FR2660474B1 - OPTICAL READING RECORDING MEDIUM METHOD AND DEVICE. - Google Patents

OPTICAL READING RECORDING MEDIUM METHOD AND DEVICE.

Info

Publication number
FR2660474B1
FR2660474B1 FR9004397A FR9004397A FR2660474B1 FR 2660474 B1 FR2660474 B1 FR 2660474B1 FR 9004397 A FR9004397 A FR 9004397A FR 9004397 A FR9004397 A FR 9004397A FR 2660474 B1 FR2660474 B1 FR 2660474B1
Authority
FR
France
Prior art keywords
recording medium
optical reading
medium method
reading recording
optical
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 - Fee Related
Application number
FR9004397A
Other languages
French (fr)
Other versions
FR2660474A1 (en
Inventor
Jourdain Andre
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.)
OMNIUM TECH IMPRESSION CONDITI
Original Assignee
OMNIUM TECH IMPRESSION CONDITI
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 OMNIUM TECH IMPRESSION CONDITI filed Critical OMNIUM TECH IMPRESSION CONDITI
Priority to FR9004397A priority Critical patent/FR2660474B1/en
Publication of FR2660474A1 publication Critical patent/FR2660474A1/en
Application granted granted Critical
Publication of FR2660474B1 publication Critical patent/FR2660474B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
    • G11B23/38—Visual features other than those contained in record tracks or represented by sprocket holes the visual signals being auxiliary signals
    • G11B23/40—Identifying or analogous means applied to or incorporated in the record carrier and not intended for visual display simultaneously with the playing-back of the record carrier, e.g. label, leader, photograph
    • 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
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/26—Apparatus or processes specially adapted for the manufacture of record carriers

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)
  • Electronic Switches (AREA)
FR9004397A 1990-03-30 1990-03-30 OPTICAL READING RECORDING MEDIUM METHOD AND DEVICE. Expired - Fee Related FR2660474B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9004397A FR2660474B1 (en) 1990-03-30 1990-03-30 OPTICAL READING RECORDING MEDIUM METHOD AND DEVICE.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9004397A FR2660474B1 (en) 1990-03-30 1990-03-30 OPTICAL READING RECORDING MEDIUM METHOD AND DEVICE.

Publications (2)

Publication Number Publication Date
FR2660474A1 FR2660474A1 (en) 1991-10-04
FR2660474B1 true FR2660474B1 (en) 1992-06-12

Family

ID=9395485

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9004397A Expired - Fee Related FR2660474B1 (en) 1990-03-30 1990-03-30 OPTICAL READING RECORDING MEDIUM METHOD AND DEVICE.

Country Status (1)

Country Link
FR (1) FR2660474B1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2725069B1 (en) * 1994-09-28 1997-01-03 Digipress Sa COMPACT DISC HAVING ANTI-PIRATE MARKING, PRESSING MOLD AND METHOD FOR ANTI-PIRACING MARKING OF COMPACT DISCS
NL9500279A (en) * 1995-02-15 1996-09-02 Oce Nederland Bv Device for printing disc-shaped record carriers.

Also Published As

Publication number Publication date
FR2660474A1 (en) 1991-10-04

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Legal Events

Date Code Title Description
ST Notification of lapse