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Wireless Electricity. The End Of The Plug?. What is it?. Based on electromagnetic induction (using conductive materials in coils to create a magnetic field)

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wireless electricity

Wireless Electricity

The End Of The Plug?

what is it
What is it?
  • Based on electromagnetic induction (using conductive materials in coils to create a magnetic field)
  • Resonant Magnetic Coupling: when two objects exchange energy through their varying or oscillating magnetic fields. -Natural frequencies of the two objects are approximately the same.

—Source:

http://en.wikipedia.org/wiki/Wireless_electricity

slide3

HOW WIRELESS POWER WORKS

  • 1. Magnetic coil (Antenna A) is housed in a box and can be set in wall or ceiling.
  • 2. Antenna A, powered by mains, resonates at a specific frequency.
  • 3. Electromagnetic waves transmitted through the air.
  • 4. Second magnetic coil (Antenna B) fitted in laptop/TV etc resonates at same frequency as first coil and absorbs energy.
  • 5. Energy charges the device.

Source: www.bbc.co.uk/2/hi/8165928.stm

in layperson s terms
In Layperson’s Terms
  • Wireless electricity is the transfer of power to a

device over the air.

  • — It will allow devices to be powered or charged (with the proper wireless attachments) without being plugged into a wall outlet or docked in a charging station.

Source:

http://www.witricity.com/

how it will be used
How It Will Be Used
  • Wireless electricity can be used to power or recharge:
        • Cell Phones
        • TVs
        • Computers
        • Electric Cars
        • Cordless Tools
        • Industrial Machinery
        • Medical Devices (pacemakers, etc.)
        • Military Devices (unmanned robots, planes)
        • Consumer Appliances
        • ANYTHING ELECTRIC!

Source:http://www.witricity.com/pages/application.html

future uses in business
Future Uses In Business
  • More Efficient Office Buildings/Factories
    • Entire office buildings will run on wireless electricity
    • Employees computers, cell phones, printers will all stay charged throughout the business day
    • Electric appliances will not have to be placed around power outlets; running cords is no longer a hassle

Source: http://www.witricity.com/pages/application.html

current uses
Current Uses
  • Wireless charging pads
  • Electric Toothbrushes:
  • Both of these techniques use small electric fields to charge the devices.
  • Haier America Digital Products group has already developed a HDTV that transmits electricity and the HD signal, making the TV completely wireless

Source: http://electronics.howstuffworks.com/wireless-power1.htm

http://www.physorg.com/news182608923.html

benefits
Benefits
  • More Reliable/Less Costly

- Never run out of battery power in wireless zones

- Power transfers more efficiently than through wires

  • More Convenient

- No more changing batteries

- No messy cords

  • Environmentally Friendly

- Reduces the use of disposable batteries

- Reduces energy loss

Source: http://www.witricity.com/pages/application.html

slide9
Cost?
  • Cost is still undetermined
  • What they say is there are no exotic materials being used that would make it overly expensive
  • Prices should be comparable to products already out

Source: http://www.witricity.com/pages/application.html

wireless electricity10
Wireless Electricity

Here is an example of how this technology works:

http://www.ted.com/talks/eric_giler_demos_wireless_electricity.html