JPS57113424A - Locked-track detector of recorded-information reader - Google Patents

Locked-track detector of recorded-information reader

Info

Publication number
JPS57113424A
JPS57113424A JP18817580A JP18817580A JPS57113424A JP S57113424 A JPS57113424 A JP S57113424A JP 18817580 A JP18817580 A JP 18817580A JP 18817580 A JP18817580 A JP 18817580A JP S57113424 A JPS57113424 A JP S57113424A
Authority
JP
Japan
Prior art keywords
signal
level
locked
track
gate
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
JP18817580A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6353617B2 (enrdf_load_stackoverflow
Inventor
Toshihiko Hosaka
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
Universal Pioneer Corp
Original Assignee
Pioneer Video Corp
Universal Pioneer 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, Universal Pioneer Corp filed Critical Pioneer Video Corp
Priority to JP18817580A priority Critical patent/JPS57113424A/ja
Publication of JPS57113424A publication Critical patent/JPS57113424A/ja
Publication of JPS6353617B2 publication Critical patent/JPS6353617B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Optical Recording Or Reproduction (AREA)
  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
JP18817580A 1980-12-29 1980-12-29 Locked-track detector of recorded-information reader Granted JPS57113424A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18817580A JPS57113424A (en) 1980-12-29 1980-12-29 Locked-track detector of recorded-information reader

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18817580A JPS57113424A (en) 1980-12-29 1980-12-29 Locked-track detector of recorded-information reader

Publications (2)

Publication Number Publication Date
JPS57113424A true JPS57113424A (en) 1982-07-14
JPS6353617B2 JPS6353617B2 (enrdf_load_stackoverflow) 1988-10-25

Family

ID=16219067

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18817580A Granted JPS57113424A (en) 1980-12-29 1980-12-29 Locked-track detector of recorded-information reader

Country Status (1)

Country Link
JP (1) JPS57113424A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5956231A (ja) * 1982-09-27 1984-03-31 Sony Corp 光学式デイスクプレ−ヤ

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5956231A (ja) * 1982-09-27 1984-03-31 Sony Corp 光学式デイスクプレ−ヤ

Also Published As

Publication number Publication date
JPS6353617B2 (enrdf_load_stackoverflow) 1988-10-25

Similar Documents

Publication Publication Date Title
EP0347359A3 (en) Cmos data recovery system
KR840003509A (ko) 디스크형 기록캐리어 판독장치
DE3166473D1 (en) Focus detector
JPS57199903A (en) Position detector
JPS5641533A (en) Regenerative device
JPS57113424A (en) Locked-track detector of recorded-information reader
JPS6446237A (en) Optical information recording and reproducing device
JPS6460826A (en) Optical disk recording and reproducing device
JPS6450247A (en) Optical disk recording and reproducing device
JPS57150147A (en) Optical type recorder and reproducer
JPS5555445A (en) Optical recording information reproducing device
JPS55117743A (en) Automatic focusing system
JPS5760568A (en) Controller for pickup
EP0216495A2 (en) Error signal detecting device
JPS56111136A (en) Protective device for reader of optical disc player
JPS57164448A (en) Position detecting device
JPS6430030A (en) Optical disk device
JPS5679510A (en) Automatic gain control circuit
JPS56100532A (en) Automatic gain control device
JPS57164605A (en) Amplifier
JPS57113425A (en) Locked-track detector of recorded-information reader
JPS57200951A (en) Extracting device for focus error signal
JPS6427032A (en) Focus servo-circuit
JPS5567945A (en) In-focus detector
JPS57113423A (en) Locked-track detector of recorded-information