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Research/Patents/US 4725733
US 4725733Tier 3 — General Defense

APPARATUS AND METHOD FOR REMOTELY DETECTING THE PRESENCE OF CHEMICAL WARFARE NERVE AGENTS IN AN AIR-RELEASED THERMAL CLOUD

Assignee

US Government

Filed as: UNITED STATES OF AMERICA AS REPRESENTED BY THE SECRETARY OF THE NAVY

Filed

Jul 18, 1983

Granted

Feb 16, 1988

Location

DAHLGREN VA US

Abstract

An apparatus and method for remotely detecting the presence of chemical ware nerve agents in a suspect thermal cloud. Infrared radiation emitted by a suspect thermal cloud is analyzed by means of a forward looking infrared thermal imager equipped with a spectral filter wheel having four passband filters; three of the spectral filter elements are spectrally optimized to respond to infrared radiation emissions characteristic of chemical warfare nerve agents. The variations in image contrasts of the thermograms generated by selectively filtering the infrared radiation emitted by the suspect thermal cloud are compared to determine the presence or absence of chemical warfare nerve agents in the suspect thermal cloud.

Source: Google Patents

35 USC §181 Secrecy Order

Imposed

Nov 10, 1983

Rescinded

Nov 7, 1986

Duration

2 years, 12 months

Inventor

  • 1ROGER HORMAN

Technology Domains

Sensors

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External Sources

Google Patents — US 4725733USPTO Full Patent (PDF)Browse active SO patents

Record Details

Patent number
US 4725733
Application
06514739
Aerospace match
Yes
Dataset source
35 USC §181 SO records

Browse by Assignee

US Government
Back to patent indexSource: USPTO 35 USC §181 secrecy order records