Method of ultrasonic echo flaw detection and device for effecting same
Method and apparatus for servo-controlling a rotating workpiece
Process and apparatus for automatically adjusting ultrasonic test heads
Method of welding corrugated metallic materials
Method and apparatus for targetless wafer alignment
Carriage mounted apparatus for detecting surface defects in flat surfaced metallic objects
ApplicationNo. 06/580505 filed on 02/15/1984
US Classes:324/207.12, Compensation for measurement318/648, With inertial, direction or inclination measuring instrument318/653, Magnetic transducers324/222, Hysteresis or eddy current loss testing324/225, With compensation for test variable324/226, Combined700/195, Having particular measuring device (e.g., probe)702/151Angular position
ExaminersPrimary: Strecker, Gerard R.
Attorney, Agent or Firm
International ClassesG01B 7/02 (20060101)
G01B 7/30 (20060101)
AbstractThe relative orientation of a probe and a surface is maintained by positioning a proximity sensor off-axis on the probe, rotating the probe, and using the signal from the probe to adjust the relative orientation in a feedback loop.