Video signal parocessing apparatus with memory and crossfader

Details Video signal parocessing apparatus with memory and crossfader Video signal parocessing apparatus with memory and crossfader

1990-10-15

1992-12-01

Groody, James J.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358182, 358167, 358906, 358209, H04N 5272, H04N 5262

Patent

active

051683636

ABSTRACT:
A video signal processing apparatus for performing editing of video signals includes a memory into which one field or one frame of a moving picture video signal from a video camera is written and a crossfading circuit, wherein a still picture of the video signal is written in the memory at a selected time or at a time the video camera stops operation. Thereafter, when the video camera resumes operation, the contents of the memory are read out, so that the real moving picture video signal being currently provided by the video camera and the previous still picture video signal read out from the memory are crossfaded. The video signal processing apparatus can also cooperate with a video tape recorder for storing in the memory a still picture derived from the video tape recorder, so that when the video camera starts its operation, the real moving picture video signal produced by the video camera and a still picture video signal from the memory are crossfaded.

REFERENCES:
patent: 4107739 (1978-08-01), Rossi
patent: 4240106 (1980-12-01), Michael
patent: 4249209 (1981-02-01), Storey
patent: 4644400 (1987-02-01), Kouyama
patent: 5003404 (1991-03-01), Yoshimura

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