Passive acoustic tornado detector and detection method

Details Passive acoustic tornado detector and detection method Passive acoustic tornado detector and detection method

1993-05-24

1994-10-11

Lobo, Ian J.

Communications, electrical: acoustic wave systems and devices

Testing, monitoring, or calibrating

340601, 7317016, 367135, H04B 1700, G08B 2100

Patent

active

053553500

ABSTRACT:
A tornado detector includes a microphone which monitors outdoor noise for increasing amplitude within a frequency range characteristic of a tornado. When the sound pressure level within the passband of the detector exceeds established thresholds, logic is applied to determine whether the level is increasing at a rate indicative of an approaching tornado and therefore whether an alarm is to be sounded.

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