Multiple curved transducers providing extended depth of field

Details Multiple curved transducers providing extended depth of field Multiple curved transducers providing extended depth of field

1983-01-17

1985-08-20

Kreitman, Stephen A.

Measuring and testing

Vibration

By mechanical waves

310335, G01N 2900

Patent

active

045356300

ABSTRACT:
The invention is an apparatus useful in ultrasonic imaging to provide a highly focussed wave with a large depth of field. The apparatus comprises two or more coaxial, curved transducers, each producing adjacent, coaxial fields.

REFERENCES:
patent: 4016751 (1977-04-01), Kossoff
patent: 4276491 (1981-06-01), Daniel
patent: 4459853 (1984-07-01), Miwa et al.

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