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Research Frontiers Inc. Message Board

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  • dmw53711 dmw53711 Feb 13, 2004 5:43 PM Flag

    Smart Materials Symposium

    What do you mean with your last comment? I had read about this sunvisor previously and it seems to work the opposite of spd--it's clear until the electric charge is passed across the surface. I assume it doesn't conflict with spd patents? It would be dangerous competition to spd? Aren't they some distance off from manufacturing capability though?

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    • dmw,

      I was speaking ironically about the sunvisor helmet--that such excitement would be generated for what is clearly a limited EC application.

      So I imagine that the same people who are excited about the switchable sunvisor would be equally enthusiastic when they learn of an IN SERVICE smart airplane window . (Not to mention bus and Jeep sunroofs,various architectural windows, etc.)

      Unless, that is, they are proponents of EC, which cannot be used on on curved or polycarbonate surfaces.

      The sunvisor is not in any conflict with SPD patents.

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