Display of ultrasound test data

Details Display of ultrasound test data Display of ultrasound test data

1980-10-21

1982-06-08

Ciarlante, Anthony V.

Measuring and testing

Vibration

By mechanical waves

73611, 73620, G01N 2904

Patent

active

043333451

ABSTRACT:
Display of the results of non-destructive testing with a beam of ultrasonic energy is enhanced by exercising precise control over the horizontal sweep voltage which is applied to the deflection plates of a cathode ray tube on which the test information is displayed. The sweep voltage generator produces a sawtooth waveform which has a precisely selectable slope. The sawtooth voltage waveform slope may be adjusted by selecting the capacitance, which is charged from an adjustable constant current source, and by varying the charging current. A microprocessor, which stores information commensurate with various waveform slopes, will control the adjustment of the sawtooth waveform slope by comparison of the stored information with keyboard entered data corresponding to a desired slope.

REFERENCES:
patent: 3577007 (1971-05-01), Cross
patent: 3603981 (1971-09-01), Rollenhagen
patent: 4064742 (1977-12-01), Pittaro
patent: 4088028 (1978-05-01), Hildebrandt

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