摘要:
The present application relates to a method for shielding electromagnetic waves by using graphene inside or outside an electromagnetic wave generating source and/or by using graphene formed on a substrate, and an electromagnetic shielding material including the graphene.
摘要:
A skin moisture measuring apparatus that measures moisture in a testee's skin includes an earphone plug that is connected to an earphone port of a smart device and connects the skin moisture measuring apparatus to the smart device; an oscillation signal generation unit that generates an oscillation signal; and a sensor unit that includes two or more contact portions exposed to the outside to be in direct with the testee's skin, modifies the oscillation signal depending on an electrical resistance corresponding to a moisture content in the testee's skin and formed between the two or more contact portions, and generates a measurement signal. In the skin moisture measuring apparatus, the sensor unit transmits the measurement signal to the smart device through the earphone plug.