Wireless and Battery-free Sensors
Wireless and battery-free sensors combine two advanced technologies. First, they scavenge minute amounts of energy from the environment around them, perhaps from a small temperature change, or the vibration of a movement, or the pressure of someone turning a switch. Then, that energy is used to transmit very short duration, very low energy consumption radio signals containing data collected by the sensor. The result is sensors that do not need batteries and therefore do not need maintenance.
enOcean GmbH: +49 89 67 34 689 - 30; www.enocean.com
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