Bidirectional cable television system, cable television distribu

Details Bidirectional cable television system, cable television distribu Bidirectional cable television system, cable television distribu

1996-06-28

1998-09-22

Grant, Chris

Telecommunications

Interference signal transmission

455 62, 348 10, 348 12, H04N 7173

Patent

active

058129294

ABSTRACT:
A bidirectional cable television ("CATV") system includes a CATV distributing device which transmits information through each of a plurality of channels. The information includes video information and added information relating to the content of the video information. A TV receiver then displays the video information that is transmitted from the CATV distributing device, and a processing terminal device compiles a picture that can be displayed on a monitor TV. The picture is compiled from the video information and added information that are sent from the CATV distributing device. The CATV distributing device includes a communication unit that transmits the video information and added information through each of the plurality of channel. The processing terminal device includes a communication unit that receives the video information and added information from the CATV distributing device, and a picture that is displayed on a monitor TV. The picture is displayed by dividing a single image field into a plurality of image regions and inserting the video information and added information which are made to correspond, mutually, in one of the image regions.

REFERENCES:
patent: 5506628 (1996-04-01), Chun
patent: 5585838 (1996-12-01), Lawler et al.
patent: 5600364 (1997-02-01), Hendricks et al.
patent: 5652628 (1997-07-01), Tosyoshima et al.
English language Abstract & Japanese Patent Application No. 06-217271, Aug. 05, 1994, Method and Device for Data Transmission, Osamu Yoshida.
English language Abstract & Japanese Patent Application No. 04-84589, Mar. 17, 1992, Multiple Picture Synthesizer, Toshiki Shiraishi.

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