| 摘要 |
PURPOSE:To obtain a power circuit improved in load characteristics of the power circuit having a power supply insufficient in the load characteristics. CONSTITUTION:An apparatus is provided with a first power supply 1 for supplying a load 3 with power, a voltage-detecting means 4 for detecting the voltage of the first power supply 1 and a second power supply 2 charged always by the first power supply 1 and for supplying the load 3 with power in place of the first power supply l when the voltage of the first power supply 1 is detected to be under a predetermined level by the voltage-detecting means 4. |
