A Battery-Free Tag for Wireless Monitoring of Heart Sounds

—We have developed a wearable, battery-free tag that monitors heart sounds. The tag powers up by harvesting ambient RF energy, and contains a low-power integrated circuit, an antenna and up to four microphones. The chip, which consumes

• Type: Conference
• Year: 2009
• Where: BSN
• Authors: Soumyajit Mandal, Lorenzo Turicchia, Rahul Sarpeshkar
• Keywords: Ambient Rf Energy, Battery-free Tag, BSN 2009, Low-power Integrated Circuit, Sensor Networks