We describe a cropped and scaled picture-in-picture system and method. The video system includes a first video port to generate a first video signal portion from a first video signal, a second video port to generate a second video signal portion from a second video signal, and a video processor to generate...http://www.google.com.au/patents/US7616264?utm_source=gb-gplus-sharePatent US7616264 - Cropped and scaled picture-in-picture system and method
