Multi-picture television receiver

Details Multi-picture television receiver Multi-picture television receiver

1995-12-07

1999-02-23

Powell, Mark R.

Television

Basic receiver with additional function

For display of additional information

348564, 348565, 348568, H09N 546

Patent

active

058750002

ABSTRACT:
A multi-picture television receiver simultaneously displays side-by-side pictures by first and second video signals of first and second video systems, respectively. The video systems can be PAL, SECAM or NTSC. Discriminating circuitry discriminates the system of the first and second video signals. Controlling circuitry controls a sub-picture video processing circuitry based on the results of the discriminating circuitry, so that, when the number of scanning lines of tie second video signal differs from the number of scanning lines of the first video signal, the main and/or the sub-picture are controlled.

REFERENCES:
patent: 5249049 (1993-09-01), Kranawater et al.
patent: 5345270 (1994-09-01), Saeger et al.
patent: 5363143 (1994-11-01), Duffield
patent: 5434625 (1995-07-01), Willis
patent: 5500683 (1996-03-01), Yatomi et al.
patent: 5504535 (1996-04-01), Abe

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