| 摘要 |
PURPOSE:To prevent the generation of heat for the power supply cord, etc. of an electronic range, by providing a means that inhibits the drive of a load control means of the other side when one of the mutually exclusive control signals is produced. CONSTITUTION:The 1st relay coil 17 turns on the 1st relay switch 7 of the 1st relay 8 in the energizing made; and the 2nd relay coil 18 turns on the 2nd relay switch 9 of the 2nd relay 10 in the energizing mode respectively. The 3rd transistor (TR)21 functions a means that inhibits the energizing of the coil 18 by causing a short circuit across the coil 18. Both the emitter and collector of the TR21 are connected across the coil 18, and the base of the TR21 is connected to the collector side of the 1st TR13 via a resistance 22. |
