Developed by Belgian research institutions Imec and Holst Centre with TASS software professionals, the system was demonstrated last week at the Wireless Health Conference in San Diego. The system is a necklace of wires attached to a patch on the user’s chest. The patch contains a sensor and two low-power microchips for amplifying the electrocardiogram signals from the user’s beating heart and filtering them. A microprocessor from Texas Instruments processes the data and a low-power radio wirelessly transmits the information to a user’s mobile phone. The Engineer (UK)