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Title: Passive infrared bullet detection and tracking

Abstract

An apparatus and method for passively detecting a projectile such as, for example, a bullet using a passive infrared detector. A passive infrared detector is focused onto a region in which a projectile is expected to be located. Successive images of infrared radiation in the region are recorded. Background infrared radiation present in the region is suppressed such that second successive images of infrared radiation generated by the projectile as the projectile passes through the region are produced. A projectile path calculator determines the path and other aspects of the projectile by using the second successive images of infrared radiation generated by the projectile. The present invention, in certain embodiments, also determines the origin of the path of the projectile and takes a photograph of the area surrounding the origin and/or fires at least one projectile at the area surrounding the origin of the path of the projectile.

Inventors:
Publication Date:
Research Org.:
Lawrence Livermore National Lab., CA (United States)
Sponsoring Org.:
USDOE, Washington, DC (United States)
OSTI Identifier:
453532
Patent Number(s):
PATENTS-US-A8241907
Application Number:
ON: DE97003815; PAN: 8-241,907; TRN: AHC29707%%102
Assignee:
US Dept. of Energy, Washington, DC (United States) LLNL; SCA: 450000; 440500; PA: EDB-97:051122; SN: 97001750464
DOE Contract Number:  
W-7405-ENG-48
Resource Type:
Patent Application
Resource Relation:
Other Information: PBD: 1994
Country of Publication:
United States
Language:
English
Subject:
45 MILITARY TECHNOLOGY, WEAPONRY, AND NATIONAL DEFENSE; 44 INSTRUMENTATION, INCLUDING NUCLEAR AND PARTICLE DETECTORS; INFRARED THERMOGRAPHY; PROJECTILES; RADIATION DETECTORS; IMAGES; MILITARY EQUIPMENT; TRAJECTORIES

Citation Formats

Karr, T.J. Passive infrared bullet detection and tracking. United States: N. p., 1994. Web.
Karr, T.J. Passive infrared bullet detection and tracking. United States.
Karr, T.J. Sat . "Passive infrared bullet detection and tracking". United States. doi:. https://www.osti.gov/servlets/purl/453532.
@article{osti_453532,
title = {Passive infrared bullet detection and tracking},
author = {Karr, T.J.},
abstractNote = {An apparatus and method for passively detecting a projectile such as, for example, a bullet using a passive infrared detector. A passive infrared detector is focused onto a region in which a projectile is expected to be located. Successive images of infrared radiation in the region are recorded. Background infrared radiation present in the region is suppressed such that second successive images of infrared radiation generated by the projectile as the projectile passes through the region are produced. A projectile path calculator determines the path and other aspects of the projectile by using the second successive images of infrared radiation generated by the projectile. The present invention, in certain embodiments, also determines the origin of the path of the projectile and takes a photograph of the area surrounding the origin and/or fires at least one projectile at the area surrounding the origin of the path of the projectile.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Sat Dec 31 00:00:00 EST 1994},
month = {Sat Dec 31 00:00:00 EST 1994}
}

Patent Application:

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