Television systems

Details Television systems Television systems

H - Electricity

04

N

350/3, 375/32

H04N 7/00 (2006.01) H04N 7/088 (2006.01)

Patent

CA 1044797

ABSTRACT OF THE DISCLOSURE The invention provides a television receiver system for collecting and storing information in the form of coded characters received separately from any wide-band picture signals. In any television system there are periods when no such picture signals are transmitted. The separately received information may be received during such periods of an actual television transmission being viewed or they may be received on a separate channel. According to the invention, the system comprises selector equipment for selecting the information to be stored from a single information channel or a small number of information channels and routeing the selected information to a storage device, and a reading device operable, when actuated, to read the information from the storage device repeatedly and feed it, via a character generator, for display by an intensity modulated raster. The information to be displayed may be a page selected by the viewer from a set of pages transmitted repeatedly in turn. This selected information is held by the storing device for prolonged display.

205846

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