Interactive television system

Details Interactive television system Interactive television system

1998-12-17

2000-06-13

Flynn, Nathan

Computer graphics processing and selective visual display system

Display driving control circuitry

Controlling the condition of display elements

348 6, 348 10, H04N 710

Patent

active

06075527&

ABSTRACT:
A broadcasting station transmits script for presenting plural types of additional information relating to main broadcast in a vertical blanking interval included in a video signal. A television receiver generates an additional information selecting screen for selecting arbitrary additional information from plural types of additional information by executing the script according to a request signal received from a television remote controller, and displays in part of a display screen. Reflecting a selection instruction signal received from the television remote controller on the additional information selection screen, the script is executed according to the selection instruction, and selected additional information is generated and displayed on a display screen in a display format conforming to the content of the information.

REFERENCES:
patent: 5539822 (1996-07-01), Lett
patent: 5541662 (1996-07-01), Adams et al.
patent: 5559550 (1996-09-01), Mankovitz
patent: 5635978 (1997-06-01), Alten et al.
patent: 5719619 (1998-02-01), Hattori et al.
patent: 5734413 (1998-03-01), Lappington et al.
patent: 5764275 (1998-06-01), Lappington et al.

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