Acoustic transducing system

Details Acoustic transducing system Acoustic transducing system

1978-08-03

1979-11-06

Farley, Richard A.

Communications, electrical: acoustic wave systems and devices

Distance or direction finding

With beam steering, scanning, or focussing

343100LE, G01S 380, H04R 132

Patent

active

041737482

ABSTRACT:
A transducer array is provided with omni-directional transducers, bi-directional transducers, and a processor which forms omni and bi-directional beams that are combined to cancel image lobes to give the array a uni-directional characteristic in which but a single, steerable main lobe is formed over a broad range of steering angles.

REFERENCES:
patent: 3670335 (1972-06-01), Hirsch
patent: 3870989 (1975-03-01), Mallet

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