G - Physics – 11 – B
Patent
G - Physics
11
B
G11B 7/14 (2006.01) G11B 7/00 (2006.01) G11B 7/125 (2006.01) G11B 7/135 (2006.01) G02F 1/21 (2006.01)
Patent
CA 2321201
The present invention provides an optical system having a read mode, during which multiple tracks of an optical disk (22) are simultaneously read, and a write mode, during which data is written to at least one track of the optical disk. The multiple light beams employed during read mode may be generated by a single laser diode operated at low power used in combination with a diffractive element, multiple laser diodes (32a - 32g), or combinations thereof.
La présente invention concerne un système optique comprenant un mode lecture permettant de lire simultanément plusieurs pistes d'un disque optique (22), et un mode écriture permettant d'écrire des données sur au moins l'une des pistes de ce disque optique. Les faisceaux lumineux utilisés au cours du mode lecture peuvent être produits par une seule diode laser fonctionnant à basse puissance, cette diode étant utilisée en association avec un élément de diffraction, d'autres diodes laser (32a - 32g), ou des combinaisons de ceux-ci.
Alon Amir
Kedmi Joseph
Kosoburd Tatiana
Naor Michael
Shapira Shlomo
Smart & Biggar
Zen Research (ireland) Ltd.
Zen Research N.v.
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