Still video receivers; Audio and video receivers; Radio-frequency receivers; Set-top boxes (digital signal receivers); Video projectors; Film projectors; Image projectors; Large screen video projectors; Overhead projectors; Photographic projectors; Digital televisions; High definition televisions; Television screens; Remote control apparatus for use with televisions; Plasma televisions; Liquid crystal display (LCD) televisions; Mobile television broadcasting units; Televisions combined with radios; Television receivers; Television signal transmission apparatus; Televisions