Underwater piezoelectric arrangement

Details Underwater piezoelectric arrangement Underwater piezoelectric arrangement

1985-09-05

1987-09-22

Kyle, Deborah L.

Communications, electrical: acoustic wave systems and devices

Signal transducers

Underwater type

310800, 367155, 367159, 367169, G01V 138

Patent

active

046959882

ABSTRACT:
Underwater piezoelectric arrangement in which it comprises two piezoelectric layers made of piezoelectric ceramic-polymer composites, one of the layers has larger hydrophone constant than that of the other layer, and by noise cancelling based on the specific construction of the piezoelectric layers only charges or voltages generated by acoustic waves which act on each layer can be selectively detected. The piezoelectric arrangement may be utilized to provide a piezoelectric cable for use in a submarine earthquake searching or fish finding hydrophone, or an acoustic measuring element under water.

REFERENCES:
patent: 3593048 (1971-07-01), Dunegan et al.
patent: 3798474 (1974-03-01), Cassand et al.
patent: 4183010 (1980-01-01), Miller
patent: 4354132 (1982-10-01), Borburgh et al.
patent: 4406323 (1983-09-01), Edelman
patent: 4461179 (1984-07-01), Holt
patent: 4523471 (1985-06-01), Lee

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