Patent ID: 8882667

Claim:
An accessory for remote monitoring, comprising: a body capable of being placed on a monitored subject; a measurement unit provided on the body to be in contact with the subject to measure at least one biosignal of the subject; a signal processing unit to process a signal acquired from the measurement unit; and a wireless communication unit including a monopole antenna to transmit the signal processed by the signal processing unit, and a ground installed in the body corresponding to the monopole antenna, wherein the signal processing unit and the monopole antenna are provided on the body and electrically connected to the measurement unit provided on the body, wherein the ground functions as a valid image antenna with respect to the monopole antenna, wherein the ground is installed in the body to form a part of the body, wherein the body has a strip to be hanged on the subject, and wherein the ground electrically connected to the monopole antenna is built in the strip, and a length of the ground is greater than approximately λ/4 of a frequency used by the wireless communication unit to transmit the signal processed by the signal processing unit.