Side looking sonar apparatus

Details Side looking sonar apparatus Side looking sonar apparatus

1978-04-18

1980-04-22

Tubbesing, T. H.

Communications, electrical: acoustic wave systems and devices

Receiver circuitry

367 88, G01S 966

Patent

active

041997468

ABSTRACT:
A side looking sonar system having a transducer made up of a plurality of active transducer element sections lying along a line and wherein the element sections are relatively phased to provide for all range focusing and multiple beam formation. The element sections are longer in the middle of the transducer and reduce in length toward the ends of the transducer. In one case the line is an arc lying in a plane, with the plane having a certain depression angle.

REFERENCES:
patent: 3716824 (1973-02-01), Dorr
patent: 3881164 (1975-04-01), Kossoff
patent: 3950723 (1976-04-01), Gilmour
patent: 3967234 (1976-06-01), Jones

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