Patent ID: 8301215
Filing Date: 2012-10-30
Classification: A61B

Abstract:
1. A biosignal measurement apparatus comprising: a bracelet membrane configured to be worn around a user's wrist; a fixing supporter installed in a first side portion of the bracelet membrane and configured to support a first side portion of the wrist; a moving supporter installed in a second side portion of the bracelet membrane, configured to move towards the fixing supporter and closely attach to a second side portion of the wrist; a sensor unit installed in the bracelet membrane and measuring the user's biosignal from a radial artery; and an information control unit to calculate a distance between the first side portion of the wrist and the second side portion of the wrist by detecting a movement distance of the moving supporter, and to calculate a displacement of the radial artery of the wrist by using a predetermined constant and the calculated distance between the first side portion of the wrist and the second side portion of the wrist.