JPS5972660A - 光学デイスク - Google Patents

光学デイスク

Info

Publication number
JPS5972660A
JPS5972660A JP57183155A JP18315582A JPS5972660A JP S5972660 A JPS5972660 A JP S5972660A JP 57183155 A JP57183155 A JP 57183155A JP 18315582 A JP18315582 A JP 18315582A JP S5972660 A JPS5972660 A JP S5972660A
Authority
JP
Japan
Prior art keywords
track
mark
discrimination
optical disc
marks
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.)
Granted
Application number
JP57183155A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0353705B2 (enrdf_load_stackoverflow
Inventor
Yuzuru Kuroki
譲 黒木
Tomio Yoshida
吉田　富夫
Isao Sato
勲 佐藤
Shunji Ohara
俊次 大原
Kenji Koishi
健二 小石
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 true JPS5972660A (ja) 1984-04-24
JPH0353705B2 JPH0353705B2 (enrdf_load_stackoverflow) 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 (enrdf_load_stackoverflow)

Cited By (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
FR2616950A1 (fr) * 1987-06-17 1988-12-23 Pioneer Electronic Corp Disque optique et appareil d'analyse d'un tel disque
US5119356A (en) * 1987-08-11 1992-06-02 Canon Kabushiki Kaisha Information recording and reproducing apparatus including detection of whether an information recording medium has been normally loaded into the apparatus
US5166921A (en) * 1987-06-17 1992-11-24 Pioneer Electronic Corporation Optical disk carrying tracking information in multiple formats and apparatus for analyzing same
JPH0845082A (ja) * 1995-06-12 1996-02-16 Toshiba Corp 情報再生盤及び両面情報再生盤
EP0751513A3 (en) * 1995-06-29 1999-06-16 Matsushita Electric Industrial Co., Ltd. Optical medium and apparatus for recording and reproducing the same

Citations (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

Patent Citations (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

Cited By (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
FR2616950A1 (fr) * 1987-06-17 1988-12-23 Pioneer Electronic Corp Disque optique et appareil d'analyse d'un tel disque
US5166921A (en) * 1987-06-17 1992-11-24 Pioneer Electronic Corporation Optical disk carrying tracking information in multiple formats and apparatus for analyzing same
US5119356A (en) * 1987-08-11 1992-06-02 Canon Kabushiki Kaisha Information recording and reproducing apparatus including detection of whether an information recording medium has been normally loaded into the apparatus
JPH0845082A (ja) * 1995-06-12 1996-02-16 Toshiba Corp 情報再生盤及び両面情報再生盤
EP0751513A3 (en) * 1995-06-29 1999-06-16 Matsushita Electric Industrial Co., Ltd. Optical medium and apparatus for recording and reproducing the same

Also Published As

Publication number Publication date
JPH0353705B2 (enrdf_load_stackoverflow) 1991-08-15

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