An outer operation section is provided in an area other than the exposed area of the first and second movable parts whichever...http://www.google.com/patents/US7565186?utm_source=gb-gplus-sharePatent US7565186 - Portable information processing apparatusAdvanced Patent SearchPublication numberUS7565186 B2Publication typeGrantApplication numberUS 12/021,028Publication dateJul 21, 2009Filing dateJan