Hyung-Sok Yeo

Training control method and apparatus using biofeedback

Probe for use in measuring a biological signal and biological signal measuring system incorporating the probe

Apparatus and method for measuring bio signals

Method and apparatus for evaluating human stress using photoplethysmography

Electrode for measuring electrocardiogram and electrocardiogram device including the same

Apparatus, method, and medium controlling electrical stimulation and/or health training/monitoring

Three-dimensional image display apparatus and method

Health care apparatus and method

Method, medium, and apparatus measuring biological signals using multi-electrode module, with a lead search

Method and apparatus for monitoring sports motion