A portable apparatus comprises a box-shaped housing body. The housing body includes a lower housing and an upper housing coupled to the lower housing. The upper housing includes a component attachment portion opened upward. A functional component such as a speaker is removably supported on the component...http://www.google.de/patents/US6661650?utm_source=gb-gplus-sharePatent US6661650 - Electronic apparatus with cover for component having a wall to clamp the keyboard