Apparatus is provided by which a television viewer can view other images e.g. during commercials or main program. For example, during a commercial, a viewer may channel surf or surf the internet. A banner is provided on a viewing screen while the viewer watches these other images. In this way the advertiser...http://www.google.com.hk/patents/US7779436?utm_source=gb-gplus-share專利 US7779436 - Method for using banner advertisements during commercial breaks
