Facsimile and static presentation processing – Static presentation processing – Attribute control
Patent
1992-03-04
1993-07-13
Kostak, Victor R.
Facsimile and static presentation processing
Static presentation processing
Attribute control
358140, H04N 1102
Patent
active
052278662
ABSTRACT:
A television receiver for extended definition television carries out scanning line interpolation in a way that eliminates picture shift on the screen and ensures normal display when supplied with a non-standard video signal having a scanning line count of other than 262.5 lines per field. The television receiver includes a scanning line interpolation circuit, a normal video signal detection circuit and a interpolation controller. The scanning line interpolation circuit effects scanning line interpolation using either data in the current field or out-of-field data as per the result of motion detection in the picture. The normal video signal detection circuit distinguishes the normal video signal from other signals by detecting the number of scanning lines involved. The interpolation controller causes the scanning line interpolation circuit to effect scanning line interpolation using only the inside-field data if the supplied signal is a non-standard signal.
REFERENCES:
patent: 4739390 (1988-04-01), Achiha et al.
patent: 4760455 (1988-07-01), Nagashima
patent: 4853765 (1989-08-01), Katsumata et al.
patent: 4860090 (1989-08-01), Murata et al.
patent: 5041904 (1991-08-01), Higuchi et al.
Kawashima Hiroyuki
Kita Hiroyuki
Sarugaku Toshio
Tokuhara Masaharu
Eslinger Lewis H.
Kostak Victor R.
Maioli Jay H.
Sony Corporation
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