JPH0548532B2 - - Google Patents

Info

Publication number
JPH0548532B2
JPH0548532B2 JP59151216A JP15121684A JPH0548532B2 JP H0548532 B2 JPH0548532 B2 JP H0548532B2 JP 59151216 A JP59151216 A JP 59151216A JP 15121684 A JP15121684 A JP 15121684A JP H0548532 B2 JPH0548532 B2 JP H0548532B2
Authority
JP
Japan
Prior art keywords
tracking
focus
circuit
light receiving
light
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
JP59151216A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6132225A (ja
Inventor
Yoshio Miura
Motoyuki Suzuki
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP15121684A priority Critical patent/JPS6132225A/ja
Publication of JPS6132225A publication Critical patent/JPS6132225A/ja
Publication of JPH0548532B2 publication Critical patent/JPH0548532B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Optical Recording Or Reproduction (AREA)
JP15121684A 1984-07-23 1984-07-23 光方式記録再生装置 Granted JPS6132225A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15121684A JPS6132225A (ja) 1984-07-23 1984-07-23 光方式記録再生装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15121684A JPS6132225A (ja) 1984-07-23 1984-07-23 光方式記録再生装置

Publications (2)

Publication Number Publication Date
JPS6132225A JPS6132225A (ja) 1986-02-14
JPH0548532B2 true JPH0548532B2 (en]) 1993-07-21

Family

ID=15513776

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15121684A Granted JPS6132225A (ja) 1984-07-23 1984-07-23 光方式記録再生装置

Country Status (1)

Country Link
JP (1) JPS6132225A (en])

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03263620A (ja) * 1990-03-13 1991-11-25 Pioneer Electron Corp ディスクプレーヤのサーボ装置
JP3819165B2 (ja) * 1998-11-19 2006-09-06 パイオニア株式会社 利得制御装置及び方法、情報再生装置及び方法並びに情報記録装置及び方法
ES2701602T1 (es) 2013-07-12 2019-02-25 Country Cocky Pty Ltd Válvula de red de riego

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6032264B2 (ja) * 1977-03-08 1985-07-26 松下電器産業株式会社 光学的再生装置

Also Published As

Publication number Publication date
JPS6132225A (ja) 1986-02-14

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