Double-scanning non-interlace television receiver

Details Double-scanning non-interlace television receiver Double-scanning non-interlace television receiver

1983-08-24

1985-09-03

Britton, Howard W.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358 11, 358152, H04N 502

Patent

active

045395926

ABSTRACT:
A television receiver having a signal input terminal supplied with an interlace video signal and a signal coverter connected to the input terminal for converting the interlace video signal to a non-interlace signal to be displayed. The signal converter includes a signal inserting circuit for inserting new line signals between two successive line signals of the interlace signal, the new line signals being formed by interpolating one of the preceding and succeeding line signals in the interlace signal. A three dimensional filter is connected to the signal converter for attentuating vertical and horizontal high frequency components in the non-interlace video signal only when the non-interlace signal includes both of the vertical and horizontal high frequency components.

REFERENCES:
patent: 3970776 (1976-07-01), Kinuhata
patent: 4057835 (1977-11-01), Kinuhata
patent: 4251835 (1981-02-01), Eriksen

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