JPH0520815B2 - - Google Patents

Info

Publication number
JPH0520815B2
JPH0520815B2 JP11248285A JP11248285A JPH0520815B2 JP H0520815 B2 JPH0520815 B2 JP H0520815B2 JP 11248285 A JP11248285 A JP 11248285A JP 11248285 A JP11248285 A JP 11248285A JP H0520815 B2 JPH0520815 B2 JP H0520815B2
Authority
JP
Japan
Prior art keywords
circuit
optical pickup
optical
oscillation
focus
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
JP11248285A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61283033A (ja
Inventor
Masami Shimizu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sanyo Electric Co Ltd
Original Assignee
Sanyo Electric Co Ltd
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 Sanyo Electric Co Ltd filed Critical Sanyo Electric Co Ltd
Priority to JP11248285A priority Critical patent/JPS61283033A/ja
Publication of JPS61283033A publication Critical patent/JPS61283033A/ja
Publication of JPH0520815B2 publication Critical patent/JPH0520815B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
JP11248285A 1985-05-24 1985-05-24 自動焦点引き込み装置 Granted JPS61283033A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11248285A JPS61283033A (ja) 1985-05-24 1985-05-24 自動焦点引き込み装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11248285A JPS61283033A (ja) 1985-05-24 1985-05-24 自動焦点引き込み装置

Publications (2)

Publication Number Publication Date
JPS61283033A JPS61283033A (ja) 1986-12-13
JPH0520815B2 true JPH0520815B2 (en, 2012) 1993-03-22

Family

ID=14587744

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11248285A Granted JPS61283033A (ja) 1985-05-24 1985-05-24 自動焦点引き込み装置

Country Status (1)

Country Link
JP (1) JPS61283033A (en, 2012)

Also Published As

Publication number Publication date
JPS61283033A (ja) 1986-12-13

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