Battlefield environment thermal analyzer
First Claim
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1. The method of synthesizing the thermal signature of a target and background as seen through a thermal viewer comprising the steps of:
- mounting a series of test elements having equal exposed surfaces, but different temperatures vs. time characteristics, when exposed to the same thermal radiation source, on a low heat capacity support member;
exposing said test elements simultaneously to at least a 24 hour variation of insolation at a plurality of widely separated geographical locations at different times of the year;
independently measuring the temperature vs. time characterstic of each test element; and
correlating said test elements by composition and thickness to exposed surface areas of the target and background to construct a temperature as time signature of the two in combination.
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Abstract
A method and apparatus for simulating thermal images of various target dees and backgrounds as they would appear when viewed with a thermal viewer. A number of test elements of varying thicknesses are arranged in such a manner that upon solar heating the thermal signature thereof will represent the particular target for which the elements have been arranged, thereby eliminating the need for having to physically pursue the acquisition of the actual target for test purposes.
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2 Claims
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1. The method of synthesizing the thermal signature of a target and background as seen through a thermal viewer comprising the steps of:
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mounting a series of test elements having equal exposed surfaces, but different temperatures vs. time characteristics, when exposed to the same thermal radiation source, on a low heat capacity support member; exposing said test elements simultaneously to at least a 24 hour variation of insolation at a plurality of widely separated geographical locations at different times of the year; independently measuring the temperature vs. time characterstic of each test element; and correlating said test elements by composition and thickness to exposed surface areas of the target and background to construct a temperature as time signature of the two in combination. - View Dependent Claims (2)
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Specification
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Current AssigneeUnited States Of America As Represented By The Secretary Of The Army (Government of the United States of America)
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Original AssigneeThe United States Of America As Represented By The Secretary Of The Army
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InventorsD'Agostino, John A., Lillie, Thomas J.
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Primary Examiner(s)Tokar, Michael J.
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Assistant Examiner(s)Noland, Tom
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Application NumberUS06/261,839Time in Patent Office2,069 DaysField of Search73/340, 73/341, 73/339 C, 73/15 R, 73/190 EW, 73/342, 73/432 J, 73/432 SD, 250/316.1, 250/349, 374/101, 374/102, 374/103, 374/109, 374/110, 374/124, 374/137, 374/166, 374/167US Class Current374/124CPC Class CodesG09B 9/003 for military purposes and t...
