| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a backup device capable of reducing the cost and size of electronic equipment provided with a backup function. <P>SOLUTION: The backup device provided with a processing means for performing data backup processing and allowed to be adopted for the electronic equipment 1 for a vehicle is provided with a judgment means for judging that variation in the power supply voltage of the equipment 1 is small when a prescribed condition is satisfied and a permission means for permitting backup processing when small variation in the power supply voltage of the equipment 1 is judged. <P>COPYRIGHT: (C)2004,JPO |
