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Induction power transfer: current benefits and future possibilities

Induction Power Transfer – also called Inductive Power Transmission – is generally known as the transfer of electricity from one system to another through wireless techniques. Nowadays, wireless charging constitutes a “hot topic” for companies and tech professionals, because of many different reasons.

It is not by chance that – as recently stressed by Forbes magazine – Apple received two patents related to wireless power. The idea? Transform computers in charging regions to transfer wireless power to any number of suitably configured devices.

WHICH ARE THE MAIN BENEFITS OF WIRELESS CHARGING?

Wireless charging lets users benefit from different positive factors related to wires, reliability and tolerance.

  • Wires are sometimes messy and not secure.
  • IPT does not create any particular maintenance problem.
  • IPT is unaffected by dirt, water and chemicals.

THE WIRELESS POWER MARKET: CURRENT SITUATION AND FUTURE POSSIBILITIES 

As showed by experts Michael Joehren, Klaas Brink, Kai Neumann, Rick Dumont and Mike Bruno in a January 2014 NXP paper, nowadays:

The wireless charging market is currently being hindered by the lack of a common standard that guarantees interoperability between devices (clients) and charging pads (hosts) from different vendors.

As a matter of fact:

Communication between the transmitter and the receiver is needed to enable a working charging process. Without a reliable and interoperable communication the charging process will not start, or charging may be interrupted during the charging process.

Possible, future applications of the technology are different: for example, the consumer wireless power market is still in its infancy.

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