A vital sign measurement device includes a sensor fixation device, a sensor frame held by the sensor fixation device, an optical sensing system 104 held by the sensor frame, and an output unit. The sensor fixation device is adapted to be placed against an anatomical location of a subject, within which...http://www.google.de/patents/US7822299?utm_source=gb-gplus-sharePatent US7822299 - Optical power modulation vital sign detection method and measurement device
