US Patent 7242588 Multifunction modular electronic apparatus

A multifunction modular electronic apparatus for performing information technology and telecommunications functions comprises a first module (101) for performing a plurality of first functions; a second module (102) having substantially the same physical dimensions as the first module for performing second functions; and a hinging mechanism (103, 104, 105) for enabling the two modules to be mechanically coupled, to rotate relative to each other over a full range of 360 degrees while remaining stably mechanically coupled in any intermediate position over the range, and to be fully separated from each other.