| 摘要 |
In the present invention, it is determined whether or not to let current flow to a miniature lamp of a plug through a switch attached to a device controlling a current flowing in a device. If the current flows, the miniature lamp is turned on such that a user can easily to select whether to user the plug and the miniature lamp is not turned on if the current does not flow. Today, with various electronics being used and electricity saving advertisements being increased, superabundant tangled plugs are a frequent sight. Also, indexes are often used to manage the plugs, and which does not look good and requires much effort to remove a corresponding plug. To solve the problems described above, a switch is attached to a relevant device and a current control device disposed in the device is used according to a state of the switch, whereby a flow of current is controlled to turn on the miniature lamp installed in a plug. According to the present invention, it is possible to distinguish a plug being used from the other plugs by turning on miniature lamps of the plugs. In other words, the indexes are not required and the look of the plugs can be maintained good. In addition, it is possible to easily remove a plug by turning on a lamp of the plug using a switch of a device to be removed. |
