Patent ID: 7789869
Filing Date: 2010-09-07
Classification: A61F

Abstract:
1. A method for remotely detecting when an absorbent article is unfastened or removed from the body of a wearer, the method comprising: providing said absorbent article with a fastening system comprising at least a first and a second part, said parts being devised to be separated when the absorbent article is not attached to the wearer, and being devised to be close together when said article is attached to the wearer, where said first part is provided with an area that has a capability of influencing a resonant entity arranged at or close to said second part of said fastening system; fastening said absorbent article to the wearer; reading a resonant frequency and/or a signal strength of a signal emitted from said resonant entity; and determining, based on said read frequency and/or signal strength, the state of the absorbent article as being unfastened/removed from the wearer or correctly fastened to the wearer.