| 摘要 |
PROBLEM TO BE SOLVED: To provide a structure for fixing a piezoelectric unit for detecting the consumption state of liquid in a liquid container appropriately thereto. SOLUTION: The structure for fixing a piezoelectric unit 106, being used for detecting the consumption state of liquid in a liquid container 1, to the liquid container 1 comprises a section 363 being fixed with the piezoelectric unit 106 and a section 360 being fixed to the liquid container 1. |
