1
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. Tocom, Hubbard Thurman Turner & Tucker, August 20, 1985: US04536791 (433 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 ...


2
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 (338 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 ...


3
Carl F Schoeneberger, Allan B Bundens, Richard A Blake, Richard M Fogle: Video encoder/decoder system. Tocom, Hopgood Calimafde Kalil Blaustein & Judlowe, March 11, 1986: US04575755 (19 worldwide citation)

An apparatus and method for encoding and decoding a television signal are disclosed in which the horizontal sync pulses and the first section of the video signal are inverted, and the inverted horizontal sync pulses and video signals are reduced in amplitude by a predetermined amount.