BIOSIGNAL DETECTION DEVICE

摘要

PROBLEM TO BE SOLVED: To stably detect a biosignal over a long term without any load on a biosignal detection part and with freedom from the deterioration of the detection part due to a load. SOLUTION: This biosignal detection device has a bio support member 1 subjected to a bio load, a fixing member 2 for holding the support member 1 via a spring member, a magnet 3 laid on one of the members 2 and 1 and a coil 4 laid on the other. The displacement of the bio support member 1 relative to the fixing member 2 is read out from the coil 4 and used as a biosignal. The coil 4 is kept so as not to come in contact with the magnet 3, thereby preventing the bio load from being applied to the coil 4 as a load.