Color picture-in-picture television receiver
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 14, 1981
Grant Date -
N/A
app pub date -
Nov 13, 1979
filing date -
Nov 20, 1978
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
First Claim
Family
International Classification(s)
Cited Art Landscape
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