Control device, electronic device and control system

A control device configured to control at least one of a machine tool and a peripheral device of the machine tool, the control device comprising:

• a storage unit;
• a control unit;
• and
• a light emitting element,
• the storage unit storing
• a first information on at least one of the machine tool and the peripheral device of the machine tool,
• the control unit including:
• a generation unit configured to generate a first light emitting pattern recognizable to human eyes, the first light emitting pattern including a lighting-on state, a lighting-off state, or a lighting-on-and-off state of the light emitting element indicating an operating state of at least one of the machine tool and the peripheral device of the machine tool;
• a modulation unit configured to modulate the first information into a light communication signal based on lighting-on-and-off of the light emitting element, the light communication signal being unrecognizable to human eyes but recognizable to an electronic device;
• a superimposition unit configured to superimpose the light communication signal on the first light emitting pattern, to generate a second light emitting pattern including the light communication signal while maintaining the first light emitting pattern recognizable to human eyes;
• and
• a light emitting element control unit configured to control the light emitting element on a basis of the second light emitting pattern generated by the superimposition unit.