| 摘要 |
PCT No. PCT/SE83/00273 Sec. 371 Date Mar. 5, 1984 Sec. 102(e) Date Mar. 5, 1984 PCT Filed Mar. 5, 1983 PCT Pub. No. WO84/00463 PCT Pub. Date Feb. 2, 1984.Protection device for electrical incandescent lamps provided with elements which upon switching on electric voltage limit the current strength during a switching-on interval. The device further includes a control unit with a controllable current valve (10) and timing means (19, 20) for the control of the current through the lamp upon switching-on so that a delayed increase of current is obtained from zero to a chosen operating current over a predetermined time interval. |
