JPH02118920A - 光学再生装置 - Google Patents

光学再生装置

Info

Publication number
JPH02118920A
JPH02118920A JP24663989A JP24663989A JPH02118920A JP H02118920 A JPH02118920 A JP H02118920A JP 24663989 A JP24663989 A JP 24663989A JP 24663989 A JP24663989 A JP 24663989A JP H02118920 A JPH02118920 A JP H02118920A
Authority
JP
Japan
Prior art keywords
output
recording medium
photodetector
focus
disk
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
JP24663989A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0467256B2 (enrdf_load_stackoverflow
Inventor
Hirohisa Yamaguchi
山口　裕久
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.)
Teac Corp
Original Assignee
Teac 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 Teac Corp filed Critical Teac Corp
Priority to JP24663989A priority Critical patent/JPH02118920A/ja
Publication of JPH02118920A publication Critical patent/JPH02118920A/ja
Publication of JPH0467256B2 publication Critical patent/JPH0467256B2/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)
JP24663989A 1989-09-22 1989-09-22 光学再生装置 Granted JPH02118920A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP24663989A JPH02118920A (ja) 1989-09-22 1989-09-22 光学再生装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP24663989A JPH02118920A (ja) 1989-09-22 1989-09-22 光学再生装置

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP19892281A Division JPS58100234A (ja) 1981-12-10 1981-12-10 光学再生装置

Publications (2)

Publication Number Publication Date
JPH02118920A true JPH02118920A (ja) 1990-05-07
JPH0467256B2 JPH0467256B2 (enrdf_load_stackoverflow) 1992-10-27

Family

ID=17151402

Family Applications (1)

Application Number Title Priority Date Filing Date
JP24663989A Granted JPH02118920A (ja) 1989-09-22 1989-09-22 光学再生装置

Country Status (1)

Country Link
JP (1) JPH02118920A (enrdf_load_stackoverflow)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5654667A (en) * 1979-10-12 1981-05-14 Pioneer Video Corp Identifying device for existence of record information of record disk reproducer
JPS5690743U (enrdf_load_stackoverflow) * 1979-12-12 1981-07-20

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5654667A (en) * 1979-10-12 1981-05-14 Pioneer Video Corp Identifying device for existence of record information of record disk reproducer
JPS5690743U (enrdf_load_stackoverflow) * 1979-12-12 1981-07-20

Also Published As

Publication number Publication date
JPH0467256B2 (enrdf_load_stackoverflow) 1992-10-27

Similar Documents

Publication Publication Date Title
EP0044194B1 (en) An optical servo-positioning system
US4630252A (en) Control apparatus for optical disc player for locating blank tracks
JPH0795516A (ja) 光ディスクプレーヤの接線方向サーボ装置
JPH0227734B2 (enrdf_load_stackoverflow)
US4532621A (en) Device and method for recording information on a disk
JPH02118920A (ja) 光学再生装置
JPS6083234A (ja) 光学式情報記録再生装置
JPS6343814B2 (enrdf_load_stackoverflow)
JPS6360448B2 (enrdf_load_stackoverflow)
US5287339A (en) Optical information processing apparatus for holding a lens at a predetermined position along a tracking path at pulling-in of focusing control
JP2731237B2 (ja) 光学式情報記録再生装置
JP2609721B2 (ja) 光学式記録情報読取装置
JP2510095B2 (ja) 光学再生装置
JP2674552B2 (ja) 光記録再生装置
JPS6089836A (ja) デイスクレコ−ド再生装置のトラツキング制御回路
US20030214709A1 (en) Focus search method and reproducing apparatus
JPS6265241A (ja) フオ−カスサ−ボ装置
JPS58150172A (ja) 円盤状記録媒体の読取装置
JP2863165B2 (ja) トラッキング装置
JPS595968B2 (ja) 情報再生装置
JPS59127239A (ja) 情報記録再生装置
JPS62157331A (ja) 光デイスク装置
JPS58121143A (ja) 信号再生装置
JPH03160626A (ja) トラッキング引込み装置
JPS59165278A (ja) 情報トラックの検索装置