Patent attributes
A docking device is provided. The docking device includes a device mounting part for mounting a portable information device having a forward-descending angular position so that the portable information device comes in contact with the face for use at a front end and is supported by the device mounting part at a rear end; a connection part opposed to a lateral face of the portable information device when the portable information device is mounted on the device mounting part; a connector being connectable to a connection terminal at the lateral face of the portable information device mounted on the device mounting part; a detector for detecting a mounting angle of the portable information device mounted on the device mounting part; and an angle adjustment part to rotate the connector according to the mounting angle detected by the detector.