Wireless charging for mobile phone
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Transcript of Wireless charging for mobile phone
Wireless Charging for
Mobile Phones
By
APS
1
Introduction
Wireless Charging is a technique of
transmitting power through an air gap to
electrical device for the purpose of energy
replenishment.
2
Benefits of Wireless Charging
Reduced cost
Improved user friendliness
Better product durability with contact free
devices (E.g. Waterproof & Dustproof )
Different brands & model can use same
charger
On-demand power supply (avoid over-charging, minimized energy costs)
Enhanced flexibility ( E.g. use of device such as body implanted sensors)
3
Techniques use for Wireless
Charging
Inductive Coupling (Qi Standard)
◦ Smartphone, tablets, Bluetooth headsets,
cameras and portable power packs
Resonance Coupling (A4WP Standard)
◦ Electric cars, Robots, Vacuum Cleaners,
Laptop computers & other items that
require large amounts of power
Microwave radiation
4
Induction Coupling
5
Resonance Coupling
6
Microwave Radiation
7
8
Use of Microwave Radiation
9
Simultaneous Wireless Information and Power Transfer
( SWIPT)
THANKYOU
10
A4WP
Qi
11