JPS61158036A - フオ−カスサ−ボ引き込み装置 - Google Patents

フオ−カスサ−ボ引き込み装置

Info

Publication number
JPS61158036A
JPS61158036A JP27846184A JP27846184A JPS61158036A JP S61158036 A JPS61158036 A JP S61158036A JP 27846184 A JP27846184 A JP 27846184A JP 27846184 A JP27846184 A JP 27846184A JP S61158036 A JPS61158036 A JP S61158036A
Authority
JP
Japan
Prior art keywords
reference potential
focus
peak
focus servo
error signal
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
JP27846184A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0519772B2 (enrdf_load_stackoverflow
Inventor
Norio Matsuda
則夫 松田
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.)
Pioneer Corp
Original Assignee
Pioneer Electronic 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 Pioneer Electronic Corp filed Critical Pioneer Electronic Corp
Priority to JP27846184A priority Critical patent/JPS61158036A/ja
Publication of JPS61158036A publication Critical patent/JPS61158036A/ja
Publication of JPH0519772B2 publication Critical patent/JPH0519772B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
JP27846184A 1984-12-28 1984-12-28 フオ−カスサ−ボ引き込み装置 Granted JPS61158036A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP27846184A JPS61158036A (ja) 1984-12-28 1984-12-28 フオ−カスサ−ボ引き込み装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP27846184A JPS61158036A (ja) 1984-12-28 1984-12-28 フオ−カスサ−ボ引き込み装置

Publications (2)

Publication Number Publication Date
JPS61158036A true JPS61158036A (ja) 1986-07-17
JPH0519772B2 JPH0519772B2 (enrdf_load_stackoverflow) 1993-03-17

Family

ID=17597649

Family Applications (1)

Application Number Title Priority Date Filing Date
JP27846184A Granted JPS61158036A (ja) 1984-12-28 1984-12-28 フオ−カスサ−ボ引き込み装置

Country Status (1)

Country Link
JP (1) JPS61158036A (enrdf_load_stackoverflow)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61165826A (ja) * 1985-01-16 1986-07-26 Sanyo Electric Co Ltd フオ−カスサ−ボ引込回路
JPH0264918A (ja) * 1988-08-31 1990-03-05 Matsushita Electric Ind Co Ltd フォーカス制御装置
JPH02163730A (ja) * 1988-12-16 1990-06-25 Matsushita Electric Ind Co Ltd 投写型表示装置
US5901122A (en) * 1995-10-18 1999-05-04 Sony Corporation Focus drive circuit and focus search method based on relative positional relationship between disc and objective lens
US7817508B2 (en) 2006-07-28 2010-10-19 Sony Computer Entertainment Inc. Optical disk unit, control method for optical disk unit, and computer readable storage medium

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0667205U (ja) * 1993-03-05 1994-09-22 市光工業株式会社 配線用グロメット

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61165826A (ja) * 1985-01-16 1986-07-26 Sanyo Electric Co Ltd フオ−カスサ−ボ引込回路
JPH0264918A (ja) * 1988-08-31 1990-03-05 Matsushita Electric Ind Co Ltd フォーカス制御装置
JPH02163730A (ja) * 1988-12-16 1990-06-25 Matsushita Electric Ind Co Ltd 投写型表示装置
US5901122A (en) * 1995-10-18 1999-05-04 Sony Corporation Focus drive circuit and focus search method based on relative positional relationship between disc and objective lens
US7817508B2 (en) 2006-07-28 2010-10-19 Sony Computer Entertainment Inc. Optical disk unit, control method for optical disk unit, and computer readable storage medium

Also Published As

Publication number Publication date
JPH0519772B2 (enrdf_load_stackoverflow) 1993-03-17

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees