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Wireless Power

Wireless Power. The End of Chords Michael Russo. How it Works. Electromagnetic Induction Resonant Magnetic Coupling- two objects exchange energy through their varying or oscillating magnetic fields . http://electronics.howstuffworks.com/everyday-tech/wireless-power.htm.

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Wireless Power

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  1. Wireless Power The End of Chords Michael Russo

  2. How it Works • Electromagnetic Induction • Resonant Magnetic Coupling- • two objects exchange energy through their varying or oscillating magnetic fields. http://electronics.howstuffworks.com/everyday-tech/wireless-power.htm

  3. How it Works Cont. • 1. Magnetic coil (Antenna A) is set in wall or ceiling. • 2. Rectenna A, powered by mains, resonates at a specific frequency. • 3. Electromagnetic waves are then transmitted through the air. • 4. Second magnetic coil (Rectenna B) in phone, laptop, etc… runs at same frequency as first coil and retrieves energy. • 5. Energy charges the device.

  4. A rectenna is a rectifying antenna, a special type of antenna that is used to convert microwave energy into direct current electricity. They are used in wireless power transmission systems that transmit power by radio waves. Rectenna

  5. Future • More efficiency in households/businesses. • All electronics will be charging electronically throughout the day • No need for plugs/wires. • Less manufacturing need for these types of products. • http://www.futureleap.com/news/wireless-power/

  6. Where We See it Today • Toothbrushes • Wireless power pads • These type of power sources can only produce small amounts of frequency.

  7. Advantages vs. Disadvantages • More reliable • Less costly • Convenient • Environmentally friendly • Cost (Research, development) • Overcoming distance • Need for high frequency

  8. References • "Wireless Power Arriving Soon | Future Leap." Future Leap. N.p., n.d. Web. 12 Nov. 2013. http://www.futureleap.com/news/wireless-power/ • "How Wireless Power Works." HowStuffWorks. N.p., n.d. Web. 12 Nov. 2013. http://electronics.howstuffworks.com/everyday-tech/wireless-power.htm • "Key Factors for Wireless Power Transfer." ScienceDaily. ScienceDaily, 31 July 2013. Web. 1 Nov. 2013.http://www.sciencedaily.com/releases/2013/07/130731122512.htm • "Understanding Low-frequency Non-radiative Power Transfer." Low-frequency Non-radiative Power Transfer. N.p., n.d. Web. 12 Nov. 2013. http://www.wirelesspowerconsortium.com/technology/low-frequency-non-radiative-power-transfer.html

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