Patent ID: 8143982

Claim:
An accessory unit, comprising: a hinge span, the hinge span including a first magnetic element suitable for magnetic attachment to a host unit having a display; and a flap portion pivotally connected to the hinge span, the flap portion comprising: a plurality of segments all but one of which are substantially the same size and wherein one segment is wider than the other segments, wherein each segment includes a pocket that is about the same size as the corresponding segment, a rigid insert incorporated into each pocket, the rigid insert providing support for the associated segment, and a folding region between each of the segments arranged to allow the plurality of segments to fold with respect to each other, wherein a first segment is located at a first end of the flap at the hinge span and includes a magnetically attractable element and wherein a second segment is located at a second end of the flap opposite the first end and includes a plurality of magnets, wherein in a first folded configuration the flap portion forms a triangular structure when the first and second segments are folded one atop the other such that at least one of the magnets in the second segment magnetically attract the magnetically attractable element in the first segment, wherein the first and second segments that are folded one atop the other and magnetically attached to each other form one side of the triangular structure that is about equal in width to a second side of the triangular structure each of which is narrower than a third side of the triangular structure.