Patent ID: 9342515
Filing Date: 2016-05-17
CPC Classification: G06F

Claim Text:
1. A device for searching for an electronic book (e-book) in a portable terminal, the device comprising: a display unit configured to display categories of e-books that each include one or more e-books; and a controller configured to: wherein the detected kind of shift of the portable terminal includes at least one of an inclination, an up, down, left or right movement, and a rotation of the portable terminal, wherein, when two or more categories are selected through a multi-touch, a category having a largest number of e-books among the categories selected through the multi-touch is enlarged and each e-book included in the enlarged category is displayed, and wherein contents of an e-book selected by a single touch from the e-books included in the enlarged category are displayed through an execution of the e-book viewer.