Method and assembly to detect fluid

摘要

An assembly includes an election chamber, an ejection member, and a capacitance detection unit. The ejection chamber holds a fluid. The ejection member is disposed in the ejection chamber to selectively receive a predetermined amount of power from a power supply line. The capacitance detection unit detects art amount of capacitance.

主权项

1. An assembly comprising:
an ejection chamber to hold a fluid; an ejection member disposed in the ejection chamber to selectively receive a predetermined amount of power from a power supply line and eject the fluid from the ejection chamber; and a capacitance detection unit connected to the power supply line to detect an amount of capacitance therefrom.