JPS6196528A - 光学式ピックアップ装置 - Google Patents

光学式ピックアップ装置

Info

Publication number
JPS6196528A
JPS6196528A JP21777984A JP21777984A JPS6196528A JP S6196528 A JPS6196528 A JP S6196528A JP 21777984 A JP21777984 A JP 21777984A JP 21777984 A JP21777984 A JP 21777984A JP S6196528 A JPS6196528 A JP S6196528A
Authority
JP
Japan
Prior art keywords
signal
polarity
optical pickup
difference
moving direction
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.)
Granted
Application number
JP21777984A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0568011B2 (enExample
Inventor
Shigeaki Wachi
滋明 和智
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.)
Sony Corp
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Priority to JP21777984A priority Critical patent/JPS6196528A/ja
Publication of JPS6196528A publication Critical patent/JPS6196528A/ja
Publication of JPH0568011B2 publication Critical patent/JPH0568011B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Optical Recording Or Reproduction (AREA)
JP21777984A 1984-10-17 1984-10-17 光学式ピックアップ装置 Granted JPS6196528A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP21777984A JPS6196528A (ja) 1984-10-17 1984-10-17 光学式ピックアップ装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP21777984A JPS6196528A (ja) 1984-10-17 1984-10-17 光学式ピックアップ装置

Publications (2)

Publication Number Publication Date
JPS6196528A true JPS6196528A (ja) 1986-05-15
JPH0568011B2 JPH0568011B2 (enExample) 1993-09-28

Family

ID=16709596

Family Applications (1)

Application Number Title Priority Date Filing Date
JP21777984A Granted JPS6196528A (ja) 1984-10-17 1984-10-17 光学式ピックアップ装置

Country Status (1)

Country Link
JP (1) JPS6196528A (enExample)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5877036A (ja) * 1981-10-30 1983-05-10 Olympus Optical Co Ltd ピット中心検出方法

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5877036A (ja) * 1981-10-30 1983-05-10 Olympus Optical Co Ltd ピット中心検出方法

Also Published As

Publication number Publication date
JPH0568011B2 (enExample) 1993-09-28

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