Interface unit and computer

摘要

In an interface unit, a shield layer includes an aperture through which magnetic flux generated by a power feeding coil of an antenna passes. Since the antenna is smaller than the shield layer, the aperture is much smaller than the shield layer. Thus, noise constituted by electromagnetic waves that travel from inside to outside of a computer via an aperture provided in an upper surface cover is blocked. During communication, the antenna and the shield layer are electromagnetically coupled to each other, and the shield layer defines and functions as an antenna. This allows proper communication with a communication target.

主权项

1. An interface unit comprising:
an electrostatic capacitance pointing device including a pair of electrodes and one surface defining and functioning as an input surface; a shield disposed on one of the pair of electrodes and including an opening; and a power feeding coil that is smaller than the shield and electromagnetically coupled to the shield; wherein the interface unit is configured to communicate with an external apparatus; and the opening of the shield extends to an outer edge of the shield.