Sonic direction locating system

Details Sonic direction locating system Sonic direction locating system

1990-09-20

1991-12-03

Pihulic, Daniel T.

Communications, electrical: acoustic wave systems and devices

Distance or direction finding

By combining or comparing signals

367135, G01S 380

Patent

active

050704842

ABSTRACT:
A sonic direction locating system for locating the direction of origin of a specified type of sonic impulse with respect to a reference body, includes a plurality of sonic sensors arranged in a predetermined array to be located at the reference body, and a direction processor for processing the outputs of the sonic sensors to determine the direction of a sonic impulse detected by the sonic sensors according to their positions in the array. The outputs of the sonic sensors are analyzed for predetermined characteristics stored in a storage device, and the direction processor is immediately disabled when one of the predetermined characteristics of the detected sonic impulse does not correspond to a stored characteristic.

REFERENCES:
patent: 4525816 (1985-06-01), Crowther
patent: 4661938 (1987-04-01), Jones et al.

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