1
David B Lett, William M Raley Jr, Michael T Hayashi: Method and apparatus for providing interactive electronic programming guide. Scientific Atlanta, Banner & Allegretti, January 7, 1997: US05592551 (897 worldwide citation)

A subscription television system is provided that transmits a plurality of television signals to a plurality of subscribers. The television signals include pay-per-view programs (purchased by feature) or near-video-on-demand programs (purchased for a period of time for unlimited viewing) that are pr ...


2
Peter J Sprague, Thomas H Lipscomb: Information distribution system. September 21, 1993: US05247575 (864 worldwide citation)

An information distribution system provides information to a user, when the information corresponds to criteria individually selected by the user, and then charges the user only for the selected information thus provided. Encrypted information packages (IP's) are provided at the user site, via high ...


3
Henry Von Kohorn: Method for measuring the effectiveness of stimuli on decisions of shoppers. Perman & Green, July 13, 1993: US05227874 (833 worldwide citation)

Methods for the evaluation of stimuli such as broadcast commercials intended to promote purchases by shoppers are disclosed. The methods quantify the effectiveness of controlled variables of stimuli and of inducements associated therewith. The immediate impact and degree of erosion of the impact of ...


4
William L Thomas, Daozheng Lu: Audience measurement system utilizing ancillary codes and passive signatures. A C Nielsen Company, Marshall O Toole Gerstein Murray & Borun, January 2, 1996: US05481294 (685 worldwide citation)

An audience measurement system collects data representative of tuned programs rather than of tuned channels, and includes (i) a household metering apparatus which records ancillary codes or extracts program signatures from the programs if no ancillary codes are found therein, (ii) a reference appara ...


5
Henry Von Kohorn: System and method for generating and redeeming tokens. Perman & Green, July 7, 1992: US05128752 (677 worldwide citation)

Tokens and coupons are generated in a television viewer's home by the viewer entering selected product information and authentication data transmitted to and displayed on the television into a home generating unit. The tokens and coupons can be presented to stores or redemption facilities for prizes ...


6
James Russo: Stored program pay-per-play. Smart VCR Partnership, Gifford Krass Groh Sprinkle Patmore Anderson & Citkowski, April 8, 1997: US05619247 (666 worldwide citation)

A stored program pay-per-play system includes a high-capacity storage medium facilitating compilation of video, audio or other programs at a subscriber's site. While the recording of such programs may take place at any time preceding playback, billing occurs only when, and if, the subscriber chooses ...


7
John G Lert Jr, Peter W Lert, John F Cornelius: Broadcast program identification method and system. Walter M Dotts Jr, October 28, 1980: US04230990 (663 worldwide citation)

An automated method and system for identifying broadcast programs wherein a pattern recognition process is combined with a signalling event which acts as a trigger signal. At least one such trigger, or "cue" signal, occurs with each broadcast of every program which is to be identified; and these sig ...


8
Brian John Cragun, Paul Reuben Day: Dynamic regulation of television viewing content based on viewer profile and viewing history. International Business Machines Corporation, Andrew J Dillon, October 26, 1999: US05973683 (639 worldwide citation)

A user friendly method for regulating the media environment of a television viewer by controlling content displayed on the television. The method controls content in response to a viewer's profile, accumulated viewing time and at least one content classification source. A viewer's profile is provide ...


9
David E Allport: System for dual-display interaction with integrated television and internet content. eRemote, Neal M Cohen, August 1, 2000: US06097441 (587 worldwide citation)

Systems and methods are disclosed for using two or more cooperating but physically independent displays for enhanced viewing of data streams, where the viewing on one display does not interfere with the viewing on the other displays. The type of data streams may be complex streams such as multiple t ...


10
Edward R Harrison: Method and apparatus for viewing of on-line information service chat data incorporated in a broadcast television program. Intel Corporation, Blakely Sokoloff Taylor & Zafman, December 2, 1997: US05694163 (508 worldwide citation)

A number of participants communicate via their personal computers over a telephone network with an on-line service that provides a chat capability. A server connects to the telephone network at the on-line service provider. A chat formatter at this server formats and transmits the chat over an assoc ...