JPS603929U - pick up device - Google Patents
pick up deviceInfo
- Publication number
- JPS603929U JPS603929U JP9544383U JP9544383U JPS603929U JP S603929 U JPS603929 U JP S603929U JP 9544383 U JP9544383 U JP 9544383U JP 9544383 U JP9544383 U JP 9544383U JP S603929 U JPS603929 U JP S603929U
- Authority
- JP
- Japan
- Prior art keywords
- objective lens
- side case
- drive unit
- unit side
- lens drive
- 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
Landscapes
- Optical Head (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
第１図ａ、 ｂは一般的なピックアップを示す正面図
及び平面図、第２図は従来例を示す図、第３図は本考案
の実施例を示す図である。
１はレーザ光源、３は偏光ビームスプリッタ、４は１ハ
波長板、５，６はプリズム、７は対物レンズ、１０はセ
ンサ、１１は駆動手段、２０は本体部側ケース、２１は
対物レンズ駆動部側ケース、２２は仕切板、２１ａ、２
２ａは透孔。
第２図
第３図1A and 1B are a front view and a plan view showing a general pickup, FIG. 2 is a view showing a conventional example, and FIG. 3 is a view showing an embodiment of the present invention. 1 is a laser light source, 3 is a polarizing beam splitter, 4 is a 1-wavelength plate, 5 and 6 are prisms, 7 is an objective lens, 10 is a sensor, 11 is a driving means, 20 is a main body side case, and 21 is an objective lens drive part side case, 22 is a partition plate, 21a, 2
2a is a through hole. Figure 2 Figure 3
Claims (1)
ンズ駆動部側ケースと、レーザ光源、センサー、偏光ビ
ームスプリッタ等を含む本体部側ケースとよりなる光学
式のピックアップ装置であって、 前記対物レンズ駆動部側ケースの上面に設けられた前記
対物レンズが臨む透孔に対して１ハ波長板を添着するか
若しくは前記対物レンズ駆動部側ケースと前記本体部側
ケースとを仕切る仕切板に設けられたビーム通過用の透
孔に対して１／４波長板を添着したことを特徴とするピ
ックアップ装置。[Claims for Utility Model Registration] An optical pickup device consisting of an objective lens drive unit side case that includes an objective lens and driving means for this objective lens, and a main body side case that includes a laser light source, sensor, polarizing beam splitter, etc. A one-wavelength plate is attached to a through hole provided on the upper surface of the objective lens drive unit side case and facing the objective lens, or the objective lens drive unit side case and the main body side case are connected to each other. A pickup device characterized in that a quarter wavelength plate is attached to a through hole for passing a beam provided in a partition plate that partitions the.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9544383U JPS603929U (en) | 1983-06-20 | 1983-06-20 | pick up device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9544383U JPS603929U (en) | 1983-06-20 | 1983-06-20 | pick up device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS603929U true JPS603929U (en) | 1985-01-12 |
Family
ID=30227923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9544383U Pending JPS603929U (en) | 1983-06-20 | 1983-06-20 | pick up device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS603929U (en) |
-
1983
- 1983-06-20 JP JP9544383U patent/JPS603929U/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS6026084U (en) | rainbow projection device | |
| JPS603929U (en) | pick up device | |
| JPS60135821U (en) | light pick up | |
| JPS5960743U (en) | optical pick up | |
| JPS6040034U (en) | Optical information recording or reproducing device | |
| JPS6251527U (en) | ||
| JPS5960744U (en) | optical pick up | |
| JPS6067519U (en) | Optical pick-up device | |
| JPS636524U (en) | ||
| JPS60142830U (en) | Optical element holding mechanism of optical pick-up | |
| JPS6426704U (en) | ||
| JPS6016325U (en) | pick up device | |
| JPS6064424U (en) | magneto-optical disk device | |
| JPS6387616U (en) | ||
| JPS63193215U (en) | ||
| JPS61203428U (en) | ||
| JPS6035323U (en) | Optical pick-up device | |
| JPS59173134U (en) | pick up device | |
| JPS6016327U (en) | pick up device | |
| JPS5856336U (en) | Optical component storage device | |
| JPS648227U (en) | ||
| JPH01133169U (en) | ||
| JPS6148428U (en) | ||
| JPS63151060U (en) | ||
| JPS63161424U (en) |