Devices, substrates, and liquid containment containers

Abstract

One of the objectives of this invention is to detect that no short circuit has occurred between terminals in contact with a plurality of device-side terminals. In the first timing sequence during a period when the voltage input to the second terminal is high, the device of this invention outputs a first low voltage to the first terminal. After outputting the first low voltage, in the second timing sequence during a period when the voltage input to the second terminal is low, it outputs a second high voltage to the first terminal. After outputting the second high voltage, in the third timing sequence during a period when the voltage input to the second terminal is high, it outputs a second low voltage to the first terminal.

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