JPS61195527U - - Google Patents

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Publication number
JPS61195527U
JPS61195527U JP6704186U JP6704186U JPS61195527U JP S61195527 U JPS61195527 U JP S61195527U JP 6704186 U JP6704186 U JP 6704186U JP 6704186 U JP6704186 U JP 6704186U JP S61195527 U JPS61195527 U JP S61195527U
Authority
JP
Japan
Prior art keywords
semiconductor laser
laser device
output
photodetector
adder
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
JP6704186U
Other languages
English (en)
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 filed Critical
Priority to JP6704186U priority Critical patent/JPS61195527U/ja
Publication of JPS61195527U publication Critical patent/JPS61195527U/ja
Pending legal-status Critical Current

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Description

【図面の簡単な説明】
第１図は従来の半導体レーザ装置を用いた光学
式デイスク再生装置の一例を示す構成図、第２図
はこの考案の第１の実施例を示す構成図、第３図
ＡおよびＢはこの第１の実施例の動作を説明する
ための信号波形図、第４図はこの考案の第２の実
施例を示す構成図である。 図において、１は半導体レーザ素子、２は電源
、３および４は出射光、１４は光検出器、１５は
高域フイルタ、１６は増幅器、１７は加算器（変
調手段）、１８はハーフミラーである。なお、図
中同一符号は同一または相当部分を示す。

Claims (1)

    【実用新案登録請求の範囲】
  1. 半導体ターザ素子、該半導体レーザ素子の駆動
    用電源、上記半導体レーザ素子からの出射光を電
    気信号に変換する光検知器、該光検知器からの電
    気信号のうち雑音成分を抽出する高域フイルタ、
    該高域フイルタからの出力と、上記電源の出力を
    加算して上記半導体レーザ素子に印加する加算器
    を備え、該加算器の出力により上記半導体レーザ
    素子を駆動させるようにした半導体レーザ装置。
JP6704186U 1986-04-30 1986-04-30 Pending JPS61195527U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6704186U JPS61195527U (ja) 1986-04-30 1986-04-30

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6704186U JPS61195527U (ja) 1986-04-30 1986-04-30

Publications (1)

Publication Number Publication Date
JPS61195527U true JPS61195527U (ja) 1986-12-05

Family

ID=30600490

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6704186U Pending JPS61195527U (ja) 1986-04-30 1986-04-30

Country Status (1)

Country Link
JP (1) JPS61195527U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02220239A (ja) * 1989-02-20 1990-09-03 Omron Tateisi Electron Co 光学的記録再生装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5129821A (ja) * 1974-09-06 1976-03-13 Mitsubishi Electric Corp
JPS5276003A (en) * 1975-12-22 1977-06-25 Victor Co Of Japan Ltd Optical information recording system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5129821A (ja) * 1974-09-06 1976-03-13 Mitsubishi Electric Corp
JPS5276003A (en) * 1975-12-22 1977-06-25 Victor Co Of Japan Ltd Optical information recording system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02220239A (ja) * 1989-02-20 1990-09-03 Omron Tateisi Electron Co 光学的記録再生装置

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