Abstract:
A radiation receiving sensor includes an infrared receiver including a plurality of infrared receiving devices that receive infrared radiation, a lens that allows infrared radiation to enter the infrared receiver, a rotator that rotates the infrared receiver and the lens about a part of the lens, and a cover member that faces the infrared receiver through the lens and that has translucency.
Abstract:
An information displaying method includes acquiring a battery identifier to identify a battery pack associated with a display device and a device identifier to identify a device to which the battery pack has been mounted, and causing a monitor of the display device to display information indicating that the battery pack corresponding to the acquired battery identifier has been mounted to the device corresponding to the acquired device identifier.