Apparatus for automatically switching broadcasting systems and a

Details Apparatus for automatically switching broadcasting systems and a Apparatus for automatically switching broadcasting systems and a

1997-04-01

1999-09-14

Hsia, Sherrie

Television

Basic receiver with additional function

Multimode

348557, 348558, 348643, H04N 546

Patent

active

059530723

ABSTRACT:
An apparatus for automatically switching broadcasting systems and controlling method thereof controls switching between an NTSC system and a PAL-M system according to the detected number of color killer signals. A stabilized broadcasting system is set to either the NTSC system or the PAL-M system when the broadcasting system is switched between the PAL-M system and the NTSC system by more than the predetermined times in the broadcasting signal receiving system capable of receiving both NTSC broadcasting system and PAL-M broadcasting system to provide a high picture quality images.

REFERENCES:
patent: 5784117 (1998-07-01), Mitarai

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