JPH0353705B2 - - Google Patents

Info

Publication number
JPH0353705B2
JPH0353705B2 JP57183155A JP18315582A JPH0353705B2 JP H0353705 B2 JPH0353705 B2 JP H0353705B2 JP 57183155 A JP57183155 A JP 57183155A JP 18315582 A JP18315582 A JP 18315582A JP H0353705 B2 JPH0353705 B2 JP H0353705B2
Authority
JP
Japan
Prior art keywords
mark
disk
information
reference mark
guide 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 - Lifetime
Application number
JP57183155A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5972660A (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 JP57183155A priority Critical patent/JPS5972660A/ja
Publication of JPS5972660A publication Critical patent/JPS5972660A/ja
Publication of JPH0353705B2 publication Critical patent/JPH0353705B2/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
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/002—Recording, reproducing or erasing systems characterised by the shape or form of the carrier
    • G11B7/0037—Recording, reproducing or erasing systems characterised by the shape or form of the carrier with discs

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
JP57183155A 1982-10-18 1982-10-18 光学デイスク Granted JPS5972660A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57183155A JPS5972660A (ja) 1982-10-18 1982-10-18 光学デイスク

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57183155A JPS5972660A (ja) 1982-10-18 1982-10-18 光学デイスク

Publications (2)

Publication Number Publication Date
JPS5972660A JPS5972660A (ja) 1984-04-24
JPH0353705B2 true JPH0353705B2 (en]) 1991-08-15

Family

ID=16130756

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57183155A Granted JPS5972660A (ja) 1982-10-18 1982-10-18 光学デイスク

Country Status (1)

Country Link
JP (1) JPS5972660A (en])

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60254430A (ja) * 1984-05-31 1985-12-16 Matsushita Electric Ind Co Ltd 円盤状情報記録媒体および記録再生装置
US5166921A (en) * 1987-06-17 1992-11-24 Pioneer Electronic Corporation Optical disk carrying tracking information in multiple formats and apparatus for analyzing same
JPS63313331A (ja) * 1987-06-17 1988-12-21 Pioneer Electronic Corp 光ディスク
JPH0695426B2 (ja) * 1987-08-11 1994-11-24 キヤノン株式会社 光学的情報記録再生装置
JPH0845082A (ja) * 1995-06-12 1996-02-16 Toshiba Corp 情報再生盤及び両面情報再生盤
US5694387A (en) * 1995-06-29 1997-12-02 Matsushita Electric Industrial Co., Ltd. Optical medium having a data pattern for detecting an upside-down insertion, and reproducing apparatus for use therewith

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6318253A (ja) * 1986-07-09 1988-01-26 Omron Tateisi Electronics Co 生化学測定装置

Also Published As

Publication number Publication date
JPS5972660A (ja) 1984-04-24

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