Patent ID: 8662773

Claim:
A system comprising: an electronic apparatus comprising a lower frame, an upper frame, and a selected one of hinge structures, the hinge structures allowing the upper frame to openably cover the lower frame, wherein: the hinge structures are removably attached to the lower frame and the upper frame and include a first-specification hinge structure and a second-specification hinge structure; said system comprising, as the selected one of the hinge structures, the first-specification hinge structure when said apparatus is constructed as the electronic apparatus of a hip down design specification; the first-specification hinge structure comprising: a first lower frame hinge piece having a first hinge center at its center and removably attached to the lower frame so that the first hinge center is positioned on an upper surface of the lower frame; and a first upper frame hinge piece having the first hinge center at its one end and having the other end removably attached to the upper frame; said system comprising, as the selected one of the hinge structures, the second-specification hinge structure when said system is constructed as the electronic apparatus of a hip up design specification; the second-specification hinge structure comprising: a second lower frame hinge piece having a second hinge center at its one end and having the other end removably attached to the lower frame so that the second hinge center is positioned above the upper surface of the lower frame; and a second upper frame hinge piece having the second hinge center at its one end and having the other end removably attached to the upper frame.