Apparatus and method for encoding identification information for

Details Apparatus and method for encoding identification information for Apparatus and method for encoding identification information for

1988-08-25

1991-02-19

Britton, Howard W.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358108, 358339, 358142, 358147, 360 18, 360 331, H04N 576, H04N 5262

Patent

active

049949160

ABSTRACT:
Apparatus for encoding identification information onto video signals provided by a plurality of video signal sources (cameras) comprises a switching arrangement for supplying, in sequence, a plurality of independent video signals, each from one of the video sources. An A/D converter converts signal components associated with single field intervals to digital representations and the digital representations are stored in digital memory banks. The memory banks can be divided into two separate halves, each capable of storing a single field of video signals. The memory banks are enabled by a head switching (frame rate) signal from an associated VCR so as to alternately store a single field of video in one half while reading out twice in succession from the other half video signals stored during a preceding frame interval. An encoder adds identification information to the video signals which are read out so as to distinguish those signals from the signals provided from other video sources.

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