JPS6349282B2 - - Google Patents

Info

Publication number
JPS6349282B2
JPS6349282B2 JP55179975A JP17997580A JPS6349282B2 JP S6349282 B2 JPS6349282 B2 JP S6349282B2 JP 55179975 A JP55179975 A JP 55179975A JP 17997580 A JP17997580 A JP 17997580A JP S6349282 B2 JPS6349282 B2 JP S6349282B2
Authority
JP
Japan
Prior art keywords
recording
light
disk
track
recording track
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
JP55179975A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57103110A (en
Inventor
Takashi Nishio
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.)
PAIONIA BIDEO KK
PAIONIA KK
Original Assignee
PAIONIA BIDEO KK
PAIONIA KK
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 PAIONIA BIDEO KK, PAIONIA KK filed Critical PAIONIA BIDEO KK
Priority to JP17997580A priority Critical patent/JPS57103110A/ja
Publication of JPS57103110A publication Critical patent/JPS57103110A/ja
Publication of JPS6349282B2 publication Critical patent/JPS6349282B2/ja
Granted legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B17/00Guiding record carriers not specifically of filamentary or web form, or of supports therefor
    • G11B17/02Details
    • G11B17/022Positioning or locking of single discs

Landscapes

  • Manufacturing Optical Record Carriers (AREA)
JP17997580A 1980-12-19 1980-12-19 Centering device for recording track of recording disk Granted JPS57103110A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17997580A JPS57103110A (en) 1980-12-19 1980-12-19 Centering device for recording track of recording disk

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17997580A JPS57103110A (en) 1980-12-19 1980-12-19 Centering device for recording track of recording disk

Publications (2)

Publication Number Publication Date
JPS57103110A JPS57103110A (en) 1982-06-26
JPS6349282B2 true JPS6349282B2 (enrdf_load_stackoverflow) 1988-10-04

Family

ID=16075250

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17997580A Granted JPS57103110A (en) 1980-12-19 1980-12-19 Centering device for recording track of recording disk

Country Status (1)

Country Link
JP (1) JPS57103110A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8503411A (nl) * 1985-12-11 1987-07-01 Philips Nv Inrichting voor het bepalen van een centreringsfout van een ronde spoorvormige informatiestruktuur in een optische registratiedrager ten opzichte van de draaiingsas van een draaitafel waarop de registratiedrager is aangebracht, alsmede een apparaat voorzien van een dergelijke inrichting en een registratiedrager geschikt voor gebruik in deze inrichting.

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3012433C1 (de) * 1980-03-31 1981-10-01 Polygram Gmbh, 2000 Hamburg Vorrichtung zum Zentrieren fuer die Herstellung eines Mittellochs in Platten

Also Published As

Publication number Publication date
JPS57103110A (en) 1982-06-26

Similar Documents

Publication Publication Date Title
US4731772A (en) Optical head using hologram lens for both beam splitting and focus error detection functions
US4544838A (en) Method and apparatus for detecting tracking error
US4525826A (en) Optical track position detecting apparatus and optical information processor using the same
US5835471A (en) Optical information recording and/or reproducing apparatus
EP0410639B1 (en) Optical recording and/or reproducing apparatus
JPS6349282B2 (enrdf_load_stackoverflow)
JPS6349281B2 (enrdf_load_stackoverflow)
JPH0517528B2 (enrdf_load_stackoverflow)
JPS6071903A (ja) 光ディスク検査装置
JPS6349283B2 (enrdf_load_stackoverflow)
US6538976B1 (en) Optical spot generation device for recording medium
JPS6113289B2 (enrdf_load_stackoverflow)
KR100722325B1 (ko) 광 픽업 및 광 디스크 장치
JPS58121135A (ja) フオ−カスサ−ボ装置
JPH0482021A (ja) 光記録再生装置
JPH0610490Y2 (ja) 光学式情報読取装置
KR100200867B1 (ko) 이층 기록 재생용 광픽업장치
JPH0718020Y2 (ja) 光学式消去ヘッド
JP2732633B2 (ja) 光情報処理装置
JP2667685B2 (ja) 光メモリ装置および光メモリ装置のトラッキング誤差検出方法
JPS6224859B2 (enrdf_load_stackoverflow)
JPH0656661B2 (ja) スポツト位置合わせ方法および光ディスク装置
JPS59217235A (ja) 光学式情報再生装置
JPS6213729B2 (enrdf_load_stackoverflow)
JPH01162234A (ja) マルチビーム光学ヘッド装置