JPS6131382Y2 - - Google Patents

Info

Publication number
JPS6131382Y2
JPS6131382Y2 JP13438180U JP13438180U JPS6131382Y2 JP S6131382 Y2 JPS6131382 Y2 JP S6131382Y2 JP 13438180 U JP13438180 U JP 13438180U JP 13438180 U JP13438180 U JP 13438180U JP S6131382 Y2 JPS6131382 Y2 JP S6131382Y2
Authority
JP
Japan
Prior art keywords
objective lens
control signal
circuit
control
output
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
Application number
JP13438180U
Other languages
English (en)
Japanese (ja)
Other versions
JPS5756330U (OSRAM
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 JP13438180U priority Critical patent/JPS6131382Y2/ja
Publication of JPS5756330U publication Critical patent/JPS5756330U/ja
Application granted granted Critical
Publication of JPS6131382Y2 publication Critical patent/JPS6131382Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
JP13438180U 1980-09-19 1980-09-19 Expired JPS6131382Y2 (OSRAM)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13438180U JPS6131382Y2 (OSRAM) 1980-09-19 1980-09-19

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13438180U JPS6131382Y2 (OSRAM) 1980-09-19 1980-09-19

Publications (2)

Publication Number Publication Date
JPS5756330U JPS5756330U (OSRAM) 1982-04-02
JPS6131382Y2 true JPS6131382Y2 (OSRAM) 1986-09-12

Family

ID=29494574

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13438180U Expired JPS6131382Y2 (OSRAM) 1980-09-19 1980-09-19

Country Status (1)

Country Link
JP (1) JPS6131382Y2 (OSRAM)

Also Published As

Publication number Publication date
JPS5756330U (OSRAM) 1982-04-02

Similar Documents

Publication Publication Date Title
JP3774608B2 (ja) 情報再生システム
US4669072A (en) Control apparatus for optical video disk recorder/player
JPS6244330B2 (OSRAM)
JPS6223371B2 (OSRAM)
US5313441A (en) Optical recording and reproducing apparatus having a pickup head including a main prism with reflecting surfaces for splitting the reflected beam
JPS6131382Y2 (OSRAM)
JPS5847770B2 (ja) ジドウシヨウテンイチケンシユツソウチ
JPS58218053A (ja) トラツクアクセス装置
US4310911A (en) Control information detecting method and apparatus in optical-type video disc player
JP3166329B2 (ja) サンプルサーボ装置
US5150348A (en) Tracking servo utilizing beam splitter
JPS59148148A (ja) 光学式情報記録再生装置
JP2860791B2 (ja) フォーカスサーボ回路
JPH0335432A (ja) フォーカスサーボ回路
JP2858772B2 (ja) 光学的再生装置
JPS6223376B2 (OSRAM)
JPH0444808B2 (OSRAM)
JPH051533B2 (OSRAM)
JPH01235034A (ja) 自動焦点制御方式
JPS6144257Y2 (OSRAM)
JPS61283035A (ja) 光学式記録再生装置
JPS6038741A (ja) 光学的情報記録装置
JPS63285730A (ja) 光ディスク装置の自動焦点制御方法
JPH0253226A (ja) 光学的再生装置
JPH0413229A (ja) 光学的情報記録再生装置