Patent ID: 8174372

Claim:
A haptic feedback system comprising: a structure including a first conductive layer, a spacing layer, an actuation layer, a second conductive layer, and a third conductive layer formed between the first conductive layer and the second conductive layer, the third conductive layer also being formed between the spacing layer and the actuation layer, the actuation layer being sensitive to electrical current, at least one of the layers being sufficiently flexible to bend when a pressure is applied to the structure, the first conductive layer and the second conductive layer being normally separated by the spacing layer; a power source electrically coupled to the first conductive layer and the second conductive layer; wherein a normally open electrical circuit is formed from the structure and the power source; wherein, when an adequate pressure is applied to the structure to bring the first conductive layer and the second conductive layer into contact with each other, the electrical circuit is completed, allowing the current to flow through the structure and causing the actuation layer to provide a haptic effect.