BluFlux wins patent for antenna targeting smartphone dead zones

LOUISVILLE – Those dropped cellphone calls in “dead zones” may be all in your head.

That’s the theory behind the patent Louisville-based startup BluFlux announced on Tuesday for what it says is the world’s first cellphone case that increases antenna signal while reducing the radiation users receive from everyday use of those phones.

According to its founder and chief executive, Ben Wilmhoff, “The human head and hands block or absorb as much as 90 percent of the energy radiated by and transmitted to a cellphone” or contribute to a “detuning” effect of the phone’s “overworked” antenna. Wilmhoff said his band of “RF…