STUDY MACHINE FOR INFANT OF SAFETY APPARATUS

摘要

PURPOSE: A study machine for infant of safety apparatus is provided to prevent a falling-off in confidence of a consumer by forbidding power on when a software cartridge(20) is not connected to the study machine and forbidding power off when the software cartridge(20) in connected to the study machine. CONSTITUTION: The safety apparatus comprises locking portion for locking a power switch when a cartridge(20) is not inserted to a bottom of a lower side case and for releasing the locked state of the power switch when the cartridge(20) is inserted to the bottom of the lower side case.