1
Thomas R Wolzien: Media online services access via address embedded in video or audio program. Amster Rothstein & Ebenstein, June 2, 1998: US05761606 (634 worldwide citation)

A system is disclosed for providing direct automated access to an online information services provider through an address embedded in a video or audio program, commercial message, or news story. The system operates with video or audio programs which are received through broadcast, cable or pre-recor ...


2
Fernando Incertis Carro: System and method for enhancing recorded radio or television programs with information on the world wide web. YAHOO, James J DeCarlo, Greenberg Traurig, March 7, 2017: US09591362

The present invention is directed to a system, method and computer program for enabling a user (100) (an auditor or a viewer) to access complementary information related to one or a plurality of sequences or topics of interest (102) in a recorded program (103) previously broadcast on the radio or te ...