JPH028378B2 - - Google Patents

Info

Publication number
JPH028378B2
JPH028378B2 JP18702982A JP18702982A JPH028378B2 JP H028378 B2 JPH028378 B2 JP H028378B2 JP 18702982 A JP18702982 A JP 18702982A JP 18702982 A JP18702982 A JP 18702982A JP H028378 B2 JPH028378 B2 JP H028378B2
Authority
JP
Japan
Prior art keywords
signal
circuit
tracking
focus
error detection
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
JP18702982A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5977636A (ja
Inventor
Shohei Yamazaki
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.)
Yamaha Corp
Original Assignee
Yamaha 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 Yamaha Corp filed Critical Yamaha Corp
Priority to JP18702982A priority Critical patent/JPS5977636A/ja
Publication of JPS5977636A publication Critical patent/JPS5977636A/ja
Publication of JPH028378B2 publication Critical patent/JPH028378B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Optical Recording Or Reproduction (AREA)
JP18702982A 1982-10-25 1982-10-25 デイスク再生装置におけるピツクアツプの制御装置 Granted JPS5977636A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18702982A JPS5977636A (ja) 1982-10-25 1982-10-25 デイスク再生装置におけるピツクアツプの制御装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18702982A JPS5977636A (ja) 1982-10-25 1982-10-25 デイスク再生装置におけるピツクアツプの制御装置

Publications (2)

Publication Number Publication Date
JPS5977636A JPS5977636A (ja) 1984-05-04
JPH028378B2 true JPH028378B2 (OSRAM) 1990-02-23

Family

ID=16198939

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18702982A Granted JPS5977636A (ja) 1982-10-25 1982-10-25 デイスク再生装置におけるピツクアツプの制御装置

Country Status (1)

Country Link
JP (1) JPS5977636A (OSRAM)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61177644A (ja) * 1985-01-31 1986-08-09 Matsushita Electric Ind Co Ltd フオ−カスサ−ボ装置
JPS61190724A (ja) * 1985-02-19 1986-08-25 Pioneer Electronic Corp フオ−カスサ−ボ装置
JPH01138214U (OSRAM) * 1988-03-11 1989-09-21
JP3059622B2 (ja) * 1994-01-10 2000-07-04 富士通株式会社 光ディスク装置
US5566296A (en) * 1994-10-26 1996-10-15 Fujitsu Limited Method and apparatus for eliminating noises with a read operation of magnetic disk unit
JP6853066B2 (ja) * 2017-02-28 2021-03-31 京セラ株式会社 反射鏡部材

Also Published As

Publication number Publication date
JPS5977636A (ja) 1984-05-04

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