System for transferring data and use thereof

H - Electricity – 04 – N

Patent

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Details

H04N 1/06 (2006.01) H04N 1/195 (2006.01)

Patent

CA 2289759

The invention relates to a system (21) for transferring data onto disk-type data carriers (23, 23'), comprising a support (22, 22') for receiving said data carriers (23, 23') said support being configured at least partially as an inner cylinder and the side of said data carriers which is used for carrying data facing towards the cylinder axis (29) of the support (22, 22'), and a transfer head (30). Said transfer head (30) can rotate around said cylinder axis (29) and has at least one transfer element (24) for transferring the data onto the data carriers (23, 23'). The support (22, 22') and the transfer head can also move in relation to each other in the direction of the cylinder axis (29) and the distance between at least one surface of the transfer head (30) or transfer element (24) and the data carrier (whilst data is being transferred), is preferably less than 1/4 of the diameter of the support, especially less than 1 cm. The system (21) is characterized in that the transfer element (24) comprises an array of light sources for transferring the data using a multibeam technique. According to a first embodiment, the transfer head is arranged so that it is able to both move in the direction of and rotate around the cylinder axis (29) of the support and the transfer elements (24) comprise a plurality or an array of laser diodes for transferring the data onto a thermo-printing plate (23, 23') using a multibeam technique.

L'invention concerne un système (21) de transmission de données sur des supports de données (23, 23') sous forme de disques, qui présente un support (22, 22') se présentant au moins en partie comme un cylindre intérieur et destiné à recevoir les supports de données (23, 23')(dont la face prévue pour enregistrer les données fait face à l'axe cylindrique (29) du support (22, 22')), ainsi qu'une tête de transmission (30) pouvant tourner autour de cet axe cylindrique et comportant au moins un élément de transmission (24) destiné à transmettre des données au support de données (23, 23'). Le support (22, 22') et la tête de transmission sont également mobiles l'un par rapport à l'autre en direction de l'axe cylindrique (29). La distance séparant au moins une surface de la tête de transmission (30) ou de l'élément de transmission (24) et le support de données (pendant la transmission des données) correspond de préférence à moins d'1/4 du diamètre du support et tout particulièrement à moins d'1 cm. Ce système (21) se caractérise en ce que l'élément de transmission (24) servant à transmettre les données selon la technique à faisceaux multiples comprend un réseau de sources lumineuses. Selon un premier mode de réalisation, la tête de transmission est montée de manière aussi bien à être déplacée en direction de l'axe du cylindre du support qu'à tourner autour de l'axe du cylindre dudit support. Les éléments de transmission (24) comprennent une pluralité ou un réseau de diodes laser permettant de transférer les données selon la technique à faisceaux multiples sur un thermodisque (23, 23').

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