JPS6446385A - Tracking controller in information reader - Google Patents

Tracking controller in information reader

Info

Publication number
JPS6446385A
JPS6446385A JP63192453A JP19245388A JPS6446385A JP S6446385 A JPS6446385 A JP S6446385A JP 63192453 A JP63192453 A JP 63192453A JP 19245388 A JP19245388 A JP 19245388A JP S6446385 A JPS6446385 A JP S6446385A
Authority
JP
Japan
Prior art keywords
servo loop
signal
pickup
opening
circuit
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
JP63192453A
Other languages
English (en)
Japanese (ja)
Other versions
JPH031875B2 (enrdf_load_stackoverflow
Inventor
Takashi Okano
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 Video Corp
Pioneer Corp
Original Assignee
Pioneer Video Corp
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 Video Corp, Pioneer Electronic Corp filed Critical Pioneer Video Corp
Priority to JP63192453A priority Critical patent/JPS6446385A/ja
Publication of JPS6446385A publication Critical patent/JPS6446385A/ja
Publication of JPH031875B2 publication Critical patent/JPH031875B2/ja
Granted legal-status Critical Current

Links

JP63192453A 1988-08-01 1988-08-01 Tracking controller in information reader Granted JPS6446385A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP63192453A JPS6446385A (en) 1988-08-01 1988-08-01 Tracking controller in information reader

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63192453A JPS6446385A (en) 1988-08-01 1988-08-01 Tracking controller in information reader

Publications (2)

Publication Number Publication Date
JPS6446385A true JPS6446385A (en) 1989-02-20
JPH031875B2 JPH031875B2 (enrdf_load_stackoverflow) 1991-01-11

Family

ID=16291553

Family Applications (1)

Application Number Title Priority Date Filing Date
JP63192453A Granted JPS6446385A (en) 1988-08-01 1988-08-01 Tracking controller in information reader

Country Status (1)

Country Link
JP (1) JPS6446385A (enrdf_load_stackoverflow)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5226802A (en) * 1975-08-21 1977-02-28 Philips Nv Device for reading diskklike recording carrier

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5226802A (en) * 1975-08-21 1977-02-28 Philips Nv Device for reading diskklike recording carrier

Also Published As

Publication number Publication date
JPH031875B2 (enrdf_load_stackoverflow) 1991-01-11

Similar Documents

Publication Publication Date Title
JPS5658141A (en) Tracking servo read-in device for information reader
JPS62287485A (ja) トラツキングサ−ボ装置
JPS6460879A (en) Scanning method in disk player
US6236032B1 (en) Tracking pull-in circuit for reducing effect by a defect in a tracking servo loop
JPH02198036A (ja) 光情報記録および/または再生装置における光スポットの移動方向検出装置
JPS6450286A (en) Optical disk device
JPS57120275A (en) Tracking servo lead-in system of recorded information reader
EP0464986A2 (en) Tracking servo apparatus
JPS6446385A (en) Tracking controller in information reader
JPS5599889A (en) Tracking control unit in information reader
JPS5532239A (en) Reproducing device
JPS5658140A (en) Tracking servo device for information reader
JPS56157182A (en) Tracking system
JPH02105336A (ja) トラッキングサーボの方法
US6574175B1 (en) Track jump control device for optical disc drive and method thereof
MY116645A (en) Improved optical disc tracking control
JPS6448235A (en) Focus control circuit
JPS6457427A (en) Focus servo control system for optical disk device
JPS5541582A (en) Speed servo control system
JPS5532240A (en) Reproducing device
EP0158245A2 (en) Skip circuit for recorded information reproducing unit
JPS57113430A (en) Focus servo leading-device
JPS641169A (en) Optical disk device
JPS5625272A (en) Rotary phase modification system of vtr
JP2628623B2 (ja) トラツキングサーボ装置