JPS6435519U - - Google Patents
Info
- Publication number
- JPS6435519U JPS6435519U JP12749787U JP12749787U JPS6435519U JP S6435519 U JPS6435519 U JP S6435519U JP 12749787 U JP12749787 U JP 12749787U JP 12749787 U JP12749787 U JP 12749787U JP S6435519 U JPS6435519 U JP S6435519U
- Authority
- JP
- Japan
- Prior art keywords
- yoke
- objective lens
- driving device
- lens driving
- magnet
- 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
Links
- 239000000463 material Substances 0.000 claims description 2
- 239000000853 adhesive Substances 0.000 claims 2
- 230000001070 adhesive effect Effects 0.000 claims 2
- 230000003287 optical effect Effects 0.000 claims 1
- 239000011345 viscous material Substances 0.000 claims 1
- 239000000725 suspension Substances 0.000 description 1
Landscapes
- Optical Recording Or Reproduction (AREA)
Description
第１図は本考案の一実施例の上面図、第２図は
第１図のＡ−Ａ線断面図、第３図は従来技術の例
の上面図である。
１……第１のヨーク、２……第２のヨーク、３
……板材、６……フオーカシングコイル、８……
ガイドシヤフト、９……対物レンズ、１０……ボ
ビン、１１……コイルホルダー、１２……サスペ
ンシヨン、１３……ガイドパイプ。
FIG. 1 is a top view of an embodiment of the present invention, FIG. 2 is a sectional view taken along line A--A in FIG. 1, and FIG. 3 is a top view of an example of the prior art. 1...First yoke, 2...Second yoke, 3
... Plate material, 6 ... Focusing coil, 8 ...
Guide shaft, 9... Objective lens, 10... Bobbin, 11... Coil holder, 12... Suspension, 13... Guide pipe.
Claims (1)
１のヨークと磁気ギヤツプを隔てて位置するマグ
ネツトあるいは第２のヨークを有する光学式情報
読取装置の対物レンズ駆動装置において、前記第
１のヨークの端部と板材又は棒材の一端とを粘性
材又は粘着材を介して結合し、かつ前記板材又は
棒材の他端と前記第２のヨークの端部又は前記マ
グネツトとを粘性材又は粘着材を介して結合した
ことを特徴とする対物レンズ駆動装置。 In an objective lens driving device of an optical information reading device, which has a first yoke constituting a magnetic gap, and a magnet or a second yoke located across the first yoke and the magnetic gap, an end of the first yoke is provided. and one end of the plate or bar through a viscous material or adhesive, and the other end of the plate or bar and the end of the second yoke or the magnet using a viscous or adhesive material. An objective lens driving device characterized in that the objective lens driving device is coupled via a.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12749787U JPS6435519U (en) | 1987-08-24 | 1987-08-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12749787U JPS6435519U (en) | 1987-08-24 | 1987-08-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6435519U true JPS6435519U (en) | 1989-03-03 |
Family
ID=31379987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12749787U Pending JPS6435519U (en) | 1987-08-24 | 1987-08-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6435519U (en) |
-
1987
- 1987-08-24 JP JP12749787U patent/JPS6435519U/ja active Pending
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