1
David E Wachob: Method and apparatus for providing demographically targeted television commercials. General Instrument Corporation, Barry R Lipsitz, October 13, 1992: US05155591 (742 worldwide citation)

Different commercial messages are broadcast to different demographically targeted audiences in a cable television system or the like. A first television channel contains television programs and periodic commercial messages. A second television channel contains alternate commercial messages. Demograp ...


2
Marc Kauffman, Michael Miller: Apparatus for selective distribution of messages over a communications network. General Instrument Corporation, Barry R Lipsitz, November 9, 1993: US05260778 (508 worldwide citation)

Specific text and/or graphic messages for individual subscribers or groups of subscribers are distributed on a communications network such as a cable television system. An addressable controller communicates with a plurality of subscriber terminals served by the network. Each subscriber terminal is ...


3
Misti Coleman, Ann Marie Canfield, Mark K Eyer, Zicheng Guo: Method and apparatus for displaying an interactive television program guide. General Instrument Corporation, Barry R Lipsitz, December 1, 1998: US05844620 (420 worldwide citation)

An interactive on-screen visual interface guides a user through a menu of individual events available via an information network while allowing continuity of viewing of the current channel. The invention is especially applicable to the provision of an interactive program guide (IPG) for events such ...


4
David Chen, Weidong Mao: Splicing compressed packetized digital video streams. General Instrument Corporation, Barry R Lipsitz, Ralph F Hoppin, June 29, 1999: US05917830 (410 worldwide citation)

A secondary packetized data stream, such as a commercial, is spliced with a primary packetized data stream, such as a network television program. The system does not require decompression of the data in the primary data stream, and is particularly suitable for use at a cable system headend to allow ...


5
Brant Candelore: Digital coupons for pay televisions. General Instrument Corporation, Barry R Lipsitz, Ralph F Hoppin, May 2, 2000: US06057872 (383 worldwide citation)

Digital coupons are selectively transmitted in a communication network to subscriber terminals for promotional purposes. Subscribers automatically receive coupon credits when they meet the preconditions of the digital coupons. Free or reduced price pay-per-view (PPV) programming in particular may be ...


6
Edward A Krause, Woo H Paik: Apparatus and method for adaptively compressing successive blocks of digital video. General Instrument Corporation, Barry R Lipsitz, February 25, 1992: US05091782 (363 worldwide citation)

The compression of successive blocks of digital data is optimized by selecting between different compression algorithms or different data formats on a block-by-block basis. In one application, digitized interlaced video signals are processed for transmission in a compressed form. A set of pixel data ...


7
David E Wachob: Selection of compressed television signals from single channel allocation based on viewer characteristics. General Instrument Corporation, Barry R Lipsitz, July 27, 1993: US05231494 (355 worldwide citation)

A plurality of television signals are transmitted and selectively received on a single television channel allocation. Headend apparatus compresses a set of television signals, such as a main program signal and a plurality of different demographically targeted commercials. The plurality of compressed ...


8
John G Campbell, Carl F Schoeneberger, Allan B Bundens, Richard M Fogle, John R Lemburg: Addressable cable television control system with video format data transmission. General Instrument Corporation, Hopgood Calimafde Kalil Blaustein & Judlowe, August 29, 1989: US04862268 (329 worldwide citation)

An addressable cable television control-system controls television program and data signal transmission from a central station to a plurality of user stations. The data signals include both control and text signals in video line format which are inserted on the vertical interval of the television si ...


9
Paul D Vancelette: Multi-channel television system with viewer-selectable video and audio. General Instrument Corporation, Barry R Lipsitz, Ralph F Hoppin, April 13, 1999: US05894320 (252 worldwide citation)

A television viewer can select among a choice of available camera angles and audio feeds when viewing a sporting event such as a football game without changing the television channel. Audio, video and control data is transmitted in a packetized data stream with control data providing a pre-assigned ...


10
Mark K Eyer, Michael Field: Hypertext markup language protocol for television display and control. General Instrument Corporation, Barry R Lipsitz, Ralph F Hoppin, November 9, 1999: US05982445 (249 worldwide citation)

Textual and graphical displays are provided on a television screen using a hypertext markup language (HTML). On-screen display devices allow a user to invoke hyperlinks to different pages of HTML-coded data in addition to functions calls for controlling television and non-television appliance functi ...



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