Panoramic audio device for passive sonar

Details Panoramic audio device for passive sonar Panoramic audio device for passive sonar

2005-04-26

2005-04-26

Lobo, Ian J. (Department: 3662)

Communications, electrical: acoustic wave systems and devices

Distance or direction finding

By combining or comparing signals

C367S119000

Reexamination Certificate

active

06885612

ABSTRACT:
The invention concerns panoramic audio devices to process the impulsive signals received by passive sonars. It consists in isolating, in each beam, impulsive signals in the frequency and time domains and then filtering them according to the characteristics of the human ear. All left and right signals are then summed in order to be listened to in a headset. It allows rapid processing of impulsive signals.

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patent: 6069585 (2000-05-01), Lanciaux
patent: 6222927 (2001-04-01), Feng et al.
patent: 6424719 (2002-07-01), Elko et al.
patent: 1566857 (1967-11-01), None

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