via CNX-SOFTWARE
Nihon University have developed a tiny blood pressure monitor, which you can just touch with your finger, in order to get maximum and minimum (systolic and diastolic) blood pressures, both average and real-time values, as well as pulse rate and pulse waveform displayed on your smartphone.
Announcement for this method of blood pressure measurement was done at Medica 2012 in Germany.
The innovation is that blood pressure is measured just with LED emitter and receiver using “Phase Shift Method”. Read the original article at http://techon.nikkeibp.co.jp/english/NEWS_EN/20131121/317741/
olimex 
Nov 23, 2013 @ 12:36:27
Great Evaluations of Nihon University!!!!! It is the real time Sensor which will be helpful for calculating the Blood pressure and so many related things..
i also know some of these related apps with same functionality and will helpful for monitor your health.. wearable gadgets to monitor your health. These gadgets will show your health related view on your monitor