Communications: directive radio wave systems and devices (e.g. – Radio wave absorber
Reexamination Certificate
2005-04-12
2009-06-23
Sotomayor, John B (Department: 3662)
Communications: directive radio wave systems and devices (e.g.,
Radio wave absorber
C342S003000, C342S004000
Reexamination Certificate
active
07551117
ABSTRACT:
The present invention provides an all-weather radio wave absorber having reflector capable of smoothly attenuating harmful microwave or millimeter wave from 400 MHz to 100 GHz generated from various electronic devices so that bad effects on human body or electronic device can be eliminated. The all-weather radio wave absorber having reflector comprises a laminated radio wave absorbing composite comprising a foamed upper radio wave absorber1with a rugged surface or a flat surface including conductive particles such as carbon particles, ferrite particles or the like in continuous foams2formed therein, one or more foamed intermediate planar radio wave absorbers3including conductive particles such as carbon particles7, ferrite particles or the like in continuous foams2formed therein, a thin radio wave reflector4at the bottom, and a flexible cover for wrapping the laminated absorbers and reflector together. The laminated absorbing composite can absorb and attenuate radio waves from every direction, can reflect remaining radio waves by the reflector4and can absorb reflected radio waves by the absorber, so that static electricity generated on clothes is eliminated by the radio wave absorbing composite.
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Creighton Wray James
Sotomayor John B
Ubiquitous Environment Company
LandOfFree
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