System and method for protecting the location of an acoustic...

Communications – electrical: acoustic wave systems and devices – Distance or direction finding – With time interval measuring means

Reexamination Certificate

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Details

C367S124000, C367S129000, C367S906000

Reexamination Certificate

active

07139222

ABSTRACT:
A system and method for protecting sensor positions in an array of acoustic sensors which make up a gunfire locator system. The inventive system includes a purity of sensors and a host computer. Each sensor includes: a microphone for receiving acoustic information; a processor for processing acoustic information to detect an acoustic event and determine a time of arrival; a GPS receiver; an encryption module for encrypting transmitted sensor positions; and a network interface for transmitting sensor positions and times of arrival. The host computer includes: a network interface for receiving sensor transmissions; an encryption module for deciphering sensor positions; and a CPU.

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patent: 6847587 (2005-01-01), Patterson et al.
patent: 2002/0003470 (2002-01-01), Auerbach
patent: 2003/0167139 (2003-09-01), Swartz et al.

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