Method and apparatus for measurement of component video...

Details Method and apparatus for measurement of component video... Method and apparatus for measurement of component video...

H - Electricity

04

N

350/1

H04N 17/02 (2006.01)

Patent

CA 1260604

METHOD AND APPARATUS FOR MEASUREMENT OF COMPONENT VIDEO SIGNAL CHARACTERISTICS ABSTRACT A method and apparatus for measuring charac- teristics of a component color video signal. In one embodiment the luminance component of a color video signal is applied to the vertical input of a cathode ray tube display device and a chrominance component is applied to the horizontal input. The resultant dots and transitions therebetween produced by the display trace provide an indication of component bandwidth, amplitude and relative time between components. All components can be compared simultaneously by alter- nately applying one chrominance component with the luminance component, and the other chrominance compo- nent with an inverted luminance component. In another embodiment one chrominance component is applied to the vertical input and the other is applied to the horizon- tal input. Delay circuits are provided for use with a time-division multiplexed video signal to compare time multiplexed components simultaneously. A graticule is provided for relating the display trace to a standard display.

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