| 摘要 |
PURPOSE: A lamp turn-on display device is provided to allow a user to easily recognize the lamp turn-on state and turn off the lamp by permitting the switch unit to have a circuit for displaying a lamp turn-on state. CONSTITUTION: A lamp turn-on display device comprises a switch circuit(1), a display lamp circuit(3), a backup battery, a bridge rectifier circuit, and a lamp(8). When the lamp turn-on switch is turned on, the power lamp is turned on and the display lamp attached on the lamp turn-on switch is turned on so as to thereby permit a user to recognize the turn-on/off state of the lamp.
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