H - Electricity – 04 – N
Patent
H - Electricity
04
N
350/56
H04N 5/14 (2006.01) H04N 5/45 (2006.01)
Patent
CA 1268248
ABSTRACT: "Television picture display device" In a television picture display device which can display a compressed (by 13) sub-picture of a second video signal source (29) in a main picture of a first video signal source (1), a correct mutual location of the picture information in the sub-picture with respect to the main picture is always obtained by means of a first (55) and a second (119) even-odd field identification circuit for the sub-picture and for the main picture, respectively, an interlacing circuit (71) and an interlacing-correction circuit (125), so that troublesome phenomena no longer occur in the sub-picture upon field transitions (Figure 1).
538895
Boerrigter Dionysius A.
Van Der Wal Hendrik
Welles Petrus W.g.
Zijlstra Pieter
Boerrigter Dionysius A.
Fetherstonhaugh & Co.
N.v. Philips Gloeilampenfabrieken
Van Der Wal Hendrik
Welles Petrus W.g.
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