公开(公告)号：US20180329872A1

公开(公告)日：2018-11-15

申请号：US15740334

申请日：2015-07-10

申请人： Rakuten, Inc.

发明人： Rong LIU ,  Junichi HARADA

IPC分类号： G06F17/21 ,  G06F3/14

CPC分类号： G06F17/217 ,  G06F3/048 ,  G06F3/14

摘要： While reducing memory usage, page related data is made available. Data obtaining means of an electronic book display device obtains electronic book data including a plurality of pages stored in storing means for storing the electronic book data. Display controlling means displays, on display means, one or more pages specified in the plurality of pages based on the electronic book data obtained by the data obtaining means. Page related data generating means generates, before the display means displays at least one of preceding and succeeding pages to the one or more pages displayed on the display means, page related data based on the at least one of the pages and writes the generated page related data in the storing means.