Patent ID: 8905659
Filing Date: 2014-12-09
Classification: G06F

Abstract:
1. A keyboard comprising: a first substrate comprising a first upper surface and a first lower surface opposite the first upper surface; a second substrate located apart from the first substrate and comprising a second upper surface and a second lower surface opposite the second upper surface, the second upper surface facing the first lower surface; a first electrode layer positioned on the first lower surface and comprising a plurality of first conductive layers positioned apart from each other, each of the plurality of first conductive layers comprising a first carbon nanotube layer structure, the plurality of first conductive layers is parallel with each other and oriented in a first direction; a second electrode layer positioned on the second upper surface and comprising at least one second conductive layer; and a plurality of rows of keys located on the first upper surface, each of the plurality of rows is parallel to the first direction, and an amount of the plurality of first conductive layers is larger than an amount of the plurality of rows, wherein each key is detectable by at least one first conductive layer.