| 摘要 |
<p>PURPOSE:To surely reset an electric circuit in a simple constitution by using a reset signal generating means which sends continuously the reset signals to the electronic circuit when the terminal voltage of a secondary battery is reduced less than a set level. CONSTITUTION:A reset signal generating means produces no reset signal SR as long as a secondary battery 6 has the sufficient capacity and the terminal voltage is kept higher enough than a set level. Thus an electronic circuit continues its working. When the battery 6 is continuously discharged and the terminal voltage is reduced less than the set level, the signals SR are continuously sent to the electronic circuit from the reset signal generating means. Thus the electronic circuit is kept in its original state. If the charging of the battery 6 is started under such conditions, the terminal voltage of the battery 6 rises up again in a state where the resetting actions are continuously applied. Then the generation of the signals SR is stopped when the terminal voltage exceeds the set level. Thus a prescribed circuit action is restarted in an initial state where a resetting action is applied.</p> |
