signal converter; inverter
Technical term used in electronics and signal processing. Refers to a device that converts one type of signal into another, or specifically an inverter that changes DC to AC or logic levels.
This signal converter changes analog signals into digital.
In a solar power system, the inverter changes direct current to alternating current.
Compound of 符号 (code, sign) + 変換 (conversion) + 器 (device). A straightforward technical coinage.