Davis Lee 40883134
Tracy Zhang 52663135
Andrew Liang 51869139
Regular electronic devices require wires to get changed. There is a crazy invention which enables to charge electronic devices remotely. It was invented in China, and it’s called wireless charger.
The function of the wireless charger is simple. It use electromagnetic wave to transmit electrical energy to devices since electromagnetic wave can be the carrier of energy. However, the energy will scatter in air during transmitting. Therefore, scientists use a kind of non-radioactive field to concentrate those energy. Then, the concentrating electromagnetic wave will cause the vibration of receiver so that the receiver will establish current due to this electromagnetic induction.
The biggest advantage about wireless charger are obvious, which is its convenience. People do not need to carry the chargers with them when they are traveling. And also,
It has no corrosion when the electronics are all enclosed, away from water or oxygen in the atmosphere. But it also has some disadvantages, such as lower efficiency and waste heat, cause the implementations use lower frequencies or older drive technologies charger more slowly and generate heat within most portable electronics ( “wikipedia:
Inductive Charging”).
Lots of inventions have used it, such as Samsung Galaxy S4 cell phone invented by Samsung, and Nexus 5 invented by Google and LG(“Wikipedia:Inductive Charging”). It will be used in more technology fields in the future.
This is a very useful gadget, perhaps you could think further about how these chargers are made?