JP2522634Y2 - 光ピックアップ - Google Patents

光ピックアップ

Info

Publication number
JP2522634Y2
JP2522634Y2 JP1988125951U JP12595188U JP2522634Y2 JP 2522634 Y2 JP2522634 Y2 JP 2522634Y2 JP 1988125951 U JP1988125951 U JP 1988125951U JP 12595188 U JP12595188 U JP 12595188U JP 2522634 Y2 JP2522634 Y2 JP 2522634Y2
Authority
JP
Japan
Prior art keywords
signal
output
optical pickup
circuit
photodetectors
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
JP1988125951U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0246924U (enrdf_load_stackoverflow
Inventor
正美 湯浅
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 JP1988125951U priority Critical patent/JP2522634Y2/ja
Publication of JPH0246924U publication Critical patent/JPH0246924U/ja
Application granted granted Critical
Publication of JP2522634Y2 publication Critical patent/JP2522634Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Optical Head (AREA)
  • Optical Recording Or Reproduction (AREA)
JP1988125951U 1988-09-27 1988-09-27 光ピックアップ Expired - Lifetime JP2522634Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988125951U JP2522634Y2 (ja) 1988-09-27 1988-09-27 光ピックアップ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988125951U JP2522634Y2 (ja) 1988-09-27 1988-09-27 光ピックアップ

Publications (2)

Publication Number Publication Date
JPH0246924U JPH0246924U (enrdf_load_stackoverflow) 1990-03-30
JP2522634Y2 true JP2522634Y2 (ja) 1997-01-16

Family

ID=31377015

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988125951U Expired - Lifetime JP2522634Y2 (ja) 1988-09-27 1988-09-27 光ピックアップ

Country Status (1)

Country Link
JP (1) JP2522634Y2 (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009271646A (ja) * 2008-05-02 2009-11-19 Rohm Co Ltd 信号処理装置及びこれを用いたメディア駆動装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2512742B2 (ja) * 1987-04-10 1996-07-03 パイオニア株式会社 光ピックアップ装置
JP2512743B2 (ja) * 1987-04-10 1996-07-03 パイオニア株式会社 光ピックアップ装置

Also Published As

Publication number Publication date
JPH0246924U (enrdf_load_stackoverflow) 1990-03-30

Similar Documents

Publication Publication Date Title
US4720825A (en) Optical data reproducing devices having improved trick play capability
US5909422A (en) Optical disk reading method for multi-layered optical disk system
JPS5817549A (ja) 光学的トラツク追従装置
JP2522634Y2 (ja) 光ピックアップ
EP0273295A2 (en) Optical pick-up apparatus
KR20030005380A (ko) 디스크드라이브장치와 정보독출방법
KR20010075535A (ko) 광기록매체 및 광기록매체의 재생장치 및 재생방법
US5329508A (en) Regenerating device for optical recording medium in which overlapping regions are read out by a light beam in a time sharing manner to provide servo control of the positional relationship between the light beam and the medium
JPH07105540A (ja) 光学式情報読み取り方法及び装置
JP3070783B2 (ja) 光デイスク装置
JP3851713B2 (ja) 光ディスク再生システムのトラッキング制御装置
JPH011121A (ja) 光ディスク再生装置
JP2797562B2 (ja) 光記録装置のトラッキング方法
JPH0652571B2 (ja) 光ディスク再生装置
JPH0724111B2 (ja) 光学式デイスク再生装置のフオ−カスサ−ボゲイン調整回路
JPS60173724A (ja) 光学式情報再生装置
JP2589688B2 (ja) 光学式再生装置
JP2696918B2 (ja) 光ディスク装置
KR0143815B1 (ko) 고밀도 재생 광픽업 장치 및 그 방법
JPH09251650A (ja) 記録再生装置およびトラッキングエラー検出装置
KR100197626B1 (ko) 1빔 픽업의 트랙제로크로싱신호 보상장치
JPH0517612B2 (enrdf_load_stackoverflow)
JPH07105058B2 (ja) 光学的情報記録再生装置
JP3259335B2 (ja) 光ディスク再生装置及び記録再生装置
JPH0371439A (ja) 光ディスク装置のトラッキングサーボ方法及びその装置