Television – Basic receiver with additional function – Multimode
Patent
1998-04-10
2000-08-22
Lee, Michael H.
Television
Basic receiver with additional function
Multimode
348556, H04N 546
Patent
active
061080446
ABSTRACT:
A receiver which receives both HDTV and NTSC signals, and a method for selecting received signals, are provided. According to this receiver and method, a broadcasting mode and a channel mode are set by the user. When the broadcasting mode is set to be an NTSC mode, only an NTSC signal is selected to be displayed. When the broadcasting mode is set to be an HDTV mode, only a high-definition (ATV) signal is selected to be displayed. When the judged broadcasting mode is an automatic mode, a judgement is made by the receiver whether an NTSC signal exists in a received signal. If no NTSC signal is present in the received signal, the ATV signal is selected for display. If the NTSC signal exists in the currently-received signal, selection between NTSC and ATV signals is made based on the channel mode set by the user. If the channel mode is set to NTSC, then the NTSC signal is selected for display. If the channel mode is set to HDTV, then the ATV signal is selected for display. Therefore, the HDTV and NTSC signals can both be received, and when both NTSC and HDTV signals exist in a channel, one of them can be selectively received.
REFERENCES:
patent: 5282023 (1994-01-01), Scarpa
patent: 5283653 (1994-02-01), Citta
Lee Michael H.
Samsung Electronics Co,. Ltd.
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