Liquid container e.g. toothbrush tumbler, has elastic plate bordering to wall of upper section and attached to internal space of hollow base part, and sensor unit and loud speaker connected to another plate in internal space

摘要

The container has a wall exhibiting an aperture edge and base part designed as hollow base part (12). An elastic plate bordering to the wall of an upper section is attached to an internal space (18) of the base part. A sensor unit (24) and a loud speaker (30) are connected to a plate (26) in the internal space. The plate (26) is connected with a battery unit. The sensor and battery units are connected with a switching unit.