JPH0268325U - - Google Patents
Info
- Publication number
- JPH0268325U JPH0268325U JP14815088U JP14815088U JPH0268325U JP H0268325 U JPH0268325 U JP H0268325U JP 14815088 U JP14815088 U JP 14815088U JP 14815088 U JP14815088 U JP 14815088U JP H0268325 U JPH0268325 U JP H0268325U
- Authority
- JP
- Japan
- Prior art keywords
- optical system
- holder
- passage hole
- laser light
- 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
Links
- 230000003287 optical effect Effects 0.000 claims description 9
- 239000004065 semiconductor Substances 0.000 description 1
Landscapes
- Optical Recording Or Reproduction (AREA)
- Optical Head (AREA)
Description
第１図は、本考案の一実施例を示す斜視図、第
２図は、従来の光学ヘツドの一例を示す斜視図で
ある。
１０……レンズアクチユエータ、１１……集光
レンズ、１２……保持体、１４……支持部材、１
５……フオーカスコイル、１６……トラツキング
コイル、１７……永久磁石、１８，１９……ヨー
ク、２０……固定部、３０……立ち上げミラー、
４０……光学系、４１……半導体レーザ、４２…
…コリメータレンズ、４３Ａ〜４３Ｃ……ビーム
スプリツタ、４４……フオーカスエラー信号検出
器、４５……トラツキングエラー信号検出器、４
６……再生信号検出器。
FIG. 1 is a perspective view showing an embodiment of the present invention, and FIG. 2 is a perspective view showing an example of a conventional optical head. 10... Lens actuator, 11... Condenser lens, 12... Holder, 14... Support member, 1
5... Focus coil, 16... Tracking coil, 17... Permanent magnet, 18, 19... Yoke, 20... Fixed part, 30... Standing mirror,
40...Optical system, 41...Semiconductor laser, 42...
... Collimator lens, 43A to 43C ... Beam splitter, 44 ... Focus error signal detector, 45 ... Tracking error signal detector, 4
6...Reproduction signal detector.
Claims (1)
のレーザ光を情報記録媒体面上に集光させる集光
レンズを保持する保持体とを備える光学ヘツドに
おいて、 前記保持体に設けられ、前記光学系からのレー
ザ光を通過させる通過穴と、 前記保持体の内部に配置され、前記通過穴を通
過してきた前記光学系からのレーザ光の光路を変
えて、このレーザ光を前記集光レンズに入射させ
るミラー部とを有することを特徴とする光学ヘツ
ド。[Claims for Utility Model Registration] An optical head comprising an optical system that emits laser light and a holder that holds a condensing lens that focuses the laser light from the optical system onto the surface of an information recording medium, comprising: A passage hole provided in the holder and through which the laser beam from the optical system passes; and a passage hole arranged inside the holder to change the optical path of the laser beam from the optical system that has passed through the passage hole. 1. An optical head comprising: a mirror portion for making laser light incident on the condensing lens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14815088U JPH0268325U (en) | 1988-11-14 | 1988-11-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14815088U JPH0268325U (en) | 1988-11-14 | 1988-11-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0268325U true JPH0268325U (en) | 1990-05-23 |
Family
ID=31419207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14815088U Pending JPH0268325U (en) | 1988-11-14 | 1988-11-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0268325U (en) |
-
1988
- 1988-11-14 JP JP14815088U patent/JPH0268325U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH11110768A (en) | Optical pickup device | |
| JPH0268325U (en) | ||
| JPS5982337U (en) | optical pick up | |
| JPH0332726U (en) | ||
| JPS61140429U (en) | ||
| JPH0280319U (en) | ||
| JPH0449324U (en) | ||
| JPH0462512U (en) | ||
| JPS61140430U (en) | ||
| JPS61126641A (en) | Optical head | |
| JPS61114521U (en) | ||
| JPS6311724U (en) | ||
| JPH01133224U (en) | ||
| JPH0226129U (en) | ||
| JPS62142726U (en) | ||
| JPS61182926U (en) | ||
| JPS6035324U (en) | Optical information reading device | |
| JPS6381322U (en) | ||
| JPH01146315U (en) | ||
| JPS6031726U (en) | Optical pickup light receiving system member support mechanism | |
| JPH01154527U (en) | ||
| JPH10340474A (en) | Optical pickup device | |
| JPS63193215U (en) | ||
| JPS61105919U (en) | ||
| JPH02128221U (en) |