JPS6360448B2 - - Google Patents

Info

Publication number
JPS6360448B2
JPS6360448B2 JP56198922A JP19892281A JPS6360448B2 JP S6360448 B2 JPS6360448 B2 JP S6360448B2 JP 56198922 A JP56198922 A JP 56198922A JP 19892281 A JP19892281 A JP 19892281A JP S6360448 B2 JPS6360448 B2 JP S6360448B2
Authority
JP
Japan
Prior art keywords
recording medium
output
lens
circuit
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.)
Expired
Application number
JP56198922A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58100234A (ja
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 filed Critical
Priority to JP19892281A priority Critical patent/JPS58100234A/ja
Publication of JPS58100234A publication Critical patent/JPS58100234A/ja
Publication of JPS6360448B2 publication Critical patent/JPS6360448B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/02—Control of operating function, e.g. switching from recording to reproducing
    • G11B19/10—Control of operating function, e.g. switching from recording to reproducing by sensing presence or absence of record in accessible stored position or on turntable

Landscapes

  • Optical Recording Or Reproduction (AREA)
  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
JP19892281A 1981-12-10 1981-12-10 光学再生装置 Granted JPS58100234A (ja)

Priority Applications (1)

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

Applications Claiming Priority (1)

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

Related Child Applications (1)

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

Publications (2)

Publication Number Publication Date
JPS58100234A JPS58100234A (ja) 1983-06-14
JPS6360448B2 true JPS6360448B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1988-11-24

Family

ID=16399185

Family Applications (1)

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

Country Status (1)

Country Link
JP (1) JPS58100234A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1983004329A1 (en) * 1982-06-04 1983-12-08 Sony Corporation Optical disc reproducer
JPS6280251U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1985-11-08 1987-05-22

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5914821B2 (ja) * 1975-10-23 1984-04-06 三菱電機株式会社 レコ−ドプレ−ヤ
JPS52108801A (en) * 1976-03-10 1977-09-12 Sony Corp Size detector for records
SE7813460L (sv) * 1978-03-27 1979-09-28 Mca Disco Vision Videoskivspelare
DE3038650C2 (de) * 1979-10-12 1983-05-19 Universal Pioneer Corp., Tokyo Vorrichtung zum Wiedergeben der von einer Videoplatte gelesenen Information
JPS6144256Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1979-12-12 1986-12-13

Also Published As

Publication number Publication date
JPS58100234A (ja) 1983-06-14

Similar Documents

Publication Publication Date Title
EP0418702B1 (en) Disk drive apparatus having improved initialization process
EP1028417A2 (en) Rotation servo circuit in disk player
JPH08147719A (ja) 光ディスクプレーヤにおけるトラッキング方法及び装置
JPH0227734B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP3074877B2 (ja) 光ディスクプレーヤ
JPH05109085A (ja) フオーカス制御装置
JPH1079156A (ja) デ−タ再生方法及び装置
JPH01220129A (ja) 焦点捕捉装置及び方法
JPS6360448B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
US5237549A (en) Magneto-optical disk storage device having optical head applicable to different types of magneto-optical disks
JPS6343814B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPS6313260B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPH07118084B2 (ja) 光情報再生装置
JPS6313262B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPH0467256B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPS6098534A (ja) トラツキング引き込み装置
JP2510095B2 (ja) 光学再生装置
JP2583640B2 (ja) 光ディスク装置
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
JPS6148134A (ja) 光デイスク装置
JPH0444327B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP2863165B2 (ja) トラッキング装置
JPS61156541A (ja) 光情報記録再生装置
JPH0450655B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)