JPS6020025U - Optical disk signal detection splitter - Google Patents

Optical disk signal detection splitter

Info

Publication number
JPS6020025U
JPS6020025U JP10994083U JP10994083U JPS6020025U JP S6020025 U JPS6020025 U JP S6020025U JP 10994083 U JP10994083 U JP 10994083U JP 10994083 U JP10994083 U JP 10994083U JP S6020025 U JPS6020025 U JP S6020025U
Authority
JP
Japan
Prior art keywords
signal detection
optical disk
disk signal
detection splitter
splitter
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
JP10994083U
Other languages
Japanese (ja)
Inventor
東浦 一雄
Original Assignee
日東光学株式会社
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 日東光学株式会社 filed Critical 日東光学株式会社
Priority to JP10994083U priority Critical patent/JPS6020025U/en
Publication of JPS6020025U publication Critical patent/JPS6020025U/en
Pending legal-status Critical Current

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  • Optical Recording Or Reproduction (AREA)
  • 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) [Abstract] 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 the drawing]

図は本考案の実施例を示したもので第1図はスプリット
プリズムによる光ディスクの信号読取り装置の平面図、
第2図は第1図の側面図、第3図はスプリットプリズム
の斜視図、第4図は4分割光センサーの正面図、第5図
はスプリットプリズムと第2コリメーターレンズを一体
化した斜視図、第6図は本考案の別の応用例を示した平
面図、第7図は第6図の側面図、第8図はスプリットミ
ラ   ′−を用いた本考案の実施例、第9図は第8図
の側面図である。 符合、LDはレーザーダイオード、PBSは偏光ビーム
スプリッタ、DKは光ディスク、SPはスプリットプリ
ズム、SP′ はスプリットミラー、Eは4分割光セン
サーである。
The figures show an embodiment of the present invention. Fig. 1 is a plan view of an optical disk signal reading device using a split prism;
Figure 2 is a side view of Figure 1, Figure 3 is a perspective view of the split prism, Figure 4 is a front view of the 4-split optical sensor, and Figure 5 is a perspective view of the split prism and second collimator lens integrated. Fig. 6 is a plan view showing another application example of the present invention, Fig. 7 is a side view of Fig. 6, Fig. 8 is an embodiment of the present invention using a split mirror, and Fig. 9 is a side view of FIG. 8; LD is a laser diode, PBS is a polarizing beam splitter, DK is an optical disk, SP is a split prism, SP' is a split mirror, and E is a 4-split optical sensor.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 光ディスクの信号書き込みや読み取り装置のフォーカシ
ング信号を検出する装置において、4分割光センサーの
手前にあって、4分割光センサーに2つのスポットを得
るようにした光ディスクの信号検出用スプリッター。
An optical disc signal detection splitter that is located in front of a 4-split optical sensor to obtain two spots on the 4-split optical sensor in a device for writing signals on an optical disc and detecting focusing signals of a reading device.
JP10994083U 1983-07-15 1983-07-15 Optical disk signal detection splitter Pending JPS6020025U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10994083U JPS6020025U (en) 1983-07-15 1983-07-15 Optical disk signal detection splitter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10994083U JPS6020025U (en) 1983-07-15 1983-07-15 Optical disk signal detection splitter

Publications (1)

Publication Number Publication Date
JPS6020025U true JPS6020025U (en) 1985-02-12

Family

ID=30255899

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10994083U Pending JPS6020025U (en) 1983-07-15 1983-07-15 Optical disk signal detection splitter

Country Status (1)

Country Link
JP (1) JPS6020025U (en)

Citations (1)

* Cited by examiner, † Cited by third party
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

Patent Citations (1)

* Cited by examiner, † Cited by third party
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

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