Method of converting a field of a regenerative signal a VTR and

Details Method of converting a field of a regenerative signal a VTR and Method of converting a field of a regenerative signal a VTR and

1992-10-29

1996-03-05

Britton, Howard W.

Facsimile and static presentation processing

Facsimile

Recording apparatus

558312, H04N 979

Patent

active

054972370

ABSTRACT:
A method of converting a field of a regenerative signal in a VTR is provided wherein when image is reproduced at a nonstandard play speed, field data of a predetermined field number is formed using an inter-field signal with respect to a still part, and field data of a predetermined number is formed using only an inter-line signal with respect to a moving part; with respect to a carrier chrominance signal of a different field which will be interlaced, a signal processing is performed in such a way that when composite video signals are inputted in a normal direction, a phase is inverted, while when the composite video signals are inputted in a reverse direction, the phase is not inverted; and when abnormality occurs in an input state of the composite video signals, field data of a predetermined field number is formed using only the inter-line signal.

REFERENCES:
patent: 5043811 (1991-08-01), Yasuhito
patent: 5243422 (1993-09-01), Owashi et al.

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