Disclosed is an electronic apparatus having a folded state and an unfolded state. The electronic apparatus can be set to: use a sensor module to check whether the electronic apparatus is in the unfolded state; use the sensor module to check whether a first...

Disclosed is a wireless terminal capable of reliably supplying battery power to a wireless terminal body, and capable of reducing the number of fabrication processes and fabrication costs. The battery contact system of a wireless terminal comprises: a body...

A removable battery pack (200) for an eletronic device comprising a guiding portion (203) for guiding the battery pack during insertion or removal and a connecting portion (204) for mechanically and electrically connecting the battery pack to the electroni...

A fuel cell unit (2) for supplying electric power to an electronic apparatus (1) includes a DMFC (22) that generates electric power using methanol as fuel. A microcomputer (21) examines whether or not the fuel cell unit (2) has been installed in the electr...

An electronic apparatus has a first attachment portion to which a first component can be attached to the front of the apparatus body, and a second attachment portion which has a substantially same construction as the first attachment portion and to which a...