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FR2441237A1 Expired / Lapsed FR ⏱️ 0.0 years remaining

RECORDING CARRIER IN WHICH INFORMATION CAN BE RECORDED OPTICALLY

Assignee: Koninklijke Philips NV
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Filing: 1979-11-07
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Granted: —
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Expires: 1999-11-07
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Abstract

Abstract Translated from French PORTEUR D'ENREGISTREMENT CONSTITUE PAR UN SUBSTRAT SUR UNE FACE DUQUEL EST APPLIQUEE UNE COUCHE DANS LAQUELLE PEUT ETRE ENREGISTREE DE L'INFORMATION PAR L'UTILISATEUR A L'AIDE DE RAYONNEMENT OPTIQUE. LE PORTEUR D'ENREGISTREMENT CONTIENT DEJA UNE QUANTITE DETERMINEE D'INFORMATION STANDARD UTILE POUR PLUSIEURS UTILISATEURS. L'UTILISATEUR DISPOSE AINSI D'UNE GRANDE QUANTITE D'INFORMATION ET PEUT N'ENREGISTRER QUE L'INFORMATION SPECIFIQUE UTILE POUR LUI. APPLICATION : PORTEUR D'ENREGISTREMENT OPTIQUE A GRANDE DIFFUSION. RECORD HOLDER CONSTITUTED BY A SUBSTRATE ON A FACE TO WHICH IS APPLIED A LAYER IN WHICH INFORMATION CAN BE RECORDED BY THE USER USING OPTICAL RADIATION. THE RECORD HOLDER ALREADY CONTAINS A DETERMINED AMOUNT OF STANDARD INFORMATION USEFUL FOR SEVERAL USERS. THE USER THUS HAS A LARGE AMOUNT OF INFORMATION AND CAN SAVE ONLY SPECIFIC INFORMATION USEFUL FOR HIMSELF. APPLICATION: LARGE-DIFFUSION OPTICAL RECORDING CARRIER.

Inventors

No inventors recorded.

Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-10-24 11:57
CPC Classifications
G; G11; G11B; G11B7/00; G11B7/08; G11B7/09; G11B7/0938; G11B23/00; G11B23/30; G11B23/36; G11B7/007; G11B7/0079

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