This portable apparatus comprises a housing having a circuit built-in, and an input key, an ultraviolet receptive opening and a display, which are combined with the housing as one body. An ultraviolet sensor is provided in the interior of the ultraviolet receptive opening. This portable apparatus comprises...http://www.google.fr/patents/US6936824?utm_source=gb-gplus-shareBrevet US6936824 - Portable apparatus and method for monitoring user's skin
Portable apparatus and method for monitoring user's skin
