JPH0563844B2 - - Google Patents

Info

Publication number
JPH0563844B2
JPH0563844B2 JP27896085A JP27896085A JPH0563844B2 JP H0563844 B2 JPH0563844 B2 JP H0563844B2 JP 27896085 A JP27896085 A JP 27896085A JP 27896085 A JP27896085 A JP 27896085A JP H0563844 B2 JPH0563844 B2 JP H0563844B2
Authority
JP
Japan
Prior art keywords
signal
tracking
sum
tracking error
polarity
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 - Fee Related
Application number
JP27896085A
Other languages
English (en)
Japanese (ja)
Other versions
JPS62140248A (ja
Inventor
Nobutaka Oonuki
Junichi Ikoma
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 JP27896085A priority Critical patent/JPS62140248A/ja
Priority to KR860010349A priority patent/KR870006556A/ko
Priority to US06/941,803 priority patent/US4805163A/en
Publication of JPS62140248A publication Critical patent/JPS62140248A/ja
Publication of JPH0563844B2 publication Critical patent/JPH0563844B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
  • Optical Recording Or Reproduction (AREA)
JP27896085A 1985-12-13 1985-12-13 トラツキングサ−ボ制御装置 Granted JPS62140248A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP27896085A JPS62140248A (ja) 1985-12-13 1985-12-13 トラツキングサ−ボ制御装置
KR860010349A KR870006556A (ko) 1985-12-13 1986-12-04 트랙킹서보 제어장치
US06/941,803 US4805163A (en) 1985-12-13 1986-12-15 Tracking control unit in information reproducing apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP27896085A JPS62140248A (ja) 1985-12-13 1985-12-13 トラツキングサ−ボ制御装置

Publications (2)

Publication Number Publication Date
JPS62140248A JPS62140248A (ja) 1987-06-23
JPH0563844B2 true JPH0563844B2 (enrdf_load_stackoverflow) 1993-09-13

Family

ID=17604462

Family Applications (1)

Application Number Title Priority Date Filing Date
JP27896085A Granted JPS62140248A (ja) 1985-12-13 1985-12-13 トラツキングサ−ボ制御装置

Country Status (1)

Country Link
JP (1) JPS62140248A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2732591B2 (ja) * 1988-06-30 1998-03-30 株式会社東芝 記録媒体処理装置

Also Published As

Publication number Publication date
JPS62140248A (ja) 1987-06-23

Similar Documents

Publication Publication Date Title
JPS6215864Y2 (enrdf_load_stackoverflow)
JPS6048809B2 (ja) 情報読取装置におけるトラッキングサ−ボ引込装置
US4539664A (en) Control system for optical information signal reproduction device
US5621709A (en) Tracking servo apparatus
JPH0121552B2 (enrdf_load_stackoverflow)
JPS62231430A (ja) 光デイスクのアクセス装置
JPH0563844B2 (enrdf_load_stackoverflow)
KR0157606B1 (ko) 시크 제어 장치
JP2734562B2 (ja) トラッキングサーボの方法
US5881036A (en) Technique for closed loop servo operation in optical disc tracking control
JPS6249790B2 (enrdf_load_stackoverflow)
JPH0138786Y2 (enrdf_load_stackoverflow)
JP2738226B2 (ja) 光ディスク装置
JPH05114257A (ja) トラツクサーボ異常検出装置
JP2863165B2 (ja) トラッキング装置
JPS59148185A (ja) トラツキング方式
JP2500417Y2 (ja) トラツキングサ−ボ引込装置
JP2628623B2 (ja) トラツキングサーボ装置
JPS6220900Y2 (enrdf_load_stackoverflow)
JPS63129572A (ja) 情報記録媒体デイスクトラツク位置制御装置
JPH0777035B2 (ja) トラツキングサ−ボ制御装置
JPH0743832B2 (ja) トラツキング制御装置
JPS63152028A (ja) 光学的情報記録再生装置
JPH031875B2 (enrdf_load_stackoverflow)
JPS62219377A (ja) ピツクアツプ駆動装置

Legal Events

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