JPS6040031U - Optical disk signal detection splitter - Google Patents
Optical disk signal detection splitterInfo
- Publication number
- JPS6040031U JPS6040031U JP13148383U JP13148383U JPS6040031U JP S6040031 U JPS6040031 U JP S6040031U JP 13148383 U JP13148383 U JP 13148383U JP 13148383 U JP13148383 U JP 13148383U JP S6040031 U JPS6040031 U JP S6040031U
- Authority
- JP
- Japan
- Prior art keywords
- optical disk
- signal detection
- optical sensor
- signals
- disk signal
- 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)
- 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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
図は本考案の実施例を示したもので、第１図は本考案ス
プリッターを用いた光ディスクの信号検出用の光学系を
示した側面図、第２図は要部の側面図、第３図は遮蔽板
部分の正面図、第４図はプリズム部分の正面図、第５図
は４分割光センサ一部分の正面図、第６図、第７図、第
８図、第９図及び第１０図は何れも４分割光センサ一部
分の正面図で本考案の作用を説明するためのものである
。
符号、ＰＢＳは偏光ビームスプリッタ−１Ｍは２つの開
口部を有する遮蔽板、ＳＰはプリズム、ＣＬ２は第２コ
リメーターレンズ、Ｅは４分割光センサ−、Ｆは焦点。The figures show an embodiment of the present invention. Fig. 1 is a side view showing an optical system for detecting signals of an optical disk using the splitter of the present invention, Fig. 2 is a side view of the main parts, and Fig. 3 is a front view of the shielding plate portion, FIG. 4 is a front view of the prism portion, FIG. 5 is a front view of a portion of the 4-split optical sensor, and FIGS. 6, 7, 8, 9, and 10. Each of these is a front view of a portion of a four-split optical sensor for explaining the operation of the present invention. PBS is a polarizing beam splitter, 1M is a shielding plate having two openings, SP is a prism, CL2 is a second collimator lens, E is a 4-split optical sensor, and F is a focal point.
Claims (1)
シング信号、トラッキング信号を分割光センサーで検出
する装置において、１個の４分割光センサーのコリメー
ターレンズの入射瞳近傍に、トラック溝の回折縞と直角
方向に傾斜角を有するプリズムと、このプリズムの対角
方向に２つの開口部を形成した遮光板とを設けて、前記
１個の４分割光センサーに２つのスポットを得ることを
特徴とする光ディスクの信号検出用スプリッター〇In a device that writes signals on an optical disc and detects focusing signals and tracking signals of a reading device using a split optical sensor, a sensor is installed near the entrance pupil of the collimator lens of one 4-split optical sensor in a direction perpendicular to the diffraction fringes of the track groove. A signal of an optical disc characterized in that a prism having an inclination angle and a light shielding plate having two openings formed in diagonal directions of the prism are provided to obtain two spots on the one four-split optical sensor. Detection splitter〇
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13148383U JPS6040031U (en) | 1983-08-25 | 1983-08-25 | Optical disk signal detection splitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13148383U JPS6040031U (en) | 1983-08-25 | 1983-08-25 | Optical disk signal detection splitter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6040031U true JPS6040031U (en) | 1985-03-20 |
Family
ID=30297236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13148383U Pending JPS6040031U (en) | 1983-08-25 | 1983-08-25 | Optical disk signal detection splitter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6040031U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57105832A (en) * | 1980-12-19 | 1982-07-01 | Matsushita Electric Ind Co Ltd | Detector for optical position |
-
1983
- 1983-08-25 JP JP13148383U patent/JPS6040031U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57105832A (en) * | 1980-12-19 | 1982-07-01 | Matsushita Electric Ind Co Ltd | Detector for optical position |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2002381A1 (en) | Optical pickup device | |
| JPS60120522U (en) | Optical recording information reading device | |
| US4633454A (en) | Optical information pickup apparatus | |
| JPS6040031U (en) | Optical disk signal detection splitter | |
| JPS6336045B2 (en) | ||
| KR920001455A (en) | Optical head | |
| JPS6232528B2 (en) | ||
| JPS61214143A (en) | Photodetector element | |
| JPS60106039A (en) | Optical information processor | |
| JPS60180325U (en) | Focus error signal detection device | |
| JP3105613B2 (en) | Information recording / reproducing device | |
| JPS58159641U (en) | Optical information recording and reproducing device | |
| JP2857245B2 (en) | Optical pickup device | |
| JPS6020025U (en) | Optical disk signal detection splitter | |
| JP2589339B2 (en) | Magneto-optical pickup device | |
| JPS5810195Y2 (en) | Optical reproduction device for information signals | |
| JPS59198539A (en) | Optical recording and reproducing device | |
| JPS59138024U (en) | optical recording and reproducing device | |
| JPS6223373B2 (en) | ||
| JPS60132620U (en) | Beam position adjustment device for optical recording and reproducing equipment | |
| JPS582733U (en) | optical information reader | |
| JPS59138025U (en) | optical recording and reproducing device | |
| JPS63117334A (en) | Optical information reproducing device | |
| JPH0391133A (en) | Optical information recording and reproducing device | |
| JPS6056925U (en) | Recorded information reading device |