A variety of devices could be powered selectively from a single-power source carried on the body via multiple power supply signals at different frequencies, according to the patent abstract.
The patent device will only be sold in select stores when released.
( z1 sell :ARG1 ( z2 device :mod ( z3 patent ) ) :location ( z4 store :ARG1-of ( z5 select ) ) :mod ( z6 only ) :time ( z7 release :ARG1 z2 ) )