Ultrasonic section surface examination equipment

Details Ultrasonic section surface examination equipment Ultrasonic section surface examination equipment

1979-11-13

1981-09-08

Kreitman, Stephen A.

Measuring and testing

Vibration

By mechanical waves

73628, 128660, G01N 2900

Patent

active

042877679

ABSTRACT:
A scanning unit comprises two sound transducer heads for projecting sound beams, which are caused to scan a common section plane. Echo signals are derived from the echoes generated in response to said sound beams and are displayed on a fluorescent screen at locations which are geometrically coordinated with the locations at which the corresponding echoes have originated. The sound beam from one sound transducer head scans the section surface in an area which is generally rectangular or has only slightly divergent side edges. The sound beam from the other sound transducer head scans the section surface in an area which has greatly divergent side edges. These areas of the section surface are displayed on different areas of the fluorescent screen. Such scanning unit can be adapted to object of various shapes.

REFERENCES:
patent: 3605724 (1971-09-01), Flaherty
patent: 3693414 (1972-09-01), Soldner
patent: 3778756 (1973-12-01), Houston et al.
patent: 4084582 (1978-04-01), Nigam
patent: 4102204 (1978-07-01), Kretz
patent: 4177679 (1979-12-01), Soldner
patent: 4228687 (1980-10-01), Fraser

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