Patent ID: 6950074

Claim:
A substantially-planar electronic device having a substantially rectangular shape, comprising: a loop antenna having at least two turns of wiring that form a first arc-shaped portion and a second arc-shaped portion, wherein the first arc-shaped portion includes a first curved portion and a first linear portion the second arc-shaped portion includes a second curved portion and a second linear portion, wherein a first corner of the loop antenna is formed by the first curved portion of the first arc-shaped portion meeting the second linear portion of the second arc-shaped portion, wherein a second corner of the loop antenna is formed by the first linear portion of the first arc-shaped portion meeting the second curved portion of the second arc-shaped portion, wherein the loop antenna is a first loop antenna and is oriented such that the first corner and the second corner of the first loop antenna are each in close proximity to at least one corner of the planar electronic device, wherein the orientation of the first loop antenna prevents overlap of the first and second corner of the first loop antenna by corners of a second loop antenna, and wherein the second loop antenna is in another planar electronic device that at least partially overlaps the planar electronic device of the first loop antenna.