Beamed Patents (Class 73/596)
- Electronic gating (Class 73/610)
- Adjustably responsive to information signal (Class 73/611)
- Plural gating (Class 73/612)
- Of noise (Class 73/613)
- Of signals to pass only echoes from within test body (Class 73/614)
- Of signals to pass only echoes from front surface or flaw and from rear surface of test body (Class 73/615)
- Of signals to pass only echoes from rear surface of test body (Class 73/616)
- Having mechanical delay or mechanical blocking (Class 73/617)
- Having transducer scanning means (Class 73/633)
- Having wave shaping means (Class 73/642)
- Nonvibrating transducer (Class 73/643)
- Having significant coupling means (Class 73/644)