APPARAT MED EN LYSEMITTERENDE DEL

摘要

An apparatus is presented having a housing, the housing has an aperture configured to receive a body part of a user. A light emitting part is supported by the housing and at least one proximity sensor is disposed within the housing. A controller is configured to receive signals from the at least one proximity sensor and to determine from the signals whether a body part protrudes by a required amount within the aperture. The control of the appearance of the light emitting part according to the determination.