Patent ID: 8356998

Claim:
A portable information processing device comprising: a circuit board portion that has a main body portion side board mounting an electronic circuit thereon and forming a main body portion, and a connector portion side board forming a connector portion for connection to electronic equipment, wherein the main body portion side board of the circuit board portion mounts an electronic circuit on at least one of a first surface and a second surface opposite to the first surface, and is provided with a main body portion side electro-static discharge line which functions as an electro-static discharge surge arrester at an edge portion of a surface on which at least an electronic circuit is mounted, and wherein the connector portion side board of the circuit board portion is provided with a connector portion side electro-static discharge line which is connected to the main body portion side electro-static discharge line and functions as an electro-static emission portion, on at least one of the first surface and the second surface.