US Patent 11867574 Fluidic tactile sensor

A fluidic tactile sensor includes a core having an outer core portion, an inner core portion, and a first channel having a first opening at a first surface portion of the outer core portion. An elastic skin is disposed over the first surface portion. A cell is formed between the first surface portion and the elastic skin and fluidly is fluidly connected to the first channel. The cell contains a fluid. A contact force applied to the elastic skin produces a measurable change in fluid pressure inside the cell.