Importance

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Abstract

A tactile-stimulus generation apparatus is configured to apply an electric stimulus to a specific body part of a user, such as a fingertip. A tactile sensation generation electrode group is arranged on an insulating layer, which is installed beneath a front surface of a coordinate input device as a tactile-stimulus generation sheet. When the specific body part is placed in proximity with the insulating layer, the specific body part is capacitively coupled to both positive and negative side electrodes of the tactile sensation generation electrode group which causes differential voltages to be applied as a controlled stimulus across the positive and the negative electrode, where the amount of current which passes from the positive side electrode to the specific body part, is equal to the amount of current which flows out of the specific body part to the negative side electrode.

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First Claim