DOCKING DEVICE FOR PORTABLE COMPUTER

摘要

PROBLEM TO BE SOLVED: To extend the various kinds of functions of a portable computer by providing a first docking device which is possible to be mechanically combined with a portable computer and has a connector and a second docking device which is possible to be mechanically combined with this first docking device and has the connector. SOLUTION: A first docking device 200 is provided with a first connector 221 which is possible to be mechanically combined and separated with/from a notebook computer 100, physically fits to the docking connector 130 on the side of the notebook computer 100 and matches in an electric specification. A second docking device 300 is provided with a third connector 321 which physically fits to the second connector 222 on the side of a second docking device 200 and matches in the electric specification. The second docking device 300 supplements the parts in which needs between respective users are not made common so much of the functions requested to a docking station.