Melody cup for blind people

摘要

If the present invention containing a liquid drink mug melody output is only able to detect the water level and , in the case such as that holds the water for cleaning of the mug , the control does not output the melody sound is unnecessary to suppress the output of the melody sound for the visually impaired in the mug can be made to reduce battery consumption , the water level sensor measurement arrangement the output time is narrowed by increasing the price of melody narrowed the gap to the upper side of the mug are able to follow the mug of liquid by the visually impaired more attention . ;