Lockheed Cloak of Invisibility (Visual Stealth)

quellish

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If you're familiar with YEHUDI, you should be able to figure this one out:
http://www.google.com/patents/about?id=MP0JAAAAEBAJ&dq

Some background:
http://www.wired.com/dangerroom/2008/05/invisible-drone/

Worth noting that a FATE concept is used in the patent.
 

Lauge

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Q.V.: http://www.secretprojects.co.uk/forum/index.php/topic,8454.0.html ;)

Regards & all,

Thomas L. Nielsen
Luxembourg
 

Sundog

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What I find interesting about the Lockheed patent is how they are apparently using a single light source in each wingtip of the F-22 to reduce visibility; in the patent. I have no idea if the F-22 actually has this system.

I wonder if the panels, or just specific lights were used on the BOP, since it reportedly tested such technology as well.
 

quellish

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Sundog said:
What I find interesting about the Lockheed patent is how they are apparently using a single light source in each wingtip of the F-22 to reduce visibility; in the patent. I have no idea if the F-22 actually has this system.

I wonder if the panels, or just specific lights were used on the BOP, since it reportedly tested such technology as well.

There are aspects of the patent I don't fully understand, but for the F-22 example I think they are showing how it could be used to replace standard formation/landing lights. The text of the patent though does make a point of how this can be done across large areas, even the whole skin of an aircraft. The pash YEHUDI lights programs used point sources by necessity, and even those were impractical for some of the reasons outlined in the patent (durability, maintainability, power). At least one program in the 90s, I'm told, did test a distributed lighting system using panels that could vary in brightness, and it was very effective. This may be a result of that program.
 
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sublight

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Yea, so about that stealth blimp I have been trying to convince you guys of....... :)
 

norseman

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There have been a few tests on armoured vehicles as well with a similar system, a company in Cambridge I think was very active in this kind of technology but unsure of what state it currently stands. The light "bending" technology that is under test just now is also very interesting though no links to hand.
 
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sublight

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Note that they are using it right now at Microwave frequencies....

http://www.mtu.edu/news/stories/2010/july/story29391.html
 

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