Ultrasonic test apparatus and sweep voltage generator for use th

Details Ultrasonic test apparatus and sweep voltage generator for use th Ultrasonic test apparatus and sweep voltage generator for use th

1980-10-21

1983-02-15

Ciarlante, Anthony V.

Measuring and testing

Vibration

By mechanical waves

73611, 73620, 328185, G01N 2904

Patent

active

043733948

ABSTRACT:
The results of the non-destructive testing of objects with a beam of ultrasonic energy is enhanced by generating display control signals commensurate with a precisely defined region in the test object. These region related signals may be displayed as a "gate" bar on the screen of a cathode ray tube simultaneously with the display of echo related signals. Echo related signals having a magnitude greater than a threshold level, as also defined by the "gate" bar, are detected and may be employed to energize an alarm.

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

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