| 摘要 |
PURPOSE:To display exactly the completion of charging by connecting a charging completion display circuit to the juncture of the 1st and 2nd resistor members for connecting a main capacitor and starting capacitor and setting the resistance value ratio of both resistor members to a prescribed value or above. CONSTITUTION:The starting capacitor 119 of a flash emitting member 122 is connected via the series-connected resistor members 113 and 114 to the main capacitor 111 of the member 122 and the charging completion display circuit 116is connected to the juncture of the members 113, 114. The resistance value ratio of the member 113 with respect to the resistance value of the member 114 is set larger than the ratio of the residual voltage after emission of the member 122 for the backward charging voltage generated in the capacitor 119. The impression of the backward bias voltage to the circuit 116 by the backward charging of the capacitor 119 is thus prevented and the charging completion display is made sure. |
