Planar end-fire array

Details Planar end-fire array Planar end-fire array

1969-01-22

1990-10-23

Tarcza, Thomas H.

Communications, electrical: acoustic wave systems and devices

Distance or direction finding

By combining or comparing signals

367123, 367129, G01J 1500

Patent

active

049657763

ABSTRACT:
A planar end-fire acoustic transducer array is composed of a planar matrix f individual elements. In order to give this array an end-fire characteristic, predetermined elements are provided with outputs which are phase-inverted with respect to the outputs of the other elements of the array, the sum of the gains of these predetermined elements being made equal to the sum of the gains of the other elements.

REFERENCES:
patent: 3028591 (1962-04-01), Mattingly
patent: 3368190 (1968-02-01), Wilson et al.
patent: 3378814 (1968-04-01), Butler
patent: 3435409 (1969-03-01), Bringman et al.

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