Technology:
Oki Electric
developed a technology to keep an eye on an elderly person living alone. The
new technology makes it possible to get detailed information on his conditions
with the help of radio waves. Unlike the technology that uses infrared rays, it
allows the system administrator to watch an elderly person and recognize a
sudden falling and rapid changes of his aspiration. The device used by this
technology is palm-sized, and it emits radio waves of 24 MHz. It can be put on
the wall of living room and bathroom, and the system analyzes the radio waves
that emit from the body of an elderly person.
Because radio waves
that bounce from the body vary with human behavior, the system can detect even
a small move like aspiration. The system does not violate the privacy of an
elderly person because it does not need a camera. The company did an experiment
of this system in a detached house and confirmed that it recognized the
behavior of an elderly person with such high accuracy of 90%. When an emergency
occurs, the system informs the hospital and family members of the emergency
immediately.
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