| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a projector device capable of automatically changing the screen size of a video screen to be displayed and automatically switching the video screen based on video signals input from a plurality of input terminals of the projector device by connecting a plurality of electric device apparatuses capable of outputting a video screen to the projector device, and a video screen switching method for the projector device. <P>SOLUTION: The projector device includes: a video signal conversion part A15 and a video signal conversion part B16 converting the video signals input from the input terminal A (ch-A) 11 and the input terminal B (ch-B) 12; a video screen size decision processing part 27 deciding the screen size of the video screen of the video signal based on video signal information fetched from the video signal and synchronizing signal information; a panel controller 31 outputting video screen data input from the video screen size decision processing part 27 to a panel 32; an optical unit 33 outputting video light to a projection lens 34; and the projection lens 34 projecting the video screen to a screen 6. <P>COPYRIGHT: (C)2009,JPO&INPIT |
