A computer system has a docking station and a portable computer. The docking station has a platform and a housing having a docking connector. The platform has one or more elevated rails. The portable computer has a computer connector, a base unit having a top portion and a bottom portion, a display unit...http://www.google.de/patents/US6411537?utm_source=gb-gplus-sharePatent US6411537 - Portable computer and system having an alignment mechanism