TAX EQUIPMENT, TAX PROCEDURE AND TAX PROGRAMME

摘要

A control unit, a control method and a control program are provided, which can automatically stop the projection of a projection image on a projection surface of a compression element at a suitable time.A CPU detects whether the compression of a breast by a compression plate in a mammography device is completed or not. In addition, in a case where the CPU detects that compression is complete, the CPU performs control to instruct a projector projecting a projection image onto a projection surface of the compression plate to stop the projection of the projection image onto the projection surface.