Automatic PIP channel searching apparatus and method

Details Automatic PIP channel searching apparatus and method Automatic PIP channel searching apparatus and method

1992-03-10

1993-10-05

Kostak, Victor R.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358 22, 3581911, 3581931, H04N 550

Patent

active

052510344

ABSTRACT:
In a channel search mode of a video cassette recorder (VCR) having a picture-in-picture (PIP) function, an automatic PIP channel search apparatus and method used during television (TV) viewing which is composed of at least the steps of setting the currently-viewed broadcast picture in a main screen, if a scan key is input when watching a TV channel, setting broadcasting channels excluding the channel set as the main screen as subscreens and displaying in turn the subscreen channels, and if the scan key signal is input again, displaying only a specific channel broadcast on the main screen. An automatic PIP channel search apparatus and method used during viewing a video tape is composed of the steps of setting a reproduced signal of the currently-viewed video tape as a main screen if a scan key is input, when reproducing a video tape of the VCR, setting a plurality of stored broadcasting channels as subscreens and displaying in turn the subscreen channels, and if the scan key signal is input again, displaying only the video signal on the main screen. As a result of the method, one can easily find which program is broadcast on a different channel by displaying a broadcasting channel besides the currently-viewed channel on the monitor in the PIP screen, using the scan key.

REFERENCES:
patent: 5045946 (1991-09-01), Yu
patent: 5144438 (1992-09-01), Kim
patent: 5161019 (1992-11-01), Emanuel

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