Patent ID: 7902474
Filing Date: 2011-03-08
Classification: H01H,H04M,H05K

Abstract:
1. A button assembly comprising: an actuating button member having a first electrical contact and a second electrical contact, the actuating button member having an outer surface that receives externally applied button actuation pressure from a user; and a collapsible dome having first and second sides and a base attached to the actuating button member, the dome being in a relaxed state when no button actuation pressure is applied to the actuating button member and being in a collapsed state when button actuation pressure is applied to the actuating button member, wherein the dome has a conductive material on the first side that faces the first electrical contact and the second electrical contact and that connects the first and second electrical contacts when the dome is in the collapsed state, and wherein the base has an area defining a footprint for the dome; and a planar housing member that overlaps only part of the footprint, wherein the second side bears against the planar housing member.