Television signal transmission and reception system with multi-s

Details Television signal transmission and reception system with multi-s Television signal transmission and reception system with multi-s

1993-11-03

1996-07-16

Kostak, Victor R.

Television

Basic receiver with additional function

For display of additional information

348723, H04N 7173

Patent

active

055371531

ABSTRACT:
Television signal transmission and reception system includes a broadcasting center, a transmission network and many reception terminals. In the broadcasting center, plural television signals corresponding to individual channels are modulated into transmittable form, and a synthesis circuit synthesizes the television signals to produce a synthesis image signal for a multi-screen display comprising plural small screens. Both the ordinary television signal and the synthesis image signal is transmitted with control information to the reception terminals through the transmission network. In the reception terminal, for selecting a desired channel out of the individual channels, the synthesis image signal is used for displaying a multi-screen, a moveable cursor image is superimposed on the multi-screen for designating one small screen corresponding to the desired channel. The channel designated by the cursor image is detected based on the control information, and the television signal of the designated channel is demodulated.

REFERENCES:
patent: 3825674 (1974-07-01), Justice
patent: 4061577 (1977-12-01), Bell
patent: 4814869 (1989-03-01), Oliver, Jr.
patent: 4977449 (1990-12-01), Morgan
patent: 5258837 (1993-11-01), Gormley

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