JPS6315650B2 - - Google Patents

Info

Publication number
JPS6315650B2
JPS6315650B2 JP18081280A JP18081280A JPS6315650B2 JP S6315650 B2 JPS6315650 B2 JP S6315650B2 JP 18081280 A JP18081280 A JP 18081280A JP 18081280 A JP18081280 A JP 18081280A JP S6315650 B2 JPS6315650 B2 JP S6315650B2
Authority
JP
Japan
Prior art keywords
recording
pulse
disk
track
light
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
JP18081280A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57105802A (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 JP18081280A priority Critical patent/JPS57105802A/ja
Publication of JPS57105802A publication Critical patent/JPS57105802A/ja
Publication of JPS6315650B2 publication Critical patent/JPS6315650B2/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
    • G11B19/12—Control of operating function, e.g. switching from recording to reproducing by sensing distinguishing features of or on records, e.g. diameter end mark

Landscapes

  • Moulds For Moulding Plastics Or The Like (AREA)
  • Rotational Drive Of Disk (AREA)
  • Manufacturing Optical Record Carriers (AREA)
JP18081280A 1980-12-20 1980-12-20 Detector of center position of recording disc Granted JPS57105802A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18081280A JPS57105802A (en) 1980-12-20 1980-12-20 Detector of center position of recording disc

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18081280A JPS57105802A (en) 1980-12-20 1980-12-20 Detector of center position of recording disc

Publications (2)

Publication Number Publication Date
JPS57105802A JPS57105802A (en) 1982-07-01
JPS6315650B2 true JPS6315650B2 (enrdf_load_stackoverflow) 1988-04-05

Family

ID=16089780

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18081280A Granted JPS57105802A (en) 1980-12-20 1980-12-20 Detector of center position of recording disc

Country Status (1)

Country Link
JP (1) JPS57105802A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002084660A1 (en) * 2001-04-17 2002-10-24 Thomson Licensing S.A. Sensing disk centering

Also Published As

Publication number Publication date
JPS57105802A (en) 1982-07-01

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