JPH053660B2 - - Google Patents

Info

Publication number
JPH053660B2
JPH053660B2 JP8348285A JP8348285A JPH053660B2 JP H053660 B2 JPH053660 B2 JP H053660B2 JP 8348285 A JP8348285 A JP 8348285A JP 8348285 A JP8348285 A JP 8348285A JP H053660 B2 JPH053660 B2 JP H053660B2
Authority
JP
Japan
Prior art keywords
data
reference line
signal
reading
duration
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 - Lifetime
Application number
JP8348285A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61242339A (ja
Inventor
Fumio Kimura
Shunzo Takahashi
Yukio Hamazaki
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.)
CSK Corp
Original Assignee
CSK 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 CSK Corp filed Critical CSK Corp
Priority to JP8348285A priority Critical patent/JPS61242339A/ja
Priority to US06/853,339 priority patent/US4855981A/en
Priority to EP86302929A priority patent/EP0200434B1/fr
Priority to DE8686302929T priority patent/DE3675426D1/de
Publication of JPS61242339A publication Critical patent/JPS61242339A/ja
Publication of JPH053660B2 publication Critical patent/JPH053660B2/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)
JP8348285A 1985-04-18 1985-04-18 光記録媒体の基準線検知装置 Granted JPS61242339A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP8348285A JPS61242339A (ja) 1985-04-18 1985-04-18 光記録媒体の基準線検知装置
US06/853,339 US4855981A (en) 1985-04-18 1986-04-17 Method and device for reading out optically recorded data and compensating for a drastic change in the position of a line to be read
EP86302929A EP0200434B1 (fr) 1985-04-18 1986-04-18 Procédé de lecture de données enregistrées optiquement et dispositif à cet effet
DE8686302929T DE3675426D1 (de) 1985-04-18 1986-04-18 Verfahren zum lesen optisch aufgezeichneter daten und vorrichtung dafuer.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8348285A JPS61242339A (ja) 1985-04-18 1985-04-18 光記録媒体の基準線検知装置

Publications (2)

Publication Number Publication Date
JPS61242339A JPS61242339A (ja) 1986-10-28
JPH053660B2 true JPH053660B2 (fr) 1993-01-18

Family

ID=13803685

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8348285A Granted JPS61242339A (ja) 1985-04-18 1985-04-18 光記録媒体の基準線検知装置

Country Status (1)

Country Link
JP (1) JPS61242339A (fr)

Also Published As

Publication number Publication date
JPS61242339A (ja) 1986-10-28

Similar Documents

Publication Publication Date Title
US4634850A (en) Quad density optical data system
US4734565A (en) Read-only optical card and system
JP2812428B2 (ja) プレレコードパターン付き情報媒体の読取り装置
JPH02501335A (ja) 透過的読出カッド密度光学データシステム
US4820913A (en) Multiple card recording system
JP2807362B2 (ja) 情報再生装置
EP0160008B1 (fr) Systeme optique de stockage de donnees a quadruple densite
CA1292571C (fr) Support d'enregistrement optique et methode et dispositif pour corriger les deviations angulaires de ce support
JPS62139179A (ja) 同期制御方式
JPH053660B2 (fr)
EP0210528A2 (fr) Milieu d'enregistrement optique et procédé d'enregistrement de données
US5144610A (en) Method of recording data on optical card by performing blank checking without scanning an entire track
JP2698784B2 (ja) 情報記録再生装置
JPS61236028A (ja) 光記録媒体
JPH0474778B2 (fr)
JPH0566655B2 (fr)
JPS61236029A (ja) 光記録媒体
JP2851633B2 (ja) 光学的情報再生装置
JP2579462B2 (ja) 光記録媒体
JPH051530B2 (fr)
JP2848564B2 (ja) セクタマーク検出装置
JPS63193331A (ja) 光カ−ド
JPS61216173A (ja) 情報再生装置
JPH0528713A (ja) 磁気記録媒体および磁気デイスク装置
JPH06338143A (ja) 光学式情報再生装置