Patent ID: 7889187

Claim:
A user interface which produces electrical signals for controlling a plumbing fixture, said user interface comprising: a selector having a selector ring positioned to rotate around the pedestal and containing an annular arrangement of a plurality of permanent magnets, and having a Hall effect sensor located adjacent the selector ring and producing an electrical signal in response to motion of the plurality of permanent magnets; a body of magnetic material mounted to the faceplate and to which at least one the plurality of permanent magnets is attracted to aid in retaining the selector ring around the pedestal; and a plurality of switches each responding to a user pressing a different portion of the faceplate; an enclosure having a faceplate with a surface that forms an exterior surface of the user interface and having a pedestal shaped as a cylinder that has a first end abutting and fixedly attached to the exterior surface and a closed second end spaced outwardly from the exterior surface, wherein the cylinder forms an exterior projection of the enclosure; a display for presenting information to a user of the plumbing fixture, wherein the display is visible through the exterior surface of the faceplate; a selector having a selector ring positioned to rotate around the pedestal and containing an annular arrangement of a plurality of permanent magnets, and having a Hall effect sensor located adjacent the selector ring and producing an electrical signal in response to motion of the plurality of permanent magnets; a body of magnetic material mounted to the faceplate and to which at least one of the plurality of permanent magnets is attracted to aid in retaining the selector ring around the pedestal; and a plurality of switches each responding to a user pressing a different portion of the faceplate.