Panasonic Electric Works Co Ltd exhibited a prototype of an ultraslim non-contact charging module for the use of mobile devices at CEATEC JAPAN 2008.
The module is an electromagnetic induction type, which uses a coil. With the thickness of 1mm or less, it does not much affect handset designs when embedded.
This time, Panasonic displayed the new module for reference. But the module will possibly be employed for mobile phones in the first half of 2009, the company said.
The module is equipped with a wire-wound coil as is the company's previous products. But the new module is slimmer because of its new structure, etc.
The sides of the module are made of ferrite material. It can be operated with a power supply voltage of 5.5V and 500mA. Its power transmission efficiency is about 70%, Panasonic said. The company developed the entire module, including the coil and the power circuit, in house.