Equipment for displaying section images of objects subjected to

Details Equipment for displaying section images of objects subjected to Equipment for displaying section images of objects subjected to

1979-08-03

1981-08-04

Ciarlante, Anthony V.

Measuring and testing

Vibration

By mechanical waves

73633, G01N 2904

Patent

active

042815495

ABSTRACT:
Equipment is disclosed which serves to trace B-scan section displays of specimens and comprises a sound transducer head, which is oscillated by a scanning mechanism and projects sound beams, which scan the section to be displayed. The echoes which originate in response to these sound beams are displayed on a fluorescent screen at locations which are associated with the locations at which said echoes have originated. The sound transducer head comprises two sound transducers, the axes of which in the plane in which they are oscillated include an angle which is not in excess of the angular range of oscillation. As a result, the pitch with which the section to be displayed is scanned by ultrasonic beams is decreased and/or the angular velocity of the sound transducer head may be decreased.

REFERENCES:
patent: 3439530 (1969-04-01), Flaherty et al.
patent: 3955561 (1976-05-01), Eggleton
patent: 4010634 (1977-03-01), Baumgartner
patent: 4102204 (1978-07-01), Kretz

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