An electronic apparatus including a first housing and a second housing. The first housing has a top wall, a left side wall, and a right side wall. The second housing is supported on the first housing. The top wall has a plurality of stepped parts at its peripheral parts that are connected to the left...http://www.google.de/patents/US6798648?utm_source=gb-gplus-sharePatent US6798648 - Portable electronic apparatus having a flat box shaped housing
