Origin of FINDER
Leveraging space-age technology
The original technology is used by NASA to detect and measure motion of spacecraft, gravity fields, and deep space navigation. NASA’s Jet Propulsion Laboratory (JPL), California Institute of Technology (Caltech), and the Department of Homeland Security’s Science and Technology Directorate (DHS-S&T) all collaborated to adapt this tech into FINDER: Finding Individuals for Disaster Emergency Response. The idea was to save lives that are trapped in rubble from natural disasters, catastrophic accidents, and terrorist acts of mass destruction. However, there are additional life-saving scenarios that can benefit from this technology, and R4 FINDER is now a fully-licensed and commercialized product that uses FINDER technology.
How it Works
The sensor detects human beings, hidden from view by enclosed walls or trapped in rubble, by their heartbeats and breathing patterns. Low-powered microwaves, about 1/1000th of the power generated in a cell phone, are directed towards an intended search area. The microwaves bounce or reflect off objects (enclosed areas, walls, or rubble) yielding data from vibrations. This captured information is then analyzed by software algorithms, compares the signal-to-noise ratio of human heartbeats against all other background noise, and provides a final output on whether human life has been located. The unique thing about a human heartbeat is that the rhythmic beat changes with each breath.