Color picture-in-picture television receiver

Details Color picture-in-picture television receiver Color picture-in-picture television receiver

1979-11-13

1981-07-14

Griffin, Robert L.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358181, 358183, H04N 9535

Patent

active

042789931

ABSTRACT:
A system for inserting a reduced picture of a first channel broadcast into a picture of a second channel broadcast on a single screen in a picture-in-picture television receiver. First and second video signal chains are provided. A first group of three memories connects to the first chain for memorizing R, G and B signals obtained from a first field of video signals of the first channel broadcast. A second group of three memories is connected to the first chain for memorizing R, G and B signals obtained from a second field of the video signals of the first channel broadcast. With the disclosed system, picture flicker problems are solved and the horizontal resolution is improved.

REFERENCES:
patent: 4063280 (1977-12-01), Hattori
patent: 4139860 (1979-02-01), Micic
Masuda, et al., "Fully Digitalized Color Picture in Picture Television System," Feb. '79, pp. 152-159, IEEE Trans. on Consumer Electronics.

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