A television receiver which allows a user to view at least an image of a broadcast program, includes a first display unit adapted to display a video of a broadcast program upon selection of a first channel, a second display unit adapted to display a slide show that switches and displays images included...http://www.google.com.hk/patents/US20070028287?utm_source=gb-gplus-share專利 US20070028287 - TELEVISION RECEIVER AND DISPLAY CONTROL METHOD THEREOF
