Communications – electrical: acoustic wave systems and devices – Distance or direction finding
Patent
1982-11-26
1986-04-08
Farley, Richard A.
Communications, electrical: acoustic wave systems and devices
Distance or direction finding
367129, 367140, G01S 380
Patent
active
045817278
ABSTRACT:
An apparatus and method for detecting the direction of a sound. A thin shell structure is permitted to flex in response to incident sound and perturb the form of the shell. The perturbation is detected and from this the direction of the sound can be determined.
REFERENCES:
patent: 3818425 (1974-06-01), Peynaud et al.
patent: 3930556 (1976-01-01), Kusuda et al.
patent: 4180328 (1979-12-01), Drain
Harper Philip G.
Jardine Stuart I.
Quinn Andrew J.
Treherne David M.
Farley Richard A.
National Research Development Corp.
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