| 摘要 |
A timer for setting a computer usage time, an early setting termination warning device, and a locking device are provided to allow a spare time to be used for studies, health, and humanity by limiting a computer usage time. A timer for setting a computer usage time includes a switch device, a device for generating a warning melody or winker, and a lock securing device. The switch device cancels or changes a timer set usage time. The device generates the warning melody or winker before approximately a few minutes until the time set using time is terminated. The lock securing device controls opening and closing functions of a box after the devices are attached to the box.
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