CPC H04B 1/3888 (2013.01) [H01Q 1/242 (2013.01); H01Q 1/44 (2013.01)] | 21 Claims |
1. A protective case for use with an electronic device having one or more antenna regions, the protective case comprising:
an outer shell; and
an inner cushion liner attached to an inner surface of the outer shell, wherein the inner cushion liner is configured to receive the electronic device when the electronic device is installed in the protective case, wherein the inner cushion liner is configured to contact and cover at least portions of a back and sides of the installed electronic device, wherein the inner cushion liner includes a first material for cushioning the installed electronic device, wherein the inner cushion liner further includes a second material in one or more regions, wherein the second material in the one or more regions is positioned to be in proximity to a respective one of the one or more antenna regions of the installed electronic device, and wherein the second material has a dielectric constant that is different than a dielectric constant of the first material in at least one operating frequency range of the electronic device.
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