JPH0341903B2 - - Google Patents

Info

Publication number
JPH0341903B2
JPH0341903B2 JP62131143A JP13114387A JPH0341903B2 JP H0341903 B2 JPH0341903 B2 JP H0341903B2 JP 62131143 A JP62131143 A JP 62131143A JP 13114387 A JP13114387 A JP 13114387A JP H0341903 B2 JPH0341903 B2 JP H0341903B2
Authority
JP
Japan
Prior art keywords
semiconductor laser
light
semiconductor
light source
laser
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.)
Expired - Lifetime
Application number
JP62131143A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6352343A (ja
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 JP62131143A priority Critical patent/JPS6352343A/ja
Publication of JPS6352343A publication Critical patent/JPS6352343A/ja
Publication of JPH0341903B2 publication Critical patent/JPH0341903B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Optical Head (AREA)
  • Optical Recording Or Reproduction (AREA)
JP62131143A 1987-05-29 1987-05-29 半導体レ−ザ光源 Granted JPS6352343A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62131143A JPS6352343A (ja) 1987-05-29 1987-05-29 半導体レ−ザ光源

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62131143A JPS6352343A (ja) 1987-05-29 1987-05-29 半導体レ−ザ光源

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP58097832A Division JPS58218054A (ja) 1983-06-03 1983-06-03 情報処理装置

Publications (2)

Publication Number Publication Date
JPS6352343A JPS6352343A (ja) 1988-03-05
JPH0341903B2 true JPH0341903B2 (enrdf_load_stackoverflow) 1991-06-25

Family

ID=15051006

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62131143A Granted JPS6352343A (ja) 1987-05-29 1987-05-29 半導体レ−ザ光源

Country Status (1)

Country Link
JP (1) JPS6352343A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS6352343A (ja) 1988-03-05

Similar Documents

Publication Publication Date Title
US4669072A (en) Control apparatus for optical video disk recorder/player
JP2664327B2 (ja) 光学的ヘッド及び光学的記録再生方法
EP0260569A2 (en) Optical pick-up device
JPS58169354A (ja) 情報記録円板
JPH0341903B2 (enrdf_load_stackoverflow)
JPH07192281A (ja) 光ピックアップ装置
JPS6252366B2 (enrdf_load_stackoverflow)
KR100322595B1 (ko) 광디스크 틸트 검출방법
JP2763174B2 (ja) 光ピックアップ装置
JPH03157821A (ja) 光ピックアップ
JPS5982337U (ja) 光学式ピツクアツプ
US5146444A (en) Servo control loop
KR100269162B1 (ko) 빔스프리터및이를이용한기록재생용광픽업
JPH02187929A (ja) 光学ヘッド
KR100200815B1 (ko) 포커스 에러 검출방법
JPS6020322A (ja) 光デイスクピツクアツプ装置
JPH0863778A (ja) 光学ピックアップ
JPS5947366B2 (ja) ジドウシヨウテンソウチ
JPS60167133A (ja) 情報再生装置
JPH02216629A (ja) 光ヘッド装置
JPS62112246A (ja) ピツクアツプ装置
JPH03144922A (ja) フォーカス制御装置
JPS599976B2 (ja) 情報再生装置
JPS63259845A (ja) 光ピツクアツプ装置
JPH0461635A (ja) 光ディスク用光半導体素子