Patent ID: 6847407
Filing Date: 2005-01-25
Classification: H04N

Abstract:
1. A digital television receiver comprising: a control section for generating and outputting control signals according to a user's command for selecting a channel and a main/sub picture; an analog tuning section for selecting an RF signal of an analog channel selected by the user among RF signals received through an antenna under the control of the control section, and converting the selected RF signal into an IF signal; an analog/digital (A/D)-combined tuning section for selecting an RF signal of an analog or digital channel selected by the user among the RF signals received through the antenna under the control of the control section; a first analog video processing section for processing the IF signal of the analog channel selected by the analog tuning section in accordance with the main or sub picture selected by the user; a second analog video processing section for processing the IF signal of the analog channel selected by the A/D-combined tuning section in accordance with the main or sub picture selected by the user; a digital video processing section for processing the IF signal of the digital channel selected by the A/D-combined tuning section in accordance with the main or sub picture selected by the user; and an IF switching section for being switched under the control of the control section, and selectively outputting the IF signal outputted from the A/D-combined tuning section to either the second analog video processing section or the digital video processing section.