Wide aperture ultrasonic scanner employing convex transducer arr

Details Wide aperture ultrasonic scanner employing convex transducer arr Wide aperture ultrasonic scanner employing convex transducer arr

1983-12-29

1986-03-18

Levy, Stewart J.

Measuring and testing

Vibration

By mechanical waves

G01N 2904

Patent

active

045760454

ABSTRACT:
Disclosed is a wide aperture ultrasonic scanner which requires no moving parts. A convex array of transducer sub-elements is provided. Groups of sequential sub-elements form a transmission/reception element, and groups of transmission/reception elements are activated to form a vector. A plurality of vectors are defined by selectively removing and adding sequential sub-elements forming each element.

REFERENCES:
patent: 4208916 (1980-06-01), Thomenius et al.
patent: 4344327 (1982-08-01), Yoshikawa et al.
patent: 4409982 (1983-10-01), Plesset et al.
patent: 4462092 (1984-07-01), Kawabuchi et al.
patent: 4516583 (1985-05-01), Richard

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