Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
December 2, 2008
Patent Application Number
11135865
Date Filed
May 23, 2005
Patent Citations Received
Patent Primary Examiner
Patent abstract
An optical safeguard device with two linear variable Fabry-Perot filters aligned relative to a light source with at least one of the filters having a nonlinear dielectric constant material such that, when a light source produces a sufficiently high intensity light, the light alters the characteristics of the nonlinear dielectric constant material to reduce the intensity of light impacting a connected optical sensor. The device can be incorporated into an imaging system on a moving platform, such as an aircraft or satellite.
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