An absorbent article includes an outer cover having a longitudinal axis, a topsheet attached to the outer cover and having a body-facing surface, and an absorbent core disposed between the outer cover and the topsheet. The article further includes a sensation member that includes a sensate, which can...http://www.google.es/patents/US20070233026?utm_source=gb-gplus-sharePatente US20070233026 - Absorbent articles with feedback signal upon urination
Absorbent articles with feedback signal upon urination