Sound Thinking
Law Enforcement

7,139,222: System and method for protecting the location of an acoustic event detector

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Type:

US

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Application Number:

10/905795

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Publication Date:

20061121

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Filing Date:

20050120

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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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