Circuit for generating a control signal for the field deflection

Details Circuit for generating a control signal for the field deflection Circuit for generating a control signal for the field deflection

1984-09-10

1986-08-26

Groody, James J.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358152, 358154, H04N 504, H04N 510

Patent

active

046086021

ABSTRACT:
A circuit for generating a control signal for the field deflection in a picture display device which is suitable for displaying an interlaced picture. The circuit comprises a field identification circuit, with the aid of which a distinction can be made between the two fields which form a picture, and a signal selection circuit for setting the sequence of occurrence of a first field signal which corresponds to a first field, and a second field signal which corresponds to a subsequent second field. The circuit enables a choice between a picture with or without interlace, it further being optionally possible to eliminate the interlace by shifting a field upwards or downwards relative to the other field.

REFERENCES:
patent: 3382320 (1968-05-01), Baldwin et al.
patent: 4408197 (1983-10-01), Komatsu et al.

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