Signal converting method and circuit for television receiver

Details Signal converting method and circuit for television receiver Signal converting method and circuit for television receiver

1985-07-02

1987-08-04

Groody, James J.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

H04N 701

Patent

active

046849858

ABSTRACT:
A signal converting circuit is disclosed for converting a television signal for 2:1 interlaced scanning system to another television signal for 1:1 non-interlaced scanning system using line memories for storing image data of two adjacent scanning lines of a present field and field memories for storing image data of a last occurring field. An interpolation signal is produced by controlling a value of the televisions signal of the two adjacent scanning lines in response to the television signal of the two adjacent scanning lines in the present field and the television signal of a scanning line positioned between the two adjacent scanning lines in the last occurring field.

REFERENCES:
patent: 4426661 (1984-01-01), Okada et al.
patent: 4480267 (1984-10-01), Van der Avoort et al.

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