Television signal receiving apparatus

Details Television signal receiving apparatus Television signal receiving apparatus

1988-12-19

1991-03-12

Britton, Howard W.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358140, 358242, H04N 514

Patent

active

049997106

ABSTRACT:
A television (TV) signal receiving apparatus displays a TV signal of a high definition system using a TV receiver of an NTSC system with the high picture quality of the high definition system. An A/D converter converts an analog TV signal of a high definition system to a digital signal. A memory stores the digital signal and a vertical filter converts a number of horizontal scanning lines of the TV signal of the high definition system into a number of horizontal scanning lines of a TV signal of an NTSC system. The ratio of horizontal scanning lines of the high definition TV signal to horizontal scanning lines of the NTSC TV signal is 5 to 7. The horizontal scanning lines are divided into three portions in the vertical direction and four portions in the scanning direction and are supplied to twelve CRTs (monitors). The CRTs are arranged in three rows and four columns to form a picture plane.

REFERENCES:
patent: 4613903 (1986-09-01), Naden
patent: 4655105 (1987-01-01), Faureau

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