A portable monitoring apparatus includes a bracelet having a housing and a strap for connecting the bracelet with a body part of a person being monitored, and an electronic monitoring circuit disposed in the housing. The electronic monitoring circuit executes an executable program for controlling the...http://www.google.de/patents/US7750815?utm_source=gb-gplus-sharePatent US7750815 - Portable monitoring apparatus with over the air programming and sampling volume collection cavity