| 摘要 |
PURPOSE:To enable one to change light sorts freely by providing two switches one of which is for selecting the incandescent lamp or fluorescent lamp as the main lamp and the other of which is for changing the selected main lamp to the all-night lamp. CONSTITUTION:Two incandescent lamps 2a, 2b two fluorescent lamps 3a, 3b as the main lamps and one all-night lamp, for example, are incorporated in the fixture proper 1. The snap handle 5A of the light-sorts changing switch 5 provided to the upper part of the fixture proper 1 can be operated to select the incandescent lamps 2a, 2b or fluorescent lamps 3a, 3b as the main lamps. Also the control srging 6A of the light-quantity changing switch 6 provided to the under side of the fixture proper 1 can be pulled down to change the two main lamps lighting to one lamp lighting, to the all-night lamp lighting and to lighting-out in sequence. |
