Ultrasonic test apparatus and sweep voltage generator for use therein
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United States of America Patent
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-
Feb 15, 1983
Grant Date -
N/A
app pub date -
Oct 21, 1980
filing date -
Nov 9, 1979
priority date (Note) -
Expired
status (Latency Note)
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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.
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