Patent ID: 7547279

Claim:
An emotion recognition system, comprising: a physiological signal acquiring unit wearable by a user in the form of a wrist watch, acquires one or more physiological signals from a user and wirelessly transmit the acquired physiological signals and an emotion recognition unit receives the physiological signals transmitted from the physiological signal acquiring unit and monitor them for a time period to perceive an emotional state of the user, wherein the emotion recognition unit comprises: a feature analyzer analyzes features of the physiological signals and generate feature values corresponding to the results of the analysis; a subtractor obtains differences between the feature values of the results generated by the feature analyzer and feature values used as a standard to perceive an emotional state of the user; and an emotion classifier analyzes the differences obtained by the subtractor to classify an emotion into a plurality of emotional categories to perceive an emotional category exhibiting the greatest intensity to be an emotional state of the user.