| 摘要 |
PURPOSE:To promote miniaturization, weight reduction and life prolongment of a flash warning lamp. CONSTITUTION:In a DC/DC convertor 100, an input voltage VIN is raised by a step-up transformer T1 and is stored in capacitors C100, C200 as the energy of flashes. Trigger voltages VBT1, VBT2 are applied alternately at predetermined intervals from a trigger control circuit 200 to the trigger electrodes of respective flash discharge tubes 3, 4. The flash discharge tubes 3, 4 thus receive the energy of flashes stored in the capacitors C100, C200 and emit light alternately at predetermined intervals. |
