G - Physics – 11 – B
Patent
G - Physics
11
B
G11B 9/00 (2006.01) G11B 17/32 (2006.01) G11B 21/00 (2006.01) G11B 21/21 (2006.01)
Patent
CA 2055852
Disclosed is a method of detecting a slope of a surface of an information record medium in an apparatus for detecting/writing information using one or a plurality of probes from/in the information record medium, comprising, scan step of scanning the surface of the information record medium using the probe, information detection step of detecting information from the surface of the information record medium through said probe when the scan step is executed; and slope detection step of detecting the slope of the surface of the information record medium on the basis of the information detection result.
Méthode permettant de détecter la pente d'une surface d'un support d'enregistrement d'information dans un appareil de détection et d'écriture d'information en utilisant un ou plusieurs capteurs du support d'enregistrement. Comprend les étapes suivantes : balayage de la surface du support d'enregistrement d'information au moyen du capteur; détection de l'information à partir de la surface du support d'enregistrement d'information par l'intermédiaire dudit capteur lorsque le balayage est exécuté; et détection de la pente de la surface du support d'enregistrement d'information en fonction du résultat de la détection d'information.
Eguchi Ken
Kawada Haruki
Kawade Hisaaki
Kawagishi Hideyuki
Kawase Toshimitsu
Canon Kabushiki Kaisha
Ridout & Maybee Llp
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