How to produce energy without input from an energy reserve, By mechanics simply the method is known. Some materials are capable, when they are deformed under the force of a wave, to generate electrons. This phenomenon is known as piezoelectricity.Usually used to produce a shrill sound, it will be used here in reverse. By using materials with piezoelectric properties for the design of the buttons on their remote that NEC's engineers have managed to do without batteries. The energy produced is very low, but with the current electronic technology, consuming less energy, the result is positive and can use this principle.
This project started without a battery remote control since 2006 is the result of collaboration between NEC and Sound Power company specializing in exploiting energy waves. The two partners hope to market the first remote controls based on this technology by 2011.
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