Color display of related parameters

Details Color display of related parameters Color display of related parameters

1984-06-15

1987-02-17

Curtis, Marshall M.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

324220, 340721, A09A 128

Patent

active

046443363

ABSTRACT:
A method and apparatus for producing a color strip display of eddy current test data from a signal produced by an eddy current detector and which varies in amplitude and in phase relative to a reference signal as the detector is displaced relative to a test body. In order to produce the display, a signal representative of the relative displacement of the detector, a signal representative of the amplitude of the detector signal, and a signal representative of the relative phase of the detector signal are produced and the representative signals are supplied to a color display device for producing a strip display which extends along a path determined by the signal representative of the relative displacement of the detector, has an amplitude perpendicular to the path which is a function of the signal representative of the amplitude of the detector signal, and has a color the hue of which is a function of the signal representative of the relative phase of the detector signal.

REFERENCES:
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patent: 4026144 (1977-05-01), Gericke et al.
patent: 4188577 (1980-02-01), Mhatre et al.
patent: 4194149 (1980-03-01), Holt et al.
patent: 4210917 (1980-07-01), Lane, III
patent: 4480225 (1984-10-01), Nance et al.

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