Facsimile and static presentation processing – Static presentation processing – Attribute control
Patent
1973-08-06
1976-03-09
Britton, Howard W.
Facsimile and static presentation processing
Static presentation processing
Attribute control
178DIG33, H04N 718
Patent
active
039435610
ABSTRACT:
A system is disclosed for optically detecting a target moving within a field of view. In particular, such a system includes a monochromatic image detector for generating a video signal corresponding to the field of view through which a target to be detected moves. The video signal is applied to a monochromatic TV receiver for displaying the applied video signals upon a suitable color display capable of displaying the applied video signal in at least two different colors or wavelengths of radiation. Switching circuitry is provided for applying a complete frame of the video signal to the display device to effect display of that frame in the first color and thereafter for applying a frame of the video signal to effect display of that frame in the succeeding color or colors. The rate at which the first and subsequent frames of the video signal are applied to the display means is such that such frames are displayed within a time period corresponding to that of the integration period of the human eye, e.g. .1-.2 seconds. Further, the color display is so adjusted that in the absence of a moving target within the field of view, the first and succeeding frames of the first and succeeding colors are in balance to present a monochromatic display, whereas if a target moves through the field of view, color aberrations appear above the periphery of the displayed moving target.
REFERENCES:
patent: 3156110 (1964-11-01), Clynes
patent: 3307142 (1967-02-01), Doebler
patent: 3527880 (1970-09-01), Gordon
patent: 3614720 (1971-10-01), Ludlum
patent: 3715480 (1973-02-01), Levine
patent: 3829613 (1972-12-01), Melchior
Britton Howard W.
Masinick Michael A.
Trepp R. M.
Westinghouse Electric Corporation
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