Transducer array having low cross-coupling

Details Transducer array having low cross-coupling Transducer array having low cross-coupling

1975-12-05

1977-01-18

Tudor, Harold

Communications: electrical

Selective

Addressing

340 12R, 340 10, H04B 1300

Patent

active

040042669

ABSTRACT:
An array of circular, acoustic projecting and receiving transducers is deibed, including a stainless steel baffle plate in which the transducers are mounted, each comprising a stainless steel cup containing a disc-shaped piezoelectric element set in low impedance material and covered by a water impedance matching window. Capacitive and inductive tuning means is provided between each receiving transducer and its associated electronics.

REFERENCES:
patent: 2925582 (1960-02-01), Mattei et al.
patent: 3212056 (1965-10-01), Grieg
patent: 3376438 (1968-04-01), Colbert
patent: 3396286 (1968-08-01), Anderson et al.
patent: 3427481 (1969-02-01), Lenahan et al.
patent: 3464044 (1969-08-01), Strauss
patent: 3513439 (1970-05-01), Egli
patent: 3953828 (1976-04-01), Cook

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