Firearms – Implements – Sight devices
Reexamination Certificate
2004-11-12
2010-06-22
Carone, Michael (Department: 3641)
Firearms
Implements
Sight devices
C089S041060, C356S003000
Reexamination Certificate
active
07739823
ABSTRACT:
A fire control system that includes an array of photodiode elements. For each element of the photodiode array, there is a specific optical path in the atmosphere leading from the laser to a target and back from the target to the element. Accordingly, each element of the detector array can be regarded as if illuminated by a distinct light source. For short time periods (in the range of tens to hundreds of milliseconds) the shape or spatial distribution of the refractive-index irregularities does not significantly change, and the irregularities drift with the atmospheric wind. By measuring the signal fluctuations by any element of the photodiode array, it is possible to compute the crosswind velocity. By comparing signal fluctuations patterns of two or more elements it is possible to define the wind direction and to determine the turbulence strength value.
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Shapira Joseph
Zmora Hagai
Carone Michael
Dekel Patent Ltd.
Klein David
Lee Benjamin P
Soreq Nuclear Research Center
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