초록 ▼

An apparatus such as a humidifier comprises a water storage tank having an externally exposed surface made of a transparent material and its bottom surface is made partially or totally of a transparent plate. A light source is disposed underneath this transparent plate and there is placed inside the

An apparatus such as a humidifier comprises a water storage tank having an externally exposed surface made of a transparent material and its bottom surface is made partially or totally of a transparent plate. A light source is disposed underneath this transparent plate and there is placed inside the tank a structure having surfaces for reflecting or refracting light from this source to the aforementioned externally exposed surface so that the water level inside the tank is easily visible.

대표청구항 ▼

A humidifier comprising a water tank and an atomization chamber mounted on a bottom section having driving means therein, said water tank having an external wall and a bottom wall means made of a transparent material and having a surface substantially exposed to the exterior, a light source mounted

A humidifier comprising a water tank and an atomization chamber mounted on a bottom section having driving means therein, said water tank having an external wall and a bottom wall means made of a transparent material and having a surface substantially exposed to the exterior, a light source mounted on support means beneath said bottom wall means for emitting light into said water tank, and a means on said bottom wall means for guiding and leading said light onto said external wall, the water level in said tank being detectable visually through said external wall by said light.