US6282713 Patents
On-demand electronic advertising information is provided for items used in Scenes of television programs. The adver tising information is received along with broadcasts of asSociated television programs. Selected advertisement modes alert a viewer when advertising information is avail able for an item displayed in a Scene of the television program broadcast. The viewer alert comprises displayed markS Superimposed over the broadcast of the television program. The displayed marks comprise indicators for each item for which advertising data is available, and the indi cators may be representative
43 claims. 72,382 characters of text.