JPH0352147B2 - - Google Patents

Info

Publication number
JPH0352147B2
JPH0352147B2 JP57183158A JP18315882A JPH0352147B2 JP H0352147 B2 JPH0352147 B2 JP H0352147B2 JP 57183158 A JP57183158 A JP 57183158A JP 18315882 A JP18315882 A JP 18315882A JP H0352147 B2 JPH0352147 B2 JP H0352147B2
Authority
JP
Japan
Prior art keywords
mark
discrimination
track
recording
information
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
JP57183158A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5972682A (ja
Inventor
Yuzuru Kuroki
Tomio Yoshida
Isao Sato
Shunji Oohara
Kenji Koishi
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP57183158A priority Critical patent/JPS5972682A/ja
Publication of JPS5972682A publication Critical patent/JPS5972682A/ja
Publication of JPH0352147B2 publication Critical patent/JPH0352147B2/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
    • G11B19/122—Control of operating function, e.g. switching from recording to reproducing by sensing distinguishing features of or on records, e.g. diameter end mark involving the detection of an identification or authentication mark
    • 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
    • G11B19/04—Arrangements for preventing, inhibiting, or warning against double recording on the same blank or against other recording or reproducing malfunctions

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
JP57183158A 1982-10-18 1982-10-18 光学的記録再生装置 Granted JPS5972682A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57183158A JPS5972682A (ja) 1982-10-18 1982-10-18 光学的記録再生装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57183158A JPS5972682A (ja) 1982-10-18 1982-10-18 光学的記録再生装置

Publications (2)

Publication Number Publication Date
JPS5972682A JPS5972682A (ja) 1984-04-24
JPH0352147B2 true JPH0352147B2 (it) 1991-08-09

Family

ID=16130809

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57183158A Granted JPS5972682A (ja) 1982-10-18 1982-10-18 光学的記録再生装置

Country Status (1)

Country Link
JP (1) JPS5972682A (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5303225A (en) * 1989-10-30 1994-04-12 Matsushita Electrical Industrial Co., Ltd. Multi-layered optical disk with track and layer identification
JP2009271989A (ja) 2008-05-07 2009-11-19 Canon Inc 円形の光学メディアの表裏判定装置及び円形の光学メディアの表裏判定装置の制御方法

Also Published As

Publication number Publication date
JPS5972682A (ja) 1984-04-24

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