Abstract: Disclosed is a tag apparatus for attaching things based on human body communication, including: a tag main body for human body communication configured to be attached to a thing to transmit identification information on a thing to a human body communication receiving device through human body communication during the contact of the human body with the thing; a case configured to protect the tag main body for human body communication; and a thing attachment portion configured to be exposed to an outside of the case to be attached to a particular part of the thing, detect when the human body contacts or approaches the thing, and forms a human body communication channel to output identification information on the thing.

Abstract: Disclosed is a tag apparatus for attaching things based on human body communication, including: a tag main body for human body communication configured to be attached to a thing to transmit identification information on a thing to a human body communication receiving device through human body communication during the contact of the human body with the thing; a case configured to protect the tag main body for human body communication; and a thing attachment portion configured to be exposed to an outside of the case to be attached to a particular part of the thing, detect when the human body contacts or approaches the thing, and forms a human body communication channel to output identification information on the thing.

Abstract: A wearable device apparatus, comprises: a first and second housings configured to be connected with each other; a plurality of light emitters configured to be separately located and configured to emit a light through the first housing; a light guide configured to guide a direction of the light emitted from the plurality of light emitters; a plurality of force detection sensor configured to detect a force applied to a certain point of the first housing; and a control board configured to control the plurality of light emitters through detection of the plurality of force detection sensors.