41
Ivan Chung Shung Hwang: Multi server, interactive, video-on-demand television system utilizing a direct-access-on-demand workgroup. Leonard Tachner, April 11, 2000: US06049823 (350 worldwide citation)

An interactive television system that renders on-demand interactive multimedia services for a community of users. The interactive multimedia is delivered to each user on a TV or on a LAN-node (Local-Area-Network) computer through an "interactive TV channel" created and controlled by a Channel-proces ...


42
Patrick Young: Television schedule system. Starsight Telecast, Townsend and Townsend and Crew, March 10, 1998: US05727060 (347 worldwide citation)

Screen (10) for a user interface of a television schedule system and process consists of an array (24) of irregular cells (26), which vary in length, corresponding to different television program lengths of one half hour to one-and-one half hours or more. The array is arranged as three columns (28) ...


43
Hark C Chan: Information distribution and processing system. Online News Link, Martin & Ferraro, June 4, 2013: US08457545 (346 worldwide citation)

An information distribution and processing system contains a remote site, a sender and a receiving apparatus. The remote site contains a first set of digital data. The sender delivers a second set of digital data to the receiving device. In one embodiment of the present invention, the receiving devi ...


44
Ingemar J Cox: Spread spectrum watermark for embedded signalling. NEC Research Institute, Philip J Feig, December 8, 1998: US05848155 (346 worldwide citation)

A watermark is embedded into audio/video/image/multimedia data using spread spectrum methodology. The watermark is extracted from watermarked data without the use of an original or unwatermarked version of the data by using spatial or temporal local averaging of the frequency coefficients of the wat ...


45
John J Hayes: Parental control for CATV converters. RCA Corporation, Paul J Rasmussen, Peter M Emanuel, Richard G Coalter, January 5, 1988: US04718107 (344 worldwide citation)

A controller in a CATV converter provides three operating modes comprising: (1) a family viewing mode in which conversion of selected channels is blocked; (2) an enter access code mode for selecting the channels to be blocked from family viewing; and (3) a parental control mode in which all channels ...


46
Vladimir Alperovich, David Boltz: System and method for displaying short messages depending upon location, priority, and user-defined indicators. Ericsson, Jenkens & Gilchrist P C, September 12, 2000: US06119014 (343 worldwide citation)

A telecommunications system and method is disclosed for organizing SMS messages sent to a mobile terminal based on the location of the mobile terminal or the time of delivery of the SMS messages. Thus, when a subscriber sends a short message to another subscriber, the originating subscriber can spec ...


47
Jay C McMullan Jr: Method and apparatus for generating and collecting viewing statistics for remote terminals in a cable television system. Scientific Atlanta, William A Marvin, Frederick W Powers III, October 5, 1993: US05251324 (339 worldwide citation)

A method and apparatus for generating and collecting viewing statistics in a cable television system is provided. For example, data relating to television channels being viewed at remote terminals may be generated by each remote terminal and then collected by a system manager. A system manager trans ...


48
Gary Noreen, Theodore R Harper: Integrated radio satellite response system and method. Radio Satellite Corporation, David Newman & Associates, April 12, 1994: US05303393 (326 worldwide citation)

A radio response system including a broadcast station, a satellite relay, a processing center, and a plurality of user terminals. Each user terminal has a broadcast receiver, a communications interface device, a controller and a data transmitter. The broadcast station broadcasts a program signal. Th ...


49
Crosby Murray G: Communication including submerged identification signal. Audicom Corporation, Ryder McAulay Fields Fisher & Goldstein, October 29, 1974: US3845391 (320 worldwide citation)

A technique for identifying a program with an identification code in which the code is modulated onto an audio frequency subcarrier and transmitted with the program. A short time period, narrow band width window is cut out of the program material to accommodate the code carrying modulated audio subc ...


50
Erik Christopher Metz, Paul Andrew Zimmerman Jr, Laszlo Erdely Jr, Colin Joseph deSa, Henry G Hudson Jr, John W Darr Jr: Downloading applications software through a broadcast channel. Bell Atlantic Network Services, McDermott Will & Emery, November 2, 1999: US05978855 (311 worldwide citation)

Set-top terminals utilized in broadband broadcast networks are becoming increasingly intelligent (programmable). However, transmitting executable code, data and interactive audio/video materials through a selectively dedicated link requires an extensive, broadband point-to-point broadband network, w ...



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