducing device

Country Status (1)

Country Link
JP (1) JPS5894138U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11901610B2 (en) 2018-08-30 2024-02-13 Samsung Electronics Co., Ltd. Electronic apparatus including antenna module

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5494007A (en) * 1978-01-05 1979-07-25 Olympus Optical Co Ltd Pickup for disc recorder recorded optically with information

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5494007A (en) * 1978-01-05 1979-07-25 Olympus Optical Co Ltd Pickup for disc recorder recorded optically with information

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11901610B2 (en) 2018-08-30 2024-02-13 Samsung Electronics Co., Ltd. Electronic apparatus including antenna module

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