Circuits, methods, and apparatus for registers to store information that may be used by devices in a display system. The induction heater includes an inverter circuit, an output detection section for detecting the magnitude of the inverter circuit, a first movement detection section, and a storage section for storing a control value before the first movement detection section detects a movement of the object. A processor function maintains a map that keeps track of which data information stored in a first repository have corresponding record information stored in a second repository.