Patent ID: 7882523
Filing Date: 2011-02-01
Classification: G11B,H04N

Abstract:
1. A method for assisting retrieval of contents comprising the steps of: classifying the contents into a plurality of categories according to a predetermined classification criterion; displaying at least three categories in a first direction and a content list of an interested category in a second direction on a screen; receiving an input through a direction key operation; switching among a title list mode, a normal view mode, and a high-speed preview mode, wherein in the high-speed preview mode, sequentially retrieved frames of image signals are reproduced at a higher speed than in the normal view mode; sequentially switching categories displayed in the first direction and the corresponding content list in response to a first direction key operation or sequentially switching a title of the content in the content list displayed in the second direction in response to a second direction key operation; and scrolling the content list every time the second direction key operation is received so that an interested content title is displayed at a fixed position, and wherein in the high-speed preview mode, when categories displayed in the first direction is switched, recorded contents belonging to a selected category are sequentially reproduced in a loop at the higher speed, and when titles of the content in the content list displayed in the second direction is switched, recorded contents associated with a selected title are reproduced in a loop at the higher speed, and wherein an interested category is displayed at a fixed position in the first direction on the screen.