公开(公告)号：US20180108378A1

公开(公告)日：2018-04-19

申请号：US15718378

申请日：2017-09-28

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Yoshikazu YAMAMOTO ,  Yoshihisa TAKAHASHI ,  Atsushi KIYOMURA

IPC: G11B20/18 ,  G11B20/10

CPC classification number: G11B20/1816 ,  G11B20/10388 ,  G11B2020/1823

Abstract: An optical disc device includes: an optical disc drive that reads data from a plurality of optical discs in which user data is recorded while distributed in the plurality of optical discs; a memory unit in which data read from an optical disc of a first group that is a part of the plurality of optical discs is recorded through the optical disc drive; and a controller that reproduces the user data from data of a remaining optical disc except for the first group, the data of the remaining optical disc being read through the optical disc drive, and the data recorded in the memory unit.