| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a battery device which can keep the system performance without shortening the life of a specified battery even if it is in such environment that shut-off or the like occurs frequently. <P>SOLUTION: This battery device is equipped with a group 5 of batteries consisting of a plurality of batteries, a plurality of battery switches which switch these batteries, and a battery controller 1 which controls the action of each battery switch. The battery controller 1 is equipped with a battery switching controller 2 which outputs a command of swithover to each battery switch described above, and a battery state recognizer 3 which is connected to a battery line and monitors the battery state of each battery and outputs a battery state signal 13 to the battery switching controller 2. Besides, hereby, even if battery abnormality occurs, battery replacement becomes possible without dropping the system performance. Moreover, it will do to install a battery operation time counter which clocks the operation time of each battery. <P>COPYRIGHT: (C)2004,JPO</p> |
