| 摘要 |
PURPOSE:To provide higher safety for a vehicle when it is turned by providing a two-input adding operation circuit or a nondisjunction operation circuit between a tail light switch and a turn lamp switch in the side marker lamp of an automobile. CONSTITUTION:When a turn switch 4 is changed to the right to light up a tail light 2, a flashing current from a flasher 3 makes a capacitor C1 electrically charged and discharged after passing across a diode D2 and a resistance R1. If the flashing interval of the flasher is set to be shorter than the discharge period determined with R2 and C1, a transistor Tr1 is kept on and the base of Tr2 carries a flasher current via a turn switch 4 and a diode D4 but not a current from a tail light switch 1 as far as the flasher current flows. Even if turn lamps 6 and 7 flash with the tail light 2 lighted on continuously, a side marker lamp 8 is synchronized with the flashing of the lamps to flash repeatedly. |
