Patent ID: 7439709

Claim:
A charger unit for an electronic device, said charger unit comprising: a housing; a plurality of charging contacts provided on said housing, wherein a plug having a plurality of prongs may be selectively attached to and detached from said housing, one or more of said prongs being electrically connected to a respective one of said charging contacts when said plug is attached to said housing; a recess provided in said housing; and a plurality of storage sockets provided in said housing within said recess, each of said storage sockets being adapted to receive and hold therein a respective one of said prongs of said plug; wherein said plug has a base, said prongs being attached to a first surface of said base, wherein a middle point of each of said prongs is located in a first plane that is substantially perpendicular to said first surface of said base and located a first distance from a first end of said base and a second distance from a second end of said base opposite said first end, said first distance being measured in a first direction that is substantially perpendicular to said first plane and said second distance being measured in a second direction that is substantially perpendicular to said first plane and opposite said first direction, said first distance being greater than said second distance, wherein a middle point of each of said storage sockets is located in a second plane that is substantially perpendicular to a bottom surface of said recess and located a third distance from a first end of said recess and a fourth distance from a second end of said recess opposite said first end, said third distance being measured in said first direction and said fourth distance being measured in said second direction, and wherein said third distance and said fourth distance are each greater than said first distance.