Weapon location by acoustic-optic sensor fusion

  • US 6,621,764 B1
  • Filed: 02/20/2001
  • Issued: 09/16/2003
  • Est. Priority Date: 04/30/1997
  • Status: Expired due to Fees
First Claim
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1. A weapon localization system adapted to determine the location of weapon fire, said system comprising:

  • acoustical detection and direction sensing means for detecting energy of a first frequency originating from said weapon fire, and for transmitting a first set of data describing direction to said weapon fire and time of detection of said energy of a first frequency; and

    optical detection and direction sensing means for detecting and sensing direction to energy of a second frequency originating from said weapon fire, and for transmitting a second set of data describing said direction to said weapon fire and time of detection of said energy of a second frequency; and

    radio frequency detection means for detecting energy of a third frequency originating from said weapon fire, and for transmitting a third set of data describing said time of detection of said energy of a third frequency; and

    a first processing means coupled to said acoustical detection and direction sensing means, and said optical detection and direction sensing means, for receiving said first set of data, and said second set of data, and for determining whether said direction described by said first set of data match said direction described by said second set of data and for generating a signal output if said match occurs; and

    a second processing means coupled to said optical detection and direction sensing means, and said radio frequency detection means, for receiving said second set of data and said third set of data, and for determining whether said time of detection described by said second set of data match said time of detection described by said third set of data and for generating a signal output if said match occurs.

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